move new files out from platform support patch

SVN-Revision: 19815

target/linux/ubicom32/files/arch/ubicom32/Kconfig

@@ -0,0 +1,403 @@
+#
+# For a description of the syntax of this configuration file,
+# see Documentation/kbuild/kconfig-language.txt.
+#
+
+mainmenu "uClinux/ubicom32 (w/o MMU) Kernel Configuration"
+
+config UBICOM32
+	bool
+	select HAVE_OPROFILE
+	default y
+
+config RAMKERNEL
+	bool
+	default y
+
+config CPU_BIG_ENDIAN
+	bool
+	default y
+
+config FORCE_MAX_ZONEORDER
+	int
+	default "14"
+
+config HAVE_CLK
+	bool
+	default y
+
+config MMU
+	bool
+	default n
+
+config FPU
+	bool
+	default n
+
+config ZONE_DMA
+	bool
+	default y
+
+config RWSEM_GENERIC_SPINLOCK
+	bool
+	default y
+
+config RWSEM_XCHGADD_ALGORITHM
+	bool
+	default n
+
+config ARCH_HAS_ILOG2_U32
+	bool
+	default n
+
+config ARCH_HAS_ILOG2_U64
+	bool
+	default n
+
+config GENERIC_FIND_NEXT_BIT
+	bool
+	default y
+
+config GENERIC_GPIO
+	bool
+	default y
+
+config GPIOLIB
+	bool
+	default y
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+
+config GENERIC_HARDIRQS
+	bool
+	default y
+
+config STACKTRACE_SUPPORT
+	bool
+	default y
+
+config LOCKDEP_SUPPORT
+	bool
+	default y
+
+config GENERIC_CALIBRATE_DELAY
+	bool
+	default y
+
+config GENERIC_TIME
+	bool
+	default y
+
+config TIME_LOW_RES
+	bool
+	default y
+
+config GENERIC_CLOCKEVENTS
+	bool
+	default y
+
+config GENERIC_CLOCKEVENTS_BROADCAST
+	bool
+	depends on GENERIC_CLOCKEVENTS
+	default y if SMP && !LOCAL_TIMERS
+
+config NO_IOPORT
+	def_bool y
+
+config ARCH_SUPPORTS_AOUT
+	def_bool y
+
+config IRQ_PER_CPU
+	bool
+	default y
+
+config SCHED_NO_NO_OMIT_FRAME_POINTER
+	bool
+	default y
+
+config UBICOM32_PLIO
+	bool
+	default n
+
+menu "Processor type and features"
+
+comment "Processor type will be selected by Board"
+
+config UBICOM32_V3
+	bool
+	help
+	  Ubicom IP5xxx series processor support.
+
+config UBICOM32_V4
+	bool
+	help
+	  Ubicom IP7xxx series processor support.
+
+comment "Board"
+choice
+	prompt "Board type"
+	help
+		Select your board.
+
+config NOBOARD
+	bool "No board selected"
+	help
+		Default. Don't select any board specific config. Will not build unless you change!
+
+# Add your boards here
+source "arch/ubicom32/mach-ip5k/Kconfig"
+source "arch/ubicom32/mach-ip7k/Kconfig"
+
+endchoice
+
+comment "Kernel Options"
+config SMP
+	bool "Symmetric multi-processing support"
+	select USE_GENERIC_SMP_HELPERS
+	default n
+	help
+	  Enables multithreading support.  Enabling SMP support increases
+	  the size of system data structures.  SMP support can have either
+	  positive or negative impact on performance depending on workloads.
+
+	  If you do not know what to do here, say N.
+config OLD_40400010_SYSTEM_CALL
+	bool "Provide old system call interface at 0x40400010"
+	default y
+	help
+	  Provides the old system call interface, does not affect the
+	  new system_call interface.
+
+config NR_CPUS
+	int "Number of configured CPUs"
+	range 2 32
+	default 2
+	depends on SMP
+	help
+		Upper bound on the number of CPUs. Space is reserved
+		at compile time for this many CPUs.
+
+config LOCAL_TIMERS
+	bool "Use local timer interrupts"
+	depends on SMP
+	default y
+	help
+	  Enable support for local timers on SMP platforms, rather then the
+	  legacy IPI broadcast method.  Local timers allows the system
+	  accounting to be spread across the timer interval, preventing a
+	  "thundering herd" at every timer tick.  A physical timer is allocated
+	  per cpu.
+
+config TIMER_EXTRA_ALLOC
+	int "Number of additional physical timer events to create"
+	depends on GENERIC_CLOCKEVENTS
+	default 0
+	help
+		The Ubicom32 processor has a number of event timers that can be wrapped
+		in Linux clock event structures (assuming that the timers are not being
+		used for another purpose).  Based on the value of LOCAL_TIMERS, either
+		2 timers will be used or a timer will be used for every CPU.  This value
+		allows the programmer to select additional timers over that amount.
+
+config IRQSTACKS
+	bool "Create separate stacks for interrupt handling"
+	default n
+	help
+		Selecting this causes interrupts to be created on a separate
+		stack instead of nesting the interrupts on the kernel stack.
+
+config IRQSTACKS_USEOCM
+	bool "Use OCM for interrupt stacks"
+	default n
+	depends on IRQSTACKS
+	help
+		Selecting this cause the interrupt stacks to be placed in OCM
+		reducing cache misses at the expense of using the OCM for servicing
+		interrupts.
+
+menu "OCM Instruction Heap"
+
+config OCM_MODULES_RESERVATION
+	int "OCM Instruction heap reservation. 0-192 kB"
+	range 0 192
+	default "0"
+	help
+	  The minimum amount of OCM memory to reserve for kernel loadable module
+	  code. If you are not using this memory it cannot be used for anything
+	  else. Leave it as 0 if you have prebuilt modules that are compiled with
+	  OCM support.
+
+config OCM_MODULES_MAY_CONSUME_REMAINING_CODESPACE
+	bool "Give all unused ocm code space to the ocm instruction heap."
+	default n
+	help
+	  Allow the OCM instruction heap allocation to consume any remaining
+	  unused OCM code space.  The result of this is that you will not have
+	  and deterministic results, but you will not have any waste either.
+
+config OCM_MODULES_FALLBACK_TO_DDR
+	bool "Loadable Modules requiring OCM may fallback to use DDR."
+	default n
+	help
+	  If a module cannot get the OCM code it requires allow DDR to
+	  be used instead.
+endmenu
+
+config HZ
+	int "Frequency of 'jiffies' (for polling)"
+	default 1000
+	help
+		100 is common for embedded systems, but 1000 allows
+		you to do more drivers without actually having
+		interrupts working properly.
+
+comment "RAM configuration"
+
+config MIN_RAMSIZE
+	hex "Minimum Size of RAM (in bytes)"
+	range 0x01000000 0x08000000
+	default "0x02000000"
+	help
+		Define the minimum acceptable size of the system
+		RAM. Must be at least 16MB (0x01000000)
+
+comment "Build options"
+config LINKER_RELAXATION
+	bool "Linker Relaxation"
+	default y
+	help
+	  Turns on linker relaxation that will produce smaller
+	  faster code. Increases link time.
+
+comment "Driver options"
+menu "PCI Bus"
+config PCI
+	bool "PCI bus"
+	default true
+	help
+	  Enable/Disable PCI bus
+	source "drivers/pci/Kconfig"
+
+
+config PCI_DEV0_IDSEL
+	hex "slot 0 address"
+	depends on PCI
+	default "0x01000000"
+	help
+	  Slot 0 address.  This address should correspond to the address line
+	  which the IDSEL bit for this slot is connected to.
+
+config PCI_DEV1_IDSEL
+	hex "slot 1 address"
+	depends on PCI
+	default "0x02000000"
+	help
+	  Slot 1 address.  This address should correspond to the address line
+	  which the IDSEL bit for this slot is connected to.
+endmenu
+# End PCI
+
+menu "Input devices"
+config UBICOM_INPUT
+	bool "Ubicom polled GPIO input driver"
+	select INPUT
+	select INPUT_POLLDEV
+	help
+		Polling input driver, much like the GPIO input driver, except that it doesn't
+		rely on interrupts.  It will report events via the input subsystem.
+	default n
+
+config UBICOM_INPUT_I2C
+	bool "Ubicom polled GPIO input driver over I2C"
+	select INPUT
+	select INPUT_POLLDEV
+	help
+		Polling input driver, much like the PCA953x driver, it can support a variety of
+		different I2C I/O expanders.  This device polls the I2C I/O expander for events
+		and reports them via the input subsystem.
+	default n
+endmenu
+# Input devices
+
+source "arch/ubicom32/mach-common/Kconfig.switch"
+
+menu "Misc devices"
+config UBICOM_HID
+	bool "Ubicom HID driver"
+	select INPUT
+	select INPUT_POLLDEV
+	select LCD_CLASS_DEVICE
+	help
+		Driver for HID chip found on some Ubicom reference designs.  This chip handles
+		PWM, button input, and IR remote control.  It registers as an input device and
+		a backlight device.
+	default n
+endmenu
+# Misc devices
+
+config CMDLINE_BOOL
+	bool "Built-in kernel command line"
+	default n
+	help
+	  Allow for specifying boot arguments to the kernel at
+	  build time.  On some systems (e.g. embedded ones), it is
+	  necessary or convenient to provide some or all of the
+	  kernel boot arguments with the kernel itself (that is,
+	  to not rely on the boot loader to provide them.)
+
+	  To compile command line arguments into the kernel,
+	  set this option to 'Y', then fill in the
+	  the boot arguments in CONFIG_CMDLINE.
+
+	  Systems with fully functional boot loaders (i.e. non-embedded)
+	  should leave this option set to 'N'.
+
+config CMDLINE
+	string "Built-in kernel command string"
+	depends on CMDLINE_BOOL
+	default ""
+	help
+	  Enter arguments here that should be compiled into the kernel
+	  image and used at boot time.  If the boot loader provides a
+	  command line at boot time, it is appended to this string to
+	  form the full kernel command line, when the system boots.
+
+	  However, you can use the CONFIG_CMDLINE_OVERRIDE option to
+	  change this behavior.
+
+	  In most cases, the command line (whether built-in or provided
+	  by the boot loader) should specify the device for the root
+	  file system.
+
+config CMDLINE_OVERRIDE
+	bool "Built-in command line overrides boot loader arguments"
+	default n
+	depends on CMDLINE_BOOL
+	help
+	  Set this option to 'Y' to have the kernel ignore the boot loader
+	  command line, and use ONLY the built-in command line.
+
+	  This is used to work around broken boot loaders.  This should
+	  be set to 'N' under normal conditions.
+
+endmenu
+# End Processor type and features
+
+source "arch/ubicom32/Kconfig.debug"
+
+menu "Executable file formats"
+source "fs/Kconfig.binfmt"
+endmenu
+
+source "init/Kconfig"
+source "kernel/Kconfig.preempt"
+source "kernel/time/Kconfig"
+source "mm/Kconfig"
+source "net/Kconfig"
+source "drivers/Kconfig"
+source "fs/Kconfig"
+source "security/Kconfig"
+source "crypto/Kconfig"
+source "lib/Kconfig"

target/linux/ubicom32/files/arch/ubicom32/Kconfig.debug

@@ -0,0 +1,129 @@
+menu "Kernel hacking"
+
+config TRACE_IRQFLAGS_SUPPORT
+	def_bool y
+
+config DEBUG_VERBOSE
+        bool "Verbose fault messages"
+        default y
+        select PRINTK
+        help
+          When a program crashes due to an exception, or the kernel detects
+          an internal error, the kernel can print a not so brief message
+          explaining what the problem was. This debugging information is
+          useful to developers and kernel hackers when tracking down problems,
+          but mostly meaningless to other people. This is always helpful for
+          debugging but serves no purpose on a production system.
+          Most people should say N here.
+
+config PROTECT_KERNEL
+	default y
+	bool 'Enable Kernel range register Protection'
+	help
+	  Adds code to enable/disable range registers to protect static
+	  kernel code/data from userspace.  Currently the ranges covered
+	  do no protect kernel loadable modules or dynamically allocated
+	  kernel data.
+
+config NO_KERNEL_MSG
+	bool "Suppress Kernel BUG Messages"
+	help
+	  Do not output any debug BUG messages within the kernel.
+
+config EARLY_PRINTK
+	bool "Use the driver that you selected as console also for early printk (to debug kernel bootup)."
+	default n
+	help
+	  If you want to use the serdes driver (console=ttyUS0) for
+	  early printk, you must also supply an additional kernel boot
+	  parameter like this:
+
+		serdes=ioportaddr,irq,clockrate,baud
+
+	  For an IP7160RGW eval board, you could use this:
+
+		serdes=0x2004000,61,250000000,57600
+
+	  which will let you see early printk output at 57600 baud.
+
+config STOP_ON_TRAP
+	bool "Enable stopping at the LDSR for all traps"
+	default n
+	help
+	Cause the LDSR to stop all threads whenever a trap is about to be serviced
+
+config STOP_ON_BUG
+	bool "Enable stopping on failed BUG_ON()"
+	default n
+	help
+	Cause all BUG_ON failures to stop all threads
+
+config DEBUG_IRQMEASURE
+	bool "Enable IRQ handler measurements"
+	default n
+	help
+	When enabled each IRQ's min/avg/max times will be printed.  If the handler
+	re-enables interrupt, the times will show the full time including to service
+	nested interrupts.  See /proc/irq_measurements.
+
+config DEBUG_PCIMEASURE
+	bool "Enable PCI transaction measurements"
+	default n
+	help
+	When enabled the system will measure the min/avg/max timer for each PCI transactions.
+	See /proc/pci_measurements.
+
+config ACCESS_OK_CHECKS_ENABLED
+	bool "Enable user space access checks"
+	default n
+	help
+	Enabling this check causes the kernel to verify that addresses passed
+	to the kernel by the user space code are within the processes
+	address space.  On a no-mmu system, this is done by examining the
+	processes memory data structures (adversly affecting performance) but
+	ensuring that a process does not ask the kernel to violate another
+	processes address space.  Sadly, the kernel uses access_ok() for
+	address that are in the kernel which results in a large volume of
+	false positives.
+
+choice
+	prompt "Unaligned Access Support"
+	default UNALIGNED_ACCESS_ENABLED
+	help
+		Kernel / Userspace unaligned access handling.
+
+config  UNALIGNED_ACCESS_ENABLED
+	bool "Kernel and Userspace"
+	help
+
+config  UNALIGNED_ACCESS_USERSPACE_ONLY
+	bool "Userspace Only"
+	help
+
+config  UNALIGNED_ACCESS_DISABLED
+	bool "Disabled"
+	help
+
+endchoice
+
+config DEBUG_STACKOVERFLOW
+	bool "Check for stack overflows"
+	default n
+	depends on DEBUG_KERNEL
+	help
+	  This option will cause messages to be printed if free kernel stack space
+	  drops below a certain limit (THREAD_SIZE /8).
+
+config DEBUG_STACK_USAGE
+	bool "Stack utilization instrumentation"
+	default n
+	depends on DEBUG_KERNEL
+	help
+	  Enables the display of the minimum amount of free kernel stack which each
+	  task has ever had available in the sysrq-T and sysrq-P debug output.
+
+	  This option will slow down process creation somewhat.
+
+source "lib/Kconfig.debug"
+
+endmenu

target/linux/ubicom32/files/arch/ubicom32/Makefile

@@ -0,0 +1,104 @@
+#
+# arch/ubicom32/Makefile
+#	<TODO: Replace with short file description>
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+KBUILD_DEFCONFIG :=
+
+# setup the machine name and machine dependent settings
+machine-$(CONFIG_UBICOM32_V3)	:= ip5k
+machine-$(CONFIG_UBICOM32_V4)	:= ip7k
+MACHINE := $(machine-y)
+export MACHINE
+
+model-$(CONFIG_RAMKERNEL)	:= ram
+model-$(CONFIG_ROMKERNEL)	:= rom
+MODEL := $(model-y)
+export MODEL
+
+CPUCLASS := $(cpuclass-y)
+
+export CPUCLASS
+
+#
+# We want the core kernel built using the fastcall ABI but modules need
+# to be built using the slower calling convention because they could be
+# loaded out of range for fast calls.
+#
+CFLAGS_KERNEL    += -mfastcall
+CFLAGS_MODULE    += -mno-fastcall
+
+#
+# Some CFLAG additions based on specific CPU type.
+#
+cflags-$(CONFIG_UBICOM32_V3)		:= -march=ubicom32v3 -DIP5000
+cflags-$(CONFIG_UBICOM32_V4)		:= -march=ubicom32v4 -DIP7000
+
+ldflags-$(CONFIG_LINKER_RELAXATION)	:= --relax
+LDFLAGS_vmlinux := $(ldflags-y)
+
+GCCLIBDIR := $(dir $(shell $(CC) $(cflags-y) -print-libgcc-file-name))
+GCC_LIBS := $(GCCLIBDIR)/libgcc.a
+
+KBUILD_CFLAGS += $(cflags-y) -ffunction-sections
+KBUILD_AFLAGS += $(cflags-y)
+
+KBUILD_CFLAGS += -D__linux__ -Dlinux
+KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
+
+# include any machine specific directory
+ifneq ($(machine-y),)
+core-y += arch/$(ARCH)/mach-$(MACHINE)/
+endif
+
+head-y := arch/$(ARCH)/kernel/head.o
+
+core-y	+= arch/$(ARCH)/kernel/ \
+	   arch/$(ARCH)/mm/ \
+	   arch/$(ARCH)/crypto/ \
+	   arch/$(ARCH)/mach-common/
+
+drivers-$(CONFIG_OPROFILE)	+= arch/ubicom32/oprofile/
+
+libs-y	+= arch/$(ARCH)/lib/
+libs-y	+= $(GCC_LIBS)
+
+archclean:
+
+# make sure developer has selected a valid board
+ifeq ($(CONFIG_NOBOARD),y)
+# $(error have to select a valid board file $(CONFIG_NOBOARD), please run kernel config again)
+_all: config_board_error
+endif
+
+config_board_error:
+	@echo "*************************************************"
+	@echo "You have not selected a proper board."
+	@echo "Please run menuconfig (or config) against your"
+	@echo "kernel and choose your board under Processor"
+	@echo "options"
+	@echo "*************************************************"
+	@exit 1

target/linux/ubicom32/files/arch/ubicom32/crypto/Makefile

@@ -0,0 +1,36 @@
+#
+# arch/ubicom32/crypto/Makefile
+#	<TODO: Replace with short file description>
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+obj-$(CONFIG_CRYPTO_UBICOM32) += crypto_ubicom32.o
+obj-$(CONFIG_CRYPTO_AES_UBICOM32) += aes_ubicom32.o
+obj-$(CONFIG_CRYPTO_DES_UBICOM32) += des.o
+obj-$(CONFIG_CRYPTO_MD5_UBICOM32) += md5.o
+obj-$(CONFIG_CRYPTO_SHA1_UBICOM32) += sha1.o
+
+des-y := des_ubicom32.o des_check_key.o
+md5-y := md5_ubicom32.o md5_ubicom32_asm.o
+sha1-y := sha1_ubicom32.o

target/linux/ubicom32/files/arch/ubicom32/crypto/aes_ubicom32.c

@@ -0,0 +1,458 @@
+/*
+ * arch/ubicom32/crypto/aes_ubicom32.c
+ *   Ubicom32 implementation of the AES Cipher Algorithm.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <crypto/aes.h>
+#include <crypto/algapi.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include "crypto_ubicom32.h"
+#include <asm/linkage.h>
+
+struct ubicom32_aes_ctx {
+	u8 key[AES_MAX_KEY_SIZE];
+	u32 ctrl;
+	int key_len;
+};
+
+static inline void aes_hw_set_key(const u8 *key, u8 key_len)
+{
+	/*
+	 * switch case has more overhead than 4 move.4 instructions, so just copy 256 bits
+	 */
+	SEC_SET_KEY_256(key);
+}
+
+static inline void aes_hw_set_iv(const u8 *iv)
+{
+	SEC_SET_IV_4W(iv);
+}
+
+static inline void aes_hw_cipher(u8 *out, const u8 *in)
+{
+	SEC_SET_INPUT_4W(in);
+
+	asm volatile (
+	"	; start AES by writing 0x40(SECURITY_BASE)	\n\t"
+	"	move.4 0x40(%0), #0x01				\n\t"
+	"	pipe_flush 0                                    \n\t"
+	"							\n\t"
+	"	; wait for the module to calculate the output	\n\t"
+	"	btst 0x04(%0), #0				\n\t"
+	"	jmpne.f .-4					\n\t"
+		:
+		: "a" (SEC_BASE)
+		: "cc"
+	);
+
+	SEC_GET_OUTPUT_4W(out);
+}
+
+static int __ocm_text aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+		       unsigned int key_len)
+{
+	struct ubicom32_aes_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	uctx->key_len = key_len;
+	memcpy(uctx->key, in_key, key_len);
+
+	/*
+	 * leave out HASH_ALG (none = 0), CBC (no = 0), DIR (unknown) yet
+	 */
+	switch (uctx->key_len) {
+	case 16:
+		uctx->ctrl = SEC_KEY_128_BITS | SEC_ALG_AES;
+		break;
+	case 24:
+		uctx->ctrl = SEC_KEY_192_BITS | SEC_ALG_AES;
+		break;
+	case 32:
+		uctx->ctrl = SEC_KEY_256_BITS | SEC_ALG_AES;
+		break;
+	}
+
+	return 0;
+}
+
+static inline void aes_cipher(struct crypto_tfm *tfm, u8 *out, const u8 *in, u32 extra_flags)
+{
+	const struct ubicom32_aes_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+	hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+
+	aes_hw_set_key(uctx->key, uctx->key_len);
+	aes_hw_cipher(out, in);
+
+	hw_crypto_unlock();
+}
+
+static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	aes_cipher(tfm, out, in, SEC_DIR_ENCRYPT);
+}
+
+static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	aes_cipher(tfm, out, in, SEC_DIR_DECRYPT);
+}
+
+static struct crypto_alg aes_alg = {
+	.cra_name		=	"aes",
+	.cra_driver_name	=	"aes-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_aes_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(aes_alg.cra_list),
+	.cra_u			=	{
+		.cipher = {
+			.cia_min_keysize	=	AES_MIN_KEY_SIZE,
+			.cia_max_keysize	=	AES_MAX_KEY_SIZE,
+			.cia_setkey		=	aes_set_key,
+			.cia_encrypt		=	aes_encrypt,
+			.cia_decrypt		=	aes_decrypt,
+		}
+	}
+};
+
+static void __ocm_text ecb_aes_crypt_loop(u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		aes_hw_cipher(out, in);
+		out += AES_BLOCK_SIZE;
+		in += AES_BLOCK_SIZE;
+		n -= AES_BLOCK_SIZE;
+	}
+}
+
+static int __ocm_text ecb_aes_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+			 struct scatterlist *src, unsigned int nbytes, u32 extra_flags)
+{
+	const struct ubicom32_aes_ctx *uctx = crypto_blkcipher_ctx(desc->tfm);
+	int ret;
+
+	struct blkcipher_walk walk;
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	ret = blkcipher_walk_virt(desc, &walk);
+        if (ret) {
+                return ret;
+        }
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+        hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+        aes_hw_set_key(uctx->key, uctx->key_len);
+
+	while (likely((nbytes = walk.nbytes))) {
+		/* only use complete blocks */
+		unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
+		u8 *out = walk.dst.virt.addr;
+		u8 *in = walk.src.virt.addr;
+
+		/* finish n/16 blocks */
+		ecb_aes_crypt_loop(out, in, n);
+
+		nbytes &= AES_BLOCK_SIZE - 1;
+		ret = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+
+	hw_crypto_unlock();
+	return ret;
+}
+
+static int ecb_aes_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return ecb_aes_crypt(desc, dst, src, nbytes, SEC_DIR_ENCRYPT);
+}
+
+static int ecb_aes_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return ecb_aes_crypt(desc, dst, src, nbytes, SEC_DIR_DECRYPT);
+}
+
+static struct crypto_alg ecb_aes_alg = {
+	.cra_name		=	"ecb(aes)",
+	.cra_driver_name	=	"ecb-aes-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_aes_ctx),
+	.cra_alignmask          =       CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(ecb_aes_alg.cra_list),
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	AES_MIN_KEY_SIZE,
+			.max_keysize		=	AES_MAX_KEY_SIZE,
+			.setkey			=	aes_set_key,
+			.encrypt		=	ecb_aes_encrypt,
+			.decrypt		=	ecb_aes_decrypt,
+		}
+	}
+};
+
+#if CRYPTO_UBICOM32_LOOP_ASM
+void __ocm_text cbc_aes_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	asm volatile (
+	"; set init. iv 4w			\n\t"
+	"	move.4 0x50(%0), 0x0(%3)	\n\t"
+	"	move.4 0x54(%0), 0x4(%3)	\n\t"
+	"	move.4 0x58(%0), 0x8(%3)	\n\t"
+	"	move.4 0x5c(%0), 0xc(%3)	\n\t"
+	"					\n\t"
+	"; we know n > 0, so we can always	\n\t"
+	"; load the first block			\n\t"
+	"; set input 4w				\n\t"
+	"	move.4 0x30(%0), 0x0(%2)	\n\t"
+	"	move.4 0x34(%0), 0x4(%2)	\n\t"
+	"	move.4 0x38(%0), 0x8(%2)	\n\t"
+	"	move.4 0x3c(%0), 0xc(%2)	\n\t"
+	"					\n\t"
+	"; kickoff hw				\n\t"
+	"	move.4 0x40(%0), %2		\n\t"
+	"					\n\t"
+	"; update n & flush			\n\t"
+	"	add.4 %4, #-16, %4		\n\t"
+	"	pipe_flush 0			\n\t"
+	"					\n\t"
+	"; while (n):  work on 2nd block	\n\t"
+	" 1:	lsl.4 d15, %4, #0x0		\n\t"
+	"	jmpeq.f 5f			\n\t"
+	"					\n\t"
+	"; set input 4w	(2nd)			\n\t"
+	"	move.4 0x30(%0), 0x10(%2)	\n\t"
+	"	move.4 0x34(%0), 0x14(%2)	\n\t"
+	"	move.4 0x38(%0), 0x18(%2)	\n\t"
+	"	move.4 0x3c(%0), 0x1c(%2)	\n\t"
+	"					\n\t"
+	"; update n/in asap while waiting	\n\t"
+	"	add.4 %4, #-16, %4		\n\t"
+	"	move.4 d15, 16(%2)++		\n\t"
+	"					\n\t"
+	"; wait for the previous output		\n\t"
+	"	btst 0x04(%0), #0		\n\t"
+	"	jmpne.f -4			\n\t"
+	"					\n\t"
+	"; read previous output			\n\t"
+	"	move.4 0x0(%1), 0x50(%0)	\n\t"
+	"	move.4 0x4(%1), 0x54(%0)	\n\t"
+	"	move.4 0x8(%1), 0x58(%0)	\n\t"
+	"	move.4 0xc(%1), 0x5c(%0)	\n\t"
+	"					\n\t"
+	"; kick off hw for 2nd input		\n\t"
+	"	move.4 0x40(%0), %2		\n\t"
+	"					\n\t"
+	"; update out asap			\n\t"
+	"	move.4 d15, 16(%1)++		\n\t"
+	"					\n\t"
+	"; go back to loop			\n\t"
+	"	jmpt 1b				\n\t"
+	"					\n\t"
+	"; wait for last output			\n\t"
+	" 5:	btst 0x04(%0), #0               \n\t"
+        "       jmpne.f -4                      \n\t"
+        "                                       \n\t"
+	"; read last output			\n\t"
+	"	move.4 0x0(%1), 0x50(%0)	\n\t"
+	"	move.4 0x4(%1), 0x54(%0)	\n\t"
+	"	move.4 0x8(%1), 0x58(%0)	\n\t"
+	"	move.4 0xc(%1), 0x5c(%0)	\n\t"
+        "                                       \n\t"
+	"; copy out iv				\n\t"
+	"	move.4 0x0(%3), 0x50(%0)	\n\t"
+	"	move.4 0x4(%3), 0x54(%0)	\n\t"
+	"	move.4 0x8(%3), 0x58(%0)	\n\t"
+	"	move.4 0xc(%3), 0x5c(%0)	\n\t"
+        "                                       \n\t"
+		:
+		: "a" (SEC_BASE), "a" (out), "a" (in), "a" (iv), "d" (n)
+		: "d15", "cc"
+	);
+}
+
+#else
+
+static void __ocm_text cbc_aes_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	aes_hw_set_iv(iv);
+	while (likely(n)) {
+		aes_hw_cipher(out, in);
+		out += AES_BLOCK_SIZE;
+		in += AES_BLOCK_SIZE;
+		n -= AES_BLOCK_SIZE;
+	}
+	SEC_COPY_4W(iv, out - AES_BLOCK_SIZE);
+}
+
+#endif
+
+static void __ocm_text cbc_aes_decrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+        while (likely(n)) {
+                aes_hw_set_iv(iv);
+		SEC_COPY_4W(iv, in);
+                aes_hw_cipher(out, in);
+                out += AES_BLOCK_SIZE;
+                in += AES_BLOCK_SIZE;
+                n -= AES_BLOCK_SIZE;
+        }
+}
+
+static int __ocm_text cbc_aes_crypt(struct blkcipher_desc *desc,
+                           struct scatterlist *dst, struct scatterlist *src,
+                           unsigned int nbytes, u32 extra_flags)
+{
+	struct ubicom32_aes_ctx *uctx = crypto_blkcipher_ctx(desc->tfm);
+	int ret;
+
+        struct blkcipher_walk walk;
+        blkcipher_walk_init(&walk, dst, src, nbytes);
+	ret = blkcipher_walk_virt(desc, &walk);
+	if (unlikely(ret)) {
+		return ret;
+	}
+
+        hw_crypto_lock();
+	hw_crypto_check();
+
+        hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+        aes_hw_set_key(uctx->key, uctx->key_len);
+
+	while (likely((nbytes = walk.nbytes))) {
+                /* only use complete blocks */
+                unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
+		if (likely(n)) {
+	                u8 *out = walk.dst.virt.addr;
+		        u8 *in = walk.src.virt.addr;
+
+			if (extra_flags & SEC_DIR_ENCRYPT) {
+				cbc_aes_encrypt_loop(out, in, walk.iv, n);
+			} else {
+				cbc_aes_decrypt_loop(out, in, walk.iv, n);
+			}
+		}
+
+		nbytes &= AES_BLOCK_SIZE - 1;
+                ret = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+	hw_crypto_unlock();
+
+	return ret;
+}
+
+static int __ocm_text cbc_aes_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return cbc_aes_crypt(desc, dst, src, nbytes, SEC_DIR_ENCRYPT | SEC_CBC_SET);
+}
+
+static int __ocm_text cbc_aes_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return cbc_aes_crypt(desc, dst, src, nbytes, SEC_DIR_DECRYPT | SEC_CBC_SET);
+}
+
+static struct crypto_alg cbc_aes_alg = {
+	.cra_name		=	"cbc(aes)",
+	.cra_driver_name	=	"cbc-aes-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_aes_ctx),
+	.cra_alignmask          =       CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(cbc_aes_alg.cra_list),
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	AES_MIN_KEY_SIZE,
+			.max_keysize		=	AES_MAX_KEY_SIZE,
+			.ivsize			=	AES_BLOCK_SIZE,
+			.setkey			=	aes_set_key,
+			.encrypt		=	cbc_aes_encrypt,
+			.decrypt		=	cbc_aes_decrypt,
+		}
+	}
+};
+
+static int __init aes_init(void)
+{
+	int ret;
+
+	hw_crypto_init();
+
+	ret = crypto_register_alg(&aes_alg);
+	if (ret)
+		goto aes_err;
+
+	ret = crypto_register_alg(&ecb_aes_alg);
+	if (ret)
+		goto ecb_aes_err;
+
+	ret = crypto_register_alg(&cbc_aes_alg);
+	if (ret)
+		goto cbc_aes_err;
+
+out:
+	return ret;
+
+cbc_aes_err:
+	crypto_unregister_alg(&ecb_aes_alg);
+ecb_aes_err:
+	crypto_unregister_alg(&aes_alg);
+aes_err:
+	goto out;
+}
+
+static void __exit aes_fini(void)
+{
+	crypto_unregister_alg(&cbc_aes_alg);
+	crypto_unregister_alg(&ecb_aes_alg);
+	crypto_unregister_alg(&aes_alg);
+}
+
+module_init(aes_init);
+module_exit(aes_fini);
+
+MODULE_ALIAS("aes");
+
+MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
+MODULE_LICENSE("GPL");

target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_des.h

@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/crypto/crypto_des.h
+ *   Function for checking keys for the DES and Triple DES Encryption
+ *   algorithms.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef __CRYPTO_DES_H__
+#define __CRYPTO_DES_H__
+
+extern int crypto_des_check_key(const u8*, unsigned int, u32*);
+
+#endif /* __CRYPTO_DES_H__ */

target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.c

@@ -0,0 +1,50 @@
+/*
+ * arch/ubicom32/crypto/crypto_ubicom32.c
+ *   Generic code to support ubicom32 hardware crypto accelerator
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include "crypto_ubicom32.h"
+
+spinlock_t crypto_ubicom32_lock;
+bool crypto_ubicom32_inited = false;
+volatile bool crypto_ubicom32_on = false;
+volatile unsigned long crypto_ubicom32_last_use;
+
+struct timer_list crypto_ubicom32_ps_timer;
+void crypto_ubicom32_ps_check(unsigned long data)
+{
+	unsigned long idle_time = msecs_to_jiffies(HW_CRYPTO_PS_MAX_IDLE_MS);
+
+	BUG_ON(!crypto_ubicom32_on);
+
+	if (((jiffies - crypto_ubicom32_last_use) > idle_time) && spin_trylock_bh(&crypto_ubicom32_lock)) {
+                hw_crypto_turn_off();
+                spin_unlock_bh(&crypto_ubicom32_lock);
+		return;
+	}
+
+	/* keep monitoring */
+	hw_crypto_ps_start();
+}

target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.h

@@ -0,0 +1,346 @@
+/*
+ * arch/ubicom32/crypto/crypto_ubicom32.h
+ *   Support for Ubicom32 cryptographic instructions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _CRYPTO_ARCH_UBICOM32_CRYPT_H
+#define _CRYPTO_ARCH_UBICOM32_CRYPT_H
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
+#include <linux/spinlock.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/ip5000.h>
+
+#define CRYPTO_UBICOM32_LOOP_ASM 1
+#define CRYPTO_UBICOM32_ALIGNMENT 4
+#define SEC_ALIGNED(p) (((u32)p & 3) == 0)
+
+#define SEC_BASE		SECURITY_BASE
+#define SEC_KEY_OFFSET		SECURITY_KEY_VALUE(0)
+#define SEC_INPUT_OFFSET	SECURITY_KEY_IN(0)
+#define SEC_OUTPUT_OFFSET	SECURITY_KEY_OUT(0)
+#define SEC_HASH_OFFSET		SECURITY_KEY_HASH(0)
+
+#define SEC_KEY_128_BITS	SECURITY_CTRL_KEY_SIZE(0)
+#define SEC_KEY_192_BITS	SECURITY_CTRL_KEY_SIZE(1)
+#define SEC_KEY_256_BITS	SECURITY_CTRL_KEY_SIZE(2)
+
+#define SEC_HASH_NONE		SECURITY_CTRL_HASH_ALG_NONE
+#define SEC_HASH_MD5		SECURITY_CTRL_HASH_ALG_MD5
+#define SEC_HASH_SHA1		SECURITY_CTRL_HASH_ALG_SHA1
+
+#define SEC_CBC_SET		SECURITY_CTRL_CBC
+#define SEC_CBC_NONE		0
+
+#define SEC_ALG_AES		SECURITY_CTRL_CIPHER_ALG_AES
+#define SEC_ALG_NONE		SECURITY_CTRL_CIPHER_ALG_NONE
+#define SEC_ALG_DES		SECURITY_CTRL_CIPHER_ALG_DES
+#define SEC_ALG_3DES		SECURITY_CTRL_CIPHER_ALG_3DES
+
+#define SEC_DIR_ENCRYPT		SECURITY_CTRL_ENCIPHER
+#define SEC_DIR_DECRYPT		0
+
+#define CRYPTO_UBICOM32_PRIORITY 300
+#define CRYPTO_UBICOM32_COMPOSITE_PRIORITY 400
+
+#define HW_CRYPTO_PS_MAX_IDLE_MS 100    /* idle time (ms) before shuting down sm */
+
+extern spinlock_t crypto_ubicom32_lock;
+extern bool crypto_ubicom32_inited;
+extern volatile bool crypto_ubicom32_on;
+extern volatile unsigned long crypto_ubicom32_last_use;
+extern struct timer_list crypto_ubicom32_ps_timer;
+extern void crypto_ubicom32_ps_check(unsigned long data);
+
+#define SEC_COPY_2W(t, s)				\
+	asm volatile (					\
+	"	move.4 0(%0), 0(%1)		\n\t"	\
+	"	move.4 4(%0), 4(%1)		\n\t"	\
+							\
+		:					\
+		: "a" (t), "a" (s)			\
+	)
+
+#define SEC_COPY_4W(t, s)				\
+	asm volatile (					\
+	"	move.4 0(%0), 0(%1)		\n\t"	\
+	"	move.4 4(%0), 4(%1)		\n\t"	\
+	"	move.4 8(%0), 8(%1)		\n\t"	\
+	"	move.4 12(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a" (t), "a" (s)			\
+	)
+
+#define SEC_COPY_5W(t, s)				\
+	asm volatile (					\
+	"	move.4 0(%0), 0(%1)		\n\t"	\
+	"	move.4 4(%0), 4(%1)		\n\t"	\
+	"	move.4 8(%0), 8(%1)		\n\t"	\
+	"	move.4 12(%0), 12(%1)		\n\t"	\
+	"	move.4 16(%0), 16(%1)		\n\t"	\
+		:					\
+		: "a" (t), "a" (s)			\
+	)
+
+#define SEC_SET_KEY_2W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_KEY_4W(x) \
+	asm volatile ( \
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+	"	move.4 0x18(%0), 8(%1)		\n\t"	\
+	"	move.4 0x1c(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a"(SECURITY_BASE), "a"(x)		\
+	)
+
+#define SEC_SET_KEY_6W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+	"	move.4 0x18(%0), 8(%1)		\n\t"	\
+	"	move.4 0x1c(%0), 12(%1)		\n\t"	\
+	"	move.4 0x20(%0), 16(%1)		\n\t"	\
+	"	move.4 0x24(%0), 20(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_KEY_8W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+	"	move.4 0x18(%0), 8(%1)		\n\t"	\
+	"	move.4 0x1c(%0), 12(%1)		\n\t"	\
+	"	move.4 0x20(%0), 16(%1)		\n\t"	\
+	"	move.4 0x24(%0), 20(%1)		\n\t"	\
+	"	move.4 0x28(%0), 24(%1)		\n\t"	\
+	"	move.4 0x2c(%0), 28(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_KEY_64(k)	SEC_SET_KEY_2W(k)
+#define SEC_SET_KEY_128(k)	SEC_SET_KEY_4W(k)
+#define SEC_SET_KEY_192(k)	SEC_SET_KEY_6W(k)
+#define SEC_SET_KEY_256(k)	SEC_SET_KEY_8W(k)
+
+#define DES_SET_KEY(x) 		SEC_SET_KEY_64(x)
+#define DES3_SET_KEY(x) 	SEC_SET_KEY_192(x)
+
+#define SEC_SET_INPUT_2W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x30(%0), 0(%1)		\n\t"	\
+	"	move.4 0x34(%0), 4(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_GET_OUTPUT_2W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0(%1), 0x50(%0)		\n\t"	\
+	"	move.4 4(%1), 0x54(%0)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_INPUT_4W(x) \
+	asm volatile ( \
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x30(%0), 0(%1)		\n\t"	\
+	"	move.4 0x34(%0), 4(%1)		\n\t"	\
+	"	move.4 0x38(%0), 8(%1)		\n\t"	\
+	"	move.4 0x3c(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_GET_OUTPUT_4W(x)				\
+	asm volatile (					\
+	"	; read output from Security Keyblock \n\t" \
+	"	move.4 0(%1), 0x50(%0)		\n\t"	\
+	"	move.4 4(%1), 0x54(%0)		\n\t"	\
+	"	move.4 8(%1), 0x58(%0)		\n\t"	\
+	"	move.4 12(%1), 0x5c(%0)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_IV_4W(x)				\
+	asm volatile (					\
+	"	; write IV to Security Keyblock  \n\t"	\
+	"	move.4 0x50(%0), 0(%1)		\n\t"	\
+	"	move.4 0x54(%0), 4(%1)		\n\t"	\
+	"	move.4 0x58(%0), 8(%1)		\n\t"	\
+	"	move.4 0x5c(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_PIPE_FLUSH() asm volatile ( " pipe_flush 0 \n\t" )
+
+static inline void hw_crypto_set_ctrl(uint32_t c)
+{
+	asm volatile (
+	"	move.4	0(%0), %1		\n\t"
+		:
+		: "a" (SECURITY_BASE + SECURITY_CTRL), "d" (c)
+	);
+}
+
+static inline void hw_crypto_ps_start(void)
+{
+	crypto_ubicom32_ps_timer.expires = jiffies + msecs_to_jiffies(HW_CRYPTO_PS_MAX_IDLE_MS >> 1);
+	add_timer(&crypto_ubicom32_ps_timer);
+}
+
+static inline void hw_crypto_turn_on(void)
+{
+	asm volatile (
+	"	moveai  A4, %0			\n\t"
+	"	bset    0x0(A4), 0x0(A4), %1	\n\t"
+	"	cycles 11			\n\t"
+		:
+		: "i" (OCP_BASE >> 7), "i" (GEN_CLK_PLL_SECURITY_BIT_NO)
+		: "a4", "cc"
+	);
+	crypto_ubicom32_on = true;
+}
+
+static inline void hw_crypto_turn_off(void)
+{
+	asm volatile (
+	"	moveai  A4, %0			\n\t"
+	"	bclr    0x0(A4), 0x0(A4), %1	\n\t"
+		:
+		: "i" (OCP_BASE >> 7), "i" (GEN_CLK_PLL_SECURITY_BIT_NO)
+		: "a4", "cc"
+	);
+	crypto_ubicom32_on = false;
+}
+
+/*
+ * hw_crypto_check
+ * 	Most probably hw crypto is called in clusters and it makes no sense to turn it off
+ * 	and on and waster 13 cycles every time.
+ */
+static inline void hw_crypto_check(void)
+{
+	if (likely(crypto_ubicom32_on)) {
+		return;
+	}
+	crypto_ubicom32_last_use = jiffies;
+	hw_crypto_turn_on();
+	hw_crypto_ps_start();
+}
+
+/*
+ * hw_crypto_ps_init
+ * 	Init power save timer
+ */
+static inline void hw_crypto_ps_init(void)
+{
+	init_timer_deferrable(&crypto_ubicom32_ps_timer);
+	crypto_ubicom32_ps_timer.function = crypto_ubicom32_ps_check;
+	crypto_ubicom32_ps_timer.data = 0;
+}
+
+/*
+ * hw_crypto_init()
+ *      Initialize OCP security module lock and disables its clock.
+ */
+static inline void hw_crypto_init(void)
+{
+	if (!crypto_ubicom32_inited) {
+		crypto_ubicom32_inited = true;
+		spin_lock_init(&crypto_ubicom32_lock);
+		hw_crypto_ps_init();
+		hw_crypto_turn_off();
+	}
+}
+
+/*
+ * hw_crypto_lock()
+ *      Locks the OCP security module and enables its clock.
+ */
+static inline void hw_crypto_lock(void)
+{
+	spin_lock_bh(&crypto_ubicom32_lock);
+}
+
+/*
+ * hw_crypto_unlock()
+ *      Unlocks the OCP security module and disables its clock.
+ */
+static inline void hw_crypto_unlock(void)
+{
+	crypto_ubicom32_last_use = jiffies;
+	spin_unlock_bh(&crypto_ubicom32_lock);
+}
+
+#define CONFIG_CRYPTO_UBICOM32_DEBUG 1
+
+#ifdef CONFIG_CRYPTO_UBICOM32_DEBUG
+static inline void hex_dump(void *buf, int b_size, const char *msg)
+{
+	u8 *b = (u8 *)buf;
+	int i;
+	if (msg) {
+		printk("%s:\t", msg);
+	}
+
+	for (i=0; i < b_size; i++) {
+		printk("%02x ", b[i]);
+		if ((i & 3) == 3) {
+			printk(" ");
+		}
+		if ((i & 31) == 31) {
+			printk("\n");
+		}
+	}
+	printk("\n");
+}
+#define UBICOM32_SEC_DUMP(a, b, c) hex_dump(a, b, c)
+#else
+#define UBICOM32_SEC_DUMP(a, b, c)
+#endif
+
+#endif	/* _CRYPTO_ARCH_UBICOM32_CRYPT_H */

target/linux/ubicom32/files/arch/ubicom32/crypto/des_check_key.c

@@ -0,0 +1,148 @@
+/*
+ * arch/ubicom32/crypto/des_check_key.c
+ *   Ubicom32 architecture function for checking keys for the DES and
+ *   Tripple DES Encryption algorithms.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * Originally released as descore by Dana L. How <[email protected]>.
+ * Modified by Raimar Falke <[email protected]> for the Linux-Kernel.
+ * Derived from Cryptoapi and Nettle implementations, adapted for in-place
+ * scatterlist interface.  Changed LGPL to GPL per section 3 of the LGPL.
+ *
+ * s390 Version:
+ *   Copyright IBM Corp. 2003
+ *   Author(s): Thomas Spatzier
+ *		Jan Glauber ([email protected])
+ *
+ * Derived from "crypto/des.c"
+ *   Copyright (c) 1992 Dana L. How.
+ *   Copyright (c) Raimar Falke <[email protected]>
+ *   Copyright (c) Gisle Sflensminde <[email protected]>
+ *   Copyright (C) 2001 Niels Mvller.
+ *   Copyright (c) 2002 James Morris <[email protected]>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/crypto.h>
+#include "crypto_des.h"
+
+#define ROR(d,c,o)	((d) = (d) >> (c) | (d) << (o))
+
+static const u8 parity[] = {
+	8,1,0,8,0,8,8,0,0,8,8,0,8,0,2,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,3,
+	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
+	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
+	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
+	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
+	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
+	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
+	4,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,5,0,8,0,8,8,0,0,8,8,0,8,0,6,8,
+};
+
+/*
+ * RFC2451: Weak key checks SHOULD be performed.
+ */
+int
+crypto_des_check_key(const u8 *key, unsigned int keylen, u32 *flags)
+{
+	u32 n, w;
+
+	n  = parity[key[0]]; n <<= 4;
+	n |= parity[key[1]]; n <<= 4;
+	n |= parity[key[2]]; n <<= 4;
+	n |= parity[key[3]]; n <<= 4;
+	n |= parity[key[4]]; n <<= 4;
+	n |= parity[key[5]]; n <<= 4;
+	n |= parity[key[6]]; n <<= 4;
+	n |= parity[key[7]];
+	w = 0x88888888L;
+
+	if ((*flags & CRYPTO_TFM_REQ_WEAK_KEY)
+	    && !((n - (w >> 3)) & w)) {  /* 1 in 10^10 keys passes this test */
+		if (n < 0x41415151) {
+			if (n < 0x31312121) {
+				if (n < 0x14141515) {
+					/* 01 01 01 01 01 01 01 01 */
+					if (n == 0x11111111) goto weak;
+					/* 01 1F 01 1F 01 0E 01 0E */
+					if (n == 0x13131212) goto weak;
+				} else {
+					/* 01 E0 01 E0 01 F1 01 F1 */
+					if (n == 0x14141515) goto weak;
+					/* 01 FE 01 FE 01 FE 01 FE */
+					if (n == 0x16161616) goto weak;
+				}
+			} else {
+				if (n < 0x34342525) {
+					/* 1F 01 1F 01 0E 01 0E 01 */
+					if (n == 0x31312121) goto weak;
+					/* 1F 1F 1F 1F 0E 0E 0E 0E (?) */
+					if (n == 0x33332222) goto weak;
+				} else {
+					/* 1F E0 1F E0 0E F1 0E F1 */
+					if (n == 0x34342525) goto weak;
+					/* 1F FE 1F FE 0E FE 0E FE */
+					if (n == 0x36362626) goto weak;
+				}
+			}
+		} else {
+			if (n < 0x61616161) {
+				if (n < 0x44445555) {
+					/* E0 01 E0 01 F1 01 F1 01 */
+					if (n == 0x41415151) goto weak;
+					/* E0 1F E0 1F F1 0E F1 0E */
+					if (n == 0x43435252) goto weak;
+				} else {
+					/* E0 E0 E0 E0 F1 F1 F1 F1 (?) */
+					if (n == 0x44445555) goto weak;
+					/* E0 FE E0 FE F1 FE F1 FE */
+					if (n == 0x46465656) goto weak;
+				}
+			} else {
+				if (n < 0x64646565) {
+					/* FE 01 FE 01 FE 01 FE 01 */
+					if (n == 0x61616161) goto weak;
+					/* FE 1F FE 1F FE 0E FE 0E */
+					if (n == 0x63636262) goto weak;
+				} else {
+					/* FE E0 FE E0 FE F1 FE F1 */
+					if (n == 0x64646565) goto weak;
+					/* FE FE FE FE FE FE FE FE */
+					if (n == 0x66666666) goto weak;
+				}
+			}
+		}
+	}
+	return 0;
+weak:
+	*flags |= CRYPTO_TFM_RES_WEAK_KEY;
+	return -EINVAL;
+}
+
+EXPORT_SYMBOL(crypto_des_check_key);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Key Check function for DES &  DES3 Cipher Algorithms");

target/linux/ubicom32/files/arch/ubicom32/crypto/des_ubicom32.c

@@ -0,0 +1,761 @@
+/*
+ * arch/ubicom32/crypto/des_ubicom32.c
+ *   Ubicom32 implementation of the DES Cipher Algorithm.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <crypto/algapi.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+#include "crypto_ubicom32.h"
+extern int crypto_des_check_key(const u8 *key, unsigned int keylen, u32 *flags);
+
+#define DES_BLOCK_SIZE 8
+#define DES_KEY_SIZE 8
+
+#define DES3_192_KEY_SIZE	(3 * DES_KEY_SIZE)
+#define DES3_192_BLOCK_SIZE	DES_BLOCK_SIZE
+
+#define DES3_SUB_KEY(key, i) 	(((u8 *)key) + (i * DES_KEY_SIZE))
+
+enum des_ops {
+	DES_ENCRYPT,
+	DES_DECRYPT,
+
+	DES3_EDE_ENCRYPT,
+	DES3_EDE_DECRYPT,
+
+#ifdef DES3_EEE
+	DES3_EEE_ENCRYPT,
+	DES3_EEE_DECRYPT,
+#endif
+};
+
+struct ubicom32_des_ctx {
+	u8 key[3 * DES_KEY_SIZE];
+	u32 ctrl;
+	int key_len;
+};
+
+static inline void des_hw_set_key(const u8 *key, u8 key_len)
+{
+	/*
+	 * HW 3DES is not tested yet, use DES just as ipOS
+	 */
+	DES_SET_KEY(key);
+}
+
+static inline void des_hw_cipher(u8 *out, const u8 *in)
+{
+	SEC_SET_INPUT_2W(in);
+
+	asm volatile (
+	"	; start DES by writing 0x38(SECURITY_BASE)	\n\t"
+	"	move.4 0x38(%0), #0x01				\n\t"
+	"	pipe_flush 0					\n\t"
+	"							\n\t"
+	"	; wait for the module to calculate the output	\n\t"
+	"	btst 0x04(%0), #0				\n\t"
+	"	jmpne.f .-4					\n\t"
+		:
+		: "a" (SEC_BASE)
+		: "cc"
+	);
+
+	SEC_GET_OUTPUT_2W(out);
+}
+
+
+static void inline des3_hw_ede_encrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), DES_KEY_SIZE);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+}
+
+static void inline des3_hw_ede_decrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), DES_KEY_SIZE);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+}
+
+#ifdef DES3_EEE
+static void inline des3_hw_eee_encrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), 2);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), 2);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), 2);
+	des_hw_cipher(out, out);
+}
+
+static void inline des3_hw_eee_decrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), 2);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), 2);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), 2);
+	des_hw_cipher(out, out);
+}
+#endif
+
+static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
+		      unsigned int keylen)
+{
+	struct ubicom32_des_ctx *dctx = crypto_tfm_ctx(tfm);
+	u32 *flags = &tfm->crt_flags;
+	int ret;
+
+	/* test if key is valid (not a weak key) */
+	ret = crypto_des_check_key(key, keylen, flags);
+	if (ret == 0) {
+		memcpy(dctx->key, key, keylen);
+		dctx->key_len = keylen;
+		//dctx->ctrl = (keylen == DES_KEY_SIZE) ? SEC_ALG_DES : SEC_ALG_3DES
+		/* 2DES and 3DES are both implemented with DES hw function */
+		dctx->ctrl = SEC_ALG_DES;
+	}
+	return ret;
+}
+
+static inline void des_cipher_1b(struct crypto_tfm *tfm, u8 *out, const u8 *in, u32 extra_flags)
+{
+	const struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+	hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+
+	des_hw_set_key(uctx->key, uctx->key_len);
+	des_hw_cipher(out, in);
+
+	hw_crypto_unlock();
+}
+
+static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	des_cipher_1b(tfm, out, in, SEC_DIR_ENCRYPT);
+}
+
+static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	des_cipher_1b(tfm, out, in, SEC_DIR_DECRYPT);
+}
+
+static struct crypto_alg des_alg = {
+	.cra_name		=	"des",
+	.cra_driver_name	=	"des-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	DES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(des_alg.cra_list),
+	.cra_u			= {
+		.cipher = {
+			.cia_min_keysize	=	DES_KEY_SIZE,
+			.cia_max_keysize	=	DES_KEY_SIZE,
+			.cia_setkey		=	des_setkey,
+			.cia_encrypt		=	des_encrypt,
+			.cia_decrypt		=	des_decrypt,
+		}
+	}
+};
+
+static void ecb_des_ciper_loop(u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des_hw_cipher(out, in);
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void ecb_des3_ede_encrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_ede_encrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void ecb_des3_ede_decrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_ede_decrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+#ifdef DES3_EEE
+static void ecb_des3_eee_encrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_eee_encrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void ecb_des3_eee_decrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_eee_decrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+#endif
+
+static inline void ecb_des_cipher_n(struct ubicom32_des_ctx *uctx, enum des_ops op, u8 *out, u8 *in, unsigned int n)
+{
+	switch (op) {
+	case DES_ENCRYPT:
+	case DES_DECRYPT:
+		/* set the right algo, direction and key once */
+		hw_crypto_set_ctrl(SEC_ALG_DES | (op == DES_ENCRYPT ? SEC_DIR_ENCRYPT : 0));
+		des_hw_set_key(uctx->key, uctx->key_len);
+		ecb_des_ciper_loop(out, in, n);
+		break;
+
+	case DES3_EDE_ENCRYPT:
+		ecb_des3_ede_encrypt_loop(uctx->key, out, in, n);
+		break;
+
+	case DES3_EDE_DECRYPT:
+		ecb_des3_ede_decrypt_loop(uctx->key, out, in, n);
+		break;
+
+#ifdef DES3_EEE
+	case DES3_EEE_ENCRYPT:
+		ecb_des3_eee_encrypt_loop(uctx->key, out, in, n);
+		break;
+
+	case DES3_EEE_DECRYPT:
+		ecb_des3_eee_decrypt_loop(uctx->key, out, in, n);
+		break;
+#endif
+	}
+}
+
+static inline void des_xor_2w(u32 *data, u32 *iv)
+{
+	data[0] ^= iv[0];
+	data[1] ^= iv[1];
+}
+
+static void cbc_des_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	while (likely(n)) {
+		des_xor_2w((u32 *)in, (u32 *)iv);
+		des_hw_cipher(out, in);
+		SEC_COPY_2W(iv, out);
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des_decrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	u8 next_iv[DES_BLOCK_SIZE];
+	while (likely(n)) {
+		SEC_COPY_2W(next_iv, in);
+		des_hw_cipher(out, in);
+		des_xor_2w((u32 *)out, (u32 *)iv);
+		SEC_COPY_2W(iv, next_iv);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des3_ede_encrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	while (likely(n)) {
+		des_xor_2w((u32 *)in, (u32 *)iv);
+		des3_hw_ede_encrypt(keys, out, in);
+		SEC_COPY_2W(iv, out);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des3_ede_decrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	u8 next_iv[DES_BLOCK_SIZE];
+	while (likely(n)) {
+		SEC_COPY_2W(next_iv, in);
+		des3_hw_ede_decrypt(keys, out, in);
+		des_xor_2w((u32 *)out, (u32 *)iv);
+		SEC_COPY_2W(iv, next_iv);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+#ifdef DES3_EEE
+static void cbc_des3_eee_encrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	while (likely(n)) {
+		des_xor_2w((u32 *)in, (u32 *)iv);
+		des3_hw_eee_encrypt(keys, out, in);
+		SEC_COPY_2W(iv, out);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des3_eee_decrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	u8 next_iv[DES_BLOCK_SIZE];
+	while (likely(n)) {
+		SEC_COPY_2W(next_iv, in);
+		des3_hw_eee_decrypt(keys, out, in);
+		des_xor_2w((u32 *)out, (u32 *)iv);
+		SEC_COPY_2W(iv, next_iv);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+#endif
+
+static inline void cbc_des_cipher_n(struct ubicom32_des_ctx *uctx, enum des_ops op, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	switch (op) {
+	case DES_ENCRYPT:
+		hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+		des_hw_set_key(uctx->key, uctx->key_len);
+		cbc_des_encrypt_loop(out, in, iv, n);
+		break;
+
+	case DES_DECRYPT:
+		/* set the right algo, direction and key once */
+		hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+		des_hw_set_key(uctx->key, uctx->key_len);
+		cbc_des_decrypt_loop(out, in, iv, n);
+		break;
+
+	case DES3_EDE_ENCRYPT:
+		cbc_des3_ede_encrypt_loop(uctx->key, out, in, iv, n);
+		break;
+
+	case DES3_EDE_DECRYPT:
+		cbc_des3_ede_decrypt_loop(uctx->key, out, in, iv, n);
+		break;
+
+#ifdef DES3_EEE
+	case DES3_EEE_ENCRYPT:
+		cbc_des3_eee_encrypt_loop(uctx->key, out, in, iv, n);
+		break;
+
+	case DES3_EEE_DECRYPT:
+		cbc_des3_eee_decrypt_loop(uctx->key, out, in, iv, n);
+		break;
+#endif
+	}
+}
+
+static int des_cipher(struct blkcipher_desc *desc, struct scatterlist *dst,
+		      struct scatterlist *src, unsigned int nbytes, u32 extra_flags, enum des_ops op)
+{
+	struct ubicom32_des_ctx *uctx = crypto_blkcipher_ctx(desc->tfm);
+	int ret;
+
+	struct blkcipher_walk walk;
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	ret = blkcipher_walk_virt(desc, &walk);
+	if (ret) {
+		return ret;
+	}
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	while ((nbytes = walk.nbytes)) {
+		/* only use complete blocks */
+		unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
+		u8 *out = walk.dst.virt.addr;
+		u8 *in = walk.src.virt.addr;
+
+		/* finish n/16 blocks */
+		if (extra_flags & SEC_CBC_SET) {
+			cbc_des_cipher_n(uctx, op, out, in, walk.iv, n);
+		} else {
+			ecb_des_cipher_n(uctx, op, out, in, n);
+		}
+
+		nbytes &= DES_BLOCK_SIZE - 1;
+		ret = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+
+	hw_crypto_unlock();
+	return ret;
+}
+
+static int ecb_des_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES_ENCRYPT);
+}
+
+static int ecb_des_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES_DECRYPT);
+}
+
+static struct crypto_alg ecb_des_alg = {
+	.cra_name		=	"ecb(des)",
+	.cra_driver_name	=	"ecb-des-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(ecb_des_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES_KEY_SIZE,
+			.max_keysize		=	DES_KEY_SIZE,
+			.setkey			=	des_setkey,
+			.encrypt		=	ecb_des_encrypt,
+			.decrypt		=	ecb_des_decrypt,
+		}
+	}
+};
+
+static int cbc_des_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES_ENCRYPT);
+}
+
+static int cbc_des_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES_DECRYPT);
+}
+
+static struct crypto_alg cbc_des_alg = {
+	.cra_name		=	"cbc(des)",
+	.cra_driver_name	=	"cbc-des-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(cbc_des_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES_KEY_SIZE,
+			.max_keysize		=	DES_KEY_SIZE,
+			.ivsize			=	DES_BLOCK_SIZE,
+			.setkey			=	des_setkey,
+			.encrypt		=	cbc_des_encrypt,
+			.decrypt		=	cbc_des_decrypt,
+		}
+	}
+};
+
+/*
+ * RFC2451:
+ *
+ *   For DES-EDE3, there is no known need to reject weak or
+ *   complementation keys.  Any weakness is obviated by the use of
+ *   multiple keys.
+ *
+ *   However, if the first two or last two independent 64-bit keys are
+ *   equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the
+ *   same as DES.  Implementers MUST reject keys that exhibit this
+ *   property.
+ *
+ */
+static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
+			   unsigned int keylen)
+{
+	int i, ret;
+	struct ubicom32_des_ctx *dctx = crypto_tfm_ctx(tfm);
+	const u8 *temp_key = key;
+	u32 *flags = &tfm->crt_flags;
+
+	if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
+	    memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
+		   DES_KEY_SIZE))) {
+
+		*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
+		return -EINVAL;
+	}
+	for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) {
+		ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
+		if (ret < 0)
+			return ret;
+	}
+	memcpy(dctx->key, key, keylen);
+	dctx->ctrl = SEC_ALG_DES;	//hw 3DES not working yet
+	dctx->key_len = keylen;
+	return 0;
+}
+
+static void des3_192_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+	struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	des3_hw_ede_encrypt(uctx->key, dst, src);
+
+	hw_crypto_unlock();
+}
+
+static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+	struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	des3_hw_ede_decrypt(uctx->key, dst, src);
+
+	hw_crypto_unlock();
+}
+
+static struct crypto_alg des3_192_alg = {
+	.cra_name		=	"des3_ede",
+	.cra_driver_name	=	"des3_ede-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	DES3_192_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(des3_192_alg.cra_list),
+	.cra_u			= {
+		.cipher = {
+			.cia_min_keysize	=	DES3_192_KEY_SIZE,
+			.cia_max_keysize	=	DES3_192_KEY_SIZE,
+			.cia_setkey		=	des3_192_setkey,
+			.cia_encrypt		=	des3_192_encrypt,
+			.cia_decrypt		=	des3_192_decrypt,
+		}
+	}
+};
+
+static int ecb_des3_192_encrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES3_EDE_ENCRYPT);
+}
+
+static int ecb_des3_192_decrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES3_EDE_DECRYPT);
+}
+
+static struct crypto_alg ecb_des3_192_alg = {
+	.cra_name		=	"ecb(des3_ede)",
+	.cra_driver_name	=	"ecb-des3_ede-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES3_192_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(
+						ecb_des3_192_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES3_192_KEY_SIZE,
+			.max_keysize		=	DES3_192_KEY_SIZE,
+			.setkey			=	des3_192_setkey,
+			.encrypt		=	ecb_des3_192_encrypt,
+			.decrypt		=	ecb_des3_192_decrypt,
+		}
+	}
+};
+
+static int cbc_des3_192_encrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES3_EDE_ENCRYPT);
+}
+
+static int cbc_des3_192_decrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES3_EDE_DECRYPT);
+}
+
+static struct crypto_alg cbc_des3_192_alg = {
+	.cra_name		=	"cbc(des3_ede)",
+	.cra_driver_name	=	"cbc-des3_ede-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES3_192_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(
+						cbc_des3_192_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES3_192_KEY_SIZE,
+			.max_keysize		=	DES3_192_KEY_SIZE,
+			.ivsize			=	DES3_192_BLOCK_SIZE,
+			.setkey			=	des3_192_setkey,
+			.encrypt		=	cbc_des3_192_encrypt,
+			.decrypt		=	cbc_des3_192_decrypt,
+		}
+	}
+};
+
+static int init(void)
+{
+	int ret = 0;
+
+	hw_crypto_init();
+
+	ret = crypto_register_alg(&des_alg);
+	if (ret)
+		goto des_err;
+	ret = crypto_register_alg(&ecb_des_alg);
+	if (ret)
+		goto ecb_des_err;
+	ret = crypto_register_alg(&cbc_des_alg);
+	if (ret)
+		goto cbc_des_err;
+
+	ret = crypto_register_alg(&des3_192_alg);
+	if (ret)
+		goto des3_192_err;
+	ret = crypto_register_alg(&ecb_des3_192_alg);
+	if (ret)
+		goto ecb_des3_192_err;
+	ret = crypto_register_alg(&cbc_des3_192_alg);
+	if (ret)
+		goto cbc_des3_192_err;
+
+out:
+	return ret;
+
+cbc_des3_192_err:
+	crypto_unregister_alg(&ecb_des3_192_alg);
+ecb_des3_192_err:
+	crypto_unregister_alg(&des3_192_alg);
+des3_192_err:
+	crypto_unregister_alg(&cbc_des_alg);
+cbc_des_err:
+	crypto_unregister_alg(&ecb_des_alg);
+ecb_des_err:
+	crypto_unregister_alg(&des_alg);
+des_err:
+	goto out;
+}
+
+static void __exit fini(void)
+{
+	crypto_unregister_alg(&cbc_des3_192_alg);
+	crypto_unregister_alg(&ecb_des3_192_alg);
+	crypto_unregister_alg(&des3_192_alg);
+	crypto_unregister_alg(&cbc_des_alg);
+	crypto_unregister_alg(&ecb_des_alg);
+	crypto_unregister_alg(&des_alg);
+}
+
+module_init(init);
+module_exit(fini);
+
+MODULE_ALIAS("des");
+MODULE_ALIAS("des3_ede");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");

target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32.c

@@ -0,0 +1,200 @@
+/*
+ * arch/ubicom32/crypto/md5_ubicom32.c
+ *   Ubicom32 implementation of the MD5 Secure Hash Algorithm
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/crypto.h>
+
+#include "crypto_ubicom32.h"
+
+#define MD5_DIGEST_SIZE	16
+#define MD5_BLOCK_SIZE	64
+#define MD5_HASH_WORDS	4
+
+extern void _md5_ip5k_init_digest(u32_t *digest);
+extern void _md5_ip5k_transform(u32_t *data_input);
+extern void _md5_ip5k_get_digest(u32_t *digest);
+
+struct ubicom32_md5_ctx {
+	u64 count;		/* message length */
+	u32 state[MD5_HASH_WORDS];
+	u8 buf[2 * MD5_BLOCK_SIZE];
+};
+
+static void md5_init(struct crypto_tfm *tfm)
+{
+	struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm);
+	mctx->state[0] = 0x01234567;
+	mctx->state[1] = 0x89abcdef;
+	mctx->state[2] = 0xfedcba98;
+	mctx->state[3] = 0x76543210;
+
+	mctx->count = 0;
+}
+
+static inline void _md5_process(u32 *digest, const u8 *data)
+{
+	_md5_ip5k_transform((u32 *)data);
+}
+
+static void md5_update(struct crypto_tfm *tfm, const u8 *data,
+			unsigned int len)
+{
+	struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm);
+	int index, clen;
+
+	/* how much is already in the buffer? */
+	index = mctx->count & 0x3f;
+
+	mctx->count += len;
+
+	if (index + len < MD5_BLOCK_SIZE) {
+		goto store_only;
+	}
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	/* init digest set ctrl register too */
+	_md5_ip5k_init_digest(mctx->state);
+
+	if (unlikely(index == 0 && SEC_ALIGNED(data))) {
+fast_process:
+		while (len >= MD5_BLOCK_SIZE) {
+			_md5_process(mctx->state, data);
+			data += MD5_BLOCK_SIZE;
+			len -= MD5_BLOCK_SIZE;
+		}
+		goto store;
+	}
+
+	/* process one stored block */
+	if (index) {
+		clen = MD5_BLOCK_SIZE - index;
+		memcpy(mctx->buf + index, data, clen);
+		_md5_process(mctx->state, mctx->buf);
+		data += clen;
+		len -= clen;
+		index = 0;
+	}
+
+	if (likely(SEC_ALIGNED(data))) {
+		goto fast_process;
+	}
+
+	/* process as many blocks as possible */
+	while (len >= MD5_BLOCK_SIZE) {
+		memcpy(mctx->buf, data, MD5_BLOCK_SIZE);
+		_md5_process(mctx->state, mctx->buf);
+		data += MD5_BLOCK_SIZE;
+		len -= MD5_BLOCK_SIZE;
+	}
+
+store:
+	_md5_ip5k_get_digest(mctx->state);
+	hw_crypto_unlock();
+
+store_only:
+	/* anything left? */
+	if (len)
+		memcpy(mctx->buf + index , data, len);
+}
+
+/* Add padding and return the message digest. */
+static void md5_final(struct crypto_tfm *tfm, u8 *out)
+{
+	struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm);
+	u32 bits[2];
+	unsigned int index, end;
+
+	/* must perform manual padding */
+	index = mctx->count & 0x3f;
+	end =  (index < 56) ? MD5_BLOCK_SIZE : (2 * MD5_BLOCK_SIZE);
+
+	/* start pad with 1 */
+	mctx->buf[index] = 0x80;
+
+	/* pad with zeros */
+	index++;
+	memset(mctx->buf + index, 0x00, end - index - 8);
+
+	/* append message length */
+	bits[0] = mctx->count << 3;
+	bits[1] = mctx->count >> 29;
+	__cpu_to_le32s(bits);
+	__cpu_to_le32s(bits + 1);
+
+	memcpy(mctx->buf + end - 8, &bits, sizeof(bits));
+
+	/* force to use the mctx->buf and ignore the partial buf */
+	mctx->count = mctx->count & ~0x3f;
+	md5_update(tfm, mctx->buf, end);
+
+	/* copy digest to out */
+	memcpy(out, mctx->state, MD5_DIGEST_SIZE);
+
+	/* wipe context */
+	memset(mctx, 0, sizeof *mctx);
+}
+
+static struct crypto_alg alg = {
+	.cra_name	=	"md5",
+	.cra_driver_name=	"md5-ubicom32",
+	.cra_priority	=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags	=	CRYPTO_ALG_TYPE_DIGEST,
+	.cra_blocksize	=	MD5_BLOCK_SIZE,
+	.cra_ctxsize	=	sizeof(struct ubicom32_md5_ctx),
+	.cra_module	=	THIS_MODULE,
+	.cra_list	=	LIST_HEAD_INIT(alg.cra_list),
+	.cra_u = {
+		.digest = {
+			.dia_digestsize =       MD5_DIGEST_SIZE,
+			.dia_init       =       md5_init,
+			.dia_update     =       md5_update,
+			.dia_final      =       md5_final,
+		}
+	}
+};
+
+static int __init init(void)
+{
+	hw_crypto_init();
+	return crypto_register_alg(&alg);
+}
+
+static void __exit fini(void)
+{
+	crypto_unregister_alg(&alg);
+}
+
+module_init(init);
+module_exit(fini);
+
+MODULE_ALIAS("md5");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("MD5 Secure Hash Algorithm");

target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32_asm.S

@@ -0,0 +1,234 @@
+/*
+ * arch/ubicom32/crypto/md5_ubicom32_asm.S
+ *	MD5 (Message Digest 5) support for Ubicom32 v3 architecture
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#define __ASM__
+#include <asm/ip5000.h>
+
+#ifndef RP
+#define RP A5
+#endif
+
+;*****************************************************************************************
+; The function prototypes
+;*****************************************************************************************
+; void md5_ip5k_init(void)
+; void md5_ip5k_transform(u32_t *data_input)
+; void md5_get_digest(u32_t *digest)
+
+;*****************************************************************************************
+; Inputs
+;*****************************************************************************************;
+; data_input is the pointer to the block of data over which the digest will be calculated.
+;	It should be word aligned.
+;
+; digest is the pointer to the block of data into which the digest (the output) will be written.
+;	It should be word aligned.
+;
+
+;*****************************************************************************************
+; Outputs
+;*****************************************************************************************
+; None
+
+;*****************************************************************************************
+; An: Address Registers
+;*****************************************************************************************
+#define an_digest A3
+#define an_data_input A3
+#define an_security_block A4
+
+;*****************************************************************************************
+; Hash Constants
+;*****************************************************************************************
+#define HASH_MD5_IN0 0x01234567
+#define HASH_MD5_IN1 0x89abcdef
+#define HASH_MD5_IN2 0xfedcba98
+#define HASH_MD5_IN3 0x76543210
+
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_MD5 ((1 << 4) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION)
+
+;*****************************************************************************************
+; Hash related defines
+;*****************************************************************************************
+#define hash_control 0x00(an_security_block)
+#define hash_control_low 0x02(an_security_block)
+#define hash_status 0x04(an_security_block)
+
+#define hash_input_0 0x30(an_security_block)
+#define hash_input_1 0x34(an_security_block)
+#define hash_input_2 0x38(an_security_block)
+#define hash_input_3 0x3c(an_security_block)
+#define hash_input_4 0x40(an_security_block)
+
+#define hash_output_0 0x70(an_security_block)
+#define hash_output_0_low 0x72(an_security_block)
+#define hash_output_1 0x74(an_security_block)
+#define hash_output_1_low 0x76(an_security_block)
+#define hash_output_2 0x78(an_security_block)
+#define hash_output_2_low 0x7a(an_security_block)
+#define hash_output_3 0x7c(an_security_block)
+#define hash_output_3_low 0x7e(an_security_block)
+
+;*****************************************************************************************
+; Assembly macros
+;*****************************************************************************************
+	; C compiler reserves RP (A5) for return address during subroutine call.
+	; Use RP to return to caller
+.macro	call_return_macro
+	calli	RP, 0(RP)
+.endm
+
+#if 0
+;*****************************************************************************************
+;	void md5_ip5k_init(void)
+;		initialize the output registers of the hash module
+;
+	;.section .text.md5_ip5k_init,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_init
+	.func md5_ip5k_init, _md5_ip5k_init
+
+_md5_ip5k_init:
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+
+	movei hash_output_0, #%hi(HASH_MD5_IN0)
+	movei hash_output_0_low, #%lo(HASH_MD5_IN0)
+
+	movei hash_output_1, #%hi(HASH_MD5_IN1)
+	movei hash_output_1_low, #%lo(HASH_MD5_IN1)
+
+	movei hash_output_2, #%hi(HASH_MD5_IN2)
+	movei hash_output_2_low, #%lo(HASH_MD5_IN2)
+
+	movei hash_output_3, #%hi(HASH_MD5_IN3)
+	movei hash_output_3_low, #%lo(HASH_MD5_IN3)
+
+	call_return_macro
+	.endfunc
+#endif
+
+;*****************************************************************************************
+;	void md5_ip5k_init_digest(u32_t *hash_input)
+;		initialize the output registers of the hash module
+
+	;.section .text.md5_ip5k_init_digest,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_init_digest
+	.func md5_ip5k_init_digest, _md5_ip5k_init_digest
+
+_md5_ip5k_init_digest:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+
+	move.4 hash_output_0, (an_data_input)4++
+	move.4 hash_output_1, (an_data_input)4++
+	move.4 hash_output_2, (an_data_input)4++
+	move.4 hash_output_3, (an_data_input)4++
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void md5_ip5k_transform(u32_t *data_input)
+;		performs intermediate transformation step for the hash calculation
+;
+	;.sect .text.md5_ip5k_transform,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_transform
+	.func md5_ip5k_transform, _md5_ip5k_transform
+
+_md5_ip5k_transform:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; Write the first 128bits (16 bytes)
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	pipe_flush 0
+
+md5_ip5k_transform_wait:
+	; wait for the module to calculate the output hash
+	btst hash_status, #0
+	jmpne.f md5_ip5k_transform_wait
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void md5_ip5k_get_digest(u32_t *digest)
+;		Return the hash of the input data
+;
+	;.sect .text.md5_get_digest,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_get_digest
+	.func md5_ip5k_get_digest, _md5_ip5k_get_digest
+
+_md5_ip5k_get_digest:
+	movea an_digest, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; we have finished
+	move.4 0(an_digest), hash_output_0
+	move.4 4(an_digest), hash_output_1
+	move.4 8(an_digest), hash_output_2
+	move.4 12(an_digest), hash_output_3
+
+	call_return_macro
+	.endfunc

target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32.c

@@ -0,0 +1,354 @@
+/*
+ * arch/ubicom32/crypto/sha1_ubicom32.c
+ *   Ubicom32 implementation of the SHA1 Secure Hash Algorithm.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/crypto.h>
+#include <crypto/sha.h>
+#include <asm/linkage.h>
+
+#include "crypto_ubicom32.h"
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1 ((1 << 5) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION)
+
+struct ubicom32_sha1_ctx {
+	u64 count;		/* message length */
+	u32 state[5];
+	u8 buf[2 * SHA1_BLOCK_SIZE];
+};
+
+static inline void sha1_clear_2ws(u8 *buf, int wc)
+{
+	asm volatile (
+	"1:	move.4	(%0)4++, #0		\n\t"
+	"	move.4	(%0)4++, #0		\n\t"
+	"	sub.4	%1, #2, %1		\n\t"
+	"	jmple.f	1b			\n\t"
+		:
+		: "a" (buf), "d" (wc)
+		: "cc"
+	);
+}
+
+/* only wipe out count, state, and 1st half of buf - 9 bytes at most */
+#define sha1_wipe_out(sctx) sha1_clear_2ws((u8 *)sctx, 2 + 5 + 16 - 2)
+
+static inline void sha1_init_digest(u32 *digest)
+{
+	hw_crypto_set_ctrl(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1);
+	asm volatile (
+	"	; move digests to hash_output regs	\n\t"
+	"	move.4	0x70(%0), 0x0(%1)		\n\t"
+	"	move.4	0x74(%0), 0x4(%1)		\n\t"
+	"	move.4	0x78(%0), 0x8(%1)		\n\t"
+	"	move.4	0x7c(%0), 0xc(%1)		\n\t"
+	"	move.4	0x80(%0), 0x10(%1)		\n\t"
+		:
+		: "a" (SEC_BASE), "a" (digest)
+	);
+}
+
+static inline void sha1_transform_feed(const u8 *in)
+{
+	asm volatile (
+	"	; write the 1st 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x0(%1)	\n\t"
+	"	move.4	0x34(%0), 0x4(%1)	\n\t"
+	"	move.4	0x38(%0), 0x8(%1)	\n\t"
+	"	move.4	0x3c(%0), 0xc(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	; write the 2nd 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x10(%1)	\n\t"
+	"	move.4	0x34(%0), 0x14(%1)	\n\t"
+	"	move.4	0x38(%0), 0x18(%1)	\n\t"
+	"	move.4	0x3c(%0), 0x1c(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	; write the 3rd 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x20(%1)	\n\t"
+	"	move.4	0x34(%0), 0x24(%1)	\n\t"
+	"	move.4	0x38(%0), 0x28(%1)	\n\t"
+	"	move.4	0x3c(%0), 0x2c(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	; write the 4th 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x30(%1)	\n\t"
+	"	move.4	0x34(%0), 0x34(%1)	\n\t"
+	"	move.4	0x38(%0), 0x38(%1)	\n\t"
+	"	move.4	0x3c(%0), 0x3c(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	pipe_flush 0			\n\t"
+		:
+		: "a"(SEC_BASE), "a"(in)
+	);
+}
+
+static inline void sha1_transform_wait(void)
+{
+	asm volatile (
+	"	btst	0x04(%0), #0		\n\t"
+	"	jmpne.f -4			\n\t"
+		:
+		: "a"(SEC_BASE)
+		: "cc"
+	);
+}
+
+static inline void sha1_output_digest(u32 *digest)
+{
+	asm volatile (
+	"	move.4	0x0(%1), 0x70(%0)		\n\t"
+	"	move.4	0x4(%1), 0x74(%0)		\n\t"
+	"	move.4	0x8(%1), 0x78(%0)		\n\t"
+	"	move.4	0xc(%1), 0x7c(%0)		\n\t"
+	"	move.4	0x10(%1), 0x80(%0)		\n\t"
+		:
+		: "a" (SEC_BASE), "a" (digest)
+	);
+}
+
+static __ocm_text void sha1_init(struct crypto_tfm *tfm)
+{
+	struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+
+	sctx->state[0] = SHA1_H0;
+	sctx->state[1] = SHA1_H1;
+	sctx->state[2] = SHA1_H2;
+	sctx->state[3] = SHA1_H3;
+	sctx->state[4] = SHA1_H4;
+	sctx->count = 0;
+}
+
+static void __ocm_text sha1_update(struct crypto_tfm *tfm, const u8 *data,
+			unsigned int len)
+{
+	struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+	int index, clen;
+
+	/* how much is already in the buffer? */
+	index = sctx->count & 0x3f;
+
+	sctx->count += len;
+
+	if (index + len < SHA1_BLOCK_SIZE) {
+		goto store_only;
+	}
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	/* init digest set ctrl register too */
+	sha1_init_digest(sctx->state);
+
+	if (unlikely(index == 0 && SEC_ALIGNED(data))) {
+fast_process:
+#if CRYPTO_UBICOM32_LOOP_ASM
+		if (likely(len >= SHA1_BLOCK_SIZE)) {
+			register unsigned int cnt = len >> 6; 	// loop = len / 64;
+			sha1_transform_feed(data);
+			data += SHA1_BLOCK_SIZE;
+
+			/* cnt is pre-decremented in the loop */
+			asm volatile (
+			"; while (--loop):  work on 2nd block   \n\t"
+			"1:	add.4	%2, #-1, %2		\n\t"
+			"	jmpeq.f	5f			\n\t"
+			"					\n\t"
+			"	; write the 1st 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	; can not kick off hw before it \n\t"
+			"	; is done with the prev block   \n\t"
+			"					\n\t"
+			"	btst	0x04(%1), #0		\n\t"
+			"	jmpne.f	-4			\n\t"
+			"					\n\t"
+			"	; tell hw to load 1st 16 bytes  \n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"	; write the 2nd 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"	; write the 3rd 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"	; write the 4th 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"; no need flush, enough insts		\n\t"
+			"; before next hw wait			\n\t"
+			"					\n\t"
+			"; go back to loop			\n\t"
+			"	jmpt 1b				\n\t"
+			"					\n\t"
+			"; wait hw for last block		\n\t"
+			"5:	btst 0x04(%1), #0		\n\t"
+			"	jmpne.f -4			\n\t"
+			"					\n\t"
+				: "+a" (data)
+				: "a"( SEC_BASE), "d" (cnt)
+				: "cc"
+			);
+
+			len = len & (64 - 1);
+		}
+#else
+		while (likely(len >= SHA1_BLOCK_SIZE)) {
+			sha1_transform_feed(data);
+			data += SHA1_BLOCK_SIZE;
+			len -= SHA1_BLOCK_SIZE;
+			sha1_transform_wait();
+		}
+#endif
+		goto store;
+	}
+
+	/* process one stored block */
+	if (index) {
+		clen = SHA1_BLOCK_SIZE - index;
+		memcpy(sctx->buf + index, data, clen);
+		sha1_transform_feed(sctx->buf);
+		data += clen;
+		len -= clen;
+		index = 0;
+		sha1_transform_wait();
+	}
+
+	if (likely(SEC_ALIGNED(data))) {
+		goto fast_process;
+	}
+
+	/* process as many blocks as possible */
+	if (likely(len >= SHA1_BLOCK_SIZE)) {
+		memcpy(sctx->buf, data, SHA1_BLOCK_SIZE);
+		do {
+			sha1_transform_feed(sctx->buf);
+			data += SHA1_BLOCK_SIZE;
+			len -= SHA1_BLOCK_SIZE;
+			if (likely(len >= SHA1_BLOCK_SIZE)) {
+				memcpy(sctx->buf, data, SHA1_BLOCK_SIZE);
+				sha1_transform_wait();
+				continue;
+			}
+			/* it is the last block */
+			sha1_transform_wait();
+			break;
+		} while (1);
+	}
+
+store:
+	sha1_output_digest(sctx->state);
+	hw_crypto_unlock();
+
+store_only:
+	/* anything left? */
+	if (len)
+		memcpy(sctx->buf + index , data, len);
+}
+
+/* Add padding and return the message digest. */
+static void __ocm_text sha1_final(struct crypto_tfm *tfm, u8 *out)
+{
+	struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+	u64 bits;
+	unsigned int index, end;
+
+	/* must perform manual padding */
+	index = sctx->count & 0x3f;
+	end =  (index < 56) ? SHA1_BLOCK_SIZE : (2 * SHA1_BLOCK_SIZE);
+
+	/* start pad with 1 */
+	sctx->buf[index] = 0x80;
+
+	/* pad with zeros */
+	index++;
+	memset(sctx->buf + index, 0x00, end - index - 8);
+
+	/* append message length */
+	bits = sctx->count << 3 ;
+	SEC_COPY_2W(sctx->buf + end - 8, &bits);
+
+	/* force to use the sctx->buf and ignore the partial buf */
+	sctx->count = sctx->count & ~0x3f;
+	sha1_update(tfm, sctx->buf, end);
+
+	/* copy digest to out */
+	SEC_COPY_5W(out, sctx->state);
+
+	/* wipe context */
+	sha1_wipe_out(sctx);
+}
+
+static struct crypto_alg alg = {
+	.cra_name	=	"sha1",
+	.cra_driver_name=	"sha1-ubicom32",
+	.cra_priority	=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags	=	CRYPTO_ALG_TYPE_DIGEST,
+	.cra_blocksize	=	SHA1_BLOCK_SIZE,
+	.cra_ctxsize	=	sizeof(struct ubicom32_sha1_ctx),
+	.cra_module	=	THIS_MODULE,
+	.cra_list	=	LIST_HEAD_INIT(alg.cra_list),
+	.cra_u	  = {
+		.digest = {
+			.dia_digestsize =       SHA1_DIGEST_SIZE,
+			.dia_init       =       sha1_init,
+			.dia_update     =       sha1_update,
+			.dia_final      =       sha1_final,
+		}
+	}
+};
+
+static int __init init(void)
+{
+	hw_crypto_init();
+	return crypto_register_alg(&alg);
+}
+
+static void __exit fini(void)
+{
+	crypto_unregister_alg(&alg);
+}
+
+module_init(init);
+module_exit(fini);
+
+MODULE_ALIAS("sha1");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");

target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S

@@ -0,0 +1,244 @@
+/*
+ * arch/ubicom32/crypto/sha1_ubicom32_asm.S
+ *	SHA1 hash support for Ubicom32 architecture V3.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#define __ASM__
+#include <asm/ip5000.h>
+
+#ifndef RP
+#define RP A5
+#endif
+
+;*****************************************************************************************
+; The function prototype
+;*****************************************************************************************
+; void sha1_ip5k_init(void)
+; void sha1_ip5k_transform(u32_t *data_input)
+; void sha1_ip5k_output(u32_t *digest)
+
+;*****************************************************************************************
+; Inputs
+;*****************************************************************************************
+; data_input is the pointer to the block of data over which the digest will be calculated.
+;	It should be word aligned.
+;
+; digest is the pointer to the block of data into which the digest (the output) will be written.
+;	It should be word aligned.
+;
+
+;*****************************************************************************************
+; Outputs
+;*****************************************************************************************
+; None
+
+;*****************************************************************************************
+; Hash Constants
+;*****************************************************************************************
+#define HASH_SHA1_IN0 0x67452301
+#define HASH_SHA1_IN1 0xefcdab89
+#define HASH_SHA1_IN2 0x98badcfe
+#define HASH_SHA1_IN3 0x10325476
+#define HASH_SHA1_IN4 0xc3d2e1f0
+
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1 ((1 << 5) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION)
+
+;*****************************************************************************************
+; An: Address Registers
+;*****************************************************************************************
+#define an_digest a4
+#define an_data_input a4
+#define an_security_block a3
+
+;*****************************************************************************************
+; Hash related defines
+;*****************************************************************************************
+#define hash_control 0x00(an_security_block)
+#define hash_control_low 0x02(an_security_block)
+#define hash_status 0x04(an_security_block)
+
+#define hash_input_0 0x30(an_security_block)
+#define hash_input_1 0x34(an_security_block)
+#define hash_input_2 0x38(an_security_block)
+#define hash_input_3 0x3c(an_security_block)
+#define hash_input_4 0x40(an_security_block)
+
+#define hash_output_0 0x70(an_security_block)
+#define hash_output_0_low 0x72(an_security_block)
+#define hash_output_1 0x74(an_security_block)
+#define hash_output_1_low 0x76(an_security_block)
+#define hash_output_2 0x78(an_security_block)
+#define hash_output_2_low 0x7a(an_security_block)
+#define hash_output_3 0x7c(an_security_block)
+#define hash_output_3_low 0x7e(an_security_block)
+#define hash_output_4 0x80(an_security_block)
+#define hash_output_4_low 0x82(an_security_block)
+
+;*****************************************************************************************
+; Assembly macros
+;*****************************************************************************************
+	; C compiler reserves RP (A5) for return address during subroutine call.
+	; Use RP to return to caller
+.macro	call_return_macro
+	calli	RP, 0(RP)
+.endm
+
+;*****************************************************************************************
+;	void sha1_ip5k_init(void)
+;		initialize the output registers of the hash module
+
+	;.section .text.sha1_ip5k_init,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_init
+	.func sha1_ip5k_init, _sha1_ip5k_init
+
+_sha1_ip5k_init:
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+
+	movei hash_output_0, #%hi(HASH_SHA1_IN0)
+	movei hash_output_0_low, #%lo(HASH_SHA1_IN0)
+
+	movei hash_output_1, #%hi(HASH_SHA1_IN1)
+	movei hash_output_1_low, #%lo(HASH_SHA1_IN1)
+
+	movei hash_output_2, #%hi(HASH_SHA1_IN2)
+	movei hash_output_2_low, #%lo(HASH_SHA1_IN2)
+
+	movei hash_output_3, #%hi(HASH_SHA1_IN3)
+	movei hash_output_3_low, #%lo(HASH_SHA1_IN3)
+
+	movei hash_output_4, #%hi(HASH_SHA1_IN4)
+	movei hash_output_4_low, #%lo(HASH_SHA1_IN4)
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void sha1_ip5k_init_digest(u32_t *hash_input)
+;		initialize the output registers of the hash module
+
+	;.section .text.sha1_ip5k_init_digest,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_init_digest
+	.func sha1_ip5k_init_digest, _sha1_ip5k_init_digest
+
+_sha1_ip5k_init_digest:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+
+	move.4 hash_output_0, (an_data_input)4++
+	move.4 hash_output_1, (an_data_input)4++
+	move.4 hash_output_2, (an_data_input)4++
+	move.4 hash_output_3, (an_data_input)4++
+	move.4 hash_output_4, (an_data_input)4++
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void sha1_ip5k_transform(u32_t *data_input)
+;		performs intermediate transformation step for the hash calculation
+
+	;.section .text.sha1_ip5k_transform,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_transform
+	.func sha1_ip5k_transform, _sha1_ip5k_transform
+
+_sha1_ip5k_transform:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; Write the first 128bits (16 bytes)
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	pipe_flush 0
+
+sha1_ip5k_transform_wait:
+	; wait for the module to calculate the output hash
+	btst hash_status, #0
+	jmpne.f sha1_ip5k_transform_wait
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void sha1_ip5k_output(u32_t *digest)
+;		Return the hash of the input data
+
+	;.section .text.sha1_ip5k_output,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_output
+	.func sha1_ip5k_output, _sha1_ip5k_output
+
+_sha1_ip5k_output:
+	movea an_digest, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; we have finished
+	move.4 0(an_digest), hash_output_0
+	move.4 4(an_digest), hash_output_1
+	move.4 8(an_digest), hash_output_2
+	move.4 12(an_digest), hash_output_3
+	move.4 16(an_digest), hash_output_4
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;END			;End of program code
+;*****************************************************************************************

target/linux/ubicom32/files/arch/ubicom32/include/asm/.gitignore

@@ -0,0 +1 @@
+/ocm_size.h

target/linux/ubicom32/files/arch/ubicom32/include/asm/Kbuild

@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm

target/linux/ubicom32/files/arch/ubicom32/include/asm/a.out.h

@@ -0,0 +1,47 @@
+/*
+ * arch/ubicom32/include/asm/a.out.h
+ *   Definitions for Ubicom32 a.out executable format.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_A_OUT_H
+#define _ASM_UBICOM32_A_OUT_H
+
+struct exec
+{
+  unsigned long a_info;		/* Use macros N_MAGIC, etc for access */
+  unsigned a_text;		/* length of text, in bytes */
+  unsigned a_data;		/* length of data, in bytes */
+  unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
+  unsigned a_syms;		/* length of symbol table data in file, in bytes */
+  unsigned a_entry;		/* start address */
+  unsigned a_trsize;		/* length of relocation info for text, in bytes */
+  unsigned a_drsize;		/* length of relocation info for data, in bytes */
+};
+
+#define N_TRSIZE(a)	((a).a_trsize)
+#define N_DRSIZE(a)	((a).a_drsize)
+#define N_SYMSIZE(a)	((a).a_syms)
+
+#endif /* _ASM_UBICOM32_A_OUT_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/atomic.h

@@ -0,0 +1,348 @@
+/*
+ * arch/ubicom32/include/asm/atomic.h
+ *   Atomic operations definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ATOMIC_H
+#define _ASM_UBICOM32_ATOMIC_H
+
+#include <asm/system.h>
+#include <asm/ubicom32-common.h>
+#include <asm/types.h>
+
+/*
+ * Most instructions on the Ubicom32 processor are atomic in that they
+ * execute in one clock cycle.  However, Linux has several operations
+ * (e.g. compare and swap) which will require more than a single instruction
+ * to perform.   To achieve this, the Ubicom32 processor uses a single
+ * global bit in a scratchpad register as a critical section lock. All
+ * atomic operations acquire this lock.
+ *
+ * NOTE: To AVOID DEADLOCK(s), the atomic lock must only be used for atomic
+ * operations or by the ldsr to avoid disabling a thread performing an atomic
+ * operation.
+ *
+ * Do not attempt to disable interrupts while holding the atomic operations
+ * lock or you will DEADLOCK the system.
+ */
+
+#define ATOMIC_INIT(i)	{ (i) }
+
+/*
+ * __atomic_add()
+ * 	Add i to v and return the result.
+ */
+static inline void __atomic_add(int i, atomic_t *v)
+{
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	vt->counter += i;
+	__atomic_lock_release();
+}
+
+/*
+ * __atomic_sub()
+ * 	Subtract i from v and return the result.
+ */
+static inline void __atomic_sub(int i, atomic_t *v)
+{
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	vt->counter -= i;
+	__atomic_lock_release();
+}
+
+/*
+ * __atomic_add_return()
+ * 	Add i to v and return the result.
+ *
+ * The implementation here looks rather odd because we appear to be doing
+ * the addition twice.  In fact that's exactly what we're doing but with
+ * the ubicom32 instruction set we can do the inner load and add with two
+ * instructions whereas generating both the atomic result and the "ret"
+ * result requires three instructions.  The second add is generally only as
+ * costly as a move instruction and in cases where we compare the result
+ * with a constant the compiler can fold two constant values and do a
+ * single instruction, thus saving an instruction overall!
+ *
+ * At the worst we save one instruction inside the atomic lock.
+ */
+static inline int __atomic_add_return(int i, atomic_t *v)
+{
+	int ret;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	ret = vt->counter;
+	vt->counter = ret + i;
+	__atomic_lock_release();
+
+	return ret + i;
+}
+
+/*
+ * __atomic_sub_return()
+ * 	Subtract i from v and return the result.
+ *
+ * The implementation here looks rather odd because we appear to be doing
+ * the subtraction twice.  In fact that's exactly what we're doing but with
+ * the ubicom32 instruction set we can do the inner load and sub with two
+ * instructions whereas generating both the atomic result and the "ret"
+ * result requires three instructions.  The second sub is generally only as
+ * costly as a move instruction and in cases where we compare the result
+ * with a constant the compiler can fold two constant values and do a
+ * single instruction, thus saving an instruction overall!
+ *
+ * At the worst we save one instruction inside the atomic lock.
+ */
+static inline int __atomic_sub_return(int i, atomic_t *v)
+{
+	int ret;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	ret = vt->counter;
+	vt->counter = ret - i;
+	__atomic_lock_release();
+
+	return ret - i;
+}
+
+/*
+ * PUBLIC API FOR ATOMIC!
+ */
+#define atomic_add(i,v)	(__atomic_add( ((int)i),(v)))
+#define atomic_sub(i,v)	(__atomic_sub( ((int)i),(v)))
+#define atomic_inc(v)	(__atomic_add(   1,(v)))
+#define atomic_dec(v)	(__atomic_sub(   1,(v)))
+#define atomic_add_return(i,v)	(__atomic_add_return( ((int)i),(v)))
+#define atomic_sub_return(i,v)	(__atomic_sub_return( ((int)i),(v)))
+#define atomic_inc_return(v)	(__atomic_add_return(   1,(v)))
+#define atomic_dec_return(v)	(__atomic_sub_return(   1,(v)))
+#define atomic_inc_and_test(v)	(atomic_inc_return(v) == 0)
+#define atomic_dec_and_test(v)	(atomic_dec_return(v) == 0)
+#define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)
+#define atomic_sub_and_test(i,v)	(atomic_sub_return((i),(v)) == 0)
+
+/*
+ * atomic_read()
+ * 	Acquire the atomic lock and read the variable.
+ */
+static inline int atomic_read(const atomic_t *v)
+{
+	int ret;
+	const atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	ret = vt->counter;
+	__atomic_lock_release();
+
+	return ret;
+}
+
+/*
+ * atomic_set()
+ * 	Acquire the atomic lock and set the variable.
+ */
+static inline void atomic_set(atomic_t *v, int i)
+{
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	vt->counter = i;
+	__atomic_lock_release();
+}
+
+/*
+ * atomic_cmpxchg
+ * 	Acquire the atomic lock and exchange if current == old.
+ */
+static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+{
+	int prev;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	prev = vt->counter;
+	if (prev == old) {
+		vt->counter = new;
+	}
+	__atomic_lock_release();
+
+	return prev;
+}
+
+/*
+ * atomic_xchg()
+ * 	Acquire the atomic lock and exchange values.
+ */
+static inline int atomic_xchg(atomic_t *v, int new)
+{
+	int prev;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	prev = vt->counter;
+	vt->counter = new;
+	__atomic_lock_release();
+
+	return prev;
+}
+
+/*
+ * atomic_add_unless()
+ * 	Acquire the atomic lock and add a unless the value is u.
+ */
+static inline int atomic_add_unless(atomic_t *v, int a, int u)
+{
+	int prev;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	prev = vt->counter;
+	if (prev != u) {
+		vt->counter += a;
+		__atomic_lock_release();
+		return 1;
+	}
+
+	__atomic_lock_release();
+	return 0;
+}
+
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+
+#include <asm-generic/atomic.h>
+
+/*
+ * The following is not a real function.  The compiler should remove the function
+ * call as long as the user does not pass in a size that __xchg and __cmpxchg
+ * are not prepared for.  If the user does pass in an unknown size, the user
+ * will get a link time error.
+ *
+ * The no return is to prevent a compiler error that can occur when dealing with
+ * uninitialized variables. Given that the function doesn't exist there is no
+ * net effect (and if it did it would not return).
+ */
+extern void __xchg_called_with_bad_pointer(void) __attribute__((noreturn));
+
+/*
+ * __xchg()
+ *	Xchange *ptr for x atomically.
+ *
+ * Must be both locally atomic and atomic on SMP. Ubicom32 does not have an
+ * atomic exchange instruction so we use the global atomic_lock.
+ */
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
+{
+	unsigned long ret;
+
+	__atomic_lock_acquire();
+
+	switch (size) {
+	case 1:
+		ret = *(volatile unsigned char *)ptr;
+		*(volatile unsigned char *)ptr = x;
+		break;
+
+	case 2:
+		ret = *(volatile unsigned short *)ptr;
+		*(volatile unsigned short *)ptr = x;
+		break;
+
+	case 4:
+		ret = *(volatile unsigned int *)ptr;
+		*(volatile unsigned int *)ptr = x;
+		break;
+
+	default:
+		__xchg_called_with_bad_pointer();
+		break;
+	}
+	__atomic_lock_release();
+	return ret;
+}
+
+#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+
+/*
+ * __cmpxchg()
+ *	Compare and Xchange *ptr for x atomically.
+ *
+ * Must be both locally atomic and atomic on SMP. Ubicom32 does not have an
+ * atomic exchange instruction so we use the global atomic_lock.
+ */
+static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, unsigned long next, int size)
+{
+	unsigned long prev;
+
+	__atomic_lock_acquire();
+	switch (size) {
+	case 1:
+		prev = *(u8 *)ptr;
+		if (prev == old) {
+			*(u8 *)ptr = (u8)next;
+		}
+		break;
+
+	case 2:
+		prev = *(u16 *)ptr;
+		if (prev == old) {
+			*(u16 *)ptr = (u16)next;
+		}
+		break;
+
+	case 4:
+		prev = *(u32 *)ptr;
+		if (prev == old) {
+			*(u32 *)ptr = (u32)next;
+		}
+		break;
+
+	default:
+		__xchg_called_with_bad_pointer();
+		break;
+	}
+	__atomic_lock_release();
+	return prev;
+}
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n) \
+	((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), (unsigned long)(n), sizeof(*(ptr))))
+
+#define cmpxchg(ptr, o, n) __cmpxchg((ptr), (o), (n), sizeof(*(ptr)))
+
+#define smp_mb__before_atomic_inc() asm volatile ("" : : : "memory")
+#define smp_mb__after_atomic_inc() asm volatile ("" : : : "memory")
+#define smp_mb__before_atomic_dec() asm volatile ("" : : : "memory")
+#define smp_mb__after_atomic_dec() asm volatile ("" : : : "memory")
+
+#endif /* _ASM_UBICOM32_ATOMIC_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/audio.h

@@ -0,0 +1,40 @@
+/*
+ * arch/ubicom32/include/asm/audio.h
+ *	Audio include file
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _AUDIO_H
+#define _AUDIO_H
+
+#include <asm/devtree.h>
+#include <asm/audionode.h>
+
+/*
+ * Resource indices used to access IRQs via platform_get_resource
+ */
+#define AUDIO_MEM_RESOURCE	0
+#define AUDIO_TX_IRQ_RESOURCE	0
+#define AUDIO_RX_IRQ_RESOURCE	1
+
+extern struct platform_device * __init audio_device_alloc(const char *driver_name, const char *node_name, const char *inst_name, int priv_size);
+
+#define audio_device_priv(pdev) (((struct ubi32pcm_platform_data *)(((struct platform_device *)(pdev))->dev.platform_data))->priv_data)
+#endif

target/linux/ubicom32/files/arch/ubicom32/include/asm/audionode.h

@@ -0,0 +1,152 @@
+/*
+ * audionode.h
+ *	audionode and DMA descriptors
+ *
+ * Copyright �© 2009 Ubicom Inc. <www.ubicom.com>.  All rights reserved.
+ *
+ * This file contains confidential information of Ubicom, Inc. and your use of
+ * this file is subject to the Ubicom Software License Agreement distributed with
+ * this file. If you are uncertain whether you are an authorized user or to report
+ * any unauthorized use, please contact Ubicom, Inc. at +1-408-789-2200.
+ * Unauthorized reproduction or distribution of this file is subject to civil and
+ * criminal penalties.
+ *
+ */
+#ifndef _AUDIONODE_H_
+#define _AUDIONODE_H_
+
+#define AUDIO_INT_FLAG_MORE_SAMPLES 0x00000001
+#define AUDIO_INT_FLAG_COMMAND      0x00000002
+
+/*
+ * Commands the Primary OS sends to the audio device
+ */
+enum audio_command {
+	AUDIO_CMD_NONE,
+	AUDIO_CMD_START,
+	AUDIO_CMD_STOP,
+	AUDIO_CMD_PAUSE,
+	AUDIO_CMD_RESUME,
+	AUDIO_CMD_MUTE,
+	AUDIO_CMD_UNMUTE,
+	AUDIO_CMD_SETUP,
+	AUDIO_CMD_ENABLE,
+	AUDIO_CMD_DISABLE,
+};
+
+/*
+ * Flag bits passed in the registers
+ */
+#define CMD_START_FLAG_LE		(1 << 0)	/* Use Little Endian Mode */
+
+/*
+ * Status bits that audio device can set to indicate reason
+ * for interrupting the Primary OS
+ */
+#define AUDIO_STATUS_PLAY_DMA0_REQUEST (1 << 0) /* Audio device needs samples in DMA0 for playback */
+#define AUDIO_STATUS_PLAY_DMA1_REQUEST (1 << 1) /* Audio device needs samples in DMA1 for playback */
+
+struct audio_dma {
+	/*
+	 * NOTE: The active flag shall only be SET by the producer and CLEARED
+	 * by the consumer, NEVER the other way around.  For playback, the
+	 * Primary OS sets this flag and ipAudio clears it.
+	 *
+	 * The producer shall not modify the ptr or ctr fields when the transfer
+	 * is marked as active, as these are used by the consumer to do the
+	 * transfer.
+	 */
+	volatile u32_t active; 		/* Nonzero if data in ptr/ctr ready to be transferred */
+	volatile void *ptr;		/* Pointer to data to be transferred */
+	volatile u32_t ctr; 		/* Counter: number of data units to transfer */
+};
+
+#define AUDIONODE_CAP_BE	(1 << 0)
+#define AUDIONODE_CAP_LE	(1 << 1)
+
+#define AUDIONODE_VERSION	7
+struct audio_node {
+	struct devtree_node dn;
+
+	/*
+	 * Version of this node
+	 */
+	u32_t			version;
+
+	/*
+	 * Pointer to the registers
+	 */
+	struct audio_regs	*regs;
+};
+
+/*
+ * [OCM] Audio registers
+ *	Registers exposed as part of our MMIO area
+ */
+#define AUDIO_REGS_VERSION	7
+struct audio_regs {
+	/*
+	 * Version of this register set
+	 */
+	u32_t version;
+
+	/*
+	 * Interrupt status
+	 */
+	volatile u32_t int_status;
+
+	/*
+	 * Interrupt request
+	 */
+	volatile u32_t int_req;
+
+	/*
+	 * Current IRQ being serviced
+	 */
+	u32_t cur_irq;
+
+	/*
+	 * Maximum number of devices supported
+	 */
+	u32_t max_devs;
+
+	/*
+	 * [DDR] Device registers for each of the devices
+	 */
+	struct audio_dev_regs *adr;
+};
+
+#define AUDIO_DEV_REGS_VERSION 2
+struct audio_dev_regs {
+	u32_t version;					/* Version of this register set */
+
+	u8_t name[32];					/* Name of this driver */
+	u32_t caps;					/* Capabilities of this driver */
+	const u32_t *sample_rates;			/* Sample Rates supported by this driver */
+	u32_t n_sample_rates;				/* Number of sample rates supported by this driver */
+	u32_t channel_mask;				/* A bit set in a particular position means we support this channel configuration */
+	volatile u32_t int_flags;			/* Reason for interrupting audio device */
+	volatile enum audio_command command;	/* Command from Primary OS */
+	volatile u32_t flags;				/* Flag bits for this command */
+	volatile u32_t channels;			/* Number of channels */
+	volatile u32_t sample_rate;			/* Sample rate */
+	volatile u32_t status;				/* Status bits sent from ipAudio to Primary OS */
+	void *primary_os_buffer_ptr;			/*
+							 * Playback: Pointer to next sample to be removed from
+							 *           Primary OS sample buffer
+							 * Capture: Pointer to where next sample will be inserted
+							 *          into Primary OS sample buffer
+							 */
+
+	/*
+	 * These are the transfer requests.  They are used in alternating
+	 * order so that when ipAudio is processing one request, the
+	 * Primary OS can fill in the other one.
+	 *
+	 * NOTE: The active bit shall always be SET by the producer and
+	 * CLEARED by the consumer, NEVER the other way around.
+	 */
+	struct audio_dma dma_xfer_requests[2];
+};
+
+#endif

target/linux/ubicom32/files/arch/ubicom32/include/asm/auxvec.h

@@ -0,0 +1,32 @@
+/*
+ * arch/ubicom32/include/asm/auxvec.h
+ *   Symbolic values for the entries in the auxiliary table
+ *   put on the initial stack.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_AUXVEC_H
+#define _ASM_UBICOM32_AUXVEC_H
+
+#endif /* _ASM_UBICOM32_AUXVEC_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/bitops.h

@@ -0,0 +1,172 @@
+/*
+ * arch/ubicom32/include/asm/bitops.h
+ *   Bit manipulation definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BITOPS_H
+#define _ASM_UBICOM32_BITOPS_H
+
+/*
+ * Copyright 1992, Linus Torvalds.
+ */
+
+#include <linux/compiler.h>
+#include <asm/byteorder.h>	/* swab32 */
+
+#ifdef __KERNEL__
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
+#include <asm-generic/bitops/ffs.h>
+#include <asm-generic/bitops/__ffs.h>
+
+#include <asm-generic/bitops/sched.h>
+#include <asm-generic/bitops/ffz.h>
+
+#include <asm/ubicom32-common.h>
+
+static inline void set_bit(int bit, volatile unsigned long *p)
+{
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	*p |= mask;
+	__atomic_lock_release();
+}
+
+static inline void clear_bit(int bit, volatile unsigned long *p)
+{
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	*p &= ~mask;
+	__atomic_lock_release();
+}
+
+/*
+ * clear_bit() doesn't provide any barrier for the compiler.
+ */
+#define smp_mb__before_clear_bit()	barrier()
+#define smp_mb__after_clear_bit()	barrier()
+
+static inline void change_bit(int bit, volatile unsigned long *p)
+{
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	*p ^= mask;
+	__atomic_lock_release();
+}
+
+static inline int test_and_set_bit(int bit, volatile unsigned long *p)
+{
+	unsigned int res;
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	res = *p;
+	*p = res | mask;
+	__atomic_lock_release();
+
+	return res & mask;
+}
+
+static inline int test_and_clear_bit(int bit, volatile unsigned long *p)
+{
+	unsigned int res;
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	res = *p;
+	*p = res & ~mask;
+	__atomic_lock_release();
+
+	return res & mask;
+}
+
+static inline int test_and_change_bit(int bit, volatile unsigned long *p)
+{
+	unsigned int res;
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	res = *p;
+	*p = res ^ mask;
+	__atomic_lock_release();
+
+	return res & mask;
+}
+
+#include <asm-generic/bitops/non-atomic.h>
+
+/*
+ * This routine doesn't need to be atomic.
+ */
+static inline int __constant_test_bit(int nr, const volatile unsigned long *addr)
+{
+	return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
+}
+
+static inline int __test_bit(int nr, const volatile unsigned long *addr)
+{
+	int 	* a = (int *) addr;
+	int	mask;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	return ((mask & *a) != 0);
+}
+
+#define test_bit(nr,addr) (__builtin_constant_p(nr) ?  __constant_test_bit((nr),(addr)) :  __test_bit((nr),(addr)))
+
+#include <asm-generic/bitops/find.h>
+#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/lock.h>
+
+#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/ext2-atomic.h>
+#include <asm-generic/bitops/minix.h>
+
+#endif /* __KERNEL__ */
+
+#include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
+#include <asm-generic/bitops/fls64.h>
+
+#endif /* _ASM_UBICOM32_BITOPS_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/board.h

@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/board.h
+ *   Board init and revision definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BOARD_H
+#define _ASM_UBICOM32_BOARD_H
+
+extern const char *board_get_revision(void);
+extern void __init board_init(void);
+
+#endif /* _ASM_UBICOM32_BOARD_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/bootargs.h

@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/bootargs.h
+ *   Kernel command line via the devtree API.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BOOTARGS_H
+#define _ASM_UBICOM32_BOOTARGS_H
+
+extern const char *bootargs_get_cmdline(void);
+extern void __init bootargs_init(void);
+
+#endif /* _ASM_UBICOM32_BOOTARGS_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/bootinfo.h

@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/bootinfo.h
+ *   Definitions of firmware boot parameters passed to the kernel.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_BOOTINFO_H
+#define _ASM_UBICOM32_BOOTINFO_H
+
+/* Nothing for ubicom32 */
+
+#endif /* _ASM_UBICOM32_BOOTINFO_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/bug.h

@@ -0,0 +1,95 @@
+/*
+ * arch/ubicom32/include/asm/bug.h
+ *   Generic bug.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BUG_H
+#define _ASM_UBICOM32_BUG_H
+
+#include <linux/kernel.h>
+#include <asm/thread.h>
+
+#if defined(CONFIG_BUG) && defined(CONFIG_STOP_ON_BUG)
+
+/*
+ * BUG()
+ *	Ubicom specific version of the BUG() macro.
+ *
+ * This implementation performs a THREAD_STALL stopping all threads before
+ * calling panic.  This enables a developer to see the "real" state of the
+ * machine (since panic alters the system state).  We do the printf first
+ * because while it is slow, it does not alter system state (like
+ * interrupts).
+ *
+ * TODO: Implement the trap sequence used by other architectures.
+ */
+#define BUG() do { \
+	printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+	THREAD_STALL; \
+	panic("BUG!"); \
+} while (0)
+
+
+/*
+ * __WARN()
+ *	WARN() using printk() for now.
+ *
+ * TODO: Implement the trap sequence used by other architectures.
+ */
+#define __WARN()							\
+	do {								\
+		printk("WARN: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+	} while(0)
+
+/*
+ * WARN_ON()
+ *	Ubicom specific version of the WARN_ON macro.
+ *
+ * This implementation performs a printk for the WARN_ON() instead
+ * of faulting into the kernel and using report_bug().
+ *
+ * TODO: Implement the trap sequence used by other architectures.
+ */
+#define WARN_ON(x) ({						\
+	int __ret_warn_on = !!(x);				\
+	if (__builtin_constant_p(__ret_warn_on)) {		\
+		if (__ret_warn_on)				\
+			__WARN();				\
+	} else {						\
+		if (unlikely(__ret_warn_on))			\
+			__WARN();				\
+	}							\
+	unlikely(__ret_warn_on);				\
+})
+
+
+#define HAVE_ARCH_BUG
+#define HAVE_ARCH_WARN_ON
+
+#endif
+
+#include <asm-generic/bug.h>
+
+#endif /* _ASM_UBICOM32_BUG_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/bugs.h

@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/include/asm/bugs.h
+ *   Definition of check_bugs() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1994  Linus Torvalds
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+/*
+ * This is included by init/main.c to check for architecture-dependent bugs.
+ *
+ * Needs:
+ *	void check_bugs(void);
+ */
+
+#ifndef _ASM_UBICOM32_BUGS_H
+#define _ASM_UBICOM32_BUGS_H
+
+static void check_bugs(void)
+{
+}
+
+#endif /* _ASM_UBICOM32_BUGS_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/byteorder.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/byteorder.h
+ *   Byte order swapping utility routines.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BYTEORDER_H
+#define _ASM_UBICOM32_BYTEORDER_H
+
+#include <linux/byteorder/big_endian.h>
+
+#endif /* _ASM_UBICOM32_BYTEORDER_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/cache.h

@@ -0,0 +1,40 @@
+/*
+ * arch/ubicom32/include/asm/cache.h
+ *   Cache line definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CACHE_H
+#define _ASM_UBICOM32_CACHE_H
+
+/*
+ * bytes per L1 cache line
+ */
+#define L1_CACHE_SHIFT  5
+#define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
+
+#define __cacheline_aligned
+#define ____cacheline_aligned
+
+#endif /* _ASM_UBICOM32_CACHE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/cachectl.h

@@ -0,0 +1,39 @@
+/*
+ * arch/ubicom32/include/asm/cachectl.h
+ *   Ubicom32 cache control definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CACHECTL_H
+#define _ASM_UBICOM32_CACHECTL_H
+
+#include <asm/ip5000.h>
+
+/*
+ * mem_cache_control()
+ *	Special cache control operation
+ */
+extern void mem_cache_control(unsigned long cc, unsigned long begin_addr, unsigned long end_addr, unsigned long op);
+
+#endif /* _ASM_UBICOM32_CACHECTL_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/cacheflush.h

@@ -0,0 +1,111 @@
+/*
+ * arch/ubicom32/include/asm/cacheflush.h
+ *   Cache flushing definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CACHEFLUSH_H
+#define _ASM_UBICOM32_CACHEFLUSH_H
+
+/*
+ * (C) Copyright 2000-2004, Greg Ungerer <[email protected]>
+ */
+#include <linux/mm.h>
+#include <asm/cachectl.h>
+#include <asm/ip5000.h>
+
+#define flush_cache_all()			__flush_cache_all()
+#define flush_cache_mm(mm)			do { } while (0)
+#define flush_cache_dup_mm(mm)			do { } while (0)
+#define flush_cache_range(vma, start, end)	__flush_cache_all()
+#define flush_cache_page(vma, vmaddr)		do { } while (0)
+#define flush_dcache_page(page)			do { } while (0)
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+
+#define flush_dcache_range(start, end)					\
+do {									\
+	/* Flush the data cache and invalidate the I cache. */		\
+	mem_cache_control(DCCR_BASE, start, end, CCR_CTRL_FLUSH_ADDR);	\
+	mem_cache_control(ICCR_BASE, start, end, CCR_CTRL_INV_ADDR);	\
+} while (0)
+
+#define flush_icache_range(start, end)					\
+do {									\
+	/* Flush the data cache and invalidate the I cache. */		\
+	mem_cache_control(DCCR_BASE, start, end, CCR_CTRL_FLUSH_ADDR);	\
+	mem_cache_control(ICCR_BASE, start, end, CCR_CTRL_INV_ADDR);	\
+} while (0)
+
+#define flush_icache_page(vma,pg)		do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
+#define flush_cache_vmap(start, end)		do { } while (0)
+#define flush_cache_vunmap(start, end)		do { } while (0)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+
+/*
+ * Cache handling for IP5000
+ */
+extern inline void mem_cache_invalidate_all(unsigned long cc)
+{
+	if (cc == DCCR_BASE)
+		UBICOM32_LOCK(DCCR_LOCK_BIT);
+	else
+		UBICOM32_LOCK(ICCR_LOCK_BIT);
+
+	asm volatile (
+	"	bset	"D(CCR_CTRL)"(%0), "D(CCR_CTRL)"(%0), #"D(CCR_CTRL_RESET)"	\n\t"
+	"	nop									\n\t"
+	"	bclr	"D(CCR_CTRL)"(%0), "D(CCR_CTRL)"(%0), #"D(CCR_CTRL_RESET)"	\n\t"
+	"	pipe_flush 0								\n\t"
+		:
+		: "a"(cc)
+		: "cc"
+	);
+
+	if (cc == DCCR_BASE)
+		UBICOM32_UNLOCK(DCCR_LOCK_BIT);
+	else
+		UBICOM32_UNLOCK(ICCR_LOCK_BIT);
+
+}
+
+static inline void __flush_cache_all(void)
+{
+	/*
+	 * Flush Icache
+	 */
+	mem_cache_invalidate_all(ICCR_BASE);
+
+	/*
+	 * Flush Dcache
+	 */
+	mem_cache_invalidate_all(DCCR_BASE);
+}
+
+#endif /* _ASM_UBICOM32_CACHEFLUSH_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/checksum.h

@@ -0,0 +1,149 @@
+/*
+ * arch/ubicom32/include/asm/checksum.h
+ *   Checksum utilities for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CHECKSUM_H
+#define _ASM_UBICOM32_CHECKSUM_H
+
+#include <linux/in6.h>
+
+/*
+ * computes the checksum of a memory block at buff, length len,
+ * and adds in "sum" (32-bit)
+ *
+ * returns a 32-bit number suitable for feeding into itself
+ * or csum_tcpudp_magic
+ *
+ * this function must be called with even lengths, except
+ * for the last fragment, which may be odd
+ *
+ * it's best to have buff aligned on a 32-bit boundary
+ */
+__wsum csum_partial(const void *buff, int len, __wsum sum);
+
+/*
+ * the same as csum_partial, but copies from src while it
+ * checksums
+ *
+ * here even more important to align src and dst on a 32-bit (or even
+ * better 64-bit) boundary
+ */
+
+__wsum csum_partial_copy_nocheck(const void *src, void *dst,
+	int len, __wsum sum);
+
+
+/*
+ * the same as csum_partial_copy, but copies from user space.
+ *
+ * here even more important to align src and dst on a 32-bit (or even
+ * better 64-bit) boundary
+ */
+
+extern __wsum csum_partial_copy_from_user(const void __user *src,
+	void *dst, int len, __wsum sum, int *csum_err);
+
+__sum16 ip_fast_csum(const void *iph, unsigned int ihl);
+
+/*
+ *	Fold a partial checksum
+ */
+
+static inline __sum16 csum_fold(__wsum sum)
+{
+	asm volatile (
+	"	lsr.4	d15, %0, #16	\n\t"
+	"	bfextu	%0, %0, #16	\n\t"
+	"	add.4	%0, d15, %0	\n\t"
+	"	lsr.4	d15, %0, #16	\n\t"
+	"	bfextu	%0, %0, #16	\n\t"
+	"	add.4	%0, d15, %0	\n\t"
+		: "=&d" (sum)
+		: "0"(sum)
+		: "d15"
+	);
+	return (__force __sum16)~sum;
+}
+
+
+/*
+ * computes the checksum of the TCP/UDP pseudo-header
+ * returns a 16-bit checksum, already complemented
+ */
+
+static inline __wsum
+csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+		  unsigned short proto, __wsum sum)
+{
+	asm volatile (
+	"	add.4	%0, %2, %0	\n\t"
+	"	addc	%0, %3, %0	\n\t"
+	"	addc	%0, %4, %0	\n\t"
+	"	addc	%0, %5, %0	\n\t"
+	"	addc	%0, #0, %0	\n\t"
+		: "=&d" (sum)
+		: "0"(sum), "r" (saddr), "r" (daddr), "r" (len), "r"(proto)
+	);
+	return sum;
+}
+
+static inline __sum16
+csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
+		  unsigned short proto, __wsum sum)
+{
+	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
+}
+
+/*
+ * this routine is used for miscellaneous IP-like checksums, mainly
+ * in icmp.c
+ */
+extern __sum16 ip_compute_csum(const void *buff, int len);
+
+#define _HAVE_ARCH_IPV6_CSUM
+
+static __inline__ __sum16
+csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr,
+		__u32 len, unsigned short proto, __wsum sum)
+{
+	asm volatile (
+	"	add.4	%0, 0(%2), %0	\n\t"
+	"	addc	%0, 4(%2), %0	\n\t"
+	"	addc	%0, 8(%2), %0	\n\t"
+	"	addc	%0, 12(%2), %0	\n\t"
+	"	addc	%0, 0(%3), %0	\n\t"
+	"	addc	%0, 4(%3), %0	\n\t"
+	"	addc	%0, 8(%3), %0	\n\t"
+	"	addc	%0, 12(%3), %0	\n\t"
+	"	addc	%0, %4, %0	\n\t"
+	"	addc	%0, #0, %0	\n\t"
+		: "=&d" (sum)
+		: "0" (sum), "a" (saddr), "a" (daddr), "d" (len + proto)
+	);
+	return csum_fold(sum);
+}
+
+#endif /* _ASM_UBICOM32_CHECKSUM_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/cpu.h

@@ -0,0 +1,45 @@
+/*
+ * arch/ubicom32/include/asm/cpu.h
+ *   CPU definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004-2005 ARM Ltd.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CPU_H
+#define _ASM_UBICOM32_CPU_H
+
+#include <linux/percpu.h>
+
+struct cpuinfo_ubicom32 {
+	unsigned long tid;			/* Hardware thread number */
+
+#ifdef CONFIG_SMP
+	volatile unsigned long ipi_pending;	/* Bit map of operations to execute */
+	unsigned long ipi_count;		/* Number of IPI(s) taken on this cpu */
+#endif
+};
+
+DECLARE_PER_CPU(struct cpuinfo_ubicom32, cpu_data);
+
+#endif /* _ASM_UBICOM32_CPU_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/cputime.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/cputime.h
+ *   Generic cputime.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CPUTIME_H
+#define _ASM_UBICOM32_CPUTIME_H
+
+#include <asm-generic/cputime.h>
+
+#endif /* _ASM_UBICOM32_CPUTIME_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/current.h

@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/include/asm/current.h
+ *   Definition of get_current() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * (C) Copyright 2000, Lineo, David McCullough <[email protected]>
+ * (C) Copyright 2002, Greg Ungerer ([email protected])
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CURRENT_H
+#define _ASM_UBICOM32_CURRENT_H
+
+#include <linux/thread_info.h>
+
+struct task_struct;
+
+static inline struct task_struct *get_current(void)
+{
+	return(current_thread_info()->task);
+}
+
+#define	current	get_current()
+
+#endif /* _ASM_UBICOM32_CURRENT_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/delay.h

@@ -0,0 +1,75 @@
+/*
+ * arch/ubicom32/include/asm/delay.h
+ *   Definition of delay routines for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DELAY_H
+#define _ASM_UBICOM32_DELAY_H
+
+#include <asm/param.h>
+#include <asm/ip5000.h>
+
+static inline void __delay(unsigned long loops)
+{
+	if (loops == 0) {
+		return;
+	}
+
+	asm volatile (
+	"1:	add.4	%0, #-1, %0		\n\t"
+	"	jmpne.t	1b			\n\t"
+	: "+d" (loops)
+	);
+}
+
+/*
+ *	Ubicom32 processor uses fixed 12MHz external OSC.
+ *	So we use that as reference to count 12 cycles/us
+ */
+
+extern unsigned long loops_per_jiffy;
+
+static inline void _udelay(unsigned long usecs)
+{
+#if defined(CONFIG_UBICOM32_V4) || defined(CONFIG_UBICOM32_V3)
+	asm volatile (
+		"	add.4		d15, 0(%0), %1			\n\t"
+		"	sub.4		#0, 0(%0), d15			\n\t"
+		"	jmpmi.w.f	.-4				\n\t"
+		:
+		: "a"(TIMER_BASE + TIMER_MPTVAL), "d"(usecs * (12000000/1000000))
+		: "d15"
+	);
+#else
+	BUG();
+#endif
+}
+
+/*
+ *	Moved the udelay() function into library code, no longer inlined.
+ */
+extern void udelay(unsigned long usecs);
+
+#endif /* _ASM_UBICOM32_DELAY_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/device.h

@@ -0,0 +1,35 @@
+/*
+ * arch/ubicom32/include/asm/device.h
+ *   Generic device.h for Ubicom32 architecture.
+ *
+ *   Used for arch specific extensions to struct device
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DEVICE_H
+#define _ASM_UBICOM32_DEVICE_H
+
+#include <asm-generic/device.h>
+
+#endif /* _ASM_UBICOM32_DEVICE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/devtree.h

@@ -0,0 +1,52 @@
+/*
+ * arch/ubicom32/include/asm/devtree.h
+ *   Device Tree Header File (Shared between ultra and the Host OS)
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_DEVTREE_H
+#define _ASM_UBICOM32_DEVTREE_H
+
+#define DEVTREE_MAX_NAME 32
+#define DEVTREE_IRQ_NONE 0xff
+#define DEVTREE_IRQ_DONTCARE 0xff
+#define DEVTREE_NODE_MAGIC 0x10203040
+
+struct devtree_node {
+	struct devtree_node *next;
+	unsigned char sendirq;
+	unsigned char recvirq;
+	char name[DEVTREE_MAX_NAME];
+	unsigned int magic;
+};
+
+extern struct devtree_node *devtree;
+extern struct devtree_node *devtree_find_by_irq(uint8_t sendirq, uint8_t recvirq);
+extern struct devtree_node *devtree_find_node(const char *str);
+extern struct devtree_node *devtree_find_next(struct devtree_node **cur);
+extern int devtree_irq(struct devtree_node *dn, unsigned char *sendirq, unsigned char *recvirq);
+extern void devtree_print(void);
+
+#endif /* _ASM_UBICOM32_DEVTREE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/div64.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/div64.h
+ *   Generic div64.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DIV64_H
+#define _ASM_UBICOM32_DIV64_H
+
+#include <asm-generic/div64.h>
+
+#endif /* _ASM_UBICOM32_DIV64_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/dma-mapping.h

@@ -0,0 +1,328 @@
+/*
+ * arch/ubicom32/include/asm/dma-mapping.h
+ *   Generic dma-mapping.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DMA_MAPPING_H
+#define _ASM_UBICOM32_DMA_MAPPING_H
+
+#include <linux/scatterlist.h>
+#ifdef CONFIG_PCI
+
+/* we implement the API below in terms of the existing PCI one,
+ * so include it */
+#include <linux/pci.h>
+/* need struct page definitions */
+#include <linux/mm.h>
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_dma_supported(to_pci_dev(dev), mask);
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		   gfp_t flag)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		    dma_addr_t dma_handle)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+		 enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+	     unsigned long offset, size_t size,
+	     enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+	   enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+	     enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+			enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
+				    size, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+			   enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
+				       size, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+		    enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+		       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline int
+dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return pci_dma_mapping_error(to_pci_dev(dev), dma_addr);
+}
+
+
+#else
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+	return 0;
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+	BUG();
+	return 0;
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		   gfp_t flag)
+{
+	BUG();
+	return NULL;
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		    dma_addr_t dma_handle)
+{
+	BUG();
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+		 enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+	     unsigned long offset, size_t size,
+	     enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+	   enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+	     enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+			enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+			   enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+		    enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+		       enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline int
+dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return 0;
+}
+
+#endif
+
+/* Now for the API extensions over the pci_ one */
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d, h)	(1)
+
+static inline int
+dma_get_cache_alignment(void)
+{
+	/* no easy way to get cache size on all processors, so return
+	 * the maximum possible, to be safe */
+	return (1 << INTERNODE_CACHE_SHIFT);
+}
+
+static inline void
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
+			      unsigned long offset, size_t size,
+			      enum dma_data_direction direction)
+{
+	/* just sync everything, that's all the pci API can do */
+	dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
+				 unsigned long offset, size_t size,
+				 enum dma_data_direction direction)
+{
+	/* just sync everything, that's all the pci API can do */
+	dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+	       enum dma_data_direction direction)
+{
+	/* could define this in terms of the dma_cache ... operations,
+	 * but if you get this on a platform, you should convert the platform
+	 * to using the generic device DMA API */
+	BUG();
+}
+
+#endif /* _ASM_UBICOM32_DMA_MAPPING_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/dma.h

@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/dma.h
+ *   DMA definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DMA_H
+#define _ASM_UBICOM32_DMA_H
+
+/* Nothing so far */
+#define MAX_DMA_ADDRESS 0x00	/* This is quite suspicious */
+
+#endif /* _ASM_UBICOM32_DMA_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/elf.h

@@ -0,0 +1,173 @@
+/*
+ * arch/ubicom32/include/asm/elf.h
+ *   Definitions for elf executable format for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ELF_H
+#define _ASM_UBICOM32_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+/*
+ * Processor specific flags for the ELF header e_flags field.
+ */
+#define EF_UBICOM32_V3		0x00000001	/* -fmarch=ubicom32v3 */
+#define EF_UBICOM32_V4		0x00000002	/* -fmarch=ubicom32v4 */
+#define EF_UBICOM32_PIC		0x80000000	/* -fpic */
+#define EF_UBICOM32_FDPIC	0x40000000	/* -mfdpic */
+
+/*
+ * Ubicom32 ELF relocation types
+ */
+#define R_UBICOM32_NONE			0
+#define R_UBICOM32_16			1
+#define R_UBICOM32_32			2
+#define R_UBICOM32_LO16			3
+#define R_UBICOM32_HI16			4
+#define R_UBICOM32_21_PCREL		5
+#define R_UBICOM32_24_PCREL		6
+#define R_UBICOM32_HI24			7
+#define R_UBICOM32_LO7_S		8
+#define R_UBICOM32_LO7_2_S		9
+#define R_UBICOM32_LO7_4_S		10
+#define R_UBICOM32_LO7_D		11
+#define R_UBICOM32_LO7_2_D		12
+#define R_UBICOM32_LO7_4_D		13
+#define R_UBICOM32_32_HARVARD		14
+#define R_UBICOM32_LO7_CALLI		15
+#define R_UBICOM32_LO16_CALLI		16
+#define R_UBICOM32_GOT_HI24		17
+#define R_UBICOM32_GOT_LO7_S		18
+#define R_UBICOM32_GOT_LO7_2_S		19
+#define R_UBICOM32_GOT_LO7_4_S		20
+#define R_UBICOM32_GOT_LO7_D		21
+#define R_UBICOM32_GOT_LO7_2_D		22
+#define R_UBICOM32_GOT_LO7_4_D		23
+#define R_UBICOM32_FUNCDESC_GOT_HI24    24
+#define R_UBICOM32_FUNCDESC_GOT_LO7_S   25
+#define R_UBICOM32_FUNCDESC_GOT_LO7_2_S 26
+#define R_UBICOM32_FUNCDESC_GOT_LO7_4_S 27
+#define R_UBICOM32_FUNCDESC_GOT_LO7_D   28
+#define R_UBICOM32_FUNCDESC_GOT_LO7_2_D 29
+#define R_UBICOM32_FUNCDESC_GOT_LO7_4_D 30
+#define R_UBICOM32_GOT_LO7_CALLI        31
+#define R_UBICOM32_FUNCDESC_GOT_LO7_CALLI 32
+#define R_UBICOM32_FUNCDESC_VALUE       33
+#define R_UBICOM32_FUNCDESC             34
+#define R_UBICOM32_GOTOFFSET_LO         35
+#define R_UBICOM32_GOTOFFSET_HI         36
+#define R_UBICOM32_FUNCDESC_GOTOFFSET_LO 37
+#define R_UBICOM32_FUNCDESC_GOTOFFSET_HI 38
+#define R_UBICOM32_GNU_VTINHERIT        200
+#define R_UBICOM32_GNU_VTENTRY          201
+
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct user_ubicom32fp_struct elf_fpregset_t;
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ((x)->e_machine == EM_UBICOM32)
+
+#define elf_check_fdpic(x) ((x)->e_flags & EF_UBICOM32_FDPIC)
+
+#define elf_check_const_displacement(x) ((x)->e_flags & EF_UBICOM32_PIC)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS32
+#define ELF_DATA	ELFDATA2MSB
+#define ELF_ARCH	EM_UBICOM32
+
+/* For SVR4/m68k the function pointer to be registered with `atexit' is
+   passed in %a1.  Although my copy of the ABI has no such statement, it
+   is actually used on ASV.  */
+#define ELF_PLAT_INIT(_r, load_addr)	_r->a1 = 0
+
+#define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr,	\
+			    _dynamic_addr)				\
+	do {								\
+		_regs->dn[1]	= _exec_map_addr;			\
+		_regs->dn[2]	= _interp_map_addr;			\
+		_regs->dn[3]	= _dynamic_addr;			\
+		_regs->an[1]	= 0; /* dl_fini will be set by ldso */	\
+	} while (0)
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE	4096
+
+#ifdef __KERNEL__
+#ifdef CONFIG_UBICOM32_V4
+#define ELF_FDPIC_CORE_EFLAGS	(EF_UBICOM32_FDPIC | EF_UBICOM32_V4)
+#elif defined CONFIG_UBICOM32_V3
+#define ELF_FDPIC_CORE_EFLAGS	(EF_UBICOM32_FDPIC | EF_UBICOM32_V3)
+#else
+#error Unknown/Unsupported ubicom32 architecture.
+#endif
+#endif
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+   use of this is to invoke "./ld.so someprog" to test out a new version of
+   the loader.  We need to make sure that it is out of the way of the program
+   that it will "exec", and that there is sufficient room for the brk.  */
+
+#define ELF_ET_DYN_BASE         0xD0000000UL
+
+/*
+ * For Ubicom32, the elf_gregset_t and struct pt_regs are the same size
+ * data structure so a copy is performed instead of providing the
+ * ELF_CORE_COPY_REGS macro.
+ */
+
+/*
+ * ELF_CORE_COPY_TASK_REGS is needed to dump register state from multi threaded user projects.
+ */
+extern int dump_task_regs(struct task_struct *, elf_gregset_t *);
+#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
+
+/* This yields a mask that user programs can use to figure out what
+   instruction set this cpu supports.  */
+
+#define ELF_HWCAP	(0)
+
+/* This yields a string that ld.so will use to load implementation
+   specific libraries for optimization.  This is more specific in
+   intent than poking at uname or /proc/cpuinfo.  */
+
+#define ELF_PLATFORM  (NULL)
+
+#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
+
+#endif /* _ASM_UBICOM32_ELF_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/emergency-restart.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/emergency-restart.h
+ *   Generic emergency-restart.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_EMERGENCY_RESTART_H
+#define _ASM_UBICOM32_EMERGENCY_RESTART_H
+
+#include <asm-generic/emergency-restart.h>
+
+#endif /* _ASM_UBICOM32_EMERGENCY_RESTART_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/entry.h

@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/entry.h
+ *   Entry register/stack definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ENTRY_H
+#define _ASM_UBICOM32_ENTRY_H
+
+#include <asm/setup.h>
+#include <asm/page.h>
+
+#endif /* _ASM_UBICOM32_ENTRY_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/errno.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/errno.h
+ *   Generic errno.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ERRNO_H
+#define _ASM_UBICOM32_ERRNO_H
+
+#include <asm-generic/errno.h>
+
+#endif /* _ASM_UBICOM32_ERRNO_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/fb.h

@@ -0,0 +1,39 @@
+/*
+ * arch/ubicom32/include/asm/fb.h
+ *   Definition of fb_is_primary_device() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FB_H
+#define _ASM_UBICOM32_FB_H
+#include <linux/fb.h>
+
+#define fb_pgprotect(...) do {} while (0)
+
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+	return 0;
+}
+
+#endif /* _ASM_UBICOM32_FB_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/fcntl.h

@@ -0,0 +1,38 @@
+/*
+ * arch/ubicom32/include/asm/fcntl.h
+ *   File control bit definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FCNTL_H
+#define _ASM_UBICOM32_FCNTL_H
+
+#define O_DIRECTORY	040000	/* must be a directory */
+#define O_NOFOLLOW	0100000	/* don't follow links */
+#define O_DIRECT	0200000	/* direct disk access hint - currently ignored */
+#define O_LARGEFILE	0400000
+
+#include <asm-generic/fcntl.h>
+
+#endif /* _ASM_UBICOM32_FCNTL_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/flat.h

@@ -0,0 +1,73 @@
+/*
+ * arch/ubicom32/include/asm/flat.h
+ *   Definitions to support flat-format executables.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_FLAT_H
+#define _ASM_UBICOM32_FLAT_H
+
+#define ARCH_FLAT_ALIGN 0x80
+#define ARCH_FLAT_ALIGN_TEXT 1
+
+#define  R_UBICOM32_32		2
+#define  R_UBICOM32_HI24	7
+#define  R_UBICOM32_LO7_S	8
+#define  R_UBICOM32_LO7_2_S	9
+#define  R_UBICOM32_LO7_4_S	10
+#define  R_UBICOM32_LO7_D	11
+#define  R_UBICOM32_LO7_2_D	12
+#define  R_UBICOM32_LO7_4_D	13
+#define  R_UBICOM32_LO7_CALLI	15
+#define  R_UBICOM32_LO16_CALLI	16
+
+extern void ubicom32_flat_put_addr_at_rp(unsigned long *rp, u32_t val, u32_t rval, unsigned long  *p);
+extern unsigned long ubicom32_flat_get_addr_from_rp(unsigned long *rp, u32_t relval, u32_t flags, unsigned long *p);
+
+#define	flat_stack_align(sp)			/* nothing needed */
+#define	flat_argvp_envp_on_stack()		1
+#define	flat_old_ram_flag(flags)		(flags)
+#define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
+#define	flat_get_addr_from_rp(rp, relval, flags, p)	(ubicom32_flat_get_addr_from_rp(rp, relval,flags, p))
+#define	flat_put_addr_at_rp(rp, val, relval)	do {ubicom32_flat_put_addr_at_rp(rp, val, relval, &persistent);} while(0)
+#define	flat_get_relocate_addr(rel)		((persistent) ? (persistent & 0x07ffffff) : (rel & 0x07ffffff))
+
+static inline int flat_set_persistent(unsigned int relval, unsigned long *p)
+{
+	if (*p) {
+		return 0;
+	} else {
+		if ((relval >> 27) != R_UBICOM32_32) {
+			/*
+			 * Something other than UBICOM32_32. The next entry has the relocation.
+			 */
+			*p = relval;
+			return 1;
+		}
+	}
+	return 0;
+}
+
+#endif /* _ASM_UBICOM32_FLAT_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/fpu.h

@@ -0,0 +1,37 @@
+/*
+ * arch/ubicom32/include/asm/fpu.h
+ *   Floating point state definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FPU_H
+#define _ASM_UBICOM32_FPU_H
+
+/*
+ * MAX floating point unit state size (FSAVE/FRESTORE)
+ */
+/* No FP unit present then... */
+#define FPSTATESIZE (2) /* dummy size */
+
+#endif /* _ASM_UBICOM32_FPU_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ftrace.h

@@ -0,0 +1 @@
+/* empty */

target/linux/ubicom32/files/arch/ubicom32/include/asm/futex.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/futex.h
+ *   Generic futex.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FUTEX_H
+#define _ASM_UBICOM32_FUTEX_H
+
+#include <asm-generic/futex.h>
+
+#endif /* _ASM_UBICOM32_FUTEX_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/gpio.h

@@ -0,0 +1,453 @@
+/*
+ * arch/ubicom32/include/asm/gpio.h
+ *   Definitions for GPIO operations on Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_GPIO_H
+#define _ASM_UBICOM32_GPIO_H
+
+#include <linux/compiler.h>
+#include <asm/irq.h>
+
+#include <asm/ip5000.h>
+
+#define ARCH_NR_GPIOS	         512
+#define MAX_UBICOM_ONCHIP_GPIO   (9 * 32)
+
+/*
+ * Macros for manipulating GPIO numbers
+ */
+#define gpio_bit(gn)			(1 << (gn & 0x1f))
+#define gpio_bank(gn)			(gn >> 5)
+
+#define gpio_pin_index(gn)		(gn & 0x1f)
+#define gpio_port_index(gn)		(gn >> 5)
+
+#define GPIO_RA_0    ((32 * 0) + 0)
+#define GPIO_RA_1    ((32 * 0) + 1)
+#define GPIO_RA_2    ((32 * 0) + 2)
+#define GPIO_RA_3    ((32 * 0) + 3)
+#define GPIO_RA_4    ((32 * 0) + 4)
+#define GPIO_RA_5    ((32 * 0) + 5)
+#define GPIO_RA_6    ((32 * 0) + 6)
+#define GPIO_RA_7    ((32 * 0) + 7)
+
+#define GPIO_RB_0    ((32 * 1) + 0)
+#define GPIO_RB_1    ((32 * 1) + 1)
+#define GPIO_RB_2    ((32 * 1) + 2)
+#define GPIO_RB_3    ((32 * 1) + 3)
+#define GPIO_RB_4    ((32 * 1) + 4)
+#define GPIO_RB_5    ((32 * 1) + 5)
+#define GPIO_RB_6    ((32 * 1) + 6)
+#define GPIO_RB_7    ((32 * 1) + 7)
+#define GPIO_RB_8    ((32 * 1) + 8)
+#define GPIO_RB_9    ((32 * 1) + 9)
+#define GPIO_RB_10   ((32 * 1) + 10)
+#define GPIO_RB_11   ((32 * 1) + 11)
+#define GPIO_RB_12   ((32 * 1) + 12)
+#define GPIO_RB_13   ((32 * 1) + 13)
+#define GPIO_RB_14   ((32 * 1) + 14)
+#define GPIO_RB_15   ((32 * 1) + 15)
+#define GPIO_RB_16   ((32 * 1) + 16)
+#define GPIO_RB_17   ((32 * 1) + 17)
+#define GPIO_RB_18   ((32 * 1) + 18)
+#define GPIO_RB_19   ((32 * 1) + 19)
+
+#define GPIO_RC_0    ((32 * 2) + 0)
+#define GPIO_RC_1    ((32 * 2) + 1)
+#define GPIO_RC_2    ((32 * 2) + 2)
+#define GPIO_RC_3    ((32 * 2) + 3)
+#define GPIO_RC_4    ((32 * 2) + 4)
+#define GPIO_RC_5    ((32 * 2) + 5)
+#define GPIO_RC_6    ((32 * 2) + 6)
+#define GPIO_RC_7    ((32 * 2) + 7)
+#define GPIO_RC_8    ((32 * 2) + 8)
+#define GPIO_RC_9    ((32 * 2) + 9)
+#define GPIO_RC_10   ((32 * 2) + 10)
+#define GPIO_RC_11   ((32 * 2) + 11)
+#define GPIO_RC_12   ((32 * 2) + 12)
+#define GPIO_RC_13   ((32 * 2) + 13)
+#define GPIO_RC_14   ((32 * 2) + 14)
+#define GPIO_RC_15   ((32 * 2) + 15)
+#define GPIO_RC_16   ((32 * 2) + 16)
+#define GPIO_RC_17   ((32 * 2) + 17)
+#define GPIO_RC_18   ((32 * 2) + 18)
+#define GPIO_RC_19   ((32 * 2) + 19)
+#define GPIO_RC_20   ((32 * 2) + 20)
+#define GPIO_RC_21   ((32 * 2) + 21)
+#define GPIO_RC_22   ((32 * 2) + 22)
+#define GPIO_RC_23   ((32 * 2) + 23)
+#define GPIO_RC_24   ((32 * 2) + 24)
+#define GPIO_RC_25   ((32 * 2) + 25)
+#define GPIO_RC_26   ((32 * 2) + 26)
+#define GPIO_RC_27   ((32 * 2) + 27)
+#define GPIO_RC_28   ((32 * 2) + 28)
+#define GPIO_RC_29   ((32 * 2) + 29)
+#define GPIO_RC_30   ((32 * 2) + 30)
+#define GPIO_RC_31   ((32 * 2) + 31)
+
+#define GPIO_RD_0    ((32 * 3) + 0)
+#define GPIO_RD_1    ((32 * 3) + 1)
+#define GPIO_RD_2    ((32 * 3) + 2)
+#define GPIO_RD_3    ((32 * 3) + 3)
+#define GPIO_RD_4    ((32 * 3) + 4)
+#define GPIO_RD_5    ((32 * 3) + 5)
+#define GPIO_RD_6    ((32 * 3) + 6)
+#define GPIO_RD_7    ((32 * 3) + 7)
+#define GPIO_RD_8    ((32 * 3) + 8)
+#define GPIO_RD_9    ((32 * 3) + 9)
+#define GPIO_RD_10   ((32 * 3) + 10)
+#define GPIO_RD_11   ((32 * 3) + 11)
+
+#define GPIO_RE_0    ((32 * 4) + 0)
+#define GPIO_RE_1    ((32 * 4) + 1)
+#define GPIO_RE_2    ((32 * 4) + 2)
+#define GPIO_RE_3    ((32 * 4) + 3)
+#define GPIO_RE_4    ((32 * 4) + 4)
+#define GPIO_RE_5    ((32 * 4) + 5)
+#define GPIO_RE_6    ((32 * 4) + 6)
+#define GPIO_RE_7    ((32 * 4) + 7)
+
+#define GPIO_RF_0    ((32 * 5) + 0)
+#define GPIO_RF_1    ((32 * 5) + 1)
+#define GPIO_RF_2    ((32 * 5) + 2)
+#define GPIO_RF_3    ((32 * 5) + 3)
+#define GPIO_RF_4    ((32 * 5) + 4)
+#define GPIO_RF_5    ((32 * 5) + 5)
+#define GPIO_RF_6    ((32 * 5) + 6)
+#define GPIO_RF_7    ((32 * 5) + 7)
+#define GPIO_RF_8    ((32 * 5) + 8)
+#define GPIO_RF_9    ((32 * 5) + 9)
+#define GPIO_RF_10   ((32 * 5) + 10)
+#define GPIO_RF_11   ((32 * 5) + 11)
+#define GPIO_RF_12   ((32 * 5) + 12)
+#define GPIO_RF_13   ((32 * 5) + 13)
+#define GPIO_RF_14   ((32 * 5) + 14)
+#define GPIO_RF_15   ((32 * 5) + 15)
+
+#define GPIO_RG_0    ((32 * 6) + 0)
+#define GPIO_RG_1    ((32 * 6) + 1)
+#define GPIO_RG_2    ((32 * 6) + 2)
+#define GPIO_RG_3    ((32 * 6) + 3)
+#define GPIO_RG_4    ((32 * 6) + 4)
+#define GPIO_RG_5    ((32 * 6) + 5)
+#define GPIO_RG_6    ((32 * 6) + 6)
+#define GPIO_RG_7    ((32 * 6) + 7)
+#define GPIO_RG_8    ((32 * 6) + 8)
+#define GPIO_RG_9    ((32 * 6) + 9)
+#define GPIO_RG_10   ((32 * 6) + 10)
+#define GPIO_RG_11   ((32 * 6) + 11)
+#define GPIO_RG_12   ((32 * 6) + 12)
+#define GPIO_RG_13   ((32 * 6) + 13)
+#define GPIO_RG_14   ((32 * 6) + 14)
+#define GPIO_RG_15   ((32 * 6) + 15)
+#define GPIO_RG_16   ((32 * 6) + 16)
+#define GPIO_RG_17   ((32 * 6) + 17)
+#define GPIO_RG_18   ((32 * 6) + 18)
+#define GPIO_RG_19   ((32 * 6) + 19)
+#define GPIO_RG_20   ((32 * 6) + 20)
+#define GPIO_RG_21   ((32 * 6) + 21)
+#define GPIO_RG_22   ((32 * 6) + 22)
+#define GPIO_RG_23   ((32 * 6) + 23)
+#define GPIO_RG_24   ((32 * 6) + 24)
+#define GPIO_RG_25   ((32 * 6) + 25)
+#define GPIO_RG_26   ((32 * 6) + 26)
+#define GPIO_RG_27   ((32 * 6) + 27)
+#define GPIO_RG_28   ((32 * 6) + 28)
+#define GPIO_RG_29   ((32 * 6) + 29)
+#define GPIO_RG_30   ((32 * 6) + 30)
+#define GPIO_RG_31   ((32 * 6) + 31)
+
+#define GPIO_RH_0    ((32 * 7) + 0)
+#define GPIO_RH_1    ((32 * 7) + 1)
+#define GPIO_RH_2    ((32 * 7) + 2)
+#define GPIO_RH_3    ((32 * 7) + 3)
+#define GPIO_RH_4    ((32 * 7) + 4)
+#define GPIO_RH_5    ((32 * 7) + 5)
+#define GPIO_RH_6    ((32 * 7) + 6)
+#define GPIO_RH_7    ((32 * 7) + 7)
+#define GPIO_RH_8    ((32 * 7) + 8)
+#define GPIO_RH_9    ((32 * 7) + 9)
+
+#define GPIO_RI_0    ((32 * 8) + 0)
+#define GPIO_RI_1    ((32 * 8) + 1)
+#define GPIO_RI_2    ((32 * 8) + 2)
+#define GPIO_RI_3    ((32 * 8) + 3)
+#define GPIO_RI_4    ((32 * 8) + 4)
+#define GPIO_RI_5    ((32 * 8) + 5)
+#define GPIO_RI_6    ((32 * 8) + 6)
+#define GPIO_RI_7    ((32 * 8) + 7)
+#define GPIO_RI_8    ((32 * 8) + 8)
+#define GPIO_RI_9    ((32 * 8) + 9)
+#define GPIO_RI_10   ((32 * 8) + 10)
+#define GPIO_RI_11   ((32 * 8) + 11)
+#define GPIO_RI_12   ((32 * 8) + 12)
+#define GPIO_RI_13   ((32 * 8) + 13)
+#define GPIO_RI_14   ((32 * 8) + 14)
+#define GPIO_RI_15   ((32 * 8) + 15)
+
+/*
+ * The following section defines extra GPIO available to some boards.
+ * These GPIO are generally external to the processor (i.e. SPI/I2C
+ * expander chips).
+ *
+ * Note that these defines show all possible GPIO available, however,
+ * depending on the actual board configuration, some GPIO are not
+ * available for use.
+ */
+#ifdef CONFIG_IP7500MEDIA
+/*
+ * U15
+ */
+#define IP7500MEDIA_U15_BASE	(32 * 10)
+#define IP7500MEDIA_IO0		(IP7500MEDIA_U15_BASE + 0)
+#define IP7500MEDIA_IO1		(IP7500MEDIA_U15_BASE + 1)
+#define IP7500MEDIA_IO2		(IP7500MEDIA_U15_BASE + 2)
+#define IP7500MEDIA_IO3		(IP7500MEDIA_U15_BASE + 3)
+#define IP7500MEDIA_IO4		(IP7500MEDIA_U15_BASE + 4)
+#define IP7500MEDIA_IO5		(IP7500MEDIA_U15_BASE + 5)
+#define IP7500MEDIA_IO6		(IP7500MEDIA_U15_BASE + 6)
+#define IP7500MEDIA_IO7		(IP7500MEDIA_U15_BASE + 7)
+
+/*
+ * U16
+ */
+#define IP7500MEDIA_U16_BASE	(32 * 11)
+#define IP7500MEDIA_IO8		(IP7500MEDIA_U16_BASE + 0)
+#define IP7500MEDIA_IO9		(IP7500MEDIA_U16_BASE + 1)
+#define IP7500MEDIA_IO10	(IP7500MEDIA_U16_BASE + 2)
+#define IP7500MEDIA_IO11	(IP7500MEDIA_U16_BASE + 3)
+#define IP7500MEDIA_IO12	(IP7500MEDIA_U16_BASE + 4)
+#define IP7500MEDIA_IO13	(IP7500MEDIA_U16_BASE + 5)
+#define IP7500MEDIA_IO14	(IP7500MEDIA_U16_BASE + 6)
+#define IP7500MEDIA_IO15	(IP7500MEDIA_U16_BASE + 7)
+
+/*
+ * U17
+ */
+#define IP7500MEDIA_U17_BASE	(32 * 12)
+#define IP7500MEDIA_IO16	(IP7500MEDIA_U17_BASE + 0)
+#define IP7500MEDIA_IO17	(IP7500MEDIA_U17_BASE + 1)
+#define IP7500MEDIA_IO18	(IP7500MEDIA_U17_BASE + 2)
+#define IP7500MEDIA_IO19	(IP7500MEDIA_U17_BASE + 3)
+#define IP7500MEDIA_IO20	(IP7500MEDIA_U17_BASE + 4)
+#define IP7500MEDIA_IO21	(IP7500MEDIA_U17_BASE + 5)
+#define IP7500MEDIA_IO22	(IP7500MEDIA_U17_BASE + 6)
+#define IP7500MEDIA_IO23	(IP7500MEDIA_U17_BASE + 7)
+
+/*
+ * U18
+ */
+#define IP7500MEDIA_U18_BASE	(32 * 13)
+#define IP7500MEDIA_IO24	(IP7500MEDIA_U18_BASE + 0)
+#define IP7500MEDIA_IO25	(IP7500MEDIA_U18_BASE + 1)
+#define IP7500MEDIA_IO26	(IP7500MEDIA_U18_BASE + 2)
+#define IP7500MEDIA_IO27	(IP7500MEDIA_U18_BASE + 3)
+#define IP7500MEDIA_IO28	(IP7500MEDIA_U18_BASE + 4)
+#define IP7500MEDIA_IO29	(IP7500MEDIA_U18_BASE + 5)
+#define IP7500MEDIA_IO30	(IP7500MEDIA_U18_BASE + 6)
+#define IP7500MEDIA_IO31	(IP7500MEDIA_U18_BASE + 7)
+#endif
+
+#ifdef CONFIG_IP7145DPF
+/*
+ * U48
+ */
+#define IP7145DPF_U48_BASE	(32 * 10)
+#define IP7145DPF_IO0		(IP7145DPF_U48_BASE + 0)
+#define IP7145DPF_IO1		(IP7145DPF_U48_BASE + 1)
+#define IP7145DPF_IO2		(IP7145DPF_U48_BASE + 2)
+#define IP7145DPF_IO3		(IP7145DPF_U48_BASE + 3)
+#define IP7145DPF_IO4		(IP7145DPF_U48_BASE + 4)
+#define IP7145DPF_IO5		(IP7145DPF_U48_BASE + 5)
+#define IP7145DPF_IO6		(IP7145DPF_U48_BASE + 6)
+#define IP7145DPF_IO7		(IP7145DPF_U48_BASE + 7)
+
+/*
+ * U72
+ */
+#define IP7145DPF_U72_BASE	(32 * 11)
+#define IP7145DPF_IOB0		(IP7145DPF_U72_BASE + 0)
+#define IP7145DPF_IOB1		(IP7145DPF_U72_BASE + 1)
+#define IP7145DPF_IOB2		(IP7145DPF_U72_BASE + 2)
+#define IP7145DPF_IOB3		(IP7145DPF_U72_BASE + 3)
+#define IP7145DPF_IOB4		(IP7145DPF_U72_BASE + 4)
+#define IP7145DPF_IOB5		(IP7145DPF_U72_BASE + 5)
+#define IP7145DPF_IOB6		(IP7145DPF_U72_BASE + 6)
+#define IP7145DPF_IOB7		(IP7145DPF_U72_BASE + 7)
+#endif
+
+#include <asm-generic/gpio.h>
+
+/*
+ * The following macros bypass gpiolib to generate direct references
+ * to the port registers.  These assume, minimally, that either
+ * gpio_direction_input() or gpio_direction_output() have already been
+ * called to setup the pin direction and to enable the pin function to
+ * be gpio.  These macros generate the hardware port address based on
+ * the assumption that all ports are 32 bits wide (even though we know
+ * they are not).  This is so we can efficiently turn pin numbers into
+ * port addresses without a lookup.
+ *
+ * These operations must be done in one instruction to prevent clobbering
+ * other thread's accesses to the same port.
+ */
+#define UBICOM32_GPIO_ENABLE(pin)				\
+	do {							\
+		asm volatile ("or.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_mask),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_DISABLE(pin)				\
+	do {							\
+		asm volatile ("and.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_mask),	\
+				  [mask] "d" (~gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_INPUT(pin)			\
+	do {							\
+		asm volatile ("and.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_ctl),	\
+				  [mask] "d" (~gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_OUTPUT(pin)			\
+	do {							\
+		asm volatile ("or.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_ctl),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_TOGGLE(pin)			\
+	do {							\
+		asm volatile ("xor.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_out),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_HIGH(pin)				\
+	do {							\
+		asm volatile ("or.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_out),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_LOW(pin)				\
+	do {							\
+		asm volatile ("and.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_out),	\
+				  [mask] "d" (~gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN(pin, val) \
+  if ( val ) {                          \
+    UBICOM32_GPIO_SET_PIN_HIGH(pin);    \
+  } else {                              \
+    UBICOM32_GPIO_SET_PIN_LOW(pin);	\
+  }
+
+#define UBICOM32_GPIO_GET_PIN(pin)                                    \
+  (0 != (UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_in  \
+	 & gpio_bit(pin)))
+
+
+static inline int gpio_get_value(unsigned gpio)
+{
+  if (gpio <= MAX_UBICOM_ONCHIP_GPIO)
+    return UBICOM32_GPIO_GET_PIN(gpio);
+  else
+    return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+  if (gpio <= MAX_UBICOM_ONCHIP_GPIO)
+    {
+      UBICOM32_GPIO_SET_PIN(gpio, value);
+    }
+  else
+    {
+      __gpio_set_value(gpio, value);
+    }
+}
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+  return __gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+#if defined(IP5000) || defined(IP5000_REV2)
+  if ((gpio >= GPIO_RA_4) && (gpio <= GPIO_RA_6))
+    return 25;
+  else
+    return -ENXIO;
+
+#elif defined(IP7000) || defined(IP7000_REV2)
+  if ((gpio >= GPIO_RA_4) && (gpio <= GPIO_RA_6))
+    return 44 + (gpio - GPIO_RA_4);
+  else
+    return -ENXIO;
+
+#else
+    return -ENXIO;
+
+#endif
+}
+
+static inline int irq_to_gpio(unsigned gpio)
+{
+	return -ENXIO;
+}
+
+extern struct ubicom32_io_port *ubi_gpio_get_port(unsigned gpio);
+
+extern int __init ubi_gpio_init(void);
+
+#endif /* _ASM_UBICOM32_GPIO_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/hardirq.h

@@ -0,0 +1,55 @@
+/*
+ * arch/ubicom32/include/asm/hardirq.h
+ *   Definition of ack_bad_irq() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1997, 98, 99, 2000, 01, 05 Ralf Baechle ([email protected])
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_HARDIRQ_H
+#define _ASM_UBICOM32_HARDIRQ_H
+
+#include <linux/threads.h>
+#include <linux/irq.h>
+
+/*
+ * The hardirq mask has to be large enough to have space
+ * for potentially all IRQ sources in the system nesting
+ * on a single CPU.  For Ubicom32, we have 64 IRQ sources.
+ */
+#define HARDIRQ_BITS	6
+#if (1 << HARDIRQ_BITS) < NR_IRQS
+# error HARDIRQ_BITS is too low!
+#endif
+
+typedef struct {
+	unsigned int __softirq_pending;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
+
+extern void ack_bad_irq(unsigned int irq);
+
+#endif /* _ASM_UBICOM32_HARDIRQ_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/hw_irq.h

@@ -0,0 +1,31 @@
+/*
+ * arch/ubicom32/include/asm/hw_irq.h
+ *   Ubicom32 architecture APIC support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_HW_IRQ_H
+#define _ASM_UBICOM32_HW_IRQ_H
+
+#endif /* _ASM_UBICOM32_HW_IRQ_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/io.h

@@ -0,0 +1,313 @@
+/*
+ * arch/ubicom32/include/asm/io.h
+ *   I/O memory accessor functions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IO_H
+#define _ASM_UBICOM32_IO_H
+
+#ifdef __KERNEL__
+#include <linux/string.h>
+#include <linux/compiler.h>
+
+static inline unsigned short _swapw(volatile unsigned short v)
+{
+    return ((v << 8) | (v >> 8));
+}
+
+static inline unsigned int _swapl(volatile unsigned long v)
+{
+    return ((v << 24) | ((v & 0xff00) << 8) | ((v & 0xff0000) >> 8) | (v >> 24));
+}
+
+#ifndef CONFIG_PCI
+#define readb(addr) \
+    ({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
+#define readw(addr) \
+    ({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
+#define readl(addr) \
+    ({ unsigned int __v = (*(volatile unsigned int *) (addr)); __v; })
+
+#define writeb(b,addr) (void)((*(volatile unsigned char *) (addr)) = (b))
+#define writew(b,addr) (void)((*(volatile unsigned short *) (addr)) = (b))
+#define writel(b,addr) (void)((*(volatile unsigned int *) (addr)) = (b))
+#else /*CONFIG_PCI */
+
+#define PCI_CPU_REG_BASE (0x00000000UL)   /* taking lower 2GB space */
+#define PCI_DEV_REG_BASE (0x80000000UL)
+
+#if PCI_CPU_REG_BASE > PCI_DEV_REG_BASE
+#define IS_PCI_ADDRESS(x) (((unsigned int)(x)&(PCI_CPU_REG_BASE)) == 0)
+#else
+#define IS_PCI_ADDRESS(x) ((unsigned int)(x)&(PCI_DEV_REG_BASE))
+#endif
+
+extern unsigned int ubi32_pci_read_u32(const volatile void __iomem *addr);
+extern unsigned short ubi32_pci_read_u16(const volatile void __iomem *addr);
+extern unsigned char ubi32_pci_read_u8(const volatile void __iomem *addr);
+extern  void ubi32_pci_write_u32(unsigned int val, const volatile void __iomem *addr);
+extern  void ubi32_pci_write_u16(unsigned short val, const volatile void __iomem *addr);
+extern  void ubi32_pci_write_u8(unsigned char val, const volatile void __iomem *addr);
+
+static  inline unsigned char readb(const volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u8(addr);
+	else
+		return (unsigned char)(*(volatile unsigned char *)addr);
+}
+static inline unsigned short readw(const volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u16(addr);
+	else
+		return (unsigned short)(*(volatile unsigned short *)addr);
+}
+
+static  inline unsigned int  readl(const volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u32(addr);
+	else
+		return (unsigned int)(*(volatile unsigned int *)addr);
+}
+
+static inline void writel(unsigned int val, volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+                ubi32_pci_write_u32(val, addr);
+        else
+		*(volatile unsigned int *)addr = val;
+}
+
+static inline void writew(unsigned short val, volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+                ubi32_pci_write_u16(val, addr);
+        else
+		*(volatile unsigned short *)addr = val;
+}
+
+static inline void writeb(unsigned char val, volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+                ubi32_pci_write_u8(val, addr);
+        else
+		*(volatile unsigned char *)addr = val;
+}
+#endif
+
+#define readb_relaxed(addr) readb(addr)
+#define readw_relaxed(addr) readw(addr)
+#define readl_relaxed(addr) readl(addr)
+
+
+#define __raw_readb readb
+#define __raw_readw readw
+#define __raw_readl readl
+#define __raw_writeb writeb
+#define __raw_writew writew
+#define __raw_writel writel
+
+static inline void io_outsb(unsigned int addr, const void *buf, int len)
+{
+	volatile unsigned char *ap = (volatile unsigned char *) addr;
+	unsigned char *bp = (unsigned char *) buf;
+	while (len--)
+		*ap = *bp++;
+}
+
+static inline void io_outsw(unsigned int addr, const void *buf, int len)
+{
+	volatile unsigned short *ap = (volatile unsigned short *) addr;
+	unsigned short *bp = (unsigned short *) buf;
+	while (len--)
+		*ap = _swapw(*bp++);
+}
+
+static inline void io_outsl(unsigned int addr, const void *buf, int len)
+{
+	volatile unsigned int *ap = (volatile unsigned int *) addr;
+	unsigned int *bp = (unsigned int *) buf;
+	while (len--)
+		*ap = _swapl(*bp++);
+}
+
+static inline void io_insb(unsigned int addr, void *buf, int len)
+{
+	volatile unsigned char *ap = (volatile unsigned char *) addr;
+	unsigned char *bp = (unsigned char *) buf;
+	while (len--)
+		*bp++ = *ap;
+}
+
+static inline void io_insw(unsigned int addr, void *buf, int len)
+{
+	volatile unsigned short *ap = (volatile unsigned short *) addr;
+	unsigned short *bp = (unsigned short *) buf;
+	while (len--)
+		*bp++ = _swapw(*ap);
+}
+
+static inline void io_insl(unsigned int addr, void *buf, int len)
+{
+	volatile unsigned int *ap = (volatile unsigned int *) addr;
+	unsigned int *bp = (unsigned int *) buf;
+	while (len--)
+		*bp++ = _swapl(*ap);
+}
+
+#define mmiowb()
+
+/*
+ *	make the short names macros so specific devices
+ *	can override them as required
+ */
+#ifndef CONFIG_PCI
+#define memset_io(a,b,c)	memset((void *)(a),(b),(c))
+#define memcpy_fromio(a,b,c)	memcpy((a),(void *)(b),(c))
+#define memcpy_toio(a,b,c)	memcpy((void *)(a),(b),(c))
+#else
+extern void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned len);
+extern void memcpy_toio(volatile void __iomem *to, const void *from, unsigned len);
+extern void memset_io(volatile void __iomem *addr, int val, size_t count);
+#endif
+
+#define inb(addr)    readb(addr)
+#define inw(addr)    readw(addr)
+#define inl(addr)    readl(addr)
+#define outb(x,addr) ((void) writeb(x,addr))
+#define outw(x,addr) ((void) writew(x,addr))
+#define outl(x,addr) ((void) writel(x,addr))
+
+#define inb_p(addr)    inb(addr)
+#define inw_p(addr)    inw(addr)
+#define inl_p(addr)    inl(addr)
+#define outb_p(x,addr) outb(x,addr)
+#define outw_p(x,addr) outw(x,addr)
+#define outl_p(x,addr) outl(x,addr)
+
+#define outsb(a,b,l) io_outsb(a,b,l)
+#define outsw(a,b,l) io_outsw(a,b,l)
+#define outsl(a,b,l) io_outsl(a,b,l)
+
+#define insb(a,b,l) io_insb(a,b,l)
+#define insw(a,b,l) io_insw(a,b,l)
+#define insl(a,b,l) io_insl(a,b,l)
+
+#ifndef CONFIG_PCI
+#define ioread8_rep(a,d,c)	insb(a,d,c)
+#define ioread16_rep(a,d,c)	insw(a,d,c)
+#define ioread32_rep(a,d,c)	insl(a,d,c)
+#define iowrite8_rep(a,s,c)	outsb(a,s,c)
+#define iowrite16_rep(a,s,c)	outsw(a,s,c)
+#define iowrite32_rep(a,s,c)	outsl(a,s,c)
+#else
+extern void  ioread8_rep(void __iomem *port, void *buf, unsigned long count);
+extern void  ioread16_rep(void __iomem *port, void *buf, unsigned long count);
+extern void  ioread32_rep(void __iomem *port, void *buf, unsigned long count);
+extern void  iowrite8_rep(void __iomem *port, const void *buf, unsigned long count);
+extern void  iowrite16_rep(void __iomem *port, const void *buf, unsigned long count);
+extern void  iowrite32_rep(void __iomem *port, const void *buf, unsigned long count);
+#endif
+
+
+#ifndef CONFIG_PCI
+#define ioread8(X)			readb(X)
+#define ioread16(X)			readw(X)
+#define ioread32(X)			readl(X)
+#define iowrite8(val,X)			writeb(val,X)
+#define iowrite16(val,X)		writew(val,X)
+#define iowrite32(val,X)		writel(val,X)
+#else /*CONFIG_PCI */
+extern  unsigned char  ioread8(void __iomem *addr);
+extern  unsigned short ioread16(void __iomem *addr);
+extern  unsigned int  ioread32(void __iomem *addr);
+extern  void iowrite8(unsigned char val, void __iomem *addr);
+extern  void iowrite16(unsigned short val, void __iomem *addr);
+extern  void iowrite32(unsigned int val, void __iomem *addr);
+#endif /* CONFIG_PCI */
+
+#define IO_SPACE_LIMIT 0xffff
+
+/* Values for nocacheflag and cmode */
+#define IOMAP_FULL_CACHING		0
+#define IOMAP_NOCACHE_SER		1
+#define IOMAP_NOCACHE_NONSER		2
+#define IOMAP_WRITETHROUGH		3
+
+extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
+extern void __iounmap(void *addr, unsigned long size);
+
+static inline void *ioremap(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
+}
+static inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
+}
+static inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
+}
+static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
+}
+
+extern void iounmap(void *addr);
+
+#define ioport_map(port, nr)            ((void __iomem*)(port))
+#define ioport_unmap(addr)
+
+
+/* Pages to physical address... */
+#define page_to_phys(page)      ((page - mem_map) << PAGE_SHIFT)
+#define page_to_bus(page)       ((page - mem_map) << PAGE_SHIFT)
+
+/*
+ * Macros used for converting between virtual and physical mappings.
+ */
+#define phys_to_virt(vaddr)	((void *) (vaddr))
+#define virt_to_phys(vaddr)	((unsigned long) (vaddr))
+
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+/*
+ * Convert a physical pointer to a virtual kernel pointer for /dev/mem
+ * access
+ */
+#define xlate_dev_mem_ptr(p)	__va(p)
+
+/*
+ * Convert a virtual cached pointer to an uncached pointer
+ */
+#define xlate_dev_kmem_ptr(p)	p
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_UBICOM32_IO_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ioctl.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/ioctl.h
+ *   Generic ioctl.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IOCTL_H
+#define _ASM_UBICOM32_IOCTL_H
+
+#include <asm-generic/ioctl.h>
+
+#endif /* _ASM_UBICOM32_IOCTL_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ioctls.h

@@ -0,0 +1,111 @@
+/*
+ * arch/ubicom32/include/asm/ioctls.h
+ *   Definitions of ioctls for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IOCTLS_H
+#define _ASM_UBICOM32_IOCTLS_H
+
+#include <asm/ioctl.h>
+
+/* 0x54 is just a magic number to make these relatively unique ('T') */
+
+#define TCGETS		0x5401
+#define TCSETS		0x5402
+#define TCSETSW		0x5403
+#define TCSETSF		0x5404
+#define TCGETA		0x5405
+#define TCSETA		0x5406
+#define TCSETAW		0x5407
+#define TCSETAF		0x5408
+#define TCSBRK		0x5409
+#define TCXONC		0x540A
+#define TCFLSH		0x540B
+#define TIOCEXCL	0x540C
+#define TIOCNXCL	0x540D
+#define TIOCSCTTY	0x540E
+#define TIOCGPGRP	0x540F
+#define TIOCSPGRP	0x5410
+#define TIOCOUTQ	0x5411
+#define TIOCSTI		0x5412
+#define TIOCGWINSZ	0x5413
+#define TIOCSWINSZ	0x5414
+#define TIOCMGET	0x5415
+#define TIOCMBIS	0x5416
+#define TIOCMBIC	0x5417
+#define TIOCMSET	0x5418
+#define TIOCGSOFTCAR	0x5419
+#define TIOCSSOFTCAR	0x541A
+#define FIONREAD	0x541B
+#define TIOCINQ		FIONREAD
+#define TIOCLINUX	0x541C
+#define TIOCCONS	0x541D
+#define TIOCGSERIAL	0x541E
+#define TIOCSSERIAL	0x541F
+#define TIOCPKT		0x5420
+#define FIONBIO		0x5421
+#define TIOCNOTTY	0x5422
+#define TIOCSETD	0x5423
+#define TIOCGETD	0x5424
+#define TCSBRKP		0x5425	/* Needed for POSIX tcsendbreak() */
+#define TIOCSBRK	0x5427  /* BSD compatibility */
+#define TIOCCBRK	0x5428  /* BSD compatibility */
+#define TIOCGSID	0x5429  /* Return the session ID of FD */
+#define TCGETS2		_IOR('T',0x2A, struct termios2)
+#define TCSETS2		_IOW('T',0x2B, struct termios2)
+#define TCSETSW2	_IOW('T',0x2C, struct termios2)
+#define TCSETSF2	_IOW('T',0x2D, struct termios2)
+#define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
+#define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
+
+#define FIONCLEX	0x5450  /* these numbers need to be adjusted. */
+#define FIOCLEX		0x5451
+#define FIOASYNC	0x5452
+#define TIOCSERCONFIG	0x5453
+#define TIOCSERGWILD	0x5454
+#define TIOCSERSWILD	0x5455
+#define TIOCGLCKTRMIOS	0x5456
+#define TIOCSLCKTRMIOS	0x5457
+#define TIOCSERGSTRUCT	0x5458 /* For debugging only */
+#define TIOCSERGETLSR   0x5459 /* Get line status register */
+#define TIOCSERGETMULTI 0x545A /* Get multiport config  */
+#define TIOCSERSETMULTI 0x545B /* Set multiport config */
+
+#define TIOCMIWAIT	0x545C	/* wait for a change on serial input line(s) */
+#define TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
+#define FIOQSIZE	0x545E
+
+/* Used for packet mode */
+#define TIOCPKT_DATA		 0
+#define TIOCPKT_FLUSHREAD	 1
+#define TIOCPKT_FLUSHWRITE	 2
+#define TIOCPKT_STOP		 4
+#define TIOCPKT_START		 8
+#define TIOCPKT_NOSTOP		16
+#define TIOCPKT_DOSTOP		32
+
+#define TIOCSER_TEMT    0x01	/* Transmitter physically empty */
+
+#endif /* _ASM_UBICOM32_IOCTLS_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ip5000-asm.h

@@ -0,0 +1,156 @@
+/*
+ * arch/ubicom32/include/asm/ip5000-asm.h
+ *	Instruction macros for the IP5000.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_IP5000_ASM_H
+#define _ASM_UBICOM32_IP5000_ASM_H
+
+#if !defined(__LINKER__)
+
+#if defined(__ASSEMBLY__)
+.macro	cycles	quant
+.if	(\quant) == 1
+	nop
+.else
+.if	(((\quant) + 3) / 8) > 0
+.rept	(((\quant) + 3) / 8)
+	jmpt.f		.+4
+.endr
+.endif
+.if	((((\quant) + 3) % 8) / 4) > 0
+	jmpt.t		.+4
+.endif
+.endif
+.endm
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("					\n\
+.macro	cycles	quant			\n\
+.if	(\\quant) == 1			\n\
+	nop				\n\
+.else					\n\
+.if	(((\\quant) + 3) / 8) > 0	\n\
+.rept	(((\\quant) + 3) / 8)		\n\
+	jmpt.f		.+4		\n\
+.endr					\n\
+.endif					\n\
+.if	((((\\quant) + 3) % 8) / 4) > 0	\n\
+	jmpt.t		.+4		\n\
+.endif					\n\
+.endif					\n\
+.endm					\n\
+");
+#endif
+
+
+#if defined(__ASSEMBLY__)
+.macro	pipe_flush	cyc
+	cycles		11 - (\cyc)
+.endm
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("					\n\
+.macro	pipe_flush	cyc		\n\
+	cycles		11 - (\\cyc)	\n\
+.endm					\n\
+");
+
+#endif
+
+#if defined(__ASSEMBLY__)
+.macro	setcsr_flush	cyc
+	cycles		5 - (\cyc)
+.endm
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("					\n\
+.macro	setcsr_flush	cyc		\n\
+	cycles		5 - (\\cyc)	\n\
+.endm					\n\
+");
+#endif
+
+/*
+ * Macros for prefetch (using miss-aligned memory write)
+ */
+#if defined(__ASSEMBLY__)
+
+.macro	pre_fetch_macro	thread_num, Ascratch, Aaddress length
+	bclr		MT_TRAP_EN, MT_TRAP_EN, #(\thread_num)
+	bset		\Ascratch, \Aaddress, #0	; force a miss-aligned address
+	jmpt.t		.+4				; delay for both address setup and trap disable
+	move.4		(\Ascratch), #0
+	.if		(\length > 32)
+	move.4		32(\Ascratch), #0
+	.endif
+	.if		(\length > 64)
+	move.4		64(\Ascratch), #0
+	.endif
+	.if		(\length > 96)
+	move.4		96(\Ascratch), #0
+	.endif
+	.if		(\length > 128)
+	invalid_instruction				; maximum pre-fetch size is 4 cache lines
+	.endif
+	bset		MT_TRAP_EN, MT_TRAP_EN, #(\thread_num)
+.endm
+
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("								\n\
+.macro	pre_fetch_macro	thread_num, Ascratch, Aaddress length	\n\
+	bclr		MT_TRAP_EN, MT_TRAP_EN, #(\thread_num)	\n\
+	bset		\\Ascratch, \\Aaddress, #0	; force a miss-aligned address \n\
+	jmpt.t		.+4				; delay for both address setup and trap disable \n\
+	move.4		(\\Ascratch), #0			\n\
+	.if		(\\length > 32)				\n\
+	move.4		32(\\Ascratch), #0			\n\
+	.endif							\n\
+	.if		(\\length > 64)				\n\
+	move.4		64(\\Ascratch), #0			\n\
+	.endif							\n\
+	.if		(\\length > 96)				\n\
+	move.4		96(\\Ascratch), #0			\n\
+	.endif							\n\
+	.if		(\\length > 128)			\n\
+	invalid_instruction				; maximum pre-fetch size is 4 cache lines \n\
+	.endif							\n\
+	bset		MT_TRAP_EN, MT_TRAP_EN, #(\\thread_num)	\n\
+.endm								\n\
+");
+#endif
+
+#endif /* !defined(__LINKER__) */
+#endif /* defined _ASM_UBICOM32_IP5000_ASM_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ip5000.h

@@ -0,0 +1,845 @@
+/*
+ * arch/ubicom32/include/asm/ip5000.h
+ *   Specific details for the Ubicom IP5000 processor.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_IP5000_H
+#define _ASM_UBICOM32_IP5000_H
+
+#include <asm/memory_map.h>
+
+/*
+ * Inline assembly define
+ */
+#define S(arg) #arg
+#define D(arg) S(arg)
+
+/*
+ * Assembler include file
+ */
+#include <asm/ip5000-asm.h>
+
+/*
+ * Timing
+ */
+#define JMPT_PENALTY 3
+#define JMPF_PENALTY 7
+#define RET_PENALTY 7
+
+/*
+ * Threads
+ */
+#if defined(IP5000) || defined(IP5000_REV2)
+#define THREAD_COUNT 10
+#elif defined(IP7000) || defined(IP7000_REV2)
+#define THREAD_COUNT 12
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+/*
+ * Arch
+ */
+#if defined(IP5000) || defined(IP5000_REV2)
+#define UBICOM32_ARCH_VERSION 3
+#elif defined(IP7000) || defined(IP7000_REV2)
+#define UBICOM32_ARCH_VERSION 4
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+
+/*
+ * Registers
+ */
+#define ROSR_INT (1 << 0)
+
+/* Interrupts */
+#define INT_CHIP(reg, bit) (((reg) << 5) | (bit))
+#define INT_REG(interrupt) (((interrupt) >> 5) * 4)
+#define INT_SET(interrupt) 0x0114 + INT_REG(interrupt)
+#define INT_CLR(interrupt) 0x0124 + INT_REG(interrupt)
+#define INT_STAT(interrupt) 0x0104 + INT_REG(interrupt)
+#define INT_MASK(interrupt) 0x00C0 + INT_REG(interrupt)
+#define INT_BIT(interrupt) ((interrupt) & 0x1F)
+#define INT_BIT_MASK(interrupt) (1 << INT_BIT(interrupt))
+
+/*
+ * The LOCK_INT and THREAD_INT are used to wake up corresponding thread. They are sharing
+ * the same set of SW interrupt resource.
+ *
+ * LOCK_INT(n): One SW INT per NRT thread that can participate lock operation.
+ *	The threads that can participate lock are application threads and DSR thread.
+ *	(Lock locks - numbers are hard-coded in lock.h)
+ * THREAD_INT(n):   One SW INT per HRT thread for wake up trigger.
+ */
+#define LOCK_INT(thread)	INT_CHIP(0, (thread))
+#define THREAD_INT(thread)	INT_CHIP(0, (thread))
+
+/*
+ * The SYSTEM_INT and DSR_INT are sharing the same set of SW interrupt resource.
+ *
+ * SYSTEM_INT(n): One SW INT per NRT threads (application threads) as system queue interrupt,
+ *	and for DSR as self-trigger interrupt.
+ *	(The application threads include at least thread 0)
+ * DSR_INT(n):    One SW INT per HRT thread to request DSR service.
+ */
+#define SYSTEM_INT(thread)	INT_CHIP(0, THREAD_COUNT + (thread))
+#define DSR_INT(thread)		INT_CHIP(0, THREAD_COUNT + (thread))
+
+/* GLOBAL_CTRL */
+#define GLOBAL_CTRL_TRAP_RST_EN (1 << 9)
+#define GLOBAL_CTRL_AERROR_RST_EN (1 << 8)
+#define GLOBAL_CTRL_MT_MIN_DELAY(x) ((x) << 3)
+#define GLOBAL_CTRL_HRT_BANK_SELECT (1 << 2)
+#define GLOBAL_CTRL_INT_EN (1 << 0)
+
+/*
+ * HRT Tables
+ */
+#define HRT_TABLE0_BASE 0x0800
+#define HRT_TABLE1_BASE 0x0900
+#define HRT_TABLE_SIZE 64
+
+/*
+ * Break Point Trap Register
+ */
+#define ASYNCERROR_INT INT_CHIP(0, 31)
+#define BREAKPOINT_INT INT_CHIP(1, 31)
+
+/*
+ * Port interrupts
+ *	The non-existing FIFO INTs are mapped to INT2 for the ports.
+ */
+#define IO_PORT_PTR_TO_NUM(port) (((port) & 0x0000ffff) >> 12)
+#define RX_FIFO_INT(port) \
+	((IO_PORT_PTR_TO_NUM(port) == 0) ? INT_CHIP(0, 25) : \
+	((IO_PORT_PTR_TO_NUM(port) == 1) ? INT_CHIP(0, 26) : \
+	((IO_PORT_PTR_TO_NUM(port) == 2) ? INT_CHIP(0, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 3) ? INT_CHIP(1, 24) : \
+	((IO_PORT_PTR_TO_NUM(port) == 4) ? INT_CHIP(1, 27) : \
+	((IO_PORT_PTR_TO_NUM(port) == 5) ? INT_CHIP(1, 16) : \
+	((IO_PORT_PTR_TO_NUM(port) == 6) ? INT_CHIP(1, 19) : \
+	((IO_PORT_PTR_TO_NUM(port) == 7) ? INT_CHIP(1, 20) : \
+	((IO_PORT_PTR_TO_NUM(port) == 8) ? INT_CHIP(1, 21) : \
+	INT_CHIP(1, 15))))))))))
+#define TX_FIFO_INT(port) \
+	((IO_PORT_PTR_TO_NUM(port) == 0) ? INT_CHIP(0, 24) : \
+	((IO_PORT_PTR_TO_NUM(port) == 1) ? INT_CHIP(0, 27) : \
+	((IO_PORT_PTR_TO_NUM(port) == 2) ? INT_CHIP(0, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 3) ? INT_CHIP(1, 25) : \
+	((IO_PORT_PTR_TO_NUM(port) == 4) ? INT_CHIP(1, 28) : \
+	((IO_PORT_PTR_TO_NUM(port) == 5) ? INT_CHIP(1, 17) : \
+	((IO_PORT_PTR_TO_NUM(port) == 6) ? INT_CHIP(1, 19) : \
+	((IO_PORT_PTR_TO_NUM(port) == 7) ? INT_CHIP(1, 20) : \
+	((IO_PORT_PTR_TO_NUM(port) == 8) ? INT_CHIP(1, 22) : \
+	INT_CHIP(1, 15))))))))))
+#define PORT_OTHER_INT(port) \
+	((IO_PORT_PTR_TO_NUM(port) == 0) ? INT_CHIP(0, 25) : \
+	((IO_PORT_PTR_TO_NUM(port) == 1) ? INT_CHIP(0, 28) : \
+	((IO_PORT_PTR_TO_NUM(port) == 2) ? INT_CHIP(0, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 3) ? INT_CHIP(1, 26) : \
+	((IO_PORT_PTR_TO_NUM(port) == 4) ? INT_CHIP(1, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 5) ? INT_CHIP(1, 18) : \
+	((IO_PORT_PTR_TO_NUM(port) == 6) ? INT_CHIP(1, 19) : \
+	((IO_PORT_PTR_TO_NUM(port) == 7) ? INT_CHIP(1, 20) : \
+	((IO_PORT_PTR_TO_NUM(port) == 8) ? INT_CHIP(1, 23) : \
+	INT_CHIP(1, 15))))))))))
+
+/*
+ * On Chip Peripherals Base.
+ */
+#define OCP_BASE	0x01000000
+#define OCP_GENERAL	0x000
+#define OCP_TIMERS	0x100
+#define OCP_TRNG	0x200	/* True Random Number Generator Control Reigsters */
+#define OCP_DEBUG	0x300
+#define OCP_SECURITY	0x400
+#define OCP_ICCR	0x500	/* I-Cache Control Registers */
+#define OCP_DCCR	0x600	/* D-Cache Control Registers */
+#define OCP_OCMC	0x700	/* On Chip Memory Control Registers */
+#define OCP_STATISTICS	0x800	/* Statistics Counters */
+#define OCP_MTEST	0x900	/* Memory Test Registers */
+#define OCP_MCFG	0xa00	/* Memory Configuration Registers -- IP7000 only */
+#define OCP_DEBUG_INST	0x000	/* Up to 16M */
+
+/*
+ * General Configuration Registers (PLL)
+ */
+#define GENERAL_CFG_BASE (OCP_BASE + OCP_GENERAL)
+#define GEN_CLK_CORE_CFG 0x00
+#define GEN_CLK_IO_CFG 0x04
+#define GEN_CLK_DDR_CFG 0x08
+#define GEN_CLK_DDRDS_CFG 0x0c
+#define GEN_CLK_SLIP_CLR 0x10
+#define GEN_CLK_SLIP_START 0x14
+#define GEN_CLK_SERDES_SEL 0x18	/* IP7000 only */
+#define GEN_CLK_DDR_CFG2 0x1c	/* IP7000 only */
+#define GEN_DDR_CAL_CTRL 0x30	/* IP5000 only */
+#define GEN_DDR_CAL_STAT 0x34	/* IP5000 only */
+#define GEN_USB_DFT_CTRL 0x38	/* IP5000 only */
+#define GEN_USB_DFT_STAT 0x3c	/* IP5000 only */
+#define GEN_USB_PHY_CFG 0x40	/* IP7000 only */
+#define GEN_USB_PHY_TEST 0x44	/* IP7000 only */
+#define GEN_USB_PHY_STAT 0x48	/* IP7000 only */
+#define GEN_SW_RESET 0x80
+#define GEN_RESET_REASON 0x84
+#define GEN_BOND_CFG 0x88
+#define GEN_IO_PU_CFG 0x8c
+#define GEN_MEM_RM_CFG 0x90
+#define GEN_IO_CONFIG 0x94
+
+#define GEN_CLK_PLL_SECURITY_BIT_NO 31
+#define GEN_CLK_PLL_SECURITY (1 << GEN_CLK_PLL_SECURITY_BIT_NO)
+#define GEN_CLK_PLL_ENSAT (1 << 30)
+#define GEN_CLK_PLL_FASTEN (1 << 29)
+#define GEN_CLK_PLL_NR(v) (((v) - 1) << 23)
+#define GEN_CLK_PLL_NF(v) (((v) - 1) << 11)
+#define GEN_CLK_PLL_OD(v) (((v) - 1) << 8)
+#define GEN_CLK_PLL_RESET (1 << 7)
+#define GEN_CLK_PLL_BYPASS (1 << 6)
+#define GEN_CLK_PLL_POWERDOWN (1 << 5)
+#define GEN_CLK_PLL_SELECT (1 << 4)
+
+#define GEN_GET_CLK_PLL_NR(v) ((((v) >> 23) & 0x003f) + 1)
+#define GEN_GET_CLK_PLL_NF(v) ((((v) >> 11) & 0x0fff) + 1)
+#define GEN_GET_CLK_PLL_OD(v) ((((v) >> 8) & 0x7) + 1)
+
+
+#define RESET_FLAG_DST_MEM_ERROR (1 << 18)
+#define RESET_FLAG_SRC1_MEM_ERROR (1 << 17)
+#define RESET_FLAG_WRITE_ADDR (1 << 16)
+#define RESET_FLAG_DST_SYNC_ERROR (1 << 15)
+#define RESET_FLAG_SRC1_SYNC_ERROR (1 << 14)
+#define RESET_FLAG_DST_ALGN_ERROR (1 << 13)
+#define RESET_FLAG_SRC1_ALGN_ERROR (1 << 12)
+#define RESET_FLAG_DST_ADDR_ERROR (1 << 11)
+#define RESET_FLAG_SRC1_ADDR_ERROR (1 << 10)
+#define RESET_FLAG_ILLEGAL_INST (1 << 9)
+#define RESET_FLAG_INST_SYNC_ERROR (1 << 8)
+#define RESET_FLAG_INST_ADDR_ERROR (1 << 7)
+#define RESET_FLAG_DATA_PORT_ERROR (1 << 6)
+#define RESET_FLAG_INST_PORT_ERROR (1 << 5)
+#define RESET_FLAG_SW_RESET (1 << 4)
+#define RESET_FLAG_DEBUG (1 << 3)
+#define RESET_FLAG_WATCHDOG (1 << 2)
+#define RESET_FLAG_POWER_ON (1 << 1)
+#define RESET_FLAG_EXTERNAL (1 << 0)
+
+/*
+ * Timer block
+ */
+#define TIMER_BASE (OCP_BASE + OCP_TIMERS)
+#define TIMER_MPTVAL 0x00
+#define TIMER_RTCOM 0x04
+#define TIMER_TKEY 0x08
+#define TIMER_WDCOM 0x0c
+#define TIMER_WDCFG 0x10
+#define TIMER_SYSVAL 0x14
+#define TIMER_SYSCOM(tmr) (0x18 + (tmr) * 4)
+#define TIMER_TRN_CFG 0x100
+#define TIMER_TRN 0x104
+
+#define TIMER_COUNT 10
+#define TIMER_INT(tmr) INT_CHIP(1, (tmr))
+#define TIMER_TKEYVAL 0xa1b2c3d4
+#define TIMER_WATCHDOG_DISABLE 0x4d3c2b1a
+#define TIMER_TRN_CFG_ENABLE_OSC 0x00000007
+
+#ifndef __ASSEMBLY__
+/*
+ * ubicom32_io_timer
+ */
+struct ubicom32_io_timer {
+	volatile u32_t mptval;
+	volatile u32_t rtcom;
+	volatile u32_t tkey;
+	volatile u32_t wdcom;
+	volatile u32_t wdcfg;
+	volatile u32_t sysval;
+	volatile u32_t syscom[TIMER_COUNT];
+	volatile u32_t reserved[64 - 6 - TIMER_COUNT];	// skip all the way to OCP-TRNG section
+	volatile u32_t rsgcfg;
+	volatile u32_t trn;
+};
+
+#define UBICOM32_IO_TIMER ((struct ubicom32_io_timer *)TIMER_BASE)
+#endif
+
+#define UBICOM32_VECTOR_TO_TIMER_INDEX(vector) (vector - TIMER_INT(0))
+
+/*
+ * OCP-Debug Module (Mailbox)
+ */
+#define ISD_MAILBOX_BASE (OCP_BASE + OCP_DEBUG)
+#define ISD_MAILBOX_IN 0x00
+#define ISD_MAILBOX_OUT 0x04
+#define ISD_MAILBOX_STATUS 0x08
+
+#define ISD_MAILBOX_INT INT_CHIP(1, 30)
+
+#define ISD_MAILBOX_STATUS_IN_FULL (1 << 31)
+#define ISD_MAILBOX_STATUS_IN_EMPTY (1 << 30)
+#define ISD_MAILBOX_STATUS_OUT_FULL (1 << 29)
+#define ISD_MAILBOX_STATUS_OUT_EMPTY (1 << 28)
+
+/*
+ * OCP-Security
+ */
+#define SECURITY_BASE (OCP_BASE + OCP_SECURITY)
+#define SECURITY_BASE_EFFECTIVE_ADDRESS (SECURITY_BASE >> 7) // To load the base address in a single instruction
+#define SECURITY_CTRL 0x00
+#define SECURITY_CTRL_BYTE_OFFSET(x) ((x) << 16)
+#define SECURITY_CTRL_KEY_SIZE(x) ((x) << 8)
+#define SECURITY_CTRL_HASH_ALG_NONE (0 << 4)
+#define SECURITY_CTRL_HASH_ALG_MD5 (1 << 4)
+#define SECURITY_CTRL_HASH_ALG_SHA1 (2 << 4)
+#define SECURITY_CTRL_CBC (1 << 3)
+#define SECURITY_CTRL_CIPHER_ALG_AES (0 << 1)
+#define SECURITY_CTRL_CIPHER_ALG_NONE (1 << 1)
+#define SECURITY_CTRL_CIPHER_ALG_DES (2 << 1)
+#define SECURITY_CTRL_CIPHER_ALG_3DES (3 << 1)
+#define SECURITY_CTRL_ENCIPHER (1 << 0)
+#define SECURITY_CTRL_DECIPHER (0 << 0)
+#define SECURITY_STAT 0x04
+#define SECURITY_STAT_BUSY (1 << 0)
+#define SECURITY_KEY_VALUE(x) (0x10 + (x) * 4)
+#define SECURITY_KEY_IN(x) (0x30 + (x) * 4)
+#define SECURITY_KEY_OUT(x) (0x50 + (x) * 4)
+#define SECURITY_KEY_HASH(x) (0x70 + (x) * 4)
+
+/*
+ * OCP-ICCR
+ */
+#define ICCR_BASE (OCP_BASE + OCP_ICCR)
+#define ICACHE_TOTAL_SIZE 16384			/* in bytes */
+
+/*
+ * OCP-DCCR
+ */
+#define DCCR_BASE (OCP_BASE + OCP_DCCR)
+#if defined(IP5000) || defined(IP5000_REV2)
+#define DCACHE_TOTAL_SIZE 8192			/* in bytes */
+#elif defined(IP7000) || defined(IP7000_REV2)
+#define DCACHE_TOTAL_SIZE 16384			/* in bytes */
+#endif
+
+#if defined(IP5000) || defined(IP5000_REV2) || defined(IP7000) || defined(IP7000_REV2)
+#define DCACHE_WRITE_QUEUE_LENGTH 6
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+#define CACHE_LINE_SIZE 32			/* in bytes */
+
+#define CCR_ADDR 0x00
+#define CCR_RDD 0x04
+#define CCR_WRD 0x08
+#define CCR_STAT 0x0c
+#define CCR_CTRL 0x10
+
+#define CCR_STAT_MCBE 0
+#define CCR_STAT_WIDEL 1			/* D-cache only */
+
+#define CCR_CTRL_DONE 0
+#define CCR_CTRL_RESET 2
+#define CCR_CTRL_VALID 3
+#define CCR_CTRL_RD_DATA (1 << 4)
+#define CCR_CTRL_RD_TAG (2 << 4)
+#define CCR_CTRL_WR_DATA (3 << 4)
+#define CCR_CTRL_WR_TAG (4 << 4)
+#define CCR_CTRL_INV_INDEX (5 << 4)
+#define CCR_CTRL_INV_ADDR (6 << 4)
+#define CCR_CTRL_FLUSH_INDEX (7 << 4)		/* D-cache only */
+#define CCR_CTRL_FLUSH_INV_INDEX (8 << 4)	/* D-cache only */
+#define CCR_CTRL_FLUSH_ADDR (9 << 4)		/* D-cache only */
+#define CCR_CTRL_FLUSH_INV_ADDR (10 << 4)	/* D-cache only */
+
+/*
+ * OCP-OCMC
+ */
+#define OCMC_BASE (OCP_BASE + OCP_OCMC)
+#define OCMC_BANK_MASK 0x00
+#define OCMC_BIST_CNTL 0x04	/* IP5000 only */
+#define OCMC_BIST_STAT 0x08	/* IP5000 only */
+
+#define OCMC_BANK_PROG(n) ((1<<(n))-1)
+
+#define OCMC_BIST_WRCK (1 << 7)
+#define OCMC_BIST_RESET (1 << 5)
+#define OCMC_BIST_SMART (1 << 4)
+#define OCMC_BIST_RUN (1 << 3)
+#define OCMC_BIST_REPAIR (1 << 2)
+
+#define OCMC_BIST_READY (1 << 3)
+#define OCMC_BIST_FAIL (1 << 2)
+
+/*
+ * OCP-STATISTICS
+ */
+#define STATISTICS_BASE (OCP_BASE + OCP_STATISTICS)
+#define STAT_COUNTER_CTRL(n) ((n)*8)
+#define STAT_COUNTER(n) ((n)*8 + 4)
+
+#define STAT_EVENT_MP_INST 0
+#define STAT_EVENT_OCM_ACCESS 4
+#define STAT_EVENT_OCM_REQ 5
+#define STAT_EVENT_IC_REQ_INVAL 13
+#define STAT_EVENT_IC_MISS_INVAL 14
+#define STAT_EVENT_IC_REQ_INVAL_NACK 15
+#define STAT_EVENT_IC_REQ_VAL 16
+#define STAT_EVENT_IC_MISS_VAL 17
+#define STAT_EVENT_IC_REQ_VAL_NACK 18
+#define STAT_EVENT_IC_MISS_Q 19
+#define STAT_EVENT_DC_RD_REQ 20
+#define STAT_EVENT_DC_RD_MISS 21
+#define STAT_EVENT_DC_WR_REQ 22
+#define STAT_EVENT_DC_WR_MISS 23
+#define STAT_EVENT_DC_MISS_Q 24
+#define STAT_EVENT_DC_WB_FULL 25
+#define STAT_EVENT_DC_REQ_NACK 26
+#define STAT_EVENT_DC_CORE_REQ 27
+#define STAT_EVENT_DC_MISS 28
+#define STAT_EVENT_DC_EVICT 29
+#define STAT_EVENT_TRUE 30
+#define STAT_EVENT_FALSE 31
+
+/*
+ * OCP_MTEST
+ */
+#define MTEST_BASE (OCP_BASE + OCP_MTEST)
+#define MTEST_ADDR 0x00
+#define MTEST_WR 0x04
+#define MTEST_RD 0x08
+#define MTEST_CTRL 0x0c
+
+/*
+ * OCP_MCFG (IP7000 only)
+ */
+#define MCFG_BASE (OCP_BASE + OCP_MCFG)
+#define MCFG_CTRL 0x00
+#define MCFG_WCFG 0x04
+#define MCFG_RCFG 0x08
+
+/*
+ * Port registers
+ */
+#define IO_BASE 0x02000000
+#define RA (IO_BASE + 0x00000000)
+#define RB (IO_BASE + 0x00001000)
+#define RC (IO_BASE + 0x00002000)
+#define RD (IO_BASE + 0x00003000)
+#define RE (IO_BASE + 0x00004000)
+#define RF (IO_BASE + 0x00005000)
+#define RG (IO_BASE + 0x00006000)
+#define RH (IO_BASE + 0x00007000)
+#define RI (IO_BASE + 0x00008000)
+#define RJ (IO_BASE + 0x00009000)
+#define RLATCH (IO_BASE + 0x00ff0000)	// For latched output only
+#define IO_PORT_BR_OFFSET 0x00000800
+
+/*
+ * General I/O Register Map (per port)
+ */
+#define IO_FUNC 0x00
+#define IO_GPIO_CTL 0x04
+#define IO_GPIO_OUT 0x08
+#define IO_GPIO_IN 0x0C
+#define IO_INT_STATUS 0x10
+#define IO_INT_MASK 0x14
+#define IO_INT_SET 0x18
+#define IO_INT_CLR 0x1C
+#define IO_TX_FIFO 0x20
+#define IO_TX_FIFO_HI 0x24
+#define IO_RX_FIFO 0x28
+#define IO_RX_FIFO_HI 0x2c
+#define IO_CTL0 0x30
+#define IO_CTL1 0x34
+#define IO_CTL2 0x38
+#define IO_STATUS0 0x3c
+#define IO_STATUS1 0x40
+#define IO_STATUS2 0x44
+#define IO_FIFO_WATER 0x48
+#define IO_FIFO_LEVEL 0x4c
+#define IO_GPIO_MASK 0x50
+
+#define IO_FUNC_FUNCTION_RESET(func) ((1 << ((func) - 1)) << 4)	/* Function 0 doesn't need reset */
+#define IO_FUNC_RX_FIFO (1 << 3)
+#define IO_FUNC_SELECT(func) ((func) << 0)
+
+/*
+ * External interrupt pins.
+ */
+#define EXT_INT_IO_BIT(pin) ((pin) + 5)	// Interrupt pin number -> I/O INT bit
+#define EXT_INT_RISING_EDGE(pin) (0x2 << (2*(pin) + 7))
+#define EXT_INT_FALLING_EDGE(pin) (0x1 << (2*(pin) + 7))
+
+/*
+ * Flash
+ */
+#define IO_XFL_BASE RA
+
+#define IO_XFL_INT_START (1 << 16)
+#define IO_XFL_INT_ERR (1 << 8)
+#define IO_XFL_INT_DONE (1 << 0)
+
+#define IO_XFL_CTL0_MASK (0xffe07fff)
+#define IO_XFL_CTL0_RD_CMD(cmd) (((cmd) & 0xff) << 24)
+#define IO_XFL_CTL0_RD_DUMMY(n) (((n) & 0x7) << 21)
+#define IO_XFL_CTL0_CLK_WIDTH(core_cycles) ((((core_cycles) + 1) & 0x7e) << 8)	/* must be even number */
+#define IO_XFL_CTL0_CE_WAIT(spi_cycles) (((spi_cycles) & 0x3f) << 2)
+#define IO_XFL_CTL0_MCB_LOCK (1 << 1)
+#define IO_XFL_CTL0_ENABLE (1 << 0)
+#define IO_XFL_CTL0_FAST_VALUE(div, wait) (IO_XFL_CTL0_RD_CMD(0xb) | IO_XFL_CTL0_RD_DUMMY(1) | IO_XFL_CTL0_CLK_WIDTH(div) | IO_XFL_CTL0_CE_WAIT(wait) | IO_XFL_CTL0_ENABLE)
+#define IO_XFL_CTL0_VALUE(div, wait) (IO_XFL_CTL0_RD_CMD(3) | IO_XFL_CTL0_CLK_WIDTH(div) | IO_XFL_CTL0_CE_WAIT(wait) | IO_XFL_CTL0_ENABLE)
+
+#define IO_XFL_CTL1_MASK (0xc0003fff)
+#define IO_XFL_CTL1_FC_INST(inst) (((inst) & 0x3) << 30)
+#define IO_XFL_CTL1_FC_DATA(n) (((n) & 0x3ff) << 4)
+#define IO_XFL_CTL1_FC_DUMMY(n) (((n) & 0x7) << 1)
+#define IO_XFL_CTL1_FC_ADDR (1 << 0)
+
+#define IO_XFL_CTL2_FC_CMD(cmd) (((cmd) & 0xff) << 24)
+#define IO_XFL_CTL2_FC_ADDR(addr) ((addr) & 0x00ffffff)	/* Only up to 24 bits */
+
+#define IO_XFL_STATUS0_MCB_ACTIVE (1 << 0)
+#define IO_XFL_STATUS0_IOPCS_ACTIVE (1 << 1)
+
+/*
+ * SDRAM
+ */
+#define IO_SDRAM_DATA_BASE RG
+#define IO_SDRAM_CNTL_BASE RH
+
+#define IO_SDRAM_CTRL0_EN_REF (1 << 0)
+
+/*
+ * Port function code (common fucntion codes for all I/O ports)
+ */
+#define IO_PORTX_FUNC_GPIO 0x00
+#define IO_PORTX_FUNC_XFL 0x01
+#define IO_PORTX_FUNC_PCI 0x01
+#define IO_PORTX_FUNC_SERDES 0x01
+#define IO_PORTX_FUNC_GMII 0x01
+#define IO_PORTX_FUNC_DDR 0x01
+#define IO_PORTX_FUNC_PCIX 0x01
+#define IO_PORTX_FUNC_USB2_0 0x01
+#define IO_PORTX_FUNC_GPIO_INT_CLK 0x02
+#define IO_PORTX_FUNC_PLIO 0x02
+#define IO_PORTX_FUNC_GPIO_INT 0x03
+#define IO_PORTX_FUNC_MII 0x03
+
+/*
+ * Port 0
+ */
+#define IO_PORT0_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT0_FUNC_XFL_INT_CLK IO_PORTX_FUNC_XFL	// Default mode after reset
+#define IO_PORT0_FUNC_GPIO_INT_CLK IO_PORTX_FUNC_GPIO_INT_CLK
+#define IO_PORT0_FUNC_GPIO_INT IO_PORTX_FUNC_GPIO_INT
+
+/*
+ * Port 1
+ */
+#define IO_PORT1_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT1_FUNC_PCI IO_PORTX_FUNC_PCI		// PCI control
+#define IO_PORT1_FUNC_MII IO_PORTX_FUNC_MII		// port 4 MII extension
+
+/*
+ * Port 2
+ */
+#define IO_PORT2_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT2_FUNC_PCI IO_PORTX_FUNC_PCI		// PCI data I/O
+#define IO_PORT2_FUNC_PLIO IO_PORTX_FUNC_PLIO		// Extended LM
+
+/*
+ * Port 3
+ */
+#define IO_PORT3_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT3_FUNC_SERDES IO_PORTX_FUNC_SERDES
+#define IO_PORT3_FUNC_PLIO IO_PORTX_FUNC_PLIO
+
+/*
+ * Port 4
+ */
+#define IO_PORT4_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT4_FUNC_SERDES IO_PORTX_FUNC_SERDES
+#define IO_PORT4_FUNC_PLIO IO_PORTX_FUNC_PLIO		// Extended LM
+#define IO_PORT4_FUNC_MII IO_PORTX_FUNC_MII
+
+/*
+ * Port 5
+ */
+#define IO_PORT5_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT5_FUNC_GMII IO_PORTX_FUNC_GMII
+
+/*
+ * Port 6
+ */
+#define IO_PORT6_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT6_FUNC_DDR IO_PORTX_FUNC_DDR
+
+/*
+ * Port 7
+ */
+#define IO_PORT7_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT7_FUNC_DDR IO_PORTX_FUNC_DDR
+
+/*
+ * Port 8
+ */
+#define IO_PORT8_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT8_FUNC_PCIX IO_PORTX_FUNC_PCIX
+#define IO_PORT8_FUNC_PLIO IO_PORTX_FUNC_PLIO		// Extended LM
+#define IO_PORT8_FUNC_MII IO_PORTX_FUNC_MII		// port 4 MII extension
+
+/*
+ * Port 9
+ */
+#define IO_PORT9_FUNC_USB2_0 IO_PORTX_FUNC_USB2_0
+
+/*
+ * FIFO
+ */
+#define IO_PORTX_INT_FIFO_TX_RESET (1 << 31)
+#define IO_PORTX_INT_FIFO_RX_RESET (1 << 30)
+#define IO_PORTX_INT_FIFO_TX_UF (1 << 15)
+#define IO_PORTX_INT_FIFO_TX_WM (1 << 14)
+#define IO_PORTX_INT_FIFO_RX_OF (1 << 13)
+#define IO_PORTX_INT_FIFO_RX_WM (1 << 12)
+
+#define IO_PORTX_FUNC_FIFO_TX_WM(n) ((n) << 16)
+#define IO_PORTX_FUNC_FIFO_RX_WM(n) ((n) << 0)
+
+/*
+ * MII
+ */
+#define IO_PORTX_INT_MII_TX_ERR_SEND (1 << 18)
+#define IO_PORTX_INT_MII_TX_HALT (1 << 17)
+#define IO_PORTX_INT_MII_TX_START (1 << 16)
+#define IO_PORTX_INT_MII_THRESHOLD (1 << 8)
+#define IO_PORTX_INT_MII_RX_EOP (1 << 7)
+#define IO_PORTX_INT_MII_RX_SFD (1 << 6)
+#define IO_PORTX_INT_MII_RX_ERR (1 << 5)
+#define IO_PORTX_INT_MII_TX_EOP (1 << 4)
+#define IO_PORTX_INT_MII_COL (1 << 3)
+#define IO_PORTX_INT_MII_CRS (1 << 2)
+#define IO_PORTX_INT_MII_ODD_NIB_ERR (1 << 1)
+#define IO_PORTX_INT_MII_FALSE_CARRIER (1 << 0)
+
+/*
+ * SerDes
+ */
+#define IO_PORTX_INT_SERDES_TXBUF_VALID (1 << 16)
+#define IO_PORTX_INT_SERDES_RXERR (1 << 7)
+#define IO_PORTX_INT_SERDES_RXEOP (1 << 6)
+#define IO_PORTX_INT_SERDES_SYND (1 << 5)
+#define IO_PORTX_INT_SERDES_TXBE (1 << 4)
+#define IO_PORTX_INT_SERDES_TXEOP (1 << 3)
+#define IO_PORTX_INT_SERDES_SXLP (1 << 2)
+#define IO_PORTX_INT_SERDES_RXBF (1 << 1)
+#define IO_PORTX_INT_SERDES_RXCRS (1 << 0)
+
+#ifndef __ASSEMBLY__
+struct ubicom32_io_port {
+	volatile u32_t function;
+	volatile u32_t gpio_ctl;
+	volatile u32_t gpio_out;
+	volatile u32_t gpio_in;
+	volatile u32_t int_status;
+	volatile u32_t int_mask;
+	volatile u32_t int_set;
+	volatile u32_t int_clr;
+	volatile u32_t tx_fifo;
+	volatile u32_t tx_fifo_hi;
+	volatile u32_t rx_fifo;
+	volatile u32_t rx_fifo_hi;
+	volatile u32_t ctl0;
+	volatile u32_t ctl1;
+	volatile u32_t ctl2;
+	volatile u32_t status0;
+	volatile u32_t status1;
+	volatile u32_t status2;
+	volatile u32_t fifo_watermark;
+	volatile u32_t fifo_level;
+	volatile u32_t gpio_mask;
+};
+
+#define UBICOM32_IO_PORT(port) ((struct ubicom32_io_port *)((port)))
+#endif
+
+#ifndef __ASSEMBLY__
+/*
+ * ubicom32_set_interrupt()
+ */
+extern inline void ubicom32_set_interrupt(u8_t interrupt)
+{
+	u32_t ibit = INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"move.4		"D(INT_SET(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "r" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"move.4		"D(INT_SET(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "r" (ibit)
+	);
+}
+
+/*
+ * ubicom32_clear_interrupt()
+ */
+extern inline void ubicom32_clear_interrupt(u8_t interrupt)
+{
+	u32_t ibit = INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"move.4		"D(INT_CLR(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "r" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"move.4		"D(INT_CLR(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "r" (ibit)
+	);
+}
+
+/*
+ * ubicom32_enable_interrupt()
+ */
+extern inline void ubicom32_enable_interrupt(u8_t interrupt)
+{
+	u32_t ibit = INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"or.4		"D(INT_MASK(INT_CHIP(0, 0)))", "D(INT_MASK(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "d" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"or.4		"D(INT_MASK(INT_CHIP(1, 0)))", "D(INT_MASK(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "d" (ibit)
+	);
+}
+
+/*
+ * ubicom32_disable_interrupt()
+ */
+extern inline void ubicom32_disable_interrupt(u8_t interrupt)
+{
+	u32_t ibit = ~INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"and.4		"D(INT_MASK(INT_CHIP(0, 0)))", "D(INT_MASK(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "d" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"and.4		"D(INT_MASK(INT_CHIP(1, 0)))", "D(INT_MASK(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "d" (ibit)
+	);
+}
+
+/*
+ * ubicom32_enable_global_interrupts()
+ */
+extern inline void ubicom32_enable_global_interrupts(void)
+{
+	asm volatile(
+		"bset		GLOBAL_CTRL, GLOBAL_CTRL, #%bit("D(GLOBAL_CTRL_INT_EN)")"
+	);
+}
+
+/*
+ * ubicom32_disable_global_interrupts()
+ */
+extern inline void ubicom32_disable_global_interrupts(void)
+{
+	asm volatile(
+		"bclr		GLOBAL_CTRL, GLOBAL_CTRL, #%bit("D(GLOBAL_CTRL_INT_EN)")"
+	);
+}
+
+/*
+ * ubicom32_get_reset_reason()
+ */
+extern inline u32_t ubicom32_get_reset_reason(void)
+{
+	return *(u32_t *)(GENERAL_CFG_BASE + GEN_RESET_REASON);
+}
+
+/*
+ * ubicom32_read_reg()
+ */
+extern inline u32_t ubicom32_read_reg(volatile void *reg)
+{
+	u32_t v;
+	asm volatile (
+		"move.4		%[dest], %[src]	\n\t"
+		: [dest] "=r" (v)
+		: [src] "m" (*(u32_t *)reg)
+	);
+	return v;
+}
+
+/*
+ * ubicom32_write_reg()
+ */
+extern inline void ubicom32_write_reg(volatile void *reg, u32_t v)
+{
+	asm volatile (
+		"move.4		%[dest], %[src]	\n\t"
+		:
+		: [src] "r" (v), [dest] "m" (*(u32_t *)reg)
+	);
+}
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_UBICOM32_IP5000_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ipcbuf.h

@@ -0,0 +1,55 @@
+/*
+ * arch/ubicom32/include/asm/ipcbuf.h
+ *   Definition of ipc64_perm struct for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IPCBUF_H
+#define _ASM_UBICOM32_IPCBUF_H
+
+/*
+ * The user_ipc_perm structure for m68k architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 32-bit mode_t and seq
+ * - 2 miscellaneous 32-bit values
+ */
+struct ipc64_perm
+{
+	__kernel_key_t		key;
+	__kernel_uid32_t	uid;
+	__kernel_gid32_t	gid;
+	__kernel_uid32_t	cuid;
+	__kernel_gid32_t	cgid;
+	__kernel_mode_t		mode;
+	unsigned short		__pad1;
+	unsigned short		seq;
+	unsigned short		__pad2;
+	unsigned long		__unused1;
+	unsigned long		__unused2;
+};
+
+#endif /* _ASM_UBICOM32_IPCBUF_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/irq.h

@@ -0,0 +1,45 @@
+/*
+ * arch/ubicom32/include/asm/irq.h
+ *   IRQ definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IRQ_H
+#define _ASM_UBICOM32_IRQ_H
+
+#include <asm/irqflags.h>
+
+/*
+ * We setup the IRQS to cover the full range of interrupt registers in
+ * processor.
+ */
+#define NR_IRQS		64
+
+#define irq_canonicalize(irq) (irq)
+
+extern int irq_soft_alloc(unsigned int *soft);
+extern void ack_bad_irq(unsigned int irq);
+extern void do_IRQ(int irq, struct pt_regs *fp);
+
+#endif /* _ASM_UBICOM32_IRQ_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/irq_regs.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/irq_regs.h
+ *   Generic irq_regs.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IRQ_REGS_H
+#define _ASM_UBICOM32_IRQ_REGS_H
+
+#include <asm-generic/irq_regs.h>
+
+#endif /* _ASM_UBICOM32_IRQ_REGS_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/irqflags.h

@@ -0,0 +1,96 @@
+/*
+ * arch/ubicom32/include/asm/irqflags.h
+ *   Raw implementation of local IRQ functions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IRQFLAGS_H
+#define _ASM_UBICOM32_IRQFLAGS_H
+
+#include <linux/thread_info.h>
+#include <asm/ubicom32-common.h>
+#if defined(CONFIG_SMP)
+#include <asm/smp.h>
+#endif
+#include <asm/ldsr.h>
+
+#if defined(CONFIG_PREEMPT)
+#error Not supported by Ubicom32 irq handling, yet!
+#endif
+
+/*
+ * raw_local_irq_enable()
+ *	Enable interrupts for this thread.
+ */
+static inline void raw_local_irq_enable(void)
+{
+	ldsr_local_irq_enable();
+}
+
+/*
+ * raw_local_irq_disable()
+ *	Disable interrupts for this thread.
+ */
+static inline void raw_local_irq_disable(void)
+{
+	ldsr_local_irq_disable();
+}
+
+/*
+ * raw_local_save_flags()
+ *	Get the current IRQ state.
+ */
+#define raw_local_save_flags(flags) 		\
+do {						\
+	(flags) = ldsr_local_irq_is_disabled();	\
+} while (0)
+
+/*
+ * raw_local_irq_save()
+ *	Save the current interrupt state and disable interrupts.
+ */
+#define raw_local_irq_save(flags)		\
+do {						\
+	(flags) = ldsr_local_irq_save();	\
+} while (0)
+
+/*
+ * raw_local_irq_restore()
+ *	Restore the IRQ state back to flags.
+ */
+static inline void raw_local_irq_restore(unsigned long flags)
+{
+	ldsr_local_irq_restore(flags);
+}
+
+/*
+ * raw_irqs_disabled_flags()
+ *	Return true if the flags indicate that IRQ(s) are disabled.
+ */
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+	return (flags);
+}
+
+#endif /* _ASM_UBICOM32_IRQFLAGS_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/kdebug.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/kdebug.h
+ *   Generic kdebug.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_KDEBUG_H
+#define _ASM_UBICOM32_KDEBUG_H
+
+#include <asm-generic/kdebug.h>
+
+#endif /* _ASM_UBICOM32_KDEBUG_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/kmap_types.h

@@ -0,0 +1,48 @@
+/*
+ * arch/ubicom32/include/asm/kmap_types.h
+ *   Definition of km_type's for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_KMAP_TYPES_H
+#define _ASM_UBICOM32_KMAP_TYPES_H
+
+enum km_type {
+	KM_BOUNCE_READ,
+	KM_SKB_SUNRPC_DATA,
+	KM_SKB_DATA_SOFTIRQ,
+	KM_USER0,
+	KM_USER1,
+	KM_BIO_SRC_IRQ,
+	KM_BIO_DST_IRQ,
+	KM_PTE0,
+	KM_PTE1,
+	KM_IRQ0,
+	KM_IRQ1,
+	KM_SOFTIRQ0,
+	KM_SOFTIRQ1,
+	KM_TYPE_NR
+};
+
+#endif /* _ASM_UBICOM32_KMAP_TYPES_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ldsr.h

@@ -0,0 +1,186 @@
+/*
+ * arch/ubicom32/include/asm/ldsr.h
+ *   Ubicom32 LDSR interface definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_LDSR_H
+#define _ASM_UBICOM32_LDSR_H
+
+#include <asm/ubicom32-common.h>
+#include <asm/types.h>
+#include <asm/thread.h>
+
+extern unsigned int ldsr_soft_irq_mask;
+
+/*
+ * ldsr_local_irq_is_disabled()
+ *	Test if interrupts are disabled for this thread?
+ */
+static inline int ldsr_local_irq_is_disabled(void)
+{
+	int ret;
+	thread_t self = thread_get_self();
+	unsigned int mask = (1 << self);
+
+	asm volatile (
+	"	and.4	%0, scratchpad1, %1	\n\t"
+		: "=r" (ret)
+		: "d" (mask)
+		: "cc"
+	);
+
+	/*
+	 *  We return a simple 1 == disabled, 0 == enabled
+	 *  losing which tid this is for, because Linux
+	 *  can restore interrupts on a different thread.
+	 */
+	return ret >> self;
+}
+
+/*
+ * ldsr_local_irq_save()
+ *	Get the current interrupt state and disable interrupts.
+ */
+static inline unsigned int ldsr_local_irq_save(void)
+{
+	int ret;
+	thread_t self = thread_get_self();
+	unsigned int mask = (1 << self);
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 */
+	asm volatile (
+	"	and.4	%0, scratchpad1, %1		\n\t"
+	"	or.4	scratchpad1, scratchpad1, %1	\n\t"
+		: "=&r" (ret)
+		: "d" (mask)
+		: "cc", "memory"
+	);
+
+	/*
+	 *  We return a simple 1 == disabled, 0 == enabled
+	 *  losing which tid this is for, because Linux
+	 *  can restore interrupts on a different thread.
+	 */
+	return ret >> self;
+}
+
+/*
+ * ldsr_local_irq_restore()
+ * 	Restore this cpu's interrupt enable/disable state.
+ *
+ * Note: flags is either 0 or 1.
+ */
+static inline void ldsr_local_irq_restore(unsigned int flags)
+{
+	unsigned int temp;
+	thread_t self = thread_get_self();
+	unsigned int mask = (1 << self);
+	flags = (flags << self);
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 *
+	 * Atomic change to our bit in scratchpad1 without
+	 * causing any temporary glitch in the value and
+	 * without effecting other values.  Also this uses
+	 * no branches so no penalties.
+	 */
+	asm volatile (
+	"	xor.4	%0, scratchpad1, %1		\n\t"
+	"	and.4	%0, %2, %0			\n\t"
+	"	xor.4	scratchpad1, scratchpad1, %0	\n\t"
+	"	move.4	int_set0, %3			\n\t"
+		: "=&d"(temp)
+		: "d"(flags), "r"(mask), "r"(ldsr_soft_irq_mask)
+		: "cc", "memory"
+	);
+}
+
+/*
+ * ldsr_local_irq_disable_interrupt()
+ * 	Disable ints for this thread.
+ */
+static inline void ldsr_local_irq_disable(void)
+{
+	unsigned int mask = (1 << thread_get_self());
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 */
+	asm  volatile (
+	"	or.4	scratchpad1, scratchpad1, %0	\n\t"
+		:
+		: "d" (mask)
+		: "cc", "memory"
+	);
+}
+
+/*
+ * ldsr_local_irq_enable_interrupt
+ * 	Enable ints for this thread.
+ */
+static inline void ldsr_local_irq_enable(void)
+{
+	unsigned int mask = (1 << thread_get_self());
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 */
+	asm volatile (
+	"	and.4	scratchpad1, scratchpad1, %0	\n\t"
+	"	move.4	int_set0, %1			\n\t"
+		:
+		: "d" (~mask), "r" (ldsr_soft_irq_mask)
+		: "cc", "memory"
+	);
+}
+
+extern void ldsr_init(void);
+extern void ldsr_set_trap_irq(unsigned int irq);
+extern void ldsr_mask_vector(unsigned int vector);
+extern void ldsr_unmask_vector(unsigned int vector);
+extern void ldsr_enable_vector(unsigned int vector);
+extern void ldsr_disable_vector(unsigned int vector);
+extern thread_t ldsr_get_threadid(void);
+
+#endif /* _ASM_UBICOM32_LDSR_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/linkage.h

@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/linkage.h
+ *   Definition of Ubicom32 architecture specific linkage types.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_LINKAGE_H
+#define _ASM_UBICOM32_LINKAGE_H
+
+#define __ocm_text __section(.ocm_text)
+#define __ocm_data __section(.ocm_data)
+
+#endif	/* _ASM_UBICOM32_LINKAGE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/local.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/local.h
+ *   Generic local.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_LOCAL_H
+#define _ASM_UBICOM32_LOCAL_H
+
+#include <asm-generic/local.h>
+
+#endif /* _ASM_UBICOM32_LOCAL_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/machdep.h

@@ -0,0 +1,43 @@
+/*
+ * arch/ubicom32/include/asm/machdep.h
+ *   Machine dependent utility routines.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MACHDEP_H
+#define _ASM_UBICOM32_MACHDEP_H
+
+#include <linux/interrupt.h>
+
+/* Hardware clock functions */
+extern unsigned long hw_timer_offset(void);
+
+/* machine dependent power off functions */
+extern void (*mach_reset)(void);
+extern void (*mach_halt)(void);
+extern void (*mach_power_off)(void);
+
+extern void config_BSP(char *command, int len);
+
+#endif /* _ASM_UBICOM32_MACHDEP_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/mc146818rtc.h

@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/mc146818rtc.h
+ *   Generic mc146818rtc.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef _ASM_UBICOM32_MC146818RTC_H
+#define _ASM_UBICOM32_MC146818RTC_H
+
+/* empty include file to satisfy the include in genrtc.c/ide-geometry.c */
+
+#endif /* _ASM_UBICOM32_MC146818RTC_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/memory_map.h

@@ -0,0 +1,66 @@
+/*
+ * arch/ubicom32/include/asm/memory_map.h
+ *   Machine memory maps/
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MEMORY_MAP_H
+#define _ASM_UBICOM32_MEMORY_MAP_H
+
+/*
+ * Memory Size
+ */
+#define OCM_SECTOR_SIZE	0x00008000		/* 32K */
+
+#if defined(CONFIG_UBICOM32_V3)
+#define OCMSIZE	0x00030000	/* 192K on-chip RAM for both program and data */
+#elif defined(CONFIG_UBICOM32_V4)
+#define OCMSIZE	0x0003C000	/* 240K on-chip RAM for both program and data */
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+#define OCMSTART	0x3ffc0000 /* alias from 0x03000000 for easy
+				    * jump to/from SDRAM */
+#define OCMEND		(OCMSTART + OCMSIZE)
+
+#define SDRAMSTART	0x40000000
+
+#define KERNELSTART	(SDRAMSTART + 0x00400000)
+
+#define FLASHSTART	0x60000000
+
+/*
+ * CODELOADER / OS_SYSCALL OCM Reservations
+ * Don't change these unless you know what you are doing.
+ */
+#define CODELOADER_SIZE  0x30
+#define CODELOADER_BEGIN OCMSTART /* Must be OCM start for gdb to work. */
+#define CODELOADER_END	 (CODELOADER_BEGIN + CODELOADER_SIZE)
+
+#define OS_SYSCALL_BEGIN CODELOADER_END	/* system_call at this address */
+#define OS_SYSCALL_SIZE  (512 - CODELOADER_SIZE)
+#define OS_SYSCALL_END	 (OS_SYSCALL_BEGIN + OS_SYSCALL_SIZE)
+
+#endif /* _ASM_UBICOM32_MEMORY_MAP_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/mman.h

@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/include/asm/mman.h
+ *   Memory mapping definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MMAN_H
+#define _ASM_UBICOM32_MMAN_H
+
+#include <asm-generic/mman.h>
+
+#define MAP_GROWSDOWN	0x0100		/* stack-like segment */
+#define MAP_DENYWRITE	0x0800		/* ETXTBSY */
+#define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
+#define MAP_LOCKED	0x2000		/* pages are locked */
+#define MAP_NORESERVE	0x4000		/* don't check for reservations */
+#define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
+
+#define MCL_CURRENT	1		/* lock all current mappings */
+#define MCL_FUTURE	2		/* lock all future mappings */
+
+#endif /* _ASM_UBICOM32_MMAN_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/mmu.h

@@ -0,0 +1,41 @@
+/*
+ * arch/ubicom32/include/asm/mmu.h
+ *   Definition of mm_context_t struct for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2002, David McCullough <[email protected]>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MMU_H
+#define _ASM_UBICOM32_MMU_H
+
+typedef struct {
+	struct vm_list_struct	*vmlist;
+	unsigned long		end_brk;
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+	unsigned long	exec_fdpic_loadmap;
+	unsigned long	interp_fdpic_loadmap;
+#endif
+} mm_context_t;
+
+#endif /* _ASM_UBICOM32_MMU_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/mmu_context.h

@@ -0,0 +1,60 @@
+/*
+ * arch/ubicom32/include/asm/mmu_context.h
+ *   MMU context definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004, Microtronix Datacom Ltd., All rights reserved.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_MMU_CONTEXT_H
+#define _ASM_UBICOM32_MMU_CONTEXT_H
+
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/pgalloc.h>
+
+static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
+{
+}
+
+extern inline int
+init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+{
+	// mm->context = virt_to_phys(mm->pgd);
+	return(0);
+}
+
+#define destroy_context(mm)		do { } while(0)
+
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk)
+{
+}
+
+#define deactivate_mm(tsk,mm)	do { } while (0)
+
+extern inline void activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
+{
+}
+
+#endif /* _ASM_UBICOM32_MMU_CONTEXT_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/module.h

@@ -0,0 +1,48 @@
+/*
+ * arch/ubicom32/include/asm/module.h
+ *   Ubicom32 architecture specific module definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MODULE_H
+#define _ASM_UBICOM32_MODULE_H
+
+struct mod_arch_specific {
+	void *ocm_inst;
+	int ocm_inst_size;
+};
+
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Ehdr Elf32_Ehdr
+
+#define ARCH_PROC_MODULES_EXTRA(m,mod) \
+	seq_printf(m, " OCM(%d bytes @ 0x%p)", \
+		   (mod)->arch.ocm_inst_size, (mod)->arch.ocm_inst)
+
+#define ARCH_OOPS_MODULE_EXTRA(mod) \
+	printk(KERN_INFO "%p %u OCM(%p %u)\n", \
+		(mod)->module_core, (mod)->core_size, \
+		(mod)->arch.ocm_inst, (mod)->arch.ocm_inst_size)
+#endif /* _ASM_UBICOM32_MODULE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/msgbuf.h

@@ -0,0 +1,58 @@
+/*
+ * arch/ubicom32/include/asm/msgbuf.h
+ *   Definition of msqid64_ds struct for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MSGBUF_H
+#define _ASM_UBICOM32_MSGBUF_H
+
+/*
+ * The msqid64_ds structure for ubicom32 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct msqid64_ds {
+	struct ipc64_perm msg_perm;
+	__kernel_time_t msg_stime;	/* last msgsnd time */
+	unsigned long	__unused1;
+	__kernel_time_t msg_rtime;	/* last msgrcv time */
+	unsigned long	__unused2;
+	__kernel_time_t msg_ctime;	/* last change time */
+	unsigned long	__unused3;
+	unsigned long  msg_cbytes;	/* current number of bytes on queue */
+	unsigned long  msg_qnum;	/* number of messages in queue */
+	unsigned long  msg_qbytes;	/* max number of bytes on queue */
+	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
+	__kernel_pid_t msg_lrpid;	/* last receive pid */
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+#endif /* _ASM_UBICOM32_MSGBUF_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/mutex.h

@@ -0,0 +1,41 @@
+/*
+ * arch/ubicom32/include/asm/mutex.h
+ *   Generic mutex.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ * Pull in the generic implementation for the mutex fastpath.
+ *
+ * TODO: implement optimized primitives instead, or leave the generic
+ * implementation in place, or pick the atomic_xchg() based generic
+ * implementation. (see asm-generic/mutex-xchg.h for details)
+ */
+
+#ifndef _ASM_UBICOM32_MUTEX_H
+#define _ASM_UBICOM32_MUTEX_H
+
+#include <asm-generic/mutex-dec.h>
+
+#endif /* _ASM_UBICOM32_MUTEX_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/namei.h

@@ -0,0 +1,38 @@
+/*
+ * arch/ubicom32/include/asm/namei.h
+ *   Definition of __emul_prefix() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_NAMEI_H
+#define _ASM_UBICOM32_NAMEI_H
+
+/* This dummy routine maybe changed to something useful
+ * for /usr/gnemul/ emulation stuff.
+ * Look at asm-sparc/namei.h for details.
+ */
+
+#define __emul_prefix() NULL
+
+#endif /* _ASM_UBICOM32_NAMEI_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ocm-alloc.h

@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/ocm-alloc.h
+ *   Ubicom32 architecture specific ocm definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_OCM_ALLOC_H
+#define _ASM_UBICOM32_OCM_ALLOC_H
+
+
+extern void *ocm_inst_alloc(size_t size, pid_t pid);
+extern int ocm_free(const void *ptr);
+extern int ocm_inst_free(const void *ptr);
+
+#endif /* _ASM_UBICOM32_OCM_ALLOC_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ocm_size.h

@@ -0,0 +1,3 @@
+#define APP_OCM_CODE_SIZE (0x3ffc2e00-0x3ffc0000)
+#define APP_OCM_DATA_SIZE (0x3ffd3500-0x3ffc8000)
+

target/linux/ubicom32/files/arch/ubicom32/include/asm/ocm_text.lds.inc

@@ -0,0 +1,175 @@
+/*
+ * arch/ubicom32/include/asm/ocm_text.lds.inc
+ *	<TODO: Replace with short file description>
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+*(.text.do_csum)
+*(.text.tcp_packet)
+*(.text.ipt_do_table)
+*(.text.nf_conntrack_in)
+*(.text.ip_forward)
+*(.text.dev_queue_xmit)
+*(.text.netif_receive_skb)
+*(.text.ip_route_input)
+*(.text.ip_finish_output)
+*(.text.nf_iterate)
+*(.text.__hash_conntrack)
+*(.text.memset)
+*(.text.memcpy)
+*(.text.ip_rcv)
+*(.text.__nf_conntrack_find)
+*(.text.dev_hard_start_xmit)
+*(.text.vlan_dev_hard_start_xmit)
+*(.text.vlan_dev_hard_header)
+*(.text.__nf_ct_refresh_acct)
+*(.text.tcp_error)
+*(.text.pfifo_fast_enqueue)
+*(.text.ipv4_confirm)
+*(.text.ip_output)
+*(.text.neigh_connected_output)
+*(.text.nf_hook_slow)
+*(.text.nf_nat_packet)
+*(.text.local_bh_enable)
+*(.text.pfifo_fast_dequeue)
+*(.text.ubi32_eth_receive)
+*(.text.nf_nat_fn)
+*(.text.skb_checksum)
+*(.text.memmove)
+*(.text.ubi32_eth_tx_done)
+*(.text.eth_header)
+*(.text.skb_release_data)
+*(.text.nf_conntrack_find_get)
+*(.text.process_backlog)
+*(.text.vlan_skb_recv)
+*(.text.ip_rcv_finish)
+*(.text.__qdisc_run)
+*(.text.skb_push)
+*(.text.eth_type_trans)
+*(.text.__alloc_skb)
+*(.text.netif_rx)
+*(.text.nf_ip_checksum)
+*(.text.__skb_checksum_complete_head)
+*(.text.ipv4_conntrack_defrag)
+*(.text.tcp_pkt_to_tuple)
+*(.text.kfree)
+*(.text.tcp_manip_pkt)
+*(.text.skb_put)
+*(.text.nf_ct_get_tuple)
+*(.text.__kmalloc)
+*(.text.ubi32_eth_start_xmit)
+*(.text.free_block)
+*(.text.ipt_hook)
+*(.text.kmem_cache_free)
+*(.text.skb_pull_rcsum)
+*(.text.cache_alloc_refill)
+*(.text.skb_release_head_state)
+*(.text.manip_pkt)
+*(.text.ip_sabotage_in)
+*(.text.ip_forward_finish)
+*(.text.kmem_cache_alloc)
+*(.text.local_bh_disable)
+*(.text.ipv4_pkt_to_tuple)
+*(.text.inet_proto_csum_replace4)
+*(.text.__nf_ct_l4proto_find)
+*(.text.csum_partial)
+*(.text.neigh_resolve_output)
+*(.text.__kfree_skb)
+*(.text.kfree_skb)
+*(.text.__find_vlan_dev)
+*(.text.ldsr_ctxsw_thread)
+*(.text.__do_IRQ)
+*(.text.skb_pull)
+*(.text.ipv4_invert_tuple)
+*(.text.nf_ct_invert_tuplepr)
+*(.text.skb_make_writable)
+*(.text.ipv4_get_l4proto)
+*(.text.handle_IRQ_event)
+*(.text.net_rx_action)
+*(.text.__do_softirq)
+*(.text.nf_nat_in)
+*(.text.note_interrupt)
+*(.text.ipv4_conntrack_in)
+*(.text.dst_release)
+*(.text.tasklet_action)
+*(.text.nf_nat_out)
+*(.text.nf_ct_invert_tuple)
+*(.text.do_IRQ)
+*(.text.__tasklet_schedule)
+*(.text.__skb_checksum_complete)
+*(.text.ubi32_eth_interrupt)
+*(.text.dev_kfree_skb_any)
+*(.text.ret_from_interrupt_to_kernel)
+*(.text.preemptive_context_save)
+*(.text.irq_ack_vector)
+*(.text.update_wall_time)
+*(.text.ldsr_thread)
+*(.text.irq_exit)
+*(.text.ubi32_eth_do_tasklet)
+*(.text.__napi_schedule)
+*(.text.idle_cpu)
+*(.text.run_timer_softirq)
+*(.text.ldsr_mask_vector)
+*(.text.irq_enter)
+*(.text.ldsr_get_lsb)
+*(.text.ldsr_unmask_vector)
+*(.text.ip_fast_csum)
+*(.text.hrtimer_run_queues)
+*(.text.tcp_invert_tuple)
+*(.text.T___705)
+*(.text.run_posix_cpu_timers)
+*(.text.free_hot_cold_page)
+*(.text.lock_timer_base)
+*(.text.calc_delta_mine)
+*(.text.slab_destroy)
+*(.text.rcu_pending)
+*(.text.scheduler_tick)
+*(.text.hrtimer_run_pending)
+*(.text.do_softirq)
+*(.text.del_timer)
+*(.text.irq_end_vector)
+*(.text.pci_read_u32)
+*(.text.udivmodsi4)
+*(.text.memcmp)
+*(.text.memset)
+*(.text.__slab_alloc)
+*(.text.br_handle_frame)
+*(.text.br_fdb_update)
+*(.text.__br_fdb_get)
+*(.text.br_forward)
+*(.text.br_handle_frame_finish)
+*(.text.pci_write_u32)
+*(.text.kmem_freepages)
+*(.text.br_dev_queue_push_xmit)
+*(.text.ioread32)
+*(.text.next_zones_zonelist)
+*(.text.ubi32_pci_read_u32)
+*(.text.zone_watermark_ok)
+*(.text.__rmqueue_smallest)
+*(.text.ubi32_eth_napi_poll)
+*(.text.ubi32_pci_write_u32)
+*(.text.ubi32_pci_read_u32)
+*(.text._local_bh_enable)
+*(.text._local_bh_disable)
+*(.text.get_slab)

target/linux/ubicom32/files/arch/ubicom32/include/asm/page.h

@@ -0,0 +1,106 @@
+/*
+ * arch/ubicom32/include/asm/page.h
+ *   Memory page related operations and definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PAGE_H
+#define _ASM_UBICOM32_PAGE_H
+
+/* PAGE_SHIFT determines the page size */
+
+#define PAGE_SHIFT	12
+#define PAGE_SIZE	(1 << PAGE_SHIFT)
+#define PAGE_MASK	(~(PAGE_SIZE-1))
+
+#include <asm/setup.h>
+
+#ifndef __ASSEMBLY__
+
+#define get_user_page(vaddr)		__get_free_page(GFP_KERNEL)
+#define free_user_page(page, addr)	free_page(addr)
+
+#define clear_page(page)	memset((page), 0, PAGE_SIZE)
+#define copy_page(to,from)	memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(page, vaddr, pg)	clear_page(page)
+#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
+
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef struct { unsigned long pte; } pte_t;
+typedef struct { unsigned long pmd[16]; } pmd_t;
+typedef struct { unsigned long pgd; } pgd_t;
+typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct page *pgtable_t;
+
+#define pte_val(x)	((x).pte)
+#define pmd_val(x)	((&x)->pmd[0])
+#define pgd_val(x)	((x).pgd)
+#define pgprot_val(x)	((x).pgprot)
+
+#define __pte(x)	((pte_t) { (x) } )
+#define __pmd(x)	((pmd_t) { (x) } )
+#define __pgd(x)	((pgd_t) { (x) } )
+#define __pgprot(x)	((pgprot_t) { (x) } )
+
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+
+#endif /* !__ASSEMBLY__ */
+
+#include <asm/page_offset.h>
+
+#define PAGE_OFFSET		(PAGE_OFFSET_RAW)
+
+#ifndef __ASSEMBLY__
+
+#define __pa(vaddr)		virt_to_phys((void *)(vaddr))
+#define __va(paddr)		phys_to_virt((unsigned long)(paddr))
+
+#define virt_to_pfn(kaddr)	(__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_virt(pfn)	__va((pfn) << PAGE_SHIFT)
+
+#define virt_to_page(addr)	(mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
+#define page_to_virt(page)	((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
+
+#define pfn_to_page(pfn)	virt_to_page(pfn_to_virt(pfn))
+#define page_to_pfn(page)	virt_to_pfn(page_to_virt(page))
+#define pfn_valid(pfn)	        ((pfn) < max_mapnr)
+
+#define	virt_addr_valid(kaddr)	(((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
+				((void *)(kaddr) < (void *)memory_end))
+
+#endif /* __ASSEMBLY__ */
+
+#ifdef __KERNEL__
+#include <asm-generic/page.h>
+#endif
+
+#endif /* _ASM_UBICOM32_PAGE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/page_offset.h

@@ -0,0 +1,35 @@
+/*
+ * arch/ubicom32/include/asm/page_offset.h
+ *   Definition of PAGE_OFFSET_RAW for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_PAGE_OFFSET_H
+#define _ASM_UBICOM32_PAGE_OFFSET_H
+
+/* This handles the memory map.. */
+#define	PAGE_OFFSET_RAW		0x3ffc0000
+
+#endif /* _ASM_UBICOM32_PAGE_OFFSET_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/param.h

@@ -0,0 +1,49 @@
+/*
+ * arch/ubicom32/include/asm/param.h
+ *   Definition of miscellaneous constants, including HZ.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PARAM_H
+#define _ASM_UBICOM32_PARAM_H
+
+#ifdef __KERNEL__
+#define HZ CONFIG_HZ
+#define	USER_HZ		HZ
+#define	CLOCKS_PER_SEC	(USER_HZ)
+#endif
+
+#ifndef HZ
+#define HZ	100
+#endif
+
+#define EXEC_PAGESIZE	4096
+
+#ifndef NOGROUP
+#define NOGROUP		(-1)
+#endif
+
+#define MAXHOSTNAMELEN	64	/* max length of hostname */
+
+#endif /* _ASM_UBICOM32_PARAM_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/pci.h

@@ -0,0 +1,210 @@
+/*
+ * arch/ubicom32/include/asm/pci.h
+ *   Definitions of PCI operations for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PCI_H
+#define _ASM_UBICOM32_PCI_H
+
+#include <asm/io.h>
+
+/* The PCI address space does equal the physical memory
+ * address space.  The networking and block device layers use
+ * this boolean for bounce buffer decisions.
+ */
+#define PCI_DMA_BUS_IS_PHYS	(1)
+
+
+
+/*
+ * Perform a master read/write to the PCI bus.
+ * These functions return a PCI_RESP_xxx code.
+ */
+extern u8 pci_read_u32(u8 pci_cmd, u32 address, u32 *data);
+extern u8 pci_write_u32(u8 pci_cmd, u32 address, u32 data);
+extern u8 pci_read_u16(u8 pci_cmd, u32 address, u16 *data);
+extern u8 pci_write_u16(u8 pci_cmd, u32 address, u16 data);
+extern u8 pci_read_u8(u8 pci_cmd, u32 address, u8 *data);
+extern u8 pci_write_u8(u8 pci_cmd, u32 address, u8 data);
+
+
+#define PCIBIOS_MIN_IO          0x100
+#define PCIBIOS_MIN_MEM         0x10000000
+
+#define pcibios_assign_all_busses()	0
+#define pcibios_scan_all_fns(a, b)	0
+extern void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+	struct resource *res);
+
+extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+	struct pci_bus_region *region);
+
+struct pci_sys_data;
+struct pci_bus;
+
+struct hw_pci {
+        struct list_head buses;
+        int             nr_controllers;
+        int             (*setup)(int nr, struct pci_sys_data *);
+        struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
+        void            (*preinit)(void);
+        void            (*postinit)(void);
+        u8              (*swizzle)(struct pci_dev *dev, u8 *pin);
+        int             (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
+};
+
+/*
+ * Per-controller structure
+ */
+struct pci_sys_data {
+        struct list_head node;
+        int             busnr;          /* primary bus number                   */
+        u64             mem_offset;     /* bus->cpu memory mapping offset       */
+        unsigned long   io_offset;      /* bus->cpu IO mapping offset           */
+        struct pci_bus  *bus;           /* PCI bus                              */
+        struct resource *resource[3];   /* Primary PCI bus resources            */
+                                        /* Bridge swizzling                     */
+        u8              (*swizzle)(struct pci_dev *, u8 *);
+                                        /* IRQ mapping                          */
+        int             (*map_irq)(struct pci_dev *, u8, u8);
+        struct hw_pci   *hw;
+};
+
+static  inline struct resource *
+pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+{
+        struct resource *root = NULL;
+
+        if (res->flags & IORESOURCE_IO)
+                root = &ioport_resource;
+        if (res->flags & IORESOURCE_MEM)
+                root = &iomem_resource;
+
+        return root;
+}
+
+static inline void pcibios_set_master(struct pci_dev *dev)
+{
+        /* No special bus mastering setup handling */
+}
+#define HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_SIZE 1
+#define HAVE_ARCH_PCI_SET_DMA_SEGMENT_BOUNDARY 1
+
+#ifdef CONFIG_PCI
+static inline void * pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
+                     dma_addr_t *dma_handle)
+{
+    void *vaddr = kmalloc(size, GFP_KERNEL);
+    if(vaddr != NULL) {
+        *dma_handle = virt_to_phys(vaddr);
+    }
+    return vaddr;
+}
+
+static  inline int pci_dma_supported(struct pci_dev *hwdev, dma_addr_t mask)
+{
+	return 1;
+}
+
+static  inline void pci_free_consistent(struct pci_dev *hwdev, size_t size,
+	void *cpu_addr, dma_addr_t dma_handle)
+{
+	kfree(cpu_addr);
+	return;
+}
+
+static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
+	size_t size, int direction)
+{
+	 return virt_to_phys(ptr);
+}
+
+static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+	size_t size, int direction)
+{
+	 return;
+}
+
+static inline dma_addr_t
+pci_map_page(struct pci_dev *hwdev, struct page *page,
+             unsigned long offset, size_t size, int direction)
+{
+	 return pci_map_single(hwdev, page_address(page) + offset, size, (int)direction);
+}
+
+static inline void
+pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
+               size_t size, int direction)
+{
+	pci_unmap_single(hwdev, dma_address, size, direction);
+}
+
+static inline int
+pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+           int nents, int direction)
+{
+        return nents;
+}
+
+static inline void
+pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+             int nents, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg,
+                int nelems, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg,
+                int nelems, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle,
+                    size_t size, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle,
+                    size_t size, int direction)
+{
+}
+
+static inline int
+pci_dma_mapping_error(struct pci_dev *hwdev, dma_addr_t dma_addr)
+{
+        return dma_addr == 0;
+}
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+#endif
+
+#endif /* _ASM_UBICOM32_PCI_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/pcm_tio.h

@@ -0,0 +1,84 @@
+/*
+ * arch/ubicom32/include/asm/pcm_tio.h
+ *   Ubicom32 architecture PCM TIO definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_PCM_TIO_H
+#define _ASM_UBICOM32_PCM_TIO_H
+
+#include <asm/devtree.h>
+
+#define PCM_TIO_REGS_VERSION	2
+struct pcm_tio_regs {
+	/*
+	 * set this value to 1 to reload the parameters and restart the HRT
+	 */
+	u32_t		reload;
+
+	/*
+	 * Pointers to the input and output buffers
+	 */
+	void		*input_buf;
+	void		*output_buf;
+
+	/*
+	 * Buffer size (see pcm_hrt.S for constraints)
+	 */
+	u32_t		buffer_size;
+
+	/*
+	 * Current cycle.  This variable increases every time half the buffer
+	 * is consumed.
+	 */
+	u32_t		cycle;
+
+	/*
+	 * Fields below this line are not accessed by the HRT.  They are purely
+	 * informational for the user of this TIO.
+	 */
+
+	/*
+	 * Version of this structure
+	 */
+	u32_t		version;
+
+	/*
+	 * Number of channels supported
+	 */
+	u32_t		channels;
+
+	/*
+	 * Maximum buffer size
+	 */
+	u32_t		max_buffer_size;
+};
+
+/*
+ * Our device node
+ */
+#define PCM_TIO_NODE_VERSION	1
+struct pcm_tio_node {
+	struct devtree_node	dn;
+	u32_t			version;
+	struct pcm_tio_regs	*regs;
+};
+
+#endif
+

target/linux/ubicom32/files/arch/ubicom32/include/asm/percpu.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/percpu.h
+ *   Generic percpu.h for the Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PERCPU_H
+#define _ASM_UBICOM32_PERCPU_H
+
+#include <asm-generic/percpu.h>
+
+#endif /* _ASM_UBICOM32_PERCPU_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/pgalloc.h

@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/pgalloc.h
+ *   Page table allocation definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PGALLOC_H
+#define _ASM_UBICOM32_PGALLOC_H
+
+#include <linux/mm.h>
+#include <asm/setup.h>
+
+#define check_pgt_cache()	do { } while (0)
+
+#endif /* _ASM_UBICOM32_PGALLOC_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/pgtable.h

@@ -0,0 +1,124 @@
+/*
+ * arch/ubicom32/include/asm/pgtable.h
+ *   Ubicom32 pseudo page table definitions and operations.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *   and various works, Alpha, ix86, M68K, Sparc, ...et al
+ */
+#ifndef _ASM_UBICOM32_PGTABLE_H
+#define _ASM_UBICOM32_PGTABLE_H
+
+#include <asm-generic/4level-fixup.h>
+
+//vic - this bit copied from m68knommu version
+#include <asm/setup.h>
+#include <asm/io.h>
+#include <linux/sched.h>
+
+typedef pte_t *pte_addr_t;
+
+#define pgd_present(pgd)     	(1)       /* pages are always present on NO_MM */
+#define pgd_none(pgd)		(0)
+#define pgd_bad(pgd)		(0)
+#define pgd_clear(pgdp)
+#define kern_addr_valid(addr) 	(1)
+#define	pmd_offset(a, b)	((void *)0)
+
+#define PAGE_NONE		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_SHARED		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_COPY		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_READONLY		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_KERNEL		__pgprot(0)    /* these mean nothing to NO_MM */
+//vic - this bit copied from m68knommu version
+
+extern void paging_init(void);
+#define swapper_pg_dir ((pgd_t *) 0)
+
+#define __swp_type(x)		(0)
+#define __swp_offset(x)		(0)
+#define __swp_entry(typ,off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
+#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
+#define __swp_entry_to_pte(x)	((pte_t) { (x).val })
+
+/*
+ * pgprot_noncached() is only for infiniband pci support, and a real
+ * implementation for RAM would be more complicated.
+ */
+#define pgprot_noncached(prot)	(prot)
+
+static inline int pte_file(pte_t pte) { return 0; }
+
+/*
+ * ZERO_PAGE is a global shared page that is always zero: used
+ * for zero-mapped memory areas etc..
+ */
+#define ZERO_PAGE(vaddr)	(virt_to_page(0))
+
+extern unsigned int kobjsize(const void *objp);
+extern int is_in_rom(unsigned long);
+
+/*
+ * No page table caches to initialise
+ */
+#define pgtable_cache_init()   do { } while (0)
+
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)		\
+		remap_pfn_range(vma, vaddr, pfn, size, prot)
+
+extern inline void flush_cache_mm(struct mm_struct *mm)
+{
+}
+
+extern inline void flush_cache_range(struct mm_struct *mm,
+				     unsigned long start,
+				     unsigned long end)
+{
+}
+
+/* Push the page at kernel virtual address and clear the icache */
+extern inline void flush_page_to_ram (unsigned long address)
+{
+}
+
+/* Push n pages at kernel virtual address and clear the icache */
+extern inline void flush_pages_to_ram (unsigned long address, int n)
+{
+}
+
+/*
+ * All 32bit addresses are effectively valid for vmalloc...
+ * Sort of meaningless for non-VM targets.
+ */
+#define	VMALLOC_START	0
+#define	VMALLOC_END	0xffffffff
+
+#define arch_enter_lazy_mmu_mode()	do {} while (0)
+#define arch_leave_lazy_mmu_mode()	do {} while (0)
+#define arch_flush_lazy_mmu_mode()	do {} while (0)
+#define arch_enter_lazy_cpu_mode()	do {} while (0)
+#define arch_leave_lazy_cpu_mode()	do {} while (0)
+#define arch_flush_lazy_cpu_mode()	do {} while (0)
+
+#endif /* _ASM_UBICOM32_PGTABLE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/plio.h

@@ -0,0 +1,313 @@
+/*
+ * plio.h
+ *	PLIO defines.
+ *
+ * Copyright © 2009 Ubicom Inc. <www.ubicom.com>.  All Rights Reserved.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation, either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ * This file contains confidential information of Ubicom, Inc. and your use of
+ * this file is subject to the Ubicom Software License Agreement distributed with
+ * this file. If you are uncertain whether you are an authorized user or to report
+ * any unauthorized use, please contact Ubicom, Inc. at +1-408-789-2200.
+ * Unauthorized reproduction or distribution of this file is subject to civil and
+ * criminal penalties.
+ */
+
+#ifndef __PLIO__H__
+#define __PLIO__H__
+
+#include <asm/ip5000.h>
+#include <asm/thread.h>
+
+#define PLIO_PORT		RD
+#define PLIO_EXT_PORT		RI
+
+#define TRANSMIT_FIFO_WATERMARK 8
+
+/*
+ * PLIO non-blocking register definitions
+ */
+#define PLIO_FN		2
+
+typedef struct {
+	unsigned	: 10;
+	unsigned	rxfifo_thread_enable: 1;   /* allowed rxfifo thread enable */
+	unsigned	: 1;
+	unsigned	rxfifo_thread: 4;          /* allowed rxfifo thread access */
+	unsigned	: 4;
+	unsigned	br_thread: 4;              /* allowed blocking region thread access */
+	unsigned	fn_reset: 4;               /* function reset bit vector */
+	unsigned	rxfifo_sel: 1;             /* select between RXFIFO 0 and 1 */
+	unsigned	fn_sel: 3;                 /* select port function */
+} plio_io_function_t;
+
+typedef struct {
+	unsigned	: 24;
+	unsigned	pin:8;
+} plio_gpio_t;
+
+typedef struct {
+	unsigned 	: 16;
+	unsigned 	txfifo_uf: 1;              /* TXFIFO underflow */
+	unsigned 	txfifo_wm: 1;              /* TXFIFO watermark */
+	unsigned 	rxfifo_of: 1;              /* RXFIFO overflow */
+	unsigned 	rxfifo_wm: 1;              /* RXFIFO watermark */
+	unsigned 	: 5;
+	unsigned 	lreg_int_addr_rd: 1;       /* read from specified LREG address */
+	unsigned 	lreg_int_addr_wr: 1;       /* write to specified LREG address */
+	unsigned 	extctl_int: 4;             /* synchronized external interrupts */
+	unsigned 	pfsm_int: 1;               /* state machine */
+} plio_intstat_t;
+
+typedef struct {
+	unsigned 	txfifo_reset: 1;           /* TXFIFO reset for int_set only */
+	unsigned 	rxfifo_reset: 1;           /* RXFIFO reset for int_set only */
+	unsigned 	: 11;
+	unsigned 	idif_txfifo_flush: 1;      /* flush TXFIFO and idif_txfifo */
+	unsigned 	idif_rxfifo_flush: 1;      /* flush RXFIFO and idif_rxfifo */
+	unsigned 	pfsm_start: 1;             /* input to fsm */
+	unsigned 	txfifo_uf: 1;              /* TXFIFO underflow */
+	unsigned 	txfifo_wm: 1;              /* TXFIFO watermark */
+	unsigned 	rxfifo_of: 1;              /* RXFIFO overflow */
+	unsigned 	rxfifo_wm: 1;              /* RXFIFO watermark */
+	unsigned 	: 5;
+	unsigned 	lreg_int_addr_rd: 1;       /* read from specified LREG address */
+	unsigned 	lreg_int_addr_wr: 1;       /* write to specified LREG address */
+	unsigned 	extctl_int: 4;             /* synchronized external interrupts */
+	unsigned 	pfsm_int: 1;               /* state machine */
+} plio_intset_t;
+
+typedef enum {
+	PLIO_PORT_MODE_D,
+	PLIO_PORT_MODE_DE,
+	PLIO_PORT_MODE_DI,
+	PLIO_PORT_MODE_DEI,
+	PLIO_PORT_MODE_DC,
+} plio_port_mode_t;
+
+typedef enum {
+	PLIO_CLK_CORE,	/* CORE CLK */
+	PLIO_CLK_IO,	/* IO CLK */
+	PLIO_CLK_EXT, 	/* EXT CLK */
+} plio_clk_src_t;
+typedef struct {
+	unsigned 		: 4;
+	unsigned 		edif_iaena_sel: 1;         /* Input Address Enable Select */
+	unsigned 		edif_iaclk_sel: 1;         /* Input Address Clock Select */
+	unsigned 		edif_iald_inv: 1;          /* Input Address Strobe Invert */
+	unsigned 		edif_idclk_sel: 1;         /* Input Data Clock Select */
+	unsigned 		edif_idld_inv: 1;          /* Input Data Strobe Invert */
+	unsigned 		edif_ds: 3;                /* specify IDR and ODR data shift */
+	unsigned 		edif_cmp_mode: 1;          /* configure IDR comparator output */
+	unsigned 		edif_idena_sel: 1;         /* Input Data Enable Select */
+	unsigned 		ecif_extclk_ena: 1;        /* plio_extctl output select */
+	unsigned 		idif_tx_fifo_cmd_sel: 1;   /* select pfsm_cmd data word position */
+	unsigned 		ptif_porti_cfg: 2;         /* select port I pin configuration */
+	unsigned 		ptif_portd_cfg: 3;         /* select port D pin configuration */
+	plio_port_mode_t	ptif_port_mode: 3;      /* select other plio ports  */
+	unsigned		icif_clk_plio_ext_inv: 1;  /* invert external plio clock when set */
+	unsigned		icif_rst_plio: 1;          /* reset plio function and io fifos */
+	plio_clk_src_t		icif_clk_src_sel: 2;      /* select plio clock source */
+	unsigned		pfsm_prog: 1;              /* enable pfsm programming */
+	unsigned 		pfsm_cmd: 3;               /* software input to pfsm */
+} plio_fctl0_t;
+
+typedef struct {
+	unsigned 	: 2;
+	unsigned 	idif_byteswap_tx: 3;       /* swap TXFIFO byte order */
+	unsigned 	idif_byteswap_rx: 3;       /* swap RXFIFO byte order */
+	unsigned 	: 1;
+	unsigned 	lreg_ena: 1;               /* enable local register map */
+	unsigned 	lreg_addr_fifo_cmp_ena: 1; /* enable a specific LREG address from/to TX/RX fifos */
+	unsigned 	lreg_addr_fifo_cmp: 5;     /* LREG address routed from/to TX/RX fifos */
+	unsigned 	: 1;
+	unsigned 	dcod_iald_idld_sel: 2;     /* select address/data strobes */
+	unsigned 	dcod_rw_src_sel: 1;        /* select LREG strobe source */
+	unsigned 	dcod_rd_sel: 5;            /* select read strobe source */
+	unsigned 	dcod_wr_sel: 5;            /* select write strobe source */
+	unsigned 	dcod_rd_lvl: 1;            /* select active level of read strobe */
+	unsigned 	dcod_wr_lvl: 1;            /* select active level of read strobe */
+} plio_fctl1_t;
+
+typedef struct {
+	unsigned 	icif_eclk_div: 16;         /* external plio clock divider */
+	unsigned 	icif_iclk_div: 16;         /* internal plio clock divider */
+} plio_fctl2_t;
+
+typedef struct {
+	unsigned 	: 27;
+	unsigned 	pfsm_state: 5;             /* current pfsm state */
+} plio_stat_0_t;
+
+typedef struct {
+	unsigned 	: 3;
+	unsigned 	lreg_r_int_addr: 5;
+	unsigned 	: 11;
+	unsigned 	lreg_w_int_addr: 5;
+	unsigned 	lreg_w_int_data: 8;
+} plio_stat_1_t;
+
+typedef struct {
+	unsigned 	: 32;
+} plio_stat_2_t;
+
+typedef struct {
+	unsigned 	tx: 16;
+	unsigned 	rx: 16;
+} plio_io_fifo_wm_t, plio_io_fifo_lvl_t;
+
+
+/* plio blocking region register definitions
+ */
+typedef struct {
+	unsigned	 ns1: 5;
+	unsigned	 ic1: 7;
+	unsigned	 ec1: 4;
+	unsigned	 ns0: 5;
+	unsigned	 ic0: 7;
+	unsigned	 ec0: 4;
+} plio_sram_t;
+
+typedef struct {
+	unsigned	 : 2;
+	unsigned	 s9: 3;
+	unsigned	 s8: 3;
+	unsigned	 s7: 3;
+	unsigned	 s6: 3;
+	unsigned	 s5: 3;
+	unsigned	 s4: 3;
+	unsigned	 s3: 3;
+	unsigned	 s2: 3;
+	unsigned	 s1: 3;
+	unsigned	 s0: 3;
+} plio_grpsel_t;
+
+typedef struct {
+	unsigned 	s7: 4;
+	unsigned 	s6: 4;
+	unsigned 	s5: 4;
+	unsigned 	s4: 4;
+	unsigned 	s3: 4;
+	unsigned 	s2: 4;
+	unsigned 	s1: 4;
+	unsigned 	s0: 4;
+} plio_cs_lut_t;
+
+typedef struct {
+	unsigned 	lut3: 8;
+	unsigned 	lut2: 8;
+	unsigned 	lut1: 8;
+	unsigned 	lut0: 8;
+} plio_extctl_t;
+
+typedef struct {
+	plio_grpsel_t	grpsel[4];
+	u16_t		cv[16];
+	plio_cs_lut_t	cs_lut[4];
+	plio_extctl_t	extctl_o_lut[8];
+} plio_pfsm_t;
+
+typedef struct {
+	u32_t		odr_oe_sel;
+	u32_t		odr_oe;
+	u32_t		cmp;
+	u32_t		ncmp;
+	u32_t		cmp_mask;
+} plio_edif_t;
+
+typedef enum {
+	PLIO_ECIF_CLK_OUT	= 9,
+	PLIO_ECIF_IALD		= 9,
+	PLIO_ECIF_CLK_IN	= 8,
+	PLIO_ECIF_IDLD		= 8,
+	PLIO_ECIF_INT		= 2,
+} plio_ecif_output_t;
+
+typedef struct {
+	u32_t 		bypass_sync;
+	u32_t 		ift;
+	u32_t 		output_type;
+	u32_t 		output_ena;
+	u32_t 		output_lvl;
+} plio_ecif_t;
+
+typedef struct {
+	u32_t 		idr_addr_pos_mask;
+	u32_t 		reserved;
+	u32_t 		lreg_bar;
+} plio_dcod_t;
+
+typedef struct {
+	u32_t 		addr_rd_ena;
+	u32_t 		addr_wr_ena;
+	u32_t 		addr_rd_int_ena;
+	u32_t 		addr_wr_int_ena;
+} plio_lcfg_t;
+
+
+/*
+ * PLIO configuration
+ */
+typedef struct {
+	plio_fctl0_t 	fctl0;
+	plio_fctl1_t 	fctl1;
+	plio_fctl2_t 	fctl2;
+} plio_fctl_t;
+
+typedef struct {
+	plio_pfsm_t 	pfsm;
+	plio_edif_t 	edif;
+	plio_ecif_t 	ecif;
+	plio_dcod_t 	dcod;
+	plio_lcfg_t 	lcfg;
+} plio_config_t;
+
+typedef struct {
+	plio_io_function_t	function;
+	plio_gpio_t		gpio_ctl;
+	plio_gpio_t		gpio_out;
+	plio_gpio_t		gpio_in;
+	plio_intstat_t		intstat;
+	plio_intstat_t		intmask;
+	plio_intset_t		intset;
+	plio_intstat_t		intclr;
+	unsigned		tx_lo;
+	unsigned		tx_hi;
+	unsigned		rx_lo;
+	unsigned		rx_hi;
+	plio_fctl0_t		fctl0;
+	plio_fctl1_t		fctl1;
+	plio_fctl2_t		fctl2;
+	plio_stat_0_t		stat0;
+	plio_stat_1_t		stat1;
+	plio_stat_2_t		stat2;
+	plio_io_fifo_wm_t	fifo_wm;
+	plio_io_fifo_lvl_t	fifo_lvl;
+} plio_nbr_t;
+
+typedef struct {
+	u32_t			pfsm_sram[256];
+	plio_config_t		config;
+} plio_br_t;
+
+#define PLIO_NBR	((plio_nbr_t *)(PLIO_PORT))
+#define PLIO_BR		((plio_br_t *)((PLIO_PORT + IO_PORT_BR_OFFSET)))
+#define PEXT_NBR	((plio_nbr_t *)(PLIO_EXT_PORT))
+
+extern void plio_init(const plio_fctl_t *plio_fctl, const plio_config_t *plio_config, const plio_sram_t plio_sram_cfg[], int sram_cfg_size);
+
+#endif // __PLIO__H__

target/linux/ubicom32/files/arch/ubicom32/include/asm/poll.h

@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/poll.h
+ *   Ubicom32 specific poll() related flags definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_POLL_H
+#define _ASM_UBICOM32_POLL_H
+
+#define POLLWRNORM	POLLOUT
+#define POLLWRBAND	0x0100
+
+#include <asm-generic/poll.h>
+
+#endif /* _ASM_UBICOM32_POLL_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/posix_types.h

@@ -0,0 +1,93 @@
+/*
+ * arch/ubicom32/include/asm/posix_types.h
+ *   Ubicom32 architecture posix types.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef __ARCH_UBICOM32_POSIX_TYPES_H
+#define __ARCH_UBICOM32_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned long	__kernel_ino_t;
+typedef unsigned short	__kernel_mode_t;
+typedef unsigned short	__kernel_nlink_t;
+typedef long		__kernel_off_t;
+typedef int		__kernel_pid_t;
+typedef unsigned short	__kernel_ipc_pid_t;
+typedef unsigned short	__kernel_uid_t;
+typedef unsigned short	__kernel_gid_t;
+typedef unsigned int	__kernel_size_t;
+typedef int		__kernel_ssize_t;
+typedef int		__kernel_ptrdiff_t;
+typedef long		__kernel_time_t;
+typedef long		__kernel_suseconds_t;
+typedef long		__kernel_clock_t;
+typedef int		__kernel_timer_t;
+typedef int		__kernel_clockid_t;
+typedef int		__kernel_daddr_t;
+typedef char *		__kernel_caddr_t;
+typedef unsigned short	__kernel_uid16_t;
+typedef unsigned short	__kernel_gid16_t;
+typedef unsigned int	__kernel_uid32_t;
+typedef unsigned int	__kernel_gid32_t;
+
+typedef unsigned short	__kernel_old_uid_t;
+typedef unsigned short	__kernel_old_gid_t;
+typedef unsigned short	__kernel_old_dev_t;
+
+#ifdef __GNUC__
+typedef long long	__kernel_loff_t;
+#endif
+
+typedef struct {
+#if defined(__KERNEL__) || defined(__USE_ALL)
+	int	val[2];
+#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+	int	__val[2];
+#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+} __kernel_fsid_t;
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
+
+#undef	__FD_SET
+#define	__FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+
+#undef	__FD_CLR
+#define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+
+#undef	__FD_ISSET
+#define	__FD_ISSET(d, set)	((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+
+#undef	__FD_ZERO
+#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp)))
+
+#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+
+#endif

target/linux/ubicom32/files/arch/ubicom32/include/asm/processor.h

@@ -0,0 +1,163 @@
+/*
+ * arch/ubicom32/include/asm/processor.h
+ *   Thread related definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1995 Hamish Macdonald
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_PROCESSOR_H
+#define _ASM_UBICOM32_PROCESSOR_H
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l;})
+
+#include <linux/compiler.h>
+#include <linux/threads.h>
+#include <asm/types.h>
+#include <asm/segment.h>
+#include <asm/fpu.h>
+#include <asm/ptrace.h>
+#include <asm/current.h>
+#include <asm/thread_info.h>
+
+#if defined(CONFIG_UBICOM32_V3)
+	#define	CPU "IP5K"
+#endif
+#if defined(CONFIG_UBICOM32_V4)
+	#define	CPU "IP7K"
+#endif
+#ifndef CPU
+	#define	CPU "UNKNOWN"
+#endif
+
+/*
+ * User space process size: 1st byte beyond user address space.
+ */
+extern unsigned long memory_end;
+#define TASK_SIZE	(memory_end)
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's. We won't be using it
+ */
+#define TASK_UNMAPPED_BASE	0
+
+/*
+ * This is the structure where we are going to save callee-saved registers.
+ * A5 is the return address, A7 is the stack pointer, A6 is the frame
+ * pointer.  This is the frame that is created because of switch_to. This
+ * is not the frame due to interrupt preemption or because of syscall entry.
+ */
+
+struct thread_struct {
+	unsigned long  d10;		/* D10  */
+	unsigned long  d11;		/* D11  */
+	unsigned long  d12;		/* D12  */
+	unsigned long  d13;		/* D13  */
+	unsigned long  a1;		/* A1  */
+	unsigned long  a2;		/* A2  */
+	unsigned long  a5;		/* A5 return address. */
+	unsigned long  a6;		/* A6 */
+	unsigned long  sp;		/* A7 kernel stack pointer. */
+};
+
+#define INIT_THREAD  { \
+	0, 0, 0, 0, 0, 0, 0, 0, \
+	sizeof(init_stack) + (unsigned long) init_stack - 8, \
+}
+
+/*
+ * Do necessary setup to start up a newly executed thread.
+ *
+ * pass the data segment into user programs if it exists,
+ * it can't hurt anything as far as I can tell
+ */
+/*
+ * Do necessary setup to start up a newly executed thread.
+ */
+#define start_thread(regs, new_pc, new_sp)	 \
+	do {					 \
+		regs->pc = new_pc & ~3;		 \
+		regs->an[5] = new_pc & ~3;	 \
+		regs->an[7] = new_sp;		 \
+		regs->nesting_level = -1;	 \
+		regs->frame_type = UBICOM32_FRAME_TYPE_NEW_THREAD; \
+		regs->thread_type = NORMAL_THREAD; \
+	} while(0)
+
+/* Forward declaration, a strange C thing */
+struct task_struct;
+
+/* Free all resources held by a thread. */
+static inline void release_thread(struct task_struct *dead_task)
+{
+}
+
+/* Prepare to copy thread state - unlazy all lazy status */
+#define prepare_to_copy(tsk)	do { } while (0)
+
+extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
+
+/*
+ * Free current thread data structures etc..
+ */
+static inline void exit_thread(void)
+{
+}
+
+unsigned long thread_saved_pc(struct task_struct *tsk);
+unsigned long get_wchan(struct task_struct *p);
+
+#define	KSTK_EIP(tsk)	(tsk->thread.a5)
+#define	KSTK_ESP(tsk)	(tsk->thread.sp)
+
+#define cpu_relax()    barrier()
+
+extern void processor_init(void);
+extern unsigned int processor_timers(void);
+extern unsigned int processor_threads(void);
+extern unsigned int processor_frequency(void);
+extern int processor_interrupts(unsigned int *int0, unsigned int *int1);
+extern void processor_ocm(unsigned long *socm, unsigned long *eocm);
+extern void processor_dram(unsigned long *sdram, unsigned long *edram);
+
+#define THREAD_SIZE_LONGS      (THREAD_SIZE/sizeof(unsigned long))
+#define KSTK_TOP(info)                                                 \
+({                                                                     \
+       unsigned long *__ptr = (unsigned long *)(info);                 \
+       (unsigned long)(&__ptr[THREAD_SIZE_LONGS]);                     \
+})
+
+#define task_pt_regs(task)                                             \
+({                                                                     \
+       struct pt_regs *__regs__;                                       \
+       __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \
+       __regs__ - 1;                                                   \
+})
+
+#endif	/* _ASM_UBICOM32_PROCESSOR_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/profilesample.h

@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/mach-common/profile.h
+ *   Private data for the profile module
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifndef _PROFILESAMPLE_H_
+#define _PROFILESAMPLE_H_
+
+/*
+ * a sample taken by the ipProfile package for sending to the profilertool
+ */
+struct profile_sample {
+	unsigned int pc;			/* PC value */
+	unsigned int a5;			/* a5 contents for parent of leaf function */
+	unsigned int parent;			/* return address from stack, to find the caller */
+	unsigned int latency;			/* CPU clocks since the last message dispatch in this thread (thread 0 ony for now) */
+	unsigned short active;			/* which threads are active - for accurate counting */
+	unsigned short d_blocked;		/* which threads are blocked due to D cache misses */
+	unsigned short i_blocked;		/* which threads are blocked due to I cache misses */
+	unsigned char cond_codes;		/* for branch prediction */
+	unsigned char thread;			/* I-blocked, D-blocked, 4-bit thread number */
+};
+
+#endif

target/linux/ubicom32/files/arch/ubicom32/include/asm/ptrace.h

@@ -0,0 +1,177 @@
+/*
+ * arch/ubicom32/include/asm/ptrace.h
+ *   Ubicom32 architecture ptrace support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PTRACE_H
+#define _ASM_UBICOM32_PTRACE_H
+
+#ifndef __ASSEMBLY__
+
+/*
+ * We use hard coded constants because this is shared with user
+ * space and the values are NOT allowed to change.  Only fields
+ * that are intended to be exposed get values.
+ */
+#define PT_D0           0
+#define PT_D1           4
+#define PT_D2           8
+#define PT_D3           12
+#define PT_D4           16
+#define PT_D5           20
+#define PT_D6           24
+#define PT_D7           28
+#define PT_D8           32
+#define PT_D9           36
+#define PT_D10          40
+#define PT_D11          44
+#define PT_D12          48
+#define PT_D13          52
+#define PT_D14          56
+#define PT_D15          60
+#define PT_A0           64
+#define PT_A1           68
+#define PT_A2           72
+#define PT_A3           76
+#define PT_A4           80
+#define PT_A5           84
+#define PT_A6           88
+#define PT_A7           92
+#define PT_SP           92
+#define PT_ACC0HI       96
+#define PT_ACC0LO       100
+#define PT_MAC_RC16     104
+#define PT_ACC1HI       108
+#define PT_ACC1LO       112
+#define PT_SOURCE3      116
+#define PT_INST_CNT     120
+#define PT_CSR          124
+#define PT_DUMMY_UNUSED 128
+#define PT_INT_MASK0    132
+#define PT_INT_MASK1    136
+#define PT_TRAP_CAUSE   140
+#define PT_PC           144
+#define PT_ORIGINAL_D0  148
+#define PT_FRAME_TYPE   152
+
+/*
+ * The following 'registers' are not registers at all but are used
+ * locate the relocated sections.
+ */
+#define PT_TEXT_ADDR		200
+#define PT_TEXT_END_ADDR	204
+#define PT_DATA_ADDR		208
+#define PT_EXEC_FDPIC_LOADMAP	212
+#define PT_INTERP_FDPIC_LOADMAP	216
+
+/*
+ * This struct defines the way the registers are stored on the
+ * stack during a system call.
+ */
+enum thread_type {
+	NORMAL_THREAD,
+	KERNEL_THREAD,
+};
+
+#define UBICOM32_FRAME_TYPE_SYSCALL	-1 /* System call frame */
+#define UBICOM32_FRAME_TYPE_INVALID	0 /* Invalid frame, no longer in use */
+#define UBICOM32_FRAME_TYPE_INTERRUPT	1 /* Interrupt frame */
+#define UBICOM32_FRAME_TYPE_TRAP	2 /* Trap frame */
+#define UBICOM32_FRAME_TYPE_SIGTRAMP	3 /* Signal trampoline frame. */
+#define UBICOM32_FRAME_TYPE_NEW_THREAD	4 /* New Thread. */
+
+struct pt_regs {
+	/*
+	 * Data Registers
+	 */
+	unsigned long dn[16];
+
+	/*
+	 * Address Registers
+	 */
+	unsigned long an[8];
+
+	/*
+	 * Per thread misc registers.
+	 */
+	unsigned long acc0[2];
+	unsigned long mac_rc16;
+	unsigned long acc1[2];
+	unsigned long source3;
+	unsigned long inst_cnt;
+	unsigned long csr;
+	unsigned long dummy_unused;
+	unsigned long int_mask0;
+	unsigned long int_mask1;
+	unsigned long trap_cause;
+	unsigned long pc;
+	unsigned long original_dn_0;
+
+	/*
+	 * Frame type. Syscall frames are -1. For other types look above.
+	 */
+	unsigned long frame_type;
+
+	/*
+	 * These fields are not exposed to ptrace.
+	 */
+	unsigned long previous_pc;
+	long nesting_level;		/* When the kernel in in user space this
+					 * will be -1. */
+	unsigned long thread_type;	/* This indicates if this is a kernel
+					 * thread. */
+};
+
+/*
+ * This is the extended stack used by signal handlers and the context
+ * switcher: it's pushed after the normal "struct pt_regs".
+ */
+struct switch_stack {
+	unsigned long  dummy;
+};
+
+#ifdef __KERNEL__
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS		12
+#define PTRACE_SETREGS		13
+
+#ifndef PS_S
+#define PS_S  (0x2000)
+#define PS_M  (0x1000)
+#endif
+
+extern  int __user_mode(unsigned long sp);
+
+#define user_mode(regs) (__user_mode((regs->an[7])))
+#define user_stack(regs) ((regs)->an[7])
+#define instruction_pointer(regs) ((regs)->pc)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+#endif /* __KERNEL__ */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_UBICOM32_PTRACE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/range-protect-asm.h

@@ -0,0 +1,91 @@
+/*
+ * arch/ubicom32/include/asm/range-protect-asm.h
+ *   Assembly macros for enabling memory protection.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_RANGE_PROTECT_ASM_H
+#define _ASM_UBICOM32_RANGE_PROTECT_ASM_H
+
+#if defined(__ASSEMBLY__)
+
+#include <asm/thread-asm.h>
+
+/*
+ * You should only use the enable/disable ranges when you have the atomic lock,
+ * if you do not there will be problems.
+ */
+
+/*
+ * enable_kernel_ranges
+ *	Enable the kernel ranges (disabling protection) for thread,
+ *	where thread == (1 << thread number)
+ */
+.macro	enable_kernel_ranges thread
+#ifdef CONFIG_PROTECT_KERNEL
+	or.4	I_RANGE0_EN, I_RANGE0_EN, \thread	 /* Enable Range Register */
+	or.4	D_RANGE0_EN, D_RANGE0_EN, \thread
+	or.4	D_RANGE1_EN, D_RANGE1_EN, \thread
+#endif
+.endm
+
+/*
+ * enable_kernel_ranges_for_current
+ *	Enable the kernel ranges (disabling protection) for this thread
+ */
+.macro	enable_kernel_ranges_for_current scratch_reg
+#ifdef CONFIG_PROTECT_KERNEL
+	thread_get_self_mask \scratch_reg
+	enable_kernel_ranges \scratch_reg
+#endif
+.endm
+
+/*
+ * disable_kernel_ranges
+ *	Disables the kernel ranges (enabling protection) for thread
+ *	where thread == (1 << thread number)
+ */
+.macro	disable_kernel_ranges thread
+#ifdef CONFIG_PROTECT_KERNEL
+	not.4	\thread, \thread
+	and.4	I_RANGE0_EN, I_RANGE0_EN, \thread	 /* Disable Range Register */
+	and.4	D_RANGE0_EN, D_RANGE0_EN, \thread
+	and.4	D_RANGE1_EN, D_RANGE1_EN, \thread
+#endif
+.endm
+
+/*
+ * disable_kernel_ranges_for_current
+ *	Disable kernel ranges (enabling protection) for this thread
+ */
+.macro	disable_kernel_ranges_for_current scratch_reg
+#ifdef CONFIG_PROTECT_KERNEL
+	thread_get_self_mask \scratch_reg
+	disable_kernel_ranges \scratch_reg
+#endif
+.endm
+#endif
+
+#endif  /* _ASM_UBICOM32_RANGE_PROTECT_ASM_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/range-protect.h

@@ -0,0 +1,62 @@
+/*
+ * arch/ubicom32/include/asm/range-protect.h
+ *   Assembly macros declared in C for enabling memory protection.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_RANGE_PROTECT_H
+#define _ASM_UBICOM32_RANGE_PROTECT_H
+
+#if !defined(__ASSEMBLY__)
+#include <asm/thread.h>
+/*
+ * The following macros should be the identical to the ones in
+ * range-protect-asm.h
+ *
+ * You should only use the enable/disable ranges when you have the atomic lock,
+ * if you do not there will be problems.
+ */
+
+/*
+ * enable_kernel_ranges
+ *	Enable the kernel ranges (disabling protection) for thread,
+ *	where thread == (1 << thread number)
+ */
+asm (
+	".macro	enable_kernel_ranges thread			\n\t"
+#ifdef CONFIG_PROTECT_KERNEL
+	"	or.4	I_RANGE0_EN, I_RANGE0_EN, \\thread	\n\t" /* Enable Range Register */
+	"	or.4	D_RANGE0_EN, D_RANGE0_EN, \\thread	\n\t"
+	"	or.4	D_RANGE1_EN, D_RANGE1_EN, \\thread	\n\t"
+#endif
+	".endm							\n\t"
+);
+
+#else /* __ASSEMBLY__ */
+
+#include <asm/range-protect-asm.h>
+
+#endif
+#endif  /* _ASM_UBICOM32_RANGE_PROTECT_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/resource.h

@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/resource.h
+ *   Generic definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_RESOURCE_H
+#define _ASM_UBICOM32_RESOURCE_H
+
+#include <asm-generic/resource.h>
+
+#endif /* _ASM_UBICOM32_RESOURCE_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/ring_tio.h

@@ -0,0 +1,42 @@
+/*
+ * arch/ubicom32/include/asm/ring_tio.h
+ *   Ubicom32 architecture Ring TIO definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_RING_TIO_H
+#define _ASM_UBICOM32_RING_TIO_H
+
+#include <asm/devtree.h>
+
+#define RING_TIO_NODE_VERSION	2
+
+/*
+ * Devtree node for ring
+ */
+struct ring_tio_node {
+	struct devtree_node	dn;
+
+	u32_t			version;
+	void			*regs;
+};
+
+extern void ring_tio_init(const char *node_name);
+
+#endif /* _ASM_UBICOM32_RING_TIO_H */

target/linux/ubicom32/files/arch/ubicom32/include/asm/scatterlist.h

@@ -0,0 +1,49 @@
+/*
+ * arch/ubicom32/include/asm/scatterlist.h
+ *   Definitions of struct scatterlist for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SCATTERLIST_H
+#define _ASM_UBICOM32_SCATTERLIST_H
+
+#include <linux/mm.h>
+#include <asm/types.h>
+
+struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+	unsigned long	sg_magic;
+#endif
+	unsigned long	page_link;
+	unsigned int	offset;
+	dma_addr_t	dma_address;
+	unsigned int	length;
+};
+
+#define sg_dma_address(sg)      ((sg)->dma_address)
+#define sg_dma_len(sg)          ((sg)->length)
+
+#define ISA_DMA_THRESHOLD	(0xffffffff)
+
+#endif /* _ASM_UBICOM32_SCATTERLIST_H */