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|
- --- a/arch/arm/boot/compressed/head.S
- +++ b/arch/arm/boot/compressed/head.S
- @@ -9,6 +9,7 @@
- * published by the Free Software Foundation.
- */
- #include <linux/linkage.h>
- +#include <asm/cache.h>
-
- /*
- * Debugging stuff
- @@ -337,7 +338,7 @@ params: ldr r0, =params_phys
- * This routine must preserve:
- * r4, r5, r6, r7, r8
- */
- - .align 5
- + .align L1_CACHE_SHIFT
- cache_on: mov r3, #8 @ cache_on function
- b call_cache_fn
-
- @@ -519,7 +520,7 @@ __common_mmu_cache_on:
- mcr p15, 0, r3, c2, c0, 0 @ load page table pointer
- mcr p15, 0, r1, c3, c0, 0 @ load domain access control
- b 1f
- - .align 5 @ cache line aligned
- + .align L1_CACHE_SHIFT @ cache line aligned
- 1: mcr p15, 0, r0, c1, c0, 0 @ load control register
- mrc p15, 0, r0, c1, c0, 0 @ and read it back to
- sub pc, lr, r0, lsr #32 @ properly flush pipeline
- @@ -539,7 +540,7 @@ __common_mmu_cache_on:
- * r8 = atags pointer
- * r9-r12,r14 = corrupted
- */
- - .align 5
- + .align L1_CACHE_SHIFT
- reloc_start: add r9, r5, r0
- sub r9, r9, #128 @ do not copy the stack
- debug_reloc_start
- @@ -768,7 +769,7 @@ proc_types:
- * On exit, r0, r1, r2, r3, r12 corrupted
- * This routine must preserve: r4, r6, r7
- */
- - .align 5
- + .align L1_CACHE_SHIFT
- cache_off: mov r3, #12 @ cache_off function
- b call_cache_fn
-
- @@ -845,7 +846,7 @@ __armv3_mmu_cache_off:
- * This routine must preserve:
- * r0, r4, r5, r6, r7
- */
- - .align 5
- + .align L1_CACHE_SHIFT
- cache_clean_flush:
- mov r3, #16
- b call_cache_fn
- --- a/arch/arm/include/asm/dma-mapping.h
- +++ b/arch/arm/include/asm/dma-mapping.h
- @@ -98,7 +98,7 @@ static inline int dma_set_mask(struct de
-
- static inline int dma_get_cache_alignment(void)
- {
- - return 32;
- + return L1_CACHE_BYTES;
- }
-
- static inline int dma_is_consistent(struct device *dev, dma_addr_t handle)
- --- a/arch/arm/Kconfig
- +++ b/arch/arm/Kconfig
- @@ -923,7 +923,7 @@ config ISA_DMA_API
- bool
-
- config PCI
- - bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE
- + bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_GEMINI
- help
- Find out whether you have a PCI motherboard. PCI is the name of a
- bus system, i.e. the way the CPU talks to the other stuff inside
- --- a/arch/arm/kernel/entry-armv.S
- +++ b/arch/arm/kernel/entry-armv.S
- @@ -22,6 +22,7 @@
- #include <asm/thread_notify.h>
- #include <asm/unwind.h>
- #include <asm/unistd.h>
- +#include <asm/cache.h>
-
- #include "entry-header.S"
-
- @@ -166,7 +167,7 @@ ENDPROC(__und_invalid)
- asm_trace_hardirqs_off
- .endm
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __dabt_svc:
- svc_entry
-
- @@ -214,7 +215,7 @@ __dabt_svc:
- UNWIND(.fnend )
- ENDPROC(__dabt_svc)
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __irq_svc:
- svc_entry
-
- @@ -255,7 +256,7 @@ svc_preempt:
- b 1b
- #endif
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __und_svc:
- #ifdef CONFIG_KPROBES
- @ If a kprobe is about to simulate a "stmdb sp..." instruction,
- @@ -301,7 +302,7 @@ __und_svc:
- UNWIND(.fnend )
- ENDPROC(__und_svc)
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __pabt_svc:
- svc_entry
-
- @@ -337,7 +338,7 @@ __pabt_svc:
- UNWIND(.fnend )
- ENDPROC(__pabt_svc)
-
- - .align 5
- + .align L1_CACHE_SHIFT
- .LCcralign:
- .word cr_alignment
- #ifdef MULTI_DABORT
- @@ -412,7 +413,7 @@ ENDPROC(__pabt_svc)
- #endif
- .endm
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __dabt_usr:
- usr_entry
- kuser_cmpxchg_check
- @@ -444,7 +445,7 @@ __dabt_usr:
- UNWIND(.fnend )
- ENDPROC(__dabt_usr)
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __irq_usr:
- usr_entry
- kuser_cmpxchg_check
- @@ -476,7 +477,7 @@ ENDPROC(__irq_usr)
-
- .ltorg
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __und_usr:
- usr_entry
-
- @@ -692,7 +693,7 @@ __und_usr_unknown:
- b do_undefinstr
- ENDPROC(__und_usr_unknown)
-
- - .align 5
- + .align L1_CACHE_SHIFT
- __pabt_usr:
- usr_entry
-
- @@ -803,7 +804,7 @@ ENDPROC(__switch_to)
- #endif
- .endm
-
- - .align 5
- + .align L1_CACHE_SHIFT
- .globl __kuser_helper_start
- __kuser_helper_start:
-
- @@ -843,7 +844,7 @@ __kuser_memory_barrier: @ 0xffff0fa0
- smp_dmb
- usr_ret lr
-
- - .align 5
- + .align L1_CACHE_SHIFT
-
- /*
- * Reference prototype:
- @@ -975,7 +976,7 @@ kuser_cmpxchg_fixup:
-
- #endif
-
- - .align 5
- + .align L1_CACHE_SHIFT
-
- /*
- * Reference prototype:
- @@ -1058,7 +1059,7 @@ __kuser_helper_end:
- * of which is copied into r0 for the mode specific abort handler.
- */
- .macro vector_stub, name, mode, correction=0
- - .align 5
- + .align L1_CACHE_SHIFT
-
- vector_\name:
- .if \correction
- @@ -1189,7 +1190,7 @@ __stubs_start:
- .long __und_invalid @ e
- .long __und_invalid @ f
-
- - .align 5
- + .align L1_CACHE_SHIFT
-
- /*=============================================================================
- * Undefined FIQs
- @@ -1219,7 +1220,7 @@ vector_addrexcptn:
- * We group all the following data together to optimise
- * for CPUs with separate I & D caches.
- */
- - .align 5
- + .align L1_CACHE_SHIFT
-
- .LCvswi:
- .word vector_swi
- --- a/arch/arm/kernel/entry-common.S
- +++ b/arch/arm/kernel/entry-common.S
- @@ -10,13 +10,14 @@
-
- #include <asm/unistd.h>
- #include <asm/ftrace.h>
- +#include <asm/cache.h>
- #include <mach/entry-macro.S>
- #include <asm/unwind.h>
-
- #include "entry-header.S"
-
-
- - .align 5
- + .align L1_CACHE_SHIFT
- /*
- * This is the fast syscall return path. We do as little as
- * possible here, and this includes saving r0 back into the SVC
- @@ -183,7 +184,7 @@ ftrace_stub:
- #define A710(code...)
- #endif
-
- - .align 5
- + .align L1_CACHE_SHIFT
- ENTRY(vector_swi)
- sub sp, sp, #S_FRAME_SIZE
- stmia sp, {r0 - r12} @ Calling r0 - r12
- @@ -316,7 +317,7 @@ __sys_trace_return:
- bl syscall_trace
- b ret_slow_syscall
-
- - .align 5
- + .align L1_CACHE_SHIFT
- #ifdef CONFIG_ALIGNMENT_TRAP
- .type __cr_alignment, #object
- __cr_alignment:
- --- a/arch/arm/kernel/head.S
- +++ b/arch/arm/kernel/head.S
- @@ -21,6 +21,7 @@
- #include <asm/memory.h>
- #include <asm/thread_info.h>
- #include <asm/system.h>
- +#include <asm/cache.h>
-
- #if (PHYS_OFFSET & 0x001fffff)
- #error "PHYS_OFFSET must be at an even 2MiB boundary!"
- @@ -192,7 +193,7 @@ ENDPROC(__enable_mmu)
- *
- * other registers depend on the function called upon completion
- */
- - .align 5
- + .align L1_CACHE_SHIFT
- __turn_mmu_on:
- mov r0, r0
- mcr p15, 0, r0, c1, c0, 0 @ write control reg
- --- a/arch/arm/kernel/vmlinux.lds.S
- +++ b/arch/arm/kernel/vmlinux.lds.S
- @@ -7,6 +7,7 @@
- #include <asm/thread_info.h>
- #include <asm/memory.h>
- #include <asm/page.h>
- +#include <asm/cache.h>
-
- OUTPUT_ARCH(arm)
- ENTRY(stext)
- @@ -59,7 +60,7 @@ SECTIONS
- *(.security_initcall.init)
- __security_initcall_end = .;
- #ifdef CONFIG_BLK_DEV_INITRD
- - . = ALIGN(32);
- + . = ALIGN(L1_CACHE_BYTES);
- __initramfs_start = .;
- usr/built-in.o(.init.ramfs)
- __initramfs_end = .;
- @@ -176,13 +177,13 @@ SECTIONS
- /*
- * then the cacheline aligned data
- */
- - . = ALIGN(32);
- + . = ALIGN(L1_CACHE_BYTES);
- *(.data.cacheline_aligned)
-
- /*
- * The exception fixup table (might need resorting at runtime)
- */
- - . = ALIGN(32);
- + . = ALIGN(L1_CACHE_BYTES);
- __start___ex_table = .;
- #ifdef CONFIG_MMU
- *(__ex_table)
- --- a/arch/arm/lib/memchr.S
- +++ b/arch/arm/lib/memchr.S
- @@ -11,9 +11,10 @@
- */
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- +#include <asm/cache.h>
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
- ENTRY(memchr)
- 1: subs r2, r2, #1
- bmi 2f
- --- a/arch/arm/lib/memset.S
- +++ b/arch/arm/lib/memset.S
- @@ -11,9 +11,10 @@
- */
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- +#include <asm/cache.h>
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
- .word 0
-
- 1: subs r2, r2, #4 @ 1 do we have enough
- --- a/arch/arm/lib/memzero.S
- +++ b/arch/arm/lib/memzero.S
- @@ -9,9 +9,10 @@
- */
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- +#include <asm/cache.h>
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
- .word 0
- /*
- * Align the pointer in r0. r3 contains the number of bytes that we are
- --- a/arch/arm/lib/strchr.S
- +++ b/arch/arm/lib/strchr.S
- @@ -11,9 +11,10 @@
- */
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- +#include <asm/cache.h>
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
- ENTRY(strchr)
- and r1, r1, #0xff
- 1: ldrb r2, [r0], #1
- --- a/arch/arm/lib/strncpy_from_user.S
- +++ b/arch/arm/lib/strncpy_from_user.S
- @@ -10,9 +10,10 @@
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- #include <asm/errno.h>
- +#include <asm/cache.h>
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
-
- /*
- * Copy a string from user space to kernel space.
- --- a/arch/arm/lib/strnlen_user.S
- +++ b/arch/arm/lib/strnlen_user.S
- @@ -10,9 +10,10 @@
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- #include <asm/errno.h>
- +#include <asm/cache.h>
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
-
- /* Prototype: unsigned long __strnlen_user(const char *str, long n)
- * Purpose : get length of a string in user memory
- --- a/arch/arm/lib/strrchr.S
- +++ b/arch/arm/lib/strrchr.S
- @@ -11,9 +11,10 @@
- */
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- +#include <asm/cache.h>
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
- ENTRY(strrchr)
- mov r3, #0
- 1: ldrb r2, [r0], #1
- --- /dev/null
- +++ b/arch/arm/mach-gemini/board-nas4220b.c
- @@ -0,0 +1,160 @@
- +/*
- + * Support for Raidsonic NAS-4220-B
- + *
- + * Copyright (C) 2009 Janos Laube <[email protected]>
- + *
- + * based on rut1xx.c
- + * Copyright (C) 2008 Paulius Zaleckas <[email protected]>
- + *
- + * This program 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.
- + */
- +
- +#include <linux/kernel.h>
- +#include <linux/init.h>
- +#include <linux/platform_device.h>
- +#include <linux/leds.h>
- +#include <linux/input.h>
- +#include <linux/gpio_keys.h>
- +#include <linux/mdio-gpio.h>
- +#include <linux/io.h>
- +
- +#include <asm/setup.h>
- +#include <asm/mach-types.h>
- +#include <asm/mach/arch.h>
- +#include <asm/mach/time.h>
- +
- +#include <mach/gmac.h>
- +#include <mach/hardware.h>
- +#include <mach/global_reg.h>
- +
- +#include "common.h"
- +
- +static struct sys_timer ib4220b_timer = {
- + .init = gemini_timer_init,
- +};
- +
- +static struct gpio_led ib4220b_leds[] = {
- + {
- + .name = "nas4220b:orange:hdd",
- + .default_trigger = "ide-disk",
- + .gpio = 60,
- + },
- + {
- + .name = "nas4220b:green:os",
- + .default_trigger = "heartbeat",
- + .gpio = 62,
- + },
- +};
- +
- +static struct gpio_led_platform_data ib4220b_leds_data = {
- + .num_leds = ARRAY_SIZE(ib4220b_leds),
- + .leds = ib4220b_leds,
- +};
- +
- +static struct platform_device ib4220b_led_device = {
- + .name = "leds-gpio",
- + .id = -1,
- + .dev = {
- + .platform_data = &ib4220b_leds_data,
- + },
- +};
- +
- +static struct gpio_keys_button ib4220b_keys[] = {
- + {
- + .code = KEY_SETUP,
- + .gpio = 61,
- + .active_low = 1,
- + .desc = "Backup Button",
- + .type = EV_KEY,
- + },
- + {
- + .code = KEY_RESTART,
- + .gpio = 63,
- + .active_low = 1,
- + .desc = "Softreset Button",
- + .type = EV_KEY,
- + },
- +};
- +
- +static struct gpio_keys_platform_data ib4220b_keys_data = {
- + .buttons = ib4220b_keys,
- + .nbuttons = ARRAY_SIZE(ib4220b_keys),
- +};
- +
- +static struct platform_device ib4220b_key_device = {
- + .name = "gpio-keys",
- + .id = -1,
- + .dev = {
- + .platform_data = &ib4220b_keys_data,
- + },
- +};
- +
- +static struct mdio_gpio_platform_data ib4220b_mdio = {
- + .mdc = 22,
- + .mdio = 21,
- + .phy_mask = ~(1 << 1),
- +};
- +
- +static struct platform_device ib4220b_phy_device = {
- + .name = "mdio-gpio",
- + .id = 0,
- + .dev = {
- + .platform_data = &ib4220b_mdio,
- + },
- +};
- +
- +static struct gemini_gmac_platform_data ib4220b_gmac_data = {
- + .bus_id[0] = "0:01",
- + .interface[0] = PHY_INTERFACE_MODE_RGMII,
- +};
- +
- +static void __init gmac_ib4220b_init(void)
- +{
- + unsigned int val;
- +
- + val = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
- + GLOBAL_IO_DRIVING_CTRL);
- + val |= (0x3 << GMAC0_PADS_SHIFT) | (0x3 << GMAC1_PADS_SHIFT);
- + __raw_writel(val, IO_ADDRESS(GEMINI_GLOBAL_BASE) +
- + GLOBAL_IO_DRIVING_CTRL);
- +
- + val = (0x0 << GMAC0_RXDV_SKEW_SHIFT) | (0xf << GMAC0_RXC_SKEW_SHIFT) |
- + (0x7 << GMAC0_TXEN_SKEW_SHIFT) | (0xa << GMAC0_TXC_SKEW_SHIFT) |
- + (0x0 << GMAC1_RXDV_SKEW_SHIFT) | (0xf << GMAC1_RXC_SKEW_SHIFT) |
- + (0x7 << GMAC1_TXEN_SKEW_SHIFT) | (0xa << GMAC1_TXC_SKEW_SHIFT);
- + __raw_writel(val, IO_ADDRESS(GEMINI_GLOBAL_BASE) +
- + GLOBAL_GMAC_CTRL_SKEW_CTRL);
- +
- + val = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
- + GLOBAL_ARBITRATION1_CTRL);
- + val |= (0x20 << BURST_LENGTH_SHIFT);
- + __raw_writel(val, IO_ADDRESS(GEMINI_GLOBAL_BASE) +
- + GLOBAL_ARBITRATION1_CTRL);
- +}
- +
- +static void __init ib4220b_init(void)
- +{
- + gemini_gpio_init();
- + gmac_ib4220b_init();
- + platform_register_uart();
- + platform_register_usb(0);
- + platform_register_usb(1);
- + platform_register_pflash(SZ_16M, NULL, 0);
- + platform_device_register(&ib4220b_led_device);
- + platform_device_register(&ib4220b_key_device);
- + platform_device_register(&ib4220b_phy_device);
- + platform_register_ethernet(&ib4220b_gmac_data);
- +}
- +
- +MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
- + .phys_io = 0x7fffc000,
- + .io_pg_offst = ((0xffffc000) >> 18) & 0xfffc,
- + .boot_params = 0x100,
- + .map_io = gemini_map_io,
- + .init_irq = gemini_init_irq,
- + .timer = &ib4220b_timer,
- + .init_machine = ib4220b_init,
- +MACHINE_END
- --- a/arch/arm/mach-gemini/board-rut1xx.c
- +++ b/arch/arm/mach-gemini/board-rut1xx.c
- @@ -14,13 +14,35 @@
- #include <linux/leds.h>
- #include <linux/input.h>
- #include <linux/gpio_keys.h>
- +#include <linux/mdio-gpio.h>
-
- #include <asm/mach-types.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/time.h>
-
- +#include <mach/gmac.h>
- +
- #include "common.h"
-
- +static struct mdio_gpio_platform_data rut1xx_mdio = {
- + .mdc = 22,
- + .mdio = 21,
- + .phy_mask = ~(1 << 1),
- +};
- +
- +static struct platform_device rut1xx_phy_device = {
- + .name = "mdio-gpio",
- + .id = 0,
- + .dev = {
- + .platform_data = &rut1xx_mdio,
- + },
- +};
- +
- +static struct gemini_gmac_platform_data gmac_data = {
- + .bus_id[0] = "0:01",
- + .interface[0] = PHY_INTERFACE_MODE_MII,
- +};
- +
- static struct gpio_keys_button rut1xx_keys[] = {
- {
- .code = KEY_SETUP,
- @@ -79,9 +101,13 @@ static void __init rut1xx_init(void)
- {
- gemini_gpio_init();
- platform_register_uart();
- + platform_register_watchdog();
- + platform_register_usb(0);
- platform_register_pflash(SZ_8M, NULL, 0);
- platform_device_register(&rut1xx_leds);
- platform_device_register(&rut1xx_keys_device);
- + platform_device_register(&rut1xx_phy_device);
- + platform_register_ethernet(&gmac_data);
- }
-
- MACHINE_START(RUT100, "Teltonika RUT100")
- --- a/arch/arm/mach-gemini/common.h
- +++ b/arch/arm/mach-gemini/common.h
- @@ -13,6 +13,7 @@
- #define __GEMINI_COMMON_H__
-
- struct mtd_partition;
- +struct gemini_gmac_platform_data;
-
- extern void gemini_map_io(void);
- extern void gemini_init_irq(void);
- @@ -21,8 +22,11 @@ extern void gemini_gpio_init(void);
-
- /* Common platform devices registration functions */
- extern int platform_register_uart(void);
- +extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
- extern int platform_register_pflash(unsigned int size,
- struct mtd_partition *parts,
- unsigned int nr_parts);
- +extern int platform_register_usb(unsigned int i);
- +extern int platform_register_watchdog(void);
-
- #endif /* __GEMINI_COMMON_H__ */
- --- a/arch/arm/mach-gemini/devices.c
- +++ b/arch/arm/mach-gemini/devices.c
- @@ -17,6 +17,7 @@
- #include <mach/irqs.h>
- #include <mach/hardware.h>
- #include <mach/global_reg.h>
- +#include <mach/gmac.h>
-
- static struct plat_serial8250_port serial_platform_data[] = {
- {
- @@ -45,6 +46,116 @@ int platform_register_uart(void)
- return platform_device_register(&serial_device);
- }
-
- +static struct resource usb0_resources[] = {
- + {
- + .start = 0x68000000,
- + .end = 0x68000fff,
- + .flags = IORESOURCE_MEM,
- + },
- + {
- + .start = IRQ_USB0,
- + .end = IRQ_USB0,
- + .flags = IORESOURCE_IRQ,
- + },
- +};
- +
- +static struct resource usb1_resources[] = {
- + {
- + .start = 0x69000000,
- + .end = 0x69000fff,
- + .flags = IORESOURCE_MEM,
- + },
- + {
- + .start = IRQ_USB1,
- + .end = IRQ_USB1,
- + .flags = IORESOURCE_IRQ,
- + },
- +};
- +
- +static u64 usb0_dmamask = 0xffffffffUL;
- +
- +static u64 usb1_dmamask = 0xffffffffUL;
- +
- +static struct platform_device usb_device[] = {
- + {
- + .name = "ehci-fotg2xx",
- + .id = 0,
- + .dev = {
- + .dma_mask = &usb0_dmamask,
- + .coherent_dma_mask = 0xffffffff,
- + },
- + .num_resources = ARRAY_SIZE(usb0_resources),
- + .resource = usb0_resources,
- + },
- + {
- + .name = "ehci-fotg2xx",
- + .id = 1,
- + .dev = {
- + .dma_mask = &usb1_dmamask,
- + .coherent_dma_mask = 0xffffffff,
- + },
- + .num_resources = ARRAY_SIZE(usb1_resources),
- + .resource = usb1_resources,
- + },
- +};
- +
- +int platform_register_usb(unsigned int i)
- +{
- + if (i > 1)
- + return -EINVAL;
- +
- + return platform_device_register(&usb_device[i]);
- +}
- +
- +static struct resource gmac_resources[] = {
- + {
- + .start = 0x60000000,
- + .end = 0x6000ffff,
- + .flags = IORESOURCE_MEM,
- + },
- + {
- + .start = IRQ_GMAC0,
- + .end = IRQ_GMAC0,
- + .flags = IORESOURCE_IRQ,
- + },
- + {
- + .start = IRQ_GMAC1,
- + .end = IRQ_GMAC1,
- + .flags = IORESOURCE_IRQ,
- + },
- +};
- +
- +static u64 gmac_dmamask = 0xffffffffUL;
- +
- +static struct platform_device ethernet_device = {
- + .name = "gemini-gmac",
- + .id = 0,
- + .dev = {
- + .dma_mask = &gmac_dmamask,
- + .coherent_dma_mask = 0xffffffff,
- + },
- + .num_resources = ARRAY_SIZE(gmac_resources),
- + .resource = gmac_resources,
- +};
- +
- +int platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
- +{
- + unsigned int reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
- +
- + reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
- +
- + if (pdata->bus_id[1])
- + reg |= GMAC_1_ENABLE;
- + else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
- + reg |= GMAC_GMII;
- +
- + __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
- +
- + ethernet_device.dev.platform_data = pdata;
- +
- + return platform_device_register(ðernet_device);
- +}
- +
- static struct resource flash_resource = {
- .start = GEMINI_FLASH_BASE,
- .flags = IORESOURCE_MEM,
- @@ -90,3 +201,21 @@ int platform_register_pflash(unsigned in
-
- return platform_device_register(&pflash_device);
- }
- +
- +static struct resource wdt_resource = {
- + .start = GEMINI_WAQTCHDOG_BASE,
- + .end = GEMINI_WAQTCHDOG_BASE + 0x18,
- + .flags = IORESOURCE_MEM,
- +};
- +
- +static struct platform_device wdt_device = {
- + .name = "gemini-wdt",
- + .id = 0,
- + .resource = &wdt_resource,
- + .num_resources = 1,
- +};
- +
- +int platform_register_watchdog(void)
- +{
- + return platform_device_register(&wdt_device);
- +}
- --- /dev/null
- +++ b/arch/arm/mach-gemini/include/mach/gmac.h
- @@ -0,0 +1,21 @@
- +/*
- + * Gemini GMAC specific defines
- + *
- + * Copyright (C) 2008, Paulius Zaleckas <[email protected]>
- + *
- + * This program 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.
- + */
- +#ifndef __MACH_GMAC_H__
- +#define __MACH_GMAC_H__
- +
- +#include <linux/phy.h>
- +
- +struct gemini_gmac_platform_data {
- + char *bus_id[2]; /* NULL means that this port is not used */
- + phy_interface_t interface[2];
- +};
- +
- +#endif /* __MACH_GMAC_H__ */
- --- a/arch/arm/mach-gemini/include/mach/hardware.h
- +++ b/arch/arm/mach-gemini/include/mach/hardware.h
- @@ -71,4 +71,12 @@
- */
- #define IO_ADDRESS(x) ((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
-
- +/*
- + * PCI subsystem macros
- + */
- +#define PCIBIOS_MIN_IO 0x00000100
- +#define PCIBIOS_MIN_MEM 0x00000000
- +
- +#define pcibios_assign_all_busses() 1
- +
- #endif
- --- a/arch/arm/mach-gemini/include/mach/irqs.h
- +++ b/arch/arm/mach-gemini/include/mach/irqs.h
- @@ -43,11 +43,14 @@
-
- #define NORMAL_IRQ_NUM 32
-
- -#define GPIO_IRQ_BASE NORMAL_IRQ_NUM
- +#define PCI_IRQ_BASE NORMAL_IRQ_NUM
- +#define PCI_IRQ_NUM 4
- +
- +#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM)
- #define GPIO_IRQ_NUM (3 * 32)
-
- #define ARCH_TIMER_IRQ IRQ_TIMER2
-
- -#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
- +#define NR_IRQS (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
-
- #endif /* __MACH_IRQS_H__ */
- --- a/arch/arm/mach-gemini/Kconfig
- +++ b/arch/arm/mach-gemini/Kconfig
- @@ -2,6 +2,13 @@ if ARCH_GEMINI
-
- menu "Cortina Systems Gemini Implementations"
-
- +config MACH_NAS4220B
- + bool "Raidsonic NAS-4220-B"
- + select GEMINI_MEM_SWAP
- + help
- + Say Y here if you intend to run this kernel on a
- + Raidsonic NAS-4220-B.
- +
- config MACH_RUT100
- bool "Teltonika RUT100"
- select GEMINI_MEM_SWAP
- --- a/arch/arm/mach-gemini/Makefile
- +++ b/arch/arm/mach-gemini/Makefile
- @@ -6,5 +6,8 @@
-
- obj-y := irq.o mm.o time.o devices.o gpio.o
-
- +obj-$(CONFIG_PCI) += pci.o
- +
- # Board-specific support
- +obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o
- obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o
- --- a/arch/arm/mach-gemini/mm.c
- +++ b/arch/arm/mach-gemini/mm.c
- @@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- + .virtual = IO_ADDRESS(GEMINI_PCI_IO_BASE),
- + .pfn = __phys_to_pfn(GEMINI_PCI_IO_BASE),
- + .length = SZ_512K,
- + .type = MT_DEVICE,
- + }, {
- .virtual = IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
- .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
- .length = SZ_512K,
- --- /dev/null
- +++ b/arch/arm/mach-gemini/pci.c
- @@ -0,0 +1,315 @@
- +/*
- + * Support for Gemini PCI Controller
- + *
- + * Copyright (C) 2009 Janos Laube <[email protected]>
- + * Copyright (C) 2009 Paulius Zaleckas <[email protected]>
- + *
- + * based on SL2312 PCI controller code
- + * Storlink (C) 2003
- + *
- + * This program 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.
- + */
- +
- +#include <linux/kernel.h>
- +#include <linux/pci.h>
- +#include <linux/irq.h>
- +
- +#include <asm/mach/pci.h>
- +#include <asm/gpio.h>
- +
- +#include <mach/irqs.h>
- +
- +#define GEMINI_PCI_IOSIZE_1M 0x0000
- +
- +#define GEMINI_PCI_PMC 0x40
- +#define GEMINI_PCI_PMCSR 0x44
- +#define GEMINI_PCI_CTRL1 0x48
- +#define GEMINI_PCI_CTRL2 0x4C
- +#define GEMINI_PCI_MEM1_BASE_SIZE 0x50
- +#define GEMINI_PCI_MEM2_BASE_SIZE 0x54
- +#define GEMINI_PCI_MEM3_BASE_SIZE 0x58
- +
- +#define PCI_CTRL2_INTSTS_OFFSET 28
- +#define PCI_CTRL2_INTMASK_OFFSET 22
- +
- +#define GEMINI_PCI_DMA_MASK 0xFFF00000
- +#define GEMINI_PCI_DMA_MEM1_BASE 0x00000000
- +#define GEMINI_PCI_DMA_MEM2_BASE 0x00000000
- +#define GEMINI_PCI_DMA_MEM3_BASE 0x00000000
- +#define GEMINI_PCI_DMA_MEM1_SIZE 7
- +#define GEMINI_PCI_DMA_MEM2_SIZE 6
- +#define GEMINI_PCI_DMA_MEM3_SIZE 6
- +
- +#define PCI_CONF_ENABLE (1 << 31)
- +#define PCI_CONF_WHERE(r) ((r) & 0xFC)
- +#define PCI_CONF_BUS(b) (((b) & 0xFF) << 16)
- +#define PCI_CONF_DEVICE(d) (((d) & 0x1F) << 11)
- +#define PCI_CONF_FUNCTION(f) (((f) & 0x07) << 8)
- +
- +#define PCI_IOSIZE_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE))
- +#define PCI_PROT_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04)
- +#define PCI_CTRL_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08)
- +#define PCI_SOFTRST_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10)
- +#define PCI_CONFIG_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28)
- +#define PCI_DATA_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C)
- +
- +
- +static DEFINE_SPINLOCK(gemini_pci_lock);
- +
- +static struct resource gemini_pci_resource_io = {
- + .name = "PCI I/O Space",
- + .start = IO_ADDRESS(GEMINI_PCI_IO_BASE),
- + .end = IO_ADDRESS(GEMINI_PCI_IO_BASE) + SZ_1M - 1,
- + .flags = IORESOURCE_IO,
- +};
- +
- +static struct resource gemini_pci_resource_mem = {
- + .name = "PCI Memory Space",
- + .start = GEMINI_PCI_MEM_BASE,
- + .end = GEMINI_PCI_MEM_BASE + SZ_128M - 1,
- + .flags = IORESOURCE_MEM,
- +};
- +
- +static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn,
- + int config, int size, u32* value)
- +{
- + unsigned long irq_flags;
- +
- + spin_lock_irqsave(&gemini_pci_lock, irq_flags);
- +
- + __raw_writel(PCI_CONF_BUS(bus->number) |
- + PCI_CONF_DEVICE(PCI_SLOT(fn)) |
- + PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
- + PCI_CONF_WHERE(config) |
- + PCI_CONF_ENABLE,
- + PCI_CONFIG_REG);
- +
- + *value = __raw_readl(PCI_DATA_REG);
- +
- + if (size == 1)
- + *value = (*value >> (8 * (config & 3))) & 0xFF;
- + else if (size == 2)
- + *value = (*value >> (8 * (config & 3))) & 0xFFFF;
- +
- + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
- +
- + dev_dbg(&bus->dev,
- + "[read] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
- + PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value);
- +
- + return PCIBIOS_SUCCESSFUL;
- +}
- +
- +static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn,
- + int config, int size, u32 value)
- +{
- + unsigned long irq_flags = 0;
- + int ret = PCIBIOS_SUCCESSFUL;
- +
- + dev_dbg(&bus->dev,
- + "[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
- + PCI_SLOT(fn), PCI_FUNC(fn), config, size, value);
- +
- + spin_lock_irqsave(&gemini_pci_lock, irq_flags);
- +
- + __raw_writel(PCI_CONF_BUS(bus->number) |
- + PCI_CONF_DEVICE(PCI_SLOT(fn)) |
- + PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
- + PCI_CONF_WHERE(config) |
- + PCI_CONF_ENABLE,
- + PCI_CONFIG_REG);
- +
- + switch(size) {
- + case 4:
- + __raw_writel(value, PCI_DATA_REG);
- + break;
- + case 2:
- + __raw_writew(value, PCI_DATA_REG + (config & 3));
- + break;
- + case 1:
- + __raw_writeb(value, PCI_DATA_REG + (config & 3));
- + break;
- + default:
- + ret = PCIBIOS_BAD_REGISTER_NUMBER;
- + }
- +
- + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
- +
- + return ret;
- +}
- +
- +static struct pci_ops gemini_pci_ops = {
- + .read = gemini_pci_read_config,
- + .write = gemini_pci_write_config,
- +};
- +
- +static int __init gemini_pci_request_resources(struct pci_sys_data *sys)
- +{
- + if (request_resource(&ioport_resource, &gemini_pci_resource_io))
- + goto bad_resources;
- + if (request_resource(&iomem_resource, &gemini_pci_resource_mem))
- + goto bad_resources;
- +
- + sys->resource[0] = &gemini_pci_resource_io;
- + sys->resource[1] = &gemini_pci_resource_mem;
- + sys->resource[2] = 0;
- +
- + return 0;
- +
- +bad_resources:
- + pr_err("Gemini PCI: request_resource() failed. "
- + "Abort PCI bus enumeration.\n");
- + return -1;
- +}
- +
- +static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys)
- +{
- + unsigned int cmd;
- +
- + if ((nr > 0) || gemini_pci_request_resources(sys))
- + return 0;
- +
- + /* setup I/O space to 1MB size */
- + __raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG);
- +
- + /* setup hostbridge */
- + cmd = __raw_readl(PCI_CTRL_REG);
- + cmd |= PCI_COMMAND_IO;
- + cmd |= PCI_COMMAND_MEMORY;
- + cmd |= PCI_COMMAND_MASTER;
- + __raw_writel(cmd, PCI_CTRL_REG);
- +
- + return 1;
- +}
- +
- +static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys)
- +{
- + unsigned int reg = 0;
- + struct pci_bus* bus = 0;
- +
- + bus = pci_scan_bus(nr, &gemini_pci_ops, sys);
- + if (bus) {
- + dev_dbg(&bus->dev, "setting up PCI DMA\n");
- + reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK)
- + | (GEMINI_PCI_DMA_MEM1_SIZE << 16);
- + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg);
- + reg = (GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK)
- + | (GEMINI_PCI_DMA_MEM2_SIZE << 16);
- + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg);
- + reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK)
- + | (GEMINI_PCI_DMA_MEM3_SIZE << 16);
- + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg);
- + }
- +
- + return bus;
- +}
- +
- +/* Should work with all boards based on original Storlink EVB */
- +static int __init gemini_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
- +{
- + if (slot < 9 || slot > 12)
- + return -1;
- +
- + return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3);
- +}
- +
- +static struct hw_pci gemini_hw_pci __initdata = {
- + .nr_controllers = 1,
- + .setup = gemini_pci_setup,
- + .scan = gemini_pci_scan_bus,
- + .swizzle = pci_std_swizzle,
- + .map_irq = gemini_pci_map_irq,
- +};
- +
- +/* we need this for muxed PCI interrupts handling */
- +static struct pci_bus bogus_pci_bus;
- +
- +static void gemini_pci_ack_irq(unsigned int irq)
- +{
- + unsigned int reg;
- +
- + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
- + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
- + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET);
- + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
- +}
- +
- +static void gemini_pci_mask_irq(unsigned int irq)
- +{
- + unsigned int reg;
- +
- + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
- + reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET)
- + | (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET)));
- + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
- +}
- +
- +static void gemini_pci_unmask_irq(unsigned int irq)
- +{
- + unsigned int reg;
- +
- + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
- + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
- + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET);
- + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
- +}
- +
- +static void gemini_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
- +{
- + unsigned int pci_irq_no, irq_stat, reg, i;
- +
- + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
- + irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET;
- +
- + for (i = 0; i < 4; i++) {
- +
- + if ((irq_stat & (1 << i)) == 0)
- + continue;
- +
- + pci_irq_no = PCI_IRQ_BASE + i;
- +
- + BUG_ON(!(irq_desc[pci_irq_no].handle_irq));
- + irq_desc[pci_irq_no].handle_irq(pci_irq_no,
- + &irq_desc[pci_irq_no]);
- + }
- +}
- +
- +static struct irq_chip gemini_pci_irq_chip = {
- + .name = "PCI",
- + .ack = gemini_pci_ack_irq,
- + .mask = gemini_pci_mask_irq,
- + .unmask = gemini_pci_unmask_irq,
- +};
- +
- +static int __init gemini_pci_init(void)
- +{
- + int i;
- +
- + for (i = 72; i <= 95; i++)
- + gpio_request(i, "PCI");
- +
- + /* initialize our bogus bus */
- + dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler");
- + bogus_pci_bus.number = 0;
- +
- + /* mask and clear all interrupts */
- + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2,
- + 0xF000);
- +
- + for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) {
- + set_irq_chip(i, &gemini_pci_irq_chip);
- + set_irq_handler(i, handle_level_irq);
- + set_irq_flags(i, IRQF_VALID);
- + }
- +
- + set_irq_chained_handler(IRQ_PCI, gemini_pci_irq_handler);
- +
- + pci_common_init(&gemini_hw_pci);
- +
- + return 0;
- +}
- +
- +subsys_initcall(gemini_pci_init);
- --- a/arch/arm/mm/abort-ev4.S
- +++ b/arch/arm/mm/abort-ev4.S
- @@ -1,5 +1,6 @@
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- +#include <asm/cache.h>
- /*
- * Function: v4_early_abort
- *
- @@ -17,7 +18,7 @@
- * abort here if the I-TLB and D-TLB aren't seeing the same
- * picture. Unfortunately, this does happen. We live with it.
- */
- - .align 5
- + .align L1_CACHE_SHIFT
- ENTRY(v4_early_abort)
- mrc p15, 0, r1, c5, c0, 0 @ get FSR
- mrc p15, 0, r0, c6, c0, 0 @ get FAR
- --- a/arch/arm/mm/abort-nommu.S
- +++ b/arch/arm/mm/abort-nommu.S
- @@ -1,5 +1,6 @@
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- +#include <asm/cache.h>
- /*
- * Function: nommu_early_abort
- *
- @@ -12,7 +13,7 @@
- * Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
- * Just fill zero into the registers.
- */
- - .align 5
- + .align L1_CACHE_SHIFT
- ENTRY(nommu_early_abort)
- mov r0, #0 @ clear r0, r1 (no FSR/FAR)
- mov r1, #0
- --- /dev/null
- +++ b/drivers/net/gemini_negmac/gm_gmac.c
- @@ -0,0 +1,1350 @@
- +/*
- + * Ethernet device driver for Gemini SoC.
- + *
- + * Copyright (C) 2006, Storlink, Corp.
- + * Copyright (C) 2008-2009, Paulius Zaleckas <[email protected]>
- + *
- + * This program 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.
- + */
- +#include <linux/module.h>
- +#include <linux/kernel.h>
- +#include <linux/platform_device.h>
- +#include <linux/slab.h>
- +#include <linux/mm.h>
- +#include <linux/compiler.h>
- +#include <linux/dma-mapping.h>
- +#include <linux/init.h>
- +#include <linux/ioport.h>
- +#include <linux/netdevice.h>
- +#include <linux/etherdevice.h>
- +#include <linux/rtnetlink.h>
- +#include <linux/delay.h>
- +#include <linux/ethtool.h>
- +#include <linux/mii.h>
- +#include <linux/phy.h>
- +#include <linux/completion.h>
- +#include <linux/kthread.h>
- +#include <linux/io.h>
- +#include <mach/hardware.h>
- +#include <asm/irq.h>
- +#include <linux/semaphore.h>
- +#include <mach/irqs.h>
- +#include <linux/skbuff.h>
- +#include <linux/in.h>
- +#include <linux/ip.h>
- +#include <linux/tcp.h>
- +#include <linux/udp.h>
- +#include <mach/gmac.h>
- +
- +#include "gm_gmac.h"
- +
- +/* #define GMAX_TX_INTR_DISABLED */
- +#define DO_HW_CHKSUM
- +/* #define ENABLE_TSO */
- +#define GMAC_USE_TXQ0
- +/* #define GMAC_LEN_1_2_ISSUE */
- +
- +#define DEFAULT_RXQ_MAX_CNT 256
- +
- +/* define chip information */
- +#define DRV_VERSION "0.2"
- +#define SL351x_DRIVER_NAME "Gemini Ethernet driver " DRV_VERSION
- +
- +#ifdef GMAC_LEN_1_2_ISSUE
- + #define _DEBUG_PREFETCH_NUM 256
- +static int _debug_prefetch_cnt;
- +static char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4)));
- +#endif
- +
- +static inline void gmac_write_reg(unsigned int base, unsigned int offset, unsigned int data, unsigned int bit_mask)
- +{
- + unsigned int reg_val;
- +
- + reg_val = (__raw_readl(base + offset) & (~bit_mask)) | (data & bit_mask);
- + __raw_writel(reg_val, base + offset);
- +}
- +
- +/*----------------------------------------------------------------------
- +* toe_init_free_queue
- +* (1) Initialize the Free Queue Descriptor Base Address & size
- +* Register: TOE_GLOBAL_BASE + 0x0004
- +* (2) Initialize DMA Read/Write pointer for
- +* SW Free Queue and HW Free Queue
- +* (3) Initialize DMA Descriptors for
- +* SW Free Queue and HW Free Queue,
- +*----------------------------------------------------------------------*/
- +static void toe_init_free_queue(struct toe_private *toe)
- +{
- + int i;
- + DMA_RWPTR_T rwptr_reg;
- + void *desc_buf;
- + GMAC_RXDESC_T *sw_desc_ptr;
- + struct sk_buff *skb;
- +
- + desc_buf = dma_alloc_coherent(toe->dev, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),
- + &toe->sw_freeq_desc_base_dma, GFP_KERNEL);
- + sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf;
- + if (!desc_buf) {
- + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
- + return;
- + }
- + memset(desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T));
- +
- + /* DMA Queue Base & Size */
- + __raw_writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER,
- + toe->global_base + GLOBAL_SW_FREEQ_BASE_SIZE_REG);
- +
- + /* init descriptor base */
- + toe->swfq_desc_base = (unsigned int)desc_buf;
- +
- + /* SW Free Queue Descriptors */
- + for (i = 0; i < TOE_SW_FREEQ_DESC_NUM; i++) {
- + sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE;
- + skb = dev_alloc_skb(SW_RX_BUF_SIZE); /* allocate socket buffer */
- + if (!skb) {
- + dev_err(toe->dev, "%s::skb buffer allocation fail\n", __func__);
- + return;
- + }
- + REG32(skb->data) = (unsigned int)skb;
- + skb_reserve(skb, SKB_RESERVE_BYTES);
- + sw_desc_ptr->word2.buf_adr = dma_map_single(toe->dev, skb->data,
- + SW_RX_BUF_SIZE - SKB_RESERVE_BYTES,
- + DMA_FROM_DEVICE);
- + sw_desc_ptr++;
- + }
- +
- + dma_sync_single_for_device(toe->dev, toe->sw_freeq_desc_base_dma,
- + TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),
- + DMA_TO_DEVICE);
- +
- + /* SW Free Queue Read/Write Pointer */
- + rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1;
- + rwptr_reg.bits.rptr = 0;
- + __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_SWFQ_RWPTR_REG);
- +
- + /* DMA Queue Base & Size */
- + __raw_writel(TOE_HW_FREEQ_DESC_POWER,
- + toe->global_base + GLOBAL_HW_FREEQ_BASE_SIZE_REG);
- + rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
- + rwptr_reg.bits.rptr = 0;
- + __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_HWFQ_RWPTR_REG);
- +}
- +
- +/*----------------------------------------------------------------------
- +* toe_init_swtx_queue
- +* (2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup
- +* GMAC_SW_TX_QUEUE_BASE_REG(0x0050)
- +* (2) Initialize DMA Read/Write pointer for
- +* GMAC 0/1 SW TX Q0-5
- +*----------------------------------------------------------------------*/
- +static void toe_init_swtx_queue(struct net_device *dev)
- +{
- + int i;
- + struct gmac_private *gmac = netdev_priv(dev);
- + struct toe_private *toe = dev->ml_priv;
- + DMA_RWPTR_T rwptr_reg;
- + unsigned int rwptr_addr;
- + void *desc_buf;
- + unsigned int offset;
- +
- + desc_buf = dma_alloc_coherent(toe->dev, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),
- + &gmac->swtxq_desc_base_dma, GFP_KERNEL);
- + gmac->swtxq_desc_base = (unsigned int)desc_buf;
- + if (!desc_buf) {
- + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
- + return;
- + }
- + memset(desc_buf, 0, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
- + dma_sync_single_for_device(toe->dev, gmac->swtxq_desc_base_dma,
- + TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),
- + DMA_TO_DEVICE);
- + __raw_writel((gmac->swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC_SWTXQ_DESC_POWER,
- + gmac->dma_base_addr + GMAC_SW_TX_QUEUE_BASE_REG);
- +
- + /* GMAC0 SW TX Q0-Q5 */
- + offset = 0;
- + rwptr_reg.bits.wptr = 0;
- + rwptr_reg.bits.rptr = 0;
- + rwptr_addr = gmac->dma_base_addr + GMAC_SW_TX_QUEUE0_PTR_REG;
- + for (i = 0; i < TOE_SW_TXQ_NUM; i++) {
- + gmac->swtxq[i].rwptr_reg = rwptr_addr;
- + gmac->swtxq[i].desc_base_dma = (unsigned int)gmac->swtxq_desc_base_dma + offset;
- + gmac->swtxq[i].desc_base = (unsigned int)desc_buf + offset;
- + offset += TOE_GMAC_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
- + __raw_writel(rwptr_reg.bits32, rwptr_addr);
- + rwptr_addr += 4;
- + }
- +}
- +
- +/*----------------------------------------------------------------------
- +* toe_init_default_queue
- +* (1) Initialize the default 0/1 Queue Header
- +* Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000)
- +* TOE_DEFAULT_Q1_HDR_BASE (0x60002008)
- +* (2) Initialize Descriptors of Default Queue 0/1
- +*----------------------------------------------------------------------*/
- +static void toe_init_default_queue(struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + struct toe_private *toe = dev->ml_priv;
- + volatile NONTOE_QHDR_T *qhdr;
- + GMAC_RXDESC_T *desc_ptr;
- +
- + desc_ptr = dma_alloc_coherent(toe->dev, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T),
- + &gmac->default_desc_base_dma, GFP_KERNEL);
- + if (!desc_ptr) {
- + dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__);
- + return;
- + }
- + memset(desc_ptr, 0, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T));
- + dma_sync_single_for_device(toe->dev, gmac->default_desc_base_dma,
- + TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T),
- + DMA_TO_DEVICE);
- + gmac->default_desc_base = (unsigned int)desc_ptr;
- + qhdr = (volatile NONTOE_QHDR_T *)(toe->global_base + TOE_DEFAULT_Q_HDR_BASE(gmac->port_id));
- + qhdr->word0.base_size = ((unsigned int)gmac->default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q_DESC_POWER;
- + qhdr->word1.bits32 = 0;
- + gmac->default_qhdr = (NONTOE_QHDR_T *)qhdr;
- +}
- +
- +/*----------------------------------------------------------------------
- +* toe_init_interrupt_config
- +* Interrupt Select Registers are used to map interrupt to int0 or int1
- +* Int0 and int1 are wired to CPU 0/1 GMAC 0/1
- +* Interrupt Device Inteface data are used to pass device info to
- +* upper device driver or store status/statistics
- +* ISR handler
- +* (1) If status bit ON but masked, the prinf error message (bug issue)
- +* (2) If select bits are for me, handle it, else skip to let
- +* the other ISR handles it.
- +* Notes:
- +* GMACx init routine (for eCOS) or open routine (for Linux)
- +* enable the interrupt bits only which are selected for it.
- +*
- +* Default Setting:
- +* GMAC0 intr bits ------> int0 ----> eth0
- +* GMAC1 intr bits ------> int1 ----> eth1
- +* TOE intr -------------> int0 ----> eth0
- +* Classification Intr --> int0 ----> eth0
- +* Default Q0 -----------> int0 ----> eth0
- +* Default Q1 -----------> int1 ----> eth1
- +*----------------------------------------------------------------------*/
- +static void toe_init_interrupt_config(struct toe_private *toe)
- +{
- + /* clear all status bits */
- + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
- + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
- + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
- + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
- + __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
- +
- + /* Init select registers */
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
- +
- + /* disable all interrupt */
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_0_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_1_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_2_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_3_REG);
- + __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_4_REG);
- +}
- +
- +static void toe_gmac_hw_start(struct gmac_private *gmac)
- +{
- + GMAC_DMA_CTRL_T dma_ctrl;
- +
- + /* program dma control register */
- + dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
- + dma_ctrl.bits.rd_enable = 1;
- + dma_ctrl.bits.td_enable = 1;
- + dma_ctrl.bits.loopback = 0;
- + dma_ctrl.bits.drop_small_ack = 0;
- + dma_ctrl.bits.rd_prot = 0;
- + dma_ctrl.bits.rd_burst_size = 3;
- + dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES;
- + dma_ctrl.bits.rd_bus = 3;
- + dma_ctrl.bits.td_prot = 0;
- + dma_ctrl.bits.td_burst_size = 3;
- + dma_ctrl.bits.td_bus = 3;
- +
- + __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
- +}
- +
- +static void toe_gmac_hw_stop(struct gmac_private *gmac)
- +{
- + GMAC_DMA_CTRL_T dma_ctrl;
- +
- + /* program dma control register */
- + dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
- + dma_ctrl.bits.rd_enable = 0;
- + dma_ctrl.bits.td_enable = 0;
- + __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG);
- +}
- +
- +static void toe_gmac_init_chip(struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + GMAC_CONFIG2_T config2_val;
- + GMAC_CONFIG0_T config0;
- + GMAC_CONFIG1_T config1;
- + GMAC_STATUS_T status;
- + GMAC_TX_WCR0_T hw_weigh;
- + GMAC_TX_WCR1_T sw_weigh;
- + GMAC_RX_FLTR_T rx_filter;
- +
- + /* set RX_FLTR register to receive all multicast packet */
- + rx_filter.bits32 = __raw_readl(dev->base_addr + GMAC_RX_FLTR);
- + rx_filter.bits.unicast = 1;
- + rx_filter.bits.multicast = 1;
- + rx_filter.bits.broadcast = 1;
- + __raw_writel(rx_filter.bits32, dev->base_addr + GMAC_RX_FLTR);
- +
- + /* set flow control threshold */
- + config1.bits32 = 0;
- + config1.bits.set_threshold = 32 / 2;
- + config1.bits.rel_threshold = 32 / 4 * 3;
- + __raw_writel(config1.bits32, dev->base_addr + GMAC_CONFIG1);
- +
- + /* set flow control threshold */
- + config2_val.bits32 = 0;
- + config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM / 4;
- + config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM / 2;
- + __raw_writel(config2_val.bits32, dev->base_addr + GMAC_CONFIG2);
- +
- + /* disable TX/RX and disable internal loop back */
- + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
- +
- + config0.bits.max_len = 2;
- +
- + gmac->flow_control_enable = 0;
- +
- + config0.bits.tx_fc_en = 0; /* disable tx flow control */
- + config0.bits.rx_fc_en = 0; /* disable rx flow control */
- + config0.bits.dis_rx = 1; /* disable rx */
- + config0.bits.dis_tx = 1; /* disable tx */
- + config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
- + config0.bits.rx_err_detect = 1;
- + config0.bits.rgmii_en = 0;
- + config0.bits.rgmm_edge = 1;
- + config0.bits.rxc_inv = 0;
- + config0.bits.ipv4_rx_chksum = 1; /* enable H/W to check ip checksum */
- + config0.bits.ipv6_rx_chksum = 1; /* enable H/W to check ip checksum */
- + config0.bits.port0_chk_hwq = 1;
- + config0.bits.port1_chk_hwq = 1;
- + config0.bits.port0_chk_toeq = 1;
- + config0.bits.port1_chk_toeq = 1;
- + config0.bits.port0_chk_classq = 1;
- + config0.bits.port1_chk_classq = 1;
- +
- + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
- +
- + hw_weigh.bits32 = 0;
- + hw_weigh.bits.hw_tq3 = 1;
- + hw_weigh.bits.hw_tq2 = 1;
- + hw_weigh.bits.hw_tq1 = 1;
- + hw_weigh.bits.hw_tq0 = 1;
- + __raw_writel(hw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_0_REG);
- +
- + sw_weigh.bits32 = 0;
- + sw_weigh.bits.sw_tq5 = 1;
- + sw_weigh.bits.sw_tq4 = 1;
- + sw_weigh.bits.sw_tq3 = 1;
- + sw_weigh.bits.sw_tq2 = 1;
- + sw_weigh.bits.sw_tq1 = 1;
- + sw_weigh.bits.sw_tq0 = 1;
- + __raw_writel(sw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_1_REG);
- +
- + /* set interface type */
- + status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS);
- +
- + switch (gmac->phydev->interface) {
- + case PHY_INTERFACE_MODE_MII:
- + status.bits.mii_rmii = GMAC_PHY_MII;
- + break;
- + case PHY_INTERFACE_MODE_GMII:
- + status.bits.mii_rmii = GMAC_PHY_GMII;
- + break;
- + case PHY_INTERFACE_MODE_RGMII:
- + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
- + break;
- + default:
- + dev_err(&dev->dev, "Unsupported MII interface\n");
- + return;
- + }
- +
- + __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS);
- +}
- +
- +static void toe_init_gmac(struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + struct toe_private *toe = dev->ml_priv;
- + u32 data;
- +
- + /* GMAC initialization */
- + toe_gmac_init_chip(dev);
- +
- + /* -----------------------------------------------------------
- + Enable GMAC interrupt & disable loopback
- + Notes:
- + GMACx init routine (for eCOS) or open routine (for Linux)
- + enable the interrupt bits only which are selected for him.
- + --------------------------------------------------------------*/
- +
- + /* Enable Interrupt Bits */
- + if (gmac->port_id == 0) {
- + gmac->intr0_selected = GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT |
- + GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT |
- + GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT |
- + GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT |
- + GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT |
- + GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT |
- + GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT |
- + GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
- +
- +#ifdef GMAX_TX_INTR_DISABLED
- + gmac->intr0_enabled = 0;
- +#else
- + gmac->intr0_enabled = GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
- +#endif
- +
- + gmac->intr1_selected = TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS |
- + GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT |
- + GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT |
- + DEFAULT_Q0_INT_BIT;
- + gmac->intr1_enabled = DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS;
- + gmac->intr2_selected = 0xffffffff; /* TOE Queue 32-63 FUUL Intr */
- + gmac->intr2_enabled = 0xffffffff;
- + gmac->intr3_selected = 0xffffffff; /* TOE Queue 0-31 FUUL Intr */
- + gmac->intr3_enabled = 0xffffffff;
- + gmac->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS |
- + HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
- + gmac->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT;
- +
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) & ~gmac->intr0_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) & ~gmac->intr1_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) & ~gmac->intr2_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) & ~gmac->intr3_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) & ~gmac->intr4_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
- + } else {
- + gmac->intr0_selected = GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT |
- + GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT |
- + GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT |
- + GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT |
- + GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT |
- + GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT |
- + GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT |
- + GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
- +#ifdef GMAX_TX_INTR_DISABLED
- + gmac->intr0_enabled = 0;
- +#else
- + gmac->intr0_enabled = GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
- +#endif
- +
- + gmac->intr1_selected = DEFAULT_Q1_INT_BIT;
- + gmac->intr1_enabled = DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS;
- + gmac->intr2_selected = 0; /* TOE Queue 32-63 FUUL Intr */
- + gmac->intr2_enabled = 0;
- + gmac->intr3_selected = 0; /* TOE Queue 0-31 FUUL Intr */
- + gmac->intr3_enabled = 0;
- + gmac->intr4_selected = GMAC1_INT_BITS;
- + gmac->intr4_enabled = GMAC1_INT_BITS;
- +
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) | gmac->intr0_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) | gmac->intr1_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) | gmac->intr2_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) | gmac->intr3_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG);
- + data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) | gmac->intr4_selected;
- + __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG);
- + }
- +
- + /* enable only selected bits */
- + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_0_REG,
- + gmac->intr0_enabled, gmac->intr0_selected);
- + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_1_REG,
- + gmac->intr1_enabled, gmac->intr1_selected);
- + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_2_REG,
- + gmac->intr2_enabled, gmac->intr2_selected);
- + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_3_REG,
- + gmac->intr3_enabled, gmac->intr3_selected);
- + gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_4_REG,
- + gmac->intr4_enabled, gmac->intr4_selected);
- +
- + /* start DMA process */
- + toe_gmac_hw_start(gmac);
- +}
- +
- +static void toe_gmac_enable_tx_rx(struct net_device *dev)
- +{
- + GMAC_CONFIG0_T config0;
- +
- + /* enable TX/RX */
- + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
- + config0.bits.dis_rx = 0; /* enable rx */
- + config0.bits.dis_tx = 0; /* enable tx */
- + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
- +}
- +
- +static void toe_gmac_disable_tx_rx(struct net_device *dev)
- +{
- + GMAC_CONFIG0_T config0;
- +
- + /* enable TX/RX */
- + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
- + config0.bits.dis_rx = 1; /* disable rx */
- + config0.bits.dis_tx = 1; /* disable tx */
- + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
- +}
- +
- +static void toe_gmac_tx_complete(struct net_device *dev, unsigned int tx_qid)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + struct toe_private *toe = dev->ml_priv;
- + GMAC_TXDESC_T *curr_desc;
- + GMAC_TXDESC_0_T word0;
- + GMAC_TXDESC_1_T word1;
- + unsigned int desc_count;
- + GMAC_SWTXQ_T *swtxq;
- + DMA_RWPTR_T rwptr;
- +
- + /* get tx H/W completed descriptor virtual address */
- + /* check tx status and accumulate tx statistics */
- + swtxq = &gmac->swtxq[tx_qid];
- + for (;;) {
- + rwptr.bits32 = __raw_readl(swtxq->rwptr_reg);
- + if (rwptr.bits.rptr == swtxq->finished_idx)
- + break;
- + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
- + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
- + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
- + sizeof(GMAC_TXDESC_T),
- + DMA_FROM_DEVICE);
- + word0.bits32 = curr_desc->word0.bits32;
- + word1.bits32 = curr_desc->word1.bits32;
- +
- + if (word0.bits.status_tx_ok) {
- + dev->stats.tx_bytes += word1.bits.byte_count;
- + desc_count = word0.bits.desc_count;
- + if (desc_count == 0) {
- + dev_err(&dev->dev, "%s::Desc 0x%x = 0x%x, desc_count=%d\n", __func__, (u32)curr_desc, word0.bits32, desc_count);
- + BUG();
- + }
- + while (--desc_count) {
- + word0.bits.status_tx_ok = 0;
- + curr_desc->word0.bits32 = word0.bits32;
- + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
- + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
- + sizeof(GMAC_TXDESC_T),
- + DMA_TO_DEVICE);
- + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM);
- + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
- + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
- + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
- + sizeof(GMAC_TXDESC_T),
- + DMA_FROM_DEVICE);
- + word0.bits32 = curr_desc->word0.bits32;
- + }
- +
- + word0.bits.status_tx_ok = 0;
- + dev_kfree_skb_any(swtxq->tx_skb[swtxq->finished_idx]);
- + swtxq->tx_skb[swtxq->finished_idx] = NULL;
- +
- + curr_desc->word0.bits32 = word0.bits32;
- + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
- + swtxq->finished_idx * sizeof(GMAC_TXDESC_T),
- + sizeof(GMAC_TXDESC_T),
- + DMA_TO_DEVICE);
- + dev->stats.tx_packets++;
- + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM);
- + } else {
- + break;
- + }
- + }
- +
- + if (netif_queue_stopped(dev))
- + netif_wake_queue(dev);
- +}
- +
- +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + struct toe_private *toe = dev->ml_priv;
- + DMA_RWPTR_T rwptr;
- + GMAC_TXDESC_T *curr_desc;
- + int snd_pages = skb_shinfo(skb)->nr_frags + 1; /* get number of descriptor */
- + int frag_id = 0;
- + int len, total_len = skb->len;
- + struct net_device_stats *isPtr = &dev->stats;
- + unsigned int free_desc;
- + GMAC_SWTXQ_T *swtxq;
- + register unsigned long word0, word1, word2, word3;
- + unsigned short wptr, rptr;
- +
- +#ifdef GMAC_LEN_1_2_ISSUE
- + int total_pages;
- + total_pages = snd_pages;
- +#endif
- +
- + if (skb->len >= 0x10000) {
- + isPtr->tx_dropped++;
- + dev_err(&dev->dev, "%s::skb->len %d >= 64K\n", __func__, skb->len);
- + netif_stop_queue(dev);
- + return 1;
- + }
- +
- +#ifdef GMAC_USE_TXQ0
- + #define tx_qid 0
- +#endif
- +
- + swtxq = &gmac->swtxq[tx_qid];
- +
- + rwptr.bits32 = __raw_readl(swtxq->rwptr_reg);
- + wptr = rwptr.bits.wptr;
- + rptr = rwptr.bits.rptr;
- +
- + /*
- + * check finished desc or empty BD
- + * cannot check by read ptr of RW PTR register,
- + * because the HW complete to send but the SW may NOT handle it
- + */
- +#ifdef GMAX_TX_INTR_DISABLED
- + toe_gmac_tx_complete(dev, tx_qid);
- +#endif
- + if (wptr >= swtxq->finished_idx)
- + free_desc = TOE_GMAC_SWTXQ_DESC_NUM - wptr + swtxq->finished_idx;
- + else
- + free_desc = swtxq->finished_idx - wptr;
- +
- + if (free_desc < snd_pages) {
- + isPtr->tx_dropped++;
- + netif_stop_queue(dev);
- + return 1;
- + }
- +
- + while (snd_pages) {
- + char *pkt_datap;
- +
- + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr;
- + if (frag_id == 0) {
- + len = skb_headlen(skb);
- + pkt_datap = dma_map_single(toe->dev, skb->data, len, DMA_TO_DEVICE);
- + } else {
- + skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_id - 1];
- + len = frag->size;
- + pkt_datap = dma_map_page(toe->dev, frag->page, frag->page_offset, len, DMA_TO_DEVICE);
- + }
- +
- + /* set TX descriptor */
- + word0 = len;
- + word3 = (dev->mtu + 14) | EOFIE_BIT;
- +
- +#ifdef DO_HW_CHKSUM
- + if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff)))
- + word1 = total_len |
- + TSS_IP_CHKSUM_BIT |
- + TSS_IPV6_ENABLE_BIT |
- + TSS_MTU_ENABLE_BIT;
- + else
- + word1 = total_len |
- + TSS_UDP_CHKSUM_BIT |
- + TSS_TCP_CHKSUM_BIT |
- + TSS_IP_CHKSUM_BIT |
- + TSS_IPV6_ENABLE_BIT |
- + TSS_MTU_ENABLE_BIT;
- +#else
- + word1 = total_len | TSS_MTU_ENABLE_BIT;
- +#endif
- + word2 = pkt_datap;
- +
- + if (frag_id == 0)
- + word3 |= SOF_BIT;
- +
- + if (snd_pages == 1) {
- + word3 |= EOF_BIT;
- + swtxq->tx_skb[wptr] = skb;
- + } else
- + swtxq->tx_skb[wptr] = NULL;
- +
- +#ifdef GMAC_LEN_1_2_ISSUE
- + if ((total_pages != snd_pages) && (len == 1 || len == 2) && ((u32)pkt_datap & 0x03)) {
- + memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len);
- + pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0];
- + word2 = (unsigned long)__pa(pkt_datap);
- + _debug_prefetch_cnt++;
- + if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM)
- + _debug_prefetch_cnt = 0;
- + }
- +#endif
- + curr_desc->word0.bits32 = word0;
- + curr_desc->word1.bits32 = word1;
- + curr_desc->word2.bits32 = word2;
- + curr_desc->word3.bits32 = word3;
- + free_desc--;
- + dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma,
- + wptr * sizeof(GMAC_TXDESC_T),
- + sizeof(GMAC_TXDESC_T),
- + DMA_TO_DEVICE);
- + wptr = RWPTR_ADVANCE_ONE(wptr, TOE_GMAC_SWTXQ_DESC_NUM);
- + frag_id++;
- + snd_pages--;
- + }
- +
- + SET_WPTR(swtxq->rwptr_reg, wptr);
- + dev->trans_start = jiffies;
- +
- + return 0;
- +}
- +
- +static void __gmac_set_mac_address(struct net_device *dev)
- +{
- + unsigned int reg_val;
- +
- + reg_val = dev->dev_addr[0] + (dev->dev_addr[1] << 8) +
- + (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24);
- + __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD0);
- + reg_val = (__raw_readl(dev->base_addr + GMAC_STA_ADD1) & 0xFFFF0000) +
- + dev->dev_addr[4] + (dev->dev_addr[5] << 8);
- + __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD1);
- +}
- +
- +static int gmac_set_mac_address(struct net_device *dev, void *addr)
- +{
- + struct sockaddr *sa = addr;
- +
- + memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
- +
- + __gmac_set_mac_address(dev);
- +
- + return 0;
- +}
- +
- +static void gmac_get_mac_address(struct net_device *dev)
- +{
- + unsigned int reg_val;
- +
- + reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD0);
- + dev->dev_addr[0] = reg_val & 0xFF;
- + dev->dev_addr[1] = (reg_val >> 8) & 0xFF;
- + dev->dev_addr[2] = (reg_val >> 16) & 0xFF;
- + dev->dev_addr[3] = (reg_val >> 24) & 0xFF;
- + reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD1);
- + dev->dev_addr[4] = reg_val & 0xFF;
- + dev->dev_addr[5] = (reg_val >> 8) & 0xFF;
- +
- + if (!is_valid_ether_addr(dev->dev_addr)) {
- + random_ether_addr(dev->dev_addr);
- + __gmac_set_mac_address(dev);
- + }
- +}
- +
- +struct net_device_stats *gmac_get_stats(struct net_device *dev)
- +{
- + if (netif_running(dev)) {
- + unsigned short multicast;
- +
- + multicast = __raw_readw(dev->base_addr + GMAC_IN_MCAST) +
- + __raw_readw(dev->base_addr + GMAC_IN_BCAST);
- +
- + dev->stats.rx_dropped += __raw_readw(dev->base_addr + GMAC_IN_DISCARDS);
- + dev->stats.rx_errors += __raw_readw(dev->base_addr + GMAC_IN_ERRORS);
- + dev->stats.rx_packets += __raw_readl(dev->base_addr + GMAC_IN_MAC1) + multicast;
- + dev->stats.multicast += multicast;
- + }
- +
- + return &dev->stats;
- +}
- +
- +/* TODO: If possible use crc32 from kernel lib */
- +static unsigned const ethernet_polynomial = 0x04c11db7U;
- +static unsigned int ether_crc(int length, unsigned char *data)
- +{
- + int crc = -1;
- + unsigned int i;
- + unsigned int crc_val = 0;
- +
- + while (--length >= 0) {
- + unsigned char current_octet = *data++;
- + int bit;
- + for (bit = 0; bit < 8; bit++, current_octet >>= 1)
- + crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ?
- + ethernet_polynomial : 0);
- + }
- + crc = ~crc;
- + for (i = 0; i < 32; i++)
- + crc_val = crc_val + (((crc << i) & 0x80000000) >> (31 - i));
- +
- + return crc_val;
- +}
- +
- +/*----------------------------------------------------------------------
- +* toe_gmac_fill_free_q
- +* allocate buffers for free queue.
- +*----------------------------------------------------------------------*/
- +static void toe_gmac_fill_free_q(struct toe_private *toe)
- +{
- + struct sk_buff *skb;
- + DMA_RWPTR_T fq_rwptr;
- + GMAC_RXDESC_T *fq_desc;
- + unsigned long flags;
- +
- + spin_lock_irqsave(&toe->freeq_lock, flags);
- + fq_rwptr.bits32 = __raw_readl(toe->global_base + GLOBAL_SWFQ_RWPTR_REG);
- + while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
- + TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
- + skb = dev_alloc_skb(SW_RX_BUF_SIZE);
- + if (skb == NULL) {
- + dev_err(toe->dev, "%s::skb allocation fail\n", __func__);
- + break;
- + }
- + REG32(skb->data) = (unsigned int)skb;
- + skb_reserve(skb, SKB_RESERVE_BYTES);
- + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
- + TOE_SW_FREEQ_DESC_NUM);
- + fq_desc = (GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr;
- + fq_desc->word2.buf_adr = dma_map_single(toe->dev, skb->data,
- + SW_RX_BUF_SIZE - SKB_RESERVE_BYTES,
- + DMA_FROM_DEVICE);
- + dma_sync_single_range_for_device(toe->dev,
- + toe->sw_freeq_desc_base_dma,
- + fq_rwptr.bits.wptr * sizeof(GMAC_RXDESC_T),
- + sizeof(GMAC_RXDESC_T),
- + DMA_TO_DEVICE);
- + SET_WPTR(toe->global_base + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
- + }
- + spin_unlock_irqrestore(&toe->freeq_lock, flags);
- +}
- +
- +static void fill_free_q_worker(struct work_struct *work)
- +{
- + struct toe_private *toe = container_of(work, struct toe_private, freq_work);
- +
- + toe_gmac_fill_free_q(toe);
- +}
- +
- +/*----------------------------------------------------------------------
- +* toe_gmac_handle_default_rxq
- +* (1) Get rx Buffer for default Rx queue
- +* (2) notify or call upper-routine to handle it
- +* (3) get a new buffer and insert it into SW free queue
- +* (4) Note: The SW free queue Read-Write Pointer should be locked when accessing
- +*----------------------------------------------------------------------*/
- +static void toe_gmac_handle_default_rxq(struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + struct toe_private *toe = dev->ml_priv;
- + GMAC_RXDESC_T *curr_desc;
- + struct sk_buff *skb;
- + DMA_RWPTR_T rwptr;
- + unsigned int pkt_size;
- + int max_cnt;
- + unsigned int desc_count;
- + unsigned int chksum_status, rx_status;
- + struct net_device_stats *isPtr = &dev->stats;
- +
- + rwptr.bits32 = __raw_readl(&gmac->default_qhdr->word1);
- + max_cnt = DEFAULT_RXQ_MAX_CNT;
- + while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr) {
- + curr_desc = (GMAC_RXDESC_T *)gmac->default_desc_base + rwptr.bits.rptr;
- + dma_sync_single_range_for_device(toe->dev,
- + gmac->default_desc_base_dma,
- + rwptr.bits.rptr * sizeof(GMAC_RXDESC_T),
- + sizeof(GMAC_RXDESC_T),
- + DMA_FROM_DEVICE);
- + rx_status = curr_desc->word0.bits.status;
- + chksum_status = curr_desc->word0.bits.chksum_status;
- + pkt_size = curr_desc->word1.bits.byte_count; /* total byte count in a frame */
- + desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */
- + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
- +
- + if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
- + || (pkt_size < 60) || (chksum_status & 0x4) || rx_status) {
- + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr)
- + dev_err(&dev->dev, "%s::derr\n", __func__);
- + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr)
- + dev_err(&dev->dev, "%s::perr\n", __func__);
- + if (rx_status && (rx_status == 4 || rx_status == 7))
- + isPtr->rx_crc_errors++;
- +
- + dev_kfree_skb_irq(skb);
- + goto bad_frame;
- + }
- +
- + if (curr_desc->word0.bits.drop)
- + dev_warn(&dev->dev, "%s::Drop\n", __func__);
- +
- + /* get frame information from the first descriptor of the frame */
- + skb_reserve(skb, RX_INSERT_BYTES); /* 16 byte align the IP fields. */
- + skb_put(skb, pkt_size);
- + skb->dev = dev;
- + skb->protocol = eth_type_trans(skb, dev);
- + if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK || chksum_status == RX_CHKSUM_IP_OK_ONLY)
- + skb->ip_summed = CHECKSUM_UNNECESSARY;
- +
- + netif_rx(skb); /* socket rx */
- + dev->last_rx = jiffies;
- +
- + isPtr->rx_bytes += pkt_size;
- +
- +bad_frame:
- + /* advance one for Rx default Q 0/1 */
- + rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, TOE_DEFAULT_Q_DESC_NUM);
- + SET_RPTR(&gmac->default_qhdr->word1, rwptr.bits.rptr);
- + }
- +
- + schedule_work(&toe->freq_work);
- +}
- +
- +static irqreturn_t toe_gmac_interrupt(int irq, void *dev_instance)
- +{
- + struct net_device *dev = dev_instance;
- + struct gmac_private *gmac = netdev_priv(dev);
- + struct toe_private *toe = dev->ml_priv;
- + unsigned int status0;
- + unsigned int status1;
- + unsigned int status2;
- + unsigned int status3;
- + unsigned int status4;
- + int handled = 0;
- +
- + /* read Interrupt status */
- + status0 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
- + status1 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
- + status2 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
- + status3 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
- + status4 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
- +
- + /* clear interrupts */
- + if (status0)
- + __raw_writel(status0, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG);
- + if (status1)
- + __raw_writel(status1, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG);
- + if (status2)
- + __raw_writel(status2, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG);
- + if (status3)
- + __raw_writel(status3, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG);
- + if (status4)
- + __raw_writel(status4, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG);
- +
- + /* handle freeq interrupt first */
- + if (status4 & gmac->intr4_enabled) {
- + if ((status4 & SWFQ_EMPTY_INT_BIT) && (gmac->intr4_enabled & SWFQ_EMPTY_INT_BIT)) {
- + toe_gmac_fill_free_q(toe);
- + handled = 1;
- + }
- + }
- +
- + /* Interrupt Status 1 */
- + if (status1 & gmac->intr1_enabled) {
- + /*
- + * Handle GMAC 0/1 HW Tx queue 0-3 EOF events
- + * Only count
- + * TOE, Classification, and default queues interrupts are handled by ISR
- + * because they should pass packets to upper layer
- + */
- + if (gmac->port_id == 0) {
- + if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q0_INT_BIT)) {
- + toe_gmac_handle_default_rxq(dev);
- + handled = 1;
- + }
- + } else if (gmac->port_id == 1) {
- + if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q1_INT_BIT)) {
- + toe_gmac_handle_default_rxq(dev);
- + handled = 1;
- + }
- + }
- + }
- +
- + /* Interrupt Status 0 */
- + if (status0 & gmac->intr0_enabled) {
- +#ifndef GMAX_TX_INTR_DISABLED
- + if (gmac->port_id == 1 && netif_running(dev) &&
- + (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT))
- + ||
- + ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT)))) {
- + toe_gmac_tx_complete(dev, 0);
- + handled = 1;
- + }
- +
- + if (gmac->port_id == 0 && netif_running(dev) &&
- + (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT))
- + ||
- + ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT)))) {
- + toe_gmac_tx_complete(dev, 0);
- + handled = 1;
- + }
- +#endif
- + }
- +
- + return IRQ_RETVAL(handled);
- +}
- +
- +static int gmac_open(struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + int retval;
- +
- + /* hook ISR */
- + retval = request_irq(dev->irq, toe_gmac_interrupt, 0, dev->name, dev);
- + if (retval)
- + return retval;
- +
- + toe_init_gmac(dev);
- +
- + netif_carrier_off(dev);
- + phy_start(gmac->phydev);
- +
- + netif_start_queue(dev);
- +
- + return 0;
- +}
- +
- +static int gmac_close(struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- +
- + netif_stop_queue(dev);
- + mdelay(20);
- +
- + if (gmac->phydev)
- + phy_stop(gmac->phydev);
- +
- + /* stop tx/rx packet */
- + toe_gmac_disable_tx_rx(dev);
- + mdelay(20);
- +
- + /* stop the chip's Tx and Rx DMA processes */
- + toe_gmac_hw_stop(gmac);
- +
- + disable_irq(dev->irq);
- + free_irq(dev->irq, dev);
- +
- + return 0;
- +}
- +
- +static void gmac_get_phy_status(struct net_device *dev)
- +{
- + struct gmac_private *gmac = netdev_priv(dev);
- + GMAC_CONFIG0_T config0;
- + GMAC_STATUS_T status, old_status;
- + struct phy_device *phydev = gmac->phydev;
- +
- + old_status.bits32 = status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS);
- +
- + status.bits.link = phydev->link;
- + status.bits.duplex = phydev->duplex;
- +
- + switch (phydev->speed) {
- + case 1000:
- + status.bits.speed = GMAC_SPEED_1000;
- + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
- + status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
- + break;
- + case 100:
- + status.bits.speed = GMAC_SPEED_100;
- + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
- + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
- + break;
- + case 10:
- + status.bits.speed = GMAC_SPEED_10;
- + if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
- + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10;
- + break;
- + default:
- + dev_warn(&dev->dev, "Not supported PHY speed (%d)\n", phydev->speed);
- + }
- +
- + if (phydev->pause) {
- + if (gmac->flow_control_enable == 0) {
- + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
- + config0.bits.tx_fc_en = 1; /* enable tx flow control */
- + config0.bits.rx_fc_en = 1; /* enable rx flow control */
- + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
- + dev_info(&dev->dev, "MII flow control enabled\n");
- + }
- + gmac->flow_control_enable = 1;
- + } else {
- + if (gmac->flow_control_enable == 1) {
- + config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0);
- + config0.bits.tx_fc_en = 0; /* disable tx flow control */
- + config0.bits.rx_fc_en = 0; /* disable rx flow control */
- + __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0);
- + dev_info(&dev->dev, "MII flow control disabled\n");
- + }
- + gmac->flow_control_enable = 0;
- + }
- +
- + if (old_status.bits32 != status.bits32) {
- + toe_gmac_disable_tx_rx(dev);
- + phy_print_status(phydev);
- + mdelay(10); /* let GMAC consume packet */
- + __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS);
- + if (status.bits.link)
- + toe_gmac_enable_tx_rx(dev);
- + }
- +}
- +
- +static void gmac_set_rx_mode(struct net_device *dev)
- +{
- + GMAC_RX_FLTR_T filter;
- + unsigned int mc_filter[2]; /* Multicast hash filter */
- + int bit_nr;
- + unsigned int i;
- +
- + filter.bits32 = 0;
- + filter.bits.error = 0;
- + if (dev->flags & IFF_PROMISC) {
- + filter.bits.error = 1;
- + filter.bits.promiscuous = 1;
- + filter.bits.broadcast = 1;
- + filter.bits.multicast = 1;
- + filter.bits.unicast = 1;
- + mc_filter[1] = mc_filter[0] = 0xffffffff;
- + } else if (dev->flags & IFF_ALLMULTI) {
- + filter.bits.broadcast = 1;
- + filter.bits.multicast = 1;
- + filter.bits.unicast = 1;
- + mc_filter[1] = mc_filter[0] = 0xffffffff;
- + } else {
- + struct dev_mc_list *mclist;
- +
- + filter.bits.broadcast = 1;
- + filter.bits.multicast = 1;
- + filter.bits.unicast = 1;
- + mc_filter[1] = mc_filter[0] = 0;
- + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; i++, mclist = mclist->next) {
- + bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f;
- + if (bit_nr <= 32)
- + mc_filter[0] = mc_filter[0] | (1 << bit_nr);
- + else
- + mc_filter[1] = mc_filter[1] | (1 << (bit_nr - 32));
- + }
- + }
- + __raw_writel(filter.bits32, dev->base_addr + GMAC_RX_FLTR);
- + __raw_writel(mc_filter[0], dev->base_addr + GMAC_MCAST_FIL0);
- + __raw_writel(mc_filter[1], dev->base_addr + GMAC_MCAST_FIL1);
- +}
- +
- +static void gmac_tx_timeout(struct net_device *dev)
- +{
- + if (!netif_queue_stopped(dev))
- + netif_wake_queue(dev);
- +
- + dev_warn(&dev->dev, "TX timeout\n");
- +}
- +
- +const static struct net_device_ops gemini_gmac_ops = {
- + .ndo_open = gmac_open,
- + .ndo_stop = gmac_close,
- + .ndo_start_xmit = gmac_start_xmit,
- + .ndo_get_stats = gmac_get_stats,
- + .ndo_set_multicast_list = gmac_set_rx_mode,
- + .ndo_set_mac_address = gmac_set_mac_address,
- + .ndo_tx_timeout = gmac_tx_timeout,
- +};
- +
- +static void __init mac_init_drv(struct toe_private *toe)
- +{
- + QUEUE_THRESHOLD_T threshold;
- + DMA_SKB_SIZE_T skb_size;
- +
- + /* clear non TOE Queue Header Area */
- + memset(toe->global_base + TOE_NONTOE_QUE_HDR_BASE, 0,
- + NONTOE_Q_HDR_AREA_END - TOE_NONTOE_QUE_HDR_BASE);
- +
- + /* clear TOE Queue Header Area */
- + memset(toe->global_base + TOE_TOE_QUE_HDR_BASE, 0,
- + TOE_Q_HDR_AREA_END - TOE_TOE_QUE_HDR_BASE);
- +
- + /* Write GLOBAL_QUEUE_THRESHOLD_REG */
- + threshold.bits32 = 0;
- + threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 :
- + TOE_SW_FREEQ_DESC_NUM / 2;
- + threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256 / 4 :
- + TOE_HW_FREEQ_DESC_NUM / 4;
- + threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256 / 4 :
- + TOE_TOE_DESC_NUM / 4;
- + threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256 / 4 :
- + TOE_INTR_DESC_NUM / 4;
- + __raw_writel(threshold.bits32, toe->global_base + GLOBAL_QUEUE_THRESHOLD_REG);
- +
- + /* Init skb size */
- + skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE;
- + skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE;
- + __raw_writel(skb_size.bits32, toe->global_base + GLOBAL_DMA_SKB_SIZE_REG);
- +
- + toe_init_free_queue(toe);
- + toe_init_interrupt_config(toe);
- +}
- +
- +static int __init gmac_init_eth(struct platform_device *pdev, unsigned int num)
- +{
- + struct gmac_private *gmac;
- + struct net_device *dev;
- + struct toe_private *toe = platform_get_drvdata(pdev);
- + struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data;
- +
- + if (!pdata->bus_id[num])
- + return 0;
- +
- + dev = alloc_etherdev(sizeof(*gmac));
- + if (dev == NULL) {
- + dev_err(&pdev->dev, "Can't allocate ethernet device #%d\n", num);
- + return -ENOMEM;
- + }
- +
- + gmac = netdev_priv(dev);
- + dev->ml_priv = toe;
- + toe->net_dev[num] = dev;
- +
- + gmac->dma_base_addr = toe->global_base + TOE_GMAC_DMA_BASE(num);
- + gmac->port_id = num;
- +
- + dev->base_addr = toe->global_base + TOE_GMAC_BASE(num);
- + dev->irq = platform_get_irq(pdev, num);
- + dev->netdev_ops = &gemini_gmac_ops;
- + dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT;
- + dev->tx_queue_len = TOE_GMAC_SWTXQ_DESC_NUM;
- +
- +#ifdef DO_HW_CHKSUM
- + dev->features = NETIF_F_SG | NETIF_F_HW_CSUM;
- +#ifdef ENABLE_TSO
- + dev->features |= NETIF_F_TSO;
- +#endif
- +#endif
- +
- + toe_init_swtx_queue(dev);
- + toe_init_default_queue(dev);
- +
- + gmac_get_mac_address(dev);
- +
- + /* TODO: Do we need this? */
- + __raw_writel(0x55aa55aa, dev->base_addr + GMAC_STA_ADD2);
- +
- + if (register_netdev(dev))
- + return -1;
- +
- + gmac->phydev = phy_connect(dev, pdata->bus_id[num], &gmac_get_phy_status, 0,
- + pdata->interface[num]);
- + if (IS_ERR(gmac->phydev))
- + return PTR_ERR(gmac->phydev);
- +
- + gmac->phydev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause;
- + gmac->phydev->advertising = gmac->phydev->supported;
- +
- + return 0;
- +}
- +
- +static int __init gmac_probe(struct platform_device *pdev)
- +{
- + struct resource *res;
- + struct toe_private *toe;
- + int retval;
- +
- + if (!pdev->dev.platform_data)
- + return -EINVAL;
- +
- + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- + if (!res) {
- + dev_err(&pdev->dev, "can't get device resources\n");
- + return -ENODEV;
- + }
- +
- + toe = kzalloc(sizeof(struct toe_private), GFP_KERNEL);
- + if (!toe)
- + return -ENOMEM;
- +
- + toe->dev = &pdev->dev;
- +
- + toe->global_base = ioremap(res->start, resource_size(res));
- + if (!toe->global_base) {
- + dev_err(toe->dev, "ioremap failed\n");
- + retval = -EIO;
- + goto err_data;
- + }
- +
- + platform_set_drvdata(pdev, toe);
- +
- + mac_init_drv(toe);
- +
- + INIT_WORK(&toe->freq_work, fill_free_q_worker);
- + spin_lock_init(&toe->freeq_lock);
- +
- + retval = gmac_init_eth(pdev, GMAC_PORT0);
- + if (retval)
- + goto err_unmap;
- + retval = gmac_init_eth(pdev, GMAC_PORT1);
- + if (retval)
- + goto err_unmap;
- +
- + dev_info(&pdev->dev, SL351x_DRIVER_NAME "\n");
- +
- + return 0;
- +
- +err_unmap:
- + iounmap(toe->global_base);
- +err_data:
- + kfree(toe);
- + return retval;
- +}
- +
- +static int __exit gmac_remove(struct platform_device *pdev)
- +{
- + struct toe_private *toe = platform_get_drvdata(pdev);
- + int i;
- +
- + for (i = 0; i < 2; i++)
- + if (toe->net_dev[i]) {
- + unregister_netdev(toe->net_dev[i]);
- + kfree(toe->net_dev[i]);
- + }
- +
- + iounmap(toe->global_base);
- +
- + kfree(toe);
- +
- + return 0;
- +}
- +
- +static struct platform_driver gemini_gmac_driver = {
- + .probe = gmac_probe,
- + .remove = __exit_p(gmac_remove),
- +
- + .driver = {
- + .name = "gemini-gmac",
- + .owner = THIS_MODULE,
- + },
- +};
- +
- +static int __init gemini_gmac_init(void)
- +{
- + return platform_driver_register(&gemini_gmac_driver);
- +}
- +
- +static void __exit gemini_gmac_exit(void)
- +{
- + platform_driver_unregister(&gemini_gmac_driver);
- +}
- +
- +module_init(gemini_gmac_init);
- +module_exit(gemini_gmac_exit);
- +
- +MODULE_AUTHOR("Paulius Zaleckas");
- +MODULE_DESCRIPTION("Ethernet device driver for Gemini SoC");
- +MODULE_LICENSE("GPL");
- +MODULE_ALIAS("platform:gemini-gmac");
- --- /dev/null
- +++ b/drivers/net/gemini_negmac/gm_gmac.h
- @@ -0,0 +1,1488 @@
- +/*
- + * Register definitions for Gemini Ethernet device driver.
- + *
- + * Copyright (C) 2006, Storlink, Corp.
- + * Copyright (C) 2008-2009, Paulius Zaleckas <[email protected]>
- + *
- + * This program 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.
- + */
- +#ifndef _GMAC_SL351x_H
- +#define _GMAC_SL351x_H
- +#include <linux/skbuff.h>
- +
- +#define _PACKED_ __attribute__ ((aligned(1), packed))
- +
- +#ifndef BIT
- +#define BIT(x) (1 << (x))
- +#endif
- +
- +#define REG32(addr) (*(volatile unsigned long * const)(addr))
- +
- +/* Define frame size */
- +#define GMAC_MAX_ETH_FRAME_SIZE 1514
- +#define GMAC_TX_BUF_SIZE ((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31))
- +
- +#define SW_RX_BUF_SIZE 1536
- +#define HW_RX_BUF_SIZE 1536
- +
- +#define GMAC_DEV_TX_TIMEOUT (10*HZ)
- +#define SKB_RESERVE_BYTES 16
- +
- +/*
- + * Base Registers
- + */
- +#define TOE_NONTOE_QUE_HDR_BASE 0x2000
- +#define TOE_TOE_QUE_HDR_BASE 0x3000
- +#define TOE_V_BIT_BASE 0x4000
- +#define TOE_A_BIT_BASE 0x6000
- +#define TOE_GMAC_DMA_BASE(x) (0x8000 + 0x4000 * (x))
- +#define TOE_GMAC_BASE(x) (0xA000 + 0x4000 * (x))
- +
- +/*
- + * Queue ID
- + */
- +#define TOE_SW_FREE_QID 0x00
- +#define TOE_HW_FREE_QID 0x01
- +#define TOE_GMAC0_SW_TXQ0_QID 0x02
- +#define TOE_GMAC0_SW_TXQ1_QID 0x03
- +#define TOE_GMAC0_SW_TXQ2_QID 0x04
- +#define TOE_GMAC0_SW_TXQ3_QID 0x05
- +#define TOE_GMAC0_SW_TXQ4_QID 0x06
- +#define TOE_GMAC0_SW_TXQ5_QID 0x07
- +#define TOE_GMAC0_HW_TXQ0_QID 0x08
- +#define TOE_GMAC0_HW_TXQ1_QID 0x09
- +#define TOE_GMAC0_HW_TXQ2_QID 0x0A
- +#define TOE_GMAC0_HW_TXQ3_QID 0x0B
- +#define TOE_GMAC1_SW_TXQ0_QID 0x12
- +#define TOE_GMAC1_SW_TXQ1_QID 0x13
- +#define TOE_GMAC1_SW_TXQ2_QID 0x14
- +#define TOE_GMAC1_SW_TXQ3_QID 0x15
- +#define TOE_GMAC1_SW_TXQ4_QID 0x16
- +#define TOE_GMAC1_SW_TXQ5_QID 0x17
- +#define TOE_GMAC1_HW_TXQ0_QID 0x18
- +#define TOE_GMAC1_HW_TXQ1_QID 0x19
- +#define TOE_GMAC1_HW_TXQ2_QID 0x1A
- +#define TOE_GMAC1_HW_TXQ3_QID 0x1B
- +#define TOE_GMAC0_DEFAULT_QID 0x20
- +#define TOE_GMAC1_DEFAULT_QID 0x21
- +#define TOE_CLASSIFICATION_QID(x) (0x22 + x) // 0x22 ~ 0x2F
- +#define TOE_TOE_QID(x) (0x40 + x) // 0x40 ~ 0x7F
- +
- +/*
- + * TOE DMA Queue Number should be 2^n, n = 6...12
- + * TOE DMA Queues are the following queue types:
- + * SW Free Queue, HW Free Queue,
- + * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5
- + * They have same descriptor numbers.
- + * The base address and descriptor number are configured at
- + * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004)
- + */
- +#define TOE_SW_FREEQ_DESC_POWER 8
- +#define TOE_SW_FREEQ_DESC_NUM (1<<TOE_SW_FREEQ_DESC_POWER)
- +#define TOE_HW_FREEQ_DESC_POWER 8
- +#define TOE_HW_FREEQ_DESC_NUM (1<<TOE_HW_FREEQ_DESC_POWER)
- +#define TOE_GMAC_SWTXQ_DESC_POWER 8
- +#define TOE_GMAC_SWTXQ_DESC_NUM (1<<TOE_GMAC_SWTXQ_DESC_POWER)
- +#define TOE_GMAC_HWTXQ_DESC_POWER 8
- +#define TOE_GMAC_HWTXQ_DESC_NUM (1<<TOE_GMAC_HWTXQ_DESC_POWER)
- +#define TOE_DEFAULT_Q_DESC_POWER 8
- +#define TOE_DEFAULT_Q_DESC_NUM (1<<TOE_DEFAULT_Q_DESC_POWER)
- +#define TOE_TOE_DESC_POWER 8
- +#define TOE_TOE_DESC_NUM (1<<TOE_TOE_DESC_POWER)
- +#define TOE_CLASS_DESC_POWER 8
- +#define TOE_CLASS_DESC_NUM (1<<TOE_CLASS_DESC_POWER)
- +#define TOE_INTR_DESC_POWER 8
- +#define TOE_INTR_DESC_NUM (1<<TOE_INTR_DESC_POWER)
- +
- +#define TOE_TOE_QUEUE_MAX 64
- +#define TOE_TOE_QUEUE_NUM 64
- +#define TOE_CLASS_QUEUE_MAX 14
- +#define TOE_CLASS_QUEUE_NUM 14
- +#define TOE_INTR_QUEUE_MAX 4
- +#define TOE_INTR_QUEUE_NUM 4
- +#define TOE_SW_TXQ_MAX 6
- +#define TOE_SW_TXQ_NUM 1
- +#define TOE_HW_TXQ_MAX 4
- +#define TOE_HW_TXQ_NUM 4
- +
- +#define RWPTR_ADVANCE_ONE(x, max) ((x == (max -1)) ? 0 : x+1)
- +#define RWPTR_RECEDE_ONE(x, max) ((x == 0) ? (max -1) : x-1)
- +#define SET_WPTR(addr, data) (*(volatile u16 * const)((u32)(addr) + 2) = (u16)data)
- +#define SET_RPTR(addr, data) (*(volatile u16 * const)((u32)(addr)) = (u16)data)
- +
- +/*
- + * Global registers
- + * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000)
- + * Base 0x60000000
- + */
- +#define GLOBAL_TOE_VERSION_REG 0x0000
- +#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004
- +#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008
- +#define GLOBAL_DMA_SKB_SIZE_REG 0x0010
- +#define GLOBAL_SWFQ_RWPTR_REG 0x0014
- +#define GLOBAL_HWFQ_RWPTR_REG 0x0018
- +#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020
- +#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024
- +#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028
- +#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030
- +#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034
- +#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038
- +#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040
- +#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044
- +#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048
- +#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050
- +#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054
- +#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058
- +#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060
- +#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064
- +#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068
- +#define GLOBAL_HASH_TABLE_BASE_REG 0x006C
- +#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070
- +
- +/*
- + * GMAC 0/1 DMA/TOE register
- + * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000)
- + * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000)
- + * Base 0x60008000 or 0x6000C000
- + */
- +#define GMAC_DMA_CTRL_REG 0x0000
- +#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004
- +#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008
- +#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C
- +#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010
- +#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014
- +#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018
- +#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C
- +#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020
- +#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024
- +#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028
- +#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C
- +#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030
- +#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038
- +#define GMAC_DMA_TX_CURR_DESC_REG 0x003C
- +#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040
- +#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044
- +#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048
- +#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C
- +#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050
- +#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054
- +#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058
- +#define GMAC_DMA_RX_CURR_DESC_REG 0x005C
- +#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060
- +#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064
- +#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068
- +#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C
- +#define GMAC_HASH_ENGINE_REG0 0x0070
- +#define GMAC_HASH_ENGINE_REG1 0x0074
- +/* matching rule 0 Control register 0 */
- +#define GMAC_MR0CR0 0x0078
- +#define GMAC_MR0CR1 0x007C
- +#define GMAC_MR0CR2 0x0080
- +#define GMAC_MR1CR0 0x0084
- +#define GMAC_MR1CR1 0x0088
- +#define GMAC_MR1CR2 0x008C
- +#define GMAC_MR2CR0 0x0090
- +#define GMAC_MR2CR1 0x0094
- +#define GMAC_MR2CR2 0x0098
- +#define GMAC_MR3CR0 0x009C
- +#define GMAC_MR3CR1 0x00A0
- +#define GMAC_MR3CR2 0x00A4
- +/* Support Protocol Regsister 0 */
- +#define GMAC_SPR0 0x00A8
- +#define GMAC_SPR1 0x00AC
- +#define GMAC_SPR2 0x00B0
- +#define GMAC_SPR3 0x00B4
- +#define GMAC_SPR4 0x00B8
- +#define GMAC_SPR5 0x00BC
- +#define GMAC_SPR6 0x00C0
- +#define GMAC_SPR7 0x00C4
- +/* GMAC Hash/Rx/Tx AHB Weighting register */
- +#define GMAC_AHB_WEIGHT_REG 0x00C8
- +
- +/*
- + * TOE GMAC 0/1 register
- + * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000)
- + * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000)
- + * Base 0x6000A000 or 0x6000E000
- + */
- +enum GMAC_REGISTER {
- + GMAC_STA_ADD0 = 0x0000,
- + GMAC_STA_ADD1 = 0x0004,
- + GMAC_STA_ADD2 = 0x0008,
- + GMAC_RX_FLTR = 0x000c,
- + GMAC_MCAST_FIL0 = 0x0010,
- + GMAC_MCAST_FIL1 = 0x0014,
- + GMAC_CONFIG0 = 0x0018,
- + GMAC_CONFIG1 = 0x001c,
- + GMAC_CONFIG2 = 0x0020,
- + GMAC_CONFIG3 = 0x0024,
- + GMAC_RESERVED = 0x0028,
- + GMAC_STATUS = 0x002c,
- + GMAC_IN_DISCARDS= 0x0030,
- + GMAC_IN_ERRORS = 0x0034,
- + GMAC_IN_MCAST = 0x0038,
- + GMAC_IN_BCAST = 0x003c,
- + GMAC_IN_MAC1 = 0x0040, /* for STA 1 MAC Address */
- + GMAC_IN_MAC2 = 0x0044 /* for STA 2 MAC Address */
- +};
- +
- +/*
- + * DMA Queues description Ring Base Address/Size Register (offset 0x0004)
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int base_size;
- +} DMA_Q_BASE_SIZE_T;
- +#define DMA_Q_BASE_MASK (~0x0f)
- +
- +/*
- + * DMA SKB Buffer register (offset 0x0008)
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_0008 {
- + unsigned int sw_skb_size : 16; /* SW Free poll SKB Size */
- + unsigned int hw_skb_size : 16; /* HW Free poll SKB Size */
- + } bits;
- +} DMA_SKB_SIZE_T;
- +
- +/*
- + * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C)
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_000c {
- + unsigned int rptr : 16; /* Read Ptr, RO */
- + unsigned int wptr : 16; /* Write Ptr, RW */
- + } bits;
- +} DMA_RWPTR_T;
- +
- +/*
- + * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010)
- + * see DMA_RWPTR_T structure
- + */
- +
- +/*
- + * Interrupt Status Register 0 (offset 0x0020)
- + * Interrupt Mask Register 0 (offset 0x0024)
- + * Interrupt Select Register 0 (offset 0x0028)
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_0020 {
- + /* GMAC0 SW Tx Queue 0 EOF Interrupt */
- + unsigned int swtq00_eof : 1;
- + unsigned int swtq01_eof : 1;
- + unsigned int swtq02_eof : 1;
- + unsigned int swtq03_eof : 1;
- + unsigned int swtq04_eof : 1;
- + unsigned int swtq05_eof : 1;
- + /* GMAC1 SW Tx Queue 0 EOF Interrupt */
- + unsigned int swtq10_eof : 1;
- + unsigned int swtq11_eof : 1;
- + unsigned int swtq12_eof : 1;
- + unsigned int swtq13_eof : 1;
- + unsigned int swtq14_eof : 1;
- + unsigned int swtq15_eof : 1;
- + /* GMAC0 SW Tx Queue 0 Finish Interrupt */
- + unsigned int swtq00_fin : 1;
- + unsigned int swtq01_fin : 1;
- + unsigned int swtq02_fin : 1;
- + unsigned int swtq03_fin : 1;
- + unsigned int swtq04_fin : 1;
- + unsigned int swtq05_fin : 1;
- + /* GMAC1 SW Tx Queue 0 Finish Interrupt */
- + unsigned int swtq10_fin : 1;
- + unsigned int swtq11_fin : 1;
- + unsigned int swtq12_fin : 1;
- + unsigned int swtq13_fin : 1;
- + unsigned int swtq14_fin : 1;
- + unsigned int swtq15_fin : 1;
- + /* GMAC0 Rx Descriptor Protocol Error */
- + unsigned int rxPerr0 : 1;
- + /* GMAC0 AHB Bus Error while Rx */
- + unsigned int rxDerr0 : 1;
- + /* GMAC1 Rx Descriptor Protocol Error */
- + unsigned int rxPerr1 : 1;
- + /* GMAC1 AHB Bus Error while Rx */
- + unsigned int rxDerr1 : 1;
- + /* GMAC0 Tx Descriptor Protocol Error */
- + unsigned int txPerr0 : 1;
- + /* GMAC0 AHB Bus Error while Tx */
- + unsigned int txDerr0 : 1;
- + /* GMAC1 Tx Descriptor Protocol Error */
- + unsigned int txPerr1 : 1;
- + /* GMAC1 AHB Bus Error while Tx */
- + unsigned int txDerr1 : 1;
- + } bits;
- +} INTR_REG0_T;
- +
- +#define GMAC1_TXDERR_INT_BIT BIT(31)
- +#define GMAC1_TXPERR_INT_BIT BIT(30)
- +#define GMAC0_TXDERR_INT_BIT BIT(29)
- +#define GMAC0_TXPERR_INT_BIT BIT(28)
- +#define GMAC1_RXDERR_INT_BIT BIT(27)
- +#define GMAC1_RXPERR_INT_BIT BIT(26)
- +#define GMAC0_RXDERR_INT_BIT BIT(25)
- +#define GMAC0_RXPERR_INT_BIT BIT(24)
- +#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23)
- +#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22)
- +#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21)
- +#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20)
- +#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19)
- +#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18)
- +#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17)
- +#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16)
- +#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15)
- +#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14)
- +#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13)
- +#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12)
- +#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11)
- +#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10)
- +#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9)
- +#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8)
- +#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7)
- +#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6)
- +#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5)
- +#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4)
- +#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3)
- +#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2)
- +#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1)
- +#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0)
- +
- +/*
- + * Interrupt Status Register 1 (offset 0x0030)
- + * Interrupt Mask Register 1 (offset 0x0034)
- + * Interrupt Select Register 1 (offset 0x0038)
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_0030 {
- + unsigned int default_q0_eof : 1; /* Default Queue 0 EOF Interrupt */
- + unsigned int default_q1_eof : 1; /* Default Queue 1 EOF Interrupt */
- + unsigned int class_rx : 14; /* Classification Queue Rx Interrupt */
- + unsigned int hwtq00_eof : 1; /* GMAC0 HW Tx Queue0 EOF Interrupt */
- + unsigned int hwtq01_eof : 1; /* GMAC0 HW Tx Queue1 EOF Interrupt */
- + unsigned int hwtq02_eof : 1; /* GMAC0 HW Tx Queue2 EOF Interrupt */
- + unsigned int hwtq03_eof : 1; /* GMAC0 HW Tx Queue3 EOF Interrupt */
- + unsigned int hwtq10_eof : 1; /* GMAC1 HW Tx Queue0 EOF Interrupt */
- + unsigned int hwtq11_eof : 1; /* GMAC1 HW Tx Queue1 EOF Interrupt */
- + unsigned int hwtq12_eof : 1; /* GMAC1 HW Tx Queue2 EOF Interrupt */
- + unsigned int hwtq13_eof : 1; /* GMAC1 HW Tx Queue3 EOF Interrupt */
- + unsigned int toe_iq0_intr : 1; /* TOE Interrupt Queue 0 with Interrupts */
- + unsigned int toe_iq1_intr : 1; /* TOE Interrupt Queue 1 with Interrupts */
- + unsigned int toe_iq2_intr : 1; /* TOE Interrupt Queue 2 with Interrupts */
- + unsigned int toe_iq3_intr : 1; /* TOE Interrupt Queue 3 with Interrupts */
- + unsigned int toe_iq0_full : 1; /* TOE Interrupt Queue 0 Full Interrupt */
- + unsigned int toe_iq1_full : 1; /* TOE Interrupt Queue 1 Full Interrupt */
- + unsigned int toe_iq2_full : 1; /* TOE Interrupt Queue 2 Full Interrupt */
- + unsigned int toe_iq3_full : 1; /* TOE Interrupt Queue 3 Full Interrupt */
- + } bits;
- +} INTR_REG1_T;
- +
- +#define TOE_IQ3_FULL_INT_BIT BIT(31)
- +#define TOE_IQ2_FULL_INT_BIT BIT(30)
- +#define TOE_IQ1_FULL_INT_BIT BIT(29)
- +#define TOE_IQ0_FULL_INT_BIT BIT(28)
- +#define TOE_IQ3_INT_BIT BIT(27)
- +#define TOE_IQ2_INT_BIT BIT(26)
- +#define TOE_IQ1_INT_BIT BIT(25)
- +#define TOE_IQ0_INT_BIT BIT(24)
- +#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23)
- +#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22)
- +#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21)
- +#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20)
- +#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19)
- +#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18)
- +#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17)
- +#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16)
- +#define CLASS_RX_INT_BIT(x) BIT((x + 2))
- +#define DEFAULT_Q1_INT_BIT BIT(1)
- +#define DEFAULT_Q0_INT_BIT BIT(0)
- +
- +#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \
- + TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT)
- +#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \
- + TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT)
- +#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS)
- +#define TOE_CLASS_RX_INT_BITS 0xfffc
- +
- +/*
- + * Interrupt Status Register 2 (offset 0x0040)
- + * Interrupt Mask Register 2 (offset 0x0044)
- + * Interrupt Select Register 2 (offset 0x0048)
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_0040 {
- + unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt
- + unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt
- + unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt
- + unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt
- + unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt
- + unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt
- + unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt
- + unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt
- + unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt
- + unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt
- + unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt
- + unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt
- + unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt
- + unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt
- + unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt
- + unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt
- + unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt
- + unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt
- + unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt
- + unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt
- + unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt
- + unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt
- + unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt
- + unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt
- + unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt
- + unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt
- + unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt
- + unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt
- + unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt
- + unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt
- + unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt
- + unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt
- + } bits;
- +} INTR_REG2_T;
- +
- +#define TOE_QL_FULL_INT_BIT(x) BIT(x)
- +
- +/*
- + * Interrupt Status Register 3 (offset 0x0050)
- + * Interrupt Mask Register 3 (offset 0x0054)
- + * Interrupt Select Register 3 (offset 0x0058)
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_0050 {
- + unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt
- + unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt
- + unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt
- + unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt
- + unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt
- + unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt
- + unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt
- + unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt
- + unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt
- + unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt
- + unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt
- + unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt
- + unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt
- + unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt
- + unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt
- + unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt
- + unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt
- + unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt
- + unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt
- + unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt
- + unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt
- + unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt
- + unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt
- + unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt
- + unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt
- + unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt
- + unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt
- + unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt
- + unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt
- + unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt
- + unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt
- + unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt
- + } bits;
- +} INTR_REG3_T;
- +
- +#define TOE_QH_FULL_INT_BIT(x) BIT(x-32)
- +
- +/*
- + * Interrupt Status Register 4 (offset 0x0060)
- + * Interrupt Mask Register 4 (offset 0x0064)
- + * Interrupt Select Register 4 (offset 0x0068)
- + */
- +typedef union {
- + unsigned char byte;
- + struct bit_0060 {
- + unsigned char status_changed : 1; // Status Changed Intr for RGMII Mode
- + unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt
- + unsigned char tx_pause_off : 1; // received pause off frame interrupt
- + unsigned char rx_pause_off : 1; // received pause off frame interrupt
- + unsigned char tx_pause_on : 1; // transmit pause on frame interrupt
- + unsigned char rx_pause_on : 1; // received pause on frame interrupt
- + unsigned char cnt_full : 1; // MIB counters half full interrupt
- + unsigned char reserved : 1; //
- + } _PACKED_ bits;
- +} _PACKED_ GMAC_INTR_T;
- +
- +typedef union {
- + unsigned int bits32;
- + struct bit_0060_2 {
- + unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr.
- + unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr.
- + unsigned int class_qf_int : 14; // bit 15:2 Classification Rx Queue13-0 Full Intr.
- + GMAC_INTR_T gmac0;
- + GMAC_INTR_T gmac1;
- + } bits;
- +} INTR_REG4_T;
- +
- +#define GMAC1_RESERVED_INT_BIT BIT(31)
- +#define GMAC1_MIB_INT_BIT BIT(30)
- +#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29)
- +#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28)
- +#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27)
- +#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26)
- +#define GMAC1_RX_OVERRUN_INT_BIT BIT(25)
- +#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24)
- +#define GMAC0_RESERVED_INT_BIT BIT(23)
- +#define GMAC0_MIB_INT_BIT BIT(22)
- +#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21)
- +#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20)
- +#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19)
- +#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18)
- +#define GMAC0_RX_OVERRUN_INT_BIT BIT(17)
- +#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16)
- +#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2))
- +#define HWFQ_EMPTY_INT_BIT BIT(1)
- +#define SWFQ_EMPTY_INT_BIT BIT(0)
- +
- +#if 1
- +#define GMAC0_INT_BITS (GMAC0_MIB_INT_BIT)
- +#define GMAC1_INT_BITS (GMAC1_MIB_INT_BIT)
- +#else
- +#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \
- + GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \
- + GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \
- + GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT)
- +#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \
- + GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \
- + GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \
- + GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT)
- +#endif
- +
- +#define CLASS_RX_FULL_INT_BITS 0xfffc
- +
- +/*
- + * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070)
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_0070_2 {
- + unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold
- + unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold
- + unsigned int intrq : 8; // 23:16
- + unsigned int toe_class : 8; // 31:24
- + } bits;
- +} QUEUE_THRESHOLD_T;
- +
- +
- +/*
- + * GMAC DMA Control Register
- + * GMAC0 offset 0x8000
- + * GMAC1 offset 0xC000
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8000 {
- + unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width
- + unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request
- + unsigned int td_prot : 4; // bit 7:4 TxDMA protection control
- + unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width
- + unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request
- + unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control
- + unsigned int rd_insert_bytes : 2; // bit 17:16
- + unsigned int reserved : 10; // bit 27:18
- + unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept
- + unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA
- + unsigned int td_enable : 1; // bit 30 Tx DMA Enable
- + unsigned int rd_enable : 1; // bit 31 Rx DMA Enable
- + } bits;
- +} GMAC_DMA_CTRL_T;
- +
- +/*
- + * GMAC Tx Weighting Control Register 0
- + * GMAC0 offset 0x8004
- + * GMAC1 offset 0xC004
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8004 {
- + unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3
- + unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2
- + unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1
- + unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0
- + unsigned int reserved : 8; // bit 31:24
- + } bits;
- +} GMAC_TX_WCR0_T; /* Weighting Control Register 0 */
- +
- +/*
- + * GMAC Tx Weighting Control Register 1
- + * GMAC0 offset 0x8008
- + * GMAC1 offset 0xC008
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8008 {
- + unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0
- + unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1
- + unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2
- + unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3
- + unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4
- + unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5
- + unsigned int reserved : 2; // bit 31:30
- + } bits;
- +} GMAC_TX_WCR1_T; /* Weighting Control Register 1 */
- +
- +/*
- + * Queue Read/Write Pointer
- + * GMAC SW TX Queue 0~5 Read/Write Pointer register
- + * GMAC0 offset 0x800C ~ 0x8020
- + * GMAC1 offset 0xC00C ~ 0xC020
- + * GMAC HW TX Queue 0~3 Read/Write Pointer register
- + * GMAC0 offset 0x8024 ~ 0x8030
- + * GMAC1 offset 0xC024 ~ 0xC030
- + *
- + * see DMA_RWPTR_T structure
- + */
- +
- +/*
- + * GMAC DMA Tx First Description Address Register
- + * GMAC0 offset 0x8038
- + * GMAC1 offset 0xC038
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8038 {
- + unsigned int reserved : 3;
- + unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle
- + unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address
- + } bits;
- +} GMAC_TXDMA_FIRST_DESC_T;
- +
- +/*
- + * GMAC DMA Tx Current Description Address Register
- + * GMAC0 offset 0x803C
- + * GMAC1 offset 0xC03C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_803C {
- + unsigned int reserved : 4;
- + unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address
- + } bits;
- +} GMAC_TXDMA_CURR_DESC_T;
- +
- +/*
- + * GMAC DMA Tx Description Word 0 Register
- + * GMAC0 offset 0x8040
- + * GMAC1 offset 0xC040
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8040 {
- + unsigned int buffer_size : 16; // bit 15:0 Transfer size
- + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
- + unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed
- + unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits
- + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
- + unsigned int derr : 1; // bit 30 data error during processing this descriptor
- + unsigned int reserved : 1; // bit 31
- + } bits;
- +} GMAC_TXDESC_0_T;
- +
- +/*
- + * GMAC DMA Tx Description Word 1 Register
- + * GMAC0 offset 0x8044
- + * GMAC1 offset 0xC044
- + */
- +typedef union {
- + unsigned int bits32;
- + struct txdesc_word1 {
- + unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count
- + unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting
- + unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable
- + unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable
- + unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable
- + unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable
- + unsigned int bypass_tss : 1; // bit 21
- + unsigned int ip_fixed_len : 1; // bit 22
- + unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved
- + } bits;
- +} GMAC_TXDESC_1_T;
- +
- +#define TSS_IP_FIXED_LEN_BIT BIT(22)
- +#define TSS_UDP_CHKSUM_BIT BIT(20)
- +#define TSS_TCP_CHKSUM_BIT BIT(19)
- +#define TSS_IPV6_ENABLE_BIT BIT(18)
- +#define TSS_IP_CHKSUM_BIT BIT(17)
- +#define TSS_MTU_ENABLE_BIT BIT(16)
- +
- +/*
- + * GMAC DMA Tx Description Word 2 Register
- + * GMAC0 offset 0x8048
- + * GMAC1 offset 0xC048
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int buf_adr;
- +} GMAC_TXDESC_2_T;
- +
- +/*
- + * GMAC DMA Tx Description Word 3 Register
- + * GMAC0 offset 0x804C
- + * GMAC1 offset 0xC04C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct txdesc_word3 {
- + unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count
- + unsigned int reserved : 18; // bit 28:11
- + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
- + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
- + } bits;
- +} GMAC_TXDESC_3_T;
- +#define SOF_EOF_BIT_MASK 0x3fffffff
- +#define SOF_BIT 0x80000000
- +#define EOF_BIT 0x40000000
- +#define EOFIE_BIT BIT(29)
- +#define MTU_SIZE_BIT_MASK 0x7ff
- +
- +/*
- + * GMAC Tx Descriptor
- + */
- +typedef struct {
- + GMAC_TXDESC_0_T word0;
- + GMAC_TXDESC_1_T word1;
- + GMAC_TXDESC_2_T word2;
- + GMAC_TXDESC_3_T word3;
- +} GMAC_TXDESC_T;
- +
- +/*
- + * GMAC DMA Rx First Description Address Register
- + * GMAC0 offset 0x8058
- + * GMAC1 offset 0xC058
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8058 {
- + unsigned int reserved : 3; // bit 2:0
- + unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle
- + unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address
- + } bits;
- +} GMAC_RXDMA_FIRST_DESC_T;
- +
- +/*
- + * GMAC DMA Rx Current Description Address Register
- + * GMAC0 offset 0x805C
- + * GMAC1 offset 0xC05C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_805C {
- + unsigned int reserved : 4; // bit 3:0
- + unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address
- + } bits;
- +} GMAC_RXDMA_CURR_DESC_T;
- +
- +/*
- + * GMAC DMA Rx Description Word 0 Register
- + * GMAC0 offset 0x8060
- + * GMAC1 offset 0xC060
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8060 {
- + unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame
- + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
- + unsigned int status : 4; // bit 24:22 Status of rx frame
- + unsigned int chksum_status : 3; // bit 28:26 Check Sum Status
- + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
- + unsigned int derr : 1; // bit 30 data error during processing this descriptor
- + unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue
- + } bits;
- +} GMAC_RXDESC_0_T;
- +
- +#define GMAC_RXDESC_0_T_derr BIT(30)
- +#define GMAC_RXDESC_0_T_perr BIT(29)
- +#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26))
- +#define GMAC_RXDESC_0_T_status(x) BIT((x+22))
- +#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16))
- +
- +#define RX_CHKSUM_IP_UDP_TCP_OK 0
- +#define RX_CHKSUM_IP_OK_ONLY 1
- +#define RX_CHKSUM_NONE 2
- +#define RX_CHKSUM_IP_ERR_UNKNOWN 4
- +#define RX_CHKSUM_IP_ERR 5
- +#define RX_CHKSUM_TCP_UDP_ERR 6
- +#define RX_CHKSUM_NUM 8
- +
- +#define RX_STATUS_GOOD_FRAME 0
- +#define RX_STATUS_TOO_LONG_GOOD_CRC 1
- +#define RX_STATUS_RUNT_FRAME 2
- +#define RX_STATUS_SFD_NOT_FOUND 3
- +#define RX_STATUS_CRC_ERROR 4
- +#define RX_STATUS_TOO_LONG_BAD_CRC 5
- +#define RX_STATUS_ALIGNMENT_ERROR 6
- +#define RX_STATUS_TOO_LONG_BAD_ALIGN 7
- +#define RX_STATUS_RX_ERR 8
- +#define RX_STATUS_DA_FILTERED 9
- +#define RX_STATUS_BUFFER_FULL 10
- +#define RX_STATUS_NUM 16
- +
- +
- +/*
- + * GMAC DMA Rx Description Word 1 Register
- + * GMAC0 offset 0x8064
- + * GMAC1 offset 0xC064
- + */
- +typedef union {
- + unsigned int bits32;
- + struct rxdesc_word1 {
- + unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count
- + unsigned int sw_id : 16; // bit 31:16 Software ID
- + } bits;
- +} GMAC_RXDESC_1_T;
- +
- +/*
- + * GMAC DMA Rx Description Word 2 Register
- + * GMAC0 offset 0x8068
- + * GMAC1 offset 0xC068
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int buf_adr;
- +} GMAC_RXDESC_2_T;
- +
- +#define RX_INSERT_NONE 0
- +#define RX_INSERT_1_BYTE 1
- +#define RX_INSERT_2_BYTE 2
- +#define RX_INSERT_3_BYTE 3
- +
- +#define RX_INSERT_BYTES RX_INSERT_2_BYTE
- +/*
- + * GMAC DMA Rx Description Word 3 Register
- + * GMAC0 offset 0x806C
- + * GMAC1 offset 0xC06C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct rxdesc_word3 {
- + unsigned int l3_offset : 8; // bit 7: 0 L3 data offset
- + unsigned int l4_offset : 8; // bit 15: 8 L4 data offset
- + unsigned int l7_offset : 8; // bit 23: 16 L7 data offset
- + unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected
- + unsigned int abnormal : 1; // bit 25 abnormal case found
- + unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header
- + unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet
- + unsigned int ctrl_flag : 1; // bit 28 Control Flag is present
- + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
- + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
- + } bits;
- +} GMAC_RXDESC_3_T;
- +
- +/*
- + * GMAC Rx Descriptor
- + */
- +typedef struct {
- + GMAC_RXDESC_0_T word0;
- + GMAC_RXDESC_1_T word1;
- + GMAC_RXDESC_2_T word2;
- + GMAC_RXDESC_3_T word3;
- +} GMAC_RXDESC_T;
- +
- +/*
- + * GMAC Hash Engine Enable/Action Register 0 Offset Register
- + * GMAC0 offset 0x8070
- + * GMAC1 offset 0xC070
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8070 {
- + unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size
- + unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset
- + unsigned int reserved0 : 4; // bit 14:11
- + unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0
- + unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size
- + unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset
- + unsigned int timing : 3; // bit 29:27
- + unsigned int reserved1 : 1; // bit 30
- + unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1
- + } bits;
- +} GMAC_HASH_ENABLE_REG0_T;
- +
- +/*
- + * GMAC Hash Engine Enable/Action Register 1 Offset Register
- + * GMAC0 offset 0x8074
- + * GMAC1 offset 0xC074
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8074 {
- + unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size
- + unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset
- + unsigned int reserved2 : 4; // bit 14:11
- + unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2
- + unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size
- + unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset
- + unsigned int reserved1 : 4; // bit 30:27
- + unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3
- + } bits;
- +} GMAC_HASH_ENABLE_REG1_T;
- +
- +/*
- + * GMAC Matching Rule Control Register 0
- + * GMAC0 offset 0x8078
- + * GMAC1 offset 0xC078
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8078 {
- + unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0
- + unsigned int reserved2 : 4; // bit 11:8
- + unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class
- + unsigned int flow_lable : 1; // bit 13 IPV6 Flow label
- + unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length
- + unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6
- + unsigned int reserved1 : 3; // bit 18:16
- + unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable
- + unsigned int vlan : 1; // bit 20 VLAN ID enable
- + unsigned int ether_type : 1; // bit 21 Ethernet type enable
- + unsigned int sa : 1; // bit 22 MAC SA enable
- + unsigned int da : 1; // bit 23 MAC DA enable
- + unsigned int priority : 3; // bit 26:24 priority if multi-rules matched
- + unsigned int port : 1; // bit 27 PORT ID matching enable
- + unsigned int l7 : 1; // bit 28 L7 matching enable
- + unsigned int l4 : 1; // bit 29 L4 matching enable
- + unsigned int l3 : 1; // bit 30 L3 matching enable
- + unsigned int l2 : 1; // bit 31 L2 matching enable
- + } bits;
- +} GMAC_MRxCR0_T;
- +
- +#define MR_L2_BIT BIT(31)
- +#define MR_L3_BIT BIT(30)
- +#define MR_L4_BIT BIT(29)
- +#define MR_L7_BIT BIT(28)
- +#define MR_PORT_BIT BIT(27)
- +#define MR_PRIORITY_BIT BIT(26)
- +#define MR_DA_BIT BIT(23)
- +#define MR_SA_BIT BIT(22)
- +#define MR_ETHER_TYPE_BIT BIT(21)
- +#define MR_VLAN_BIT BIT(20)
- +#define MR_PPPOE_BIT BIT(19)
- +#define MR_IP_VER_BIT BIT(15)
- +#define MR_IP_HDR_LEN_BIT BIT(14)
- +#define MR_FLOW_LABLE_BIT BIT(13)
- +#define MR_TOS_TRAFFIC_BIT BIT(12)
- +#define MR_SPR_BIT(x) BIT(x)
- +#define MR_SPR_BITS 0xff
- +
- +/*
- + * GMAC Matching Rule Control Register 1
- + * GMAC0 offset 0x807C
- + * GMAC1 offset 0xC07C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_807C {
- + unsigned int l4_byte0_15 : 16; // bit 15: 0
- + unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits
- + unsigned int dip : 1; // bit 23 Dest IP
- + unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits
- + unsigned int sip : 1; // bit 31 Srce IP
- + } bits;
- +} GMAC_MRxCR1_T;
- +
- +/*
- + * GMAC Matching Rule Control Register 2
- + * GMAC0 offset 0x8080
- + * GMAC1 offset 0xC080
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_8080 {
- + unsigned int l7_byte0_23 : 24; // bit 23:0
- + unsigned int l4_byte16_24 : 8; // bit 31: 24
- + } bits;
- +} GMAC_MRxCR2_T;
- +
- +/*
- + * GMAC Support registers
- + * GMAC0 offset 0x80A8
- + * GMAC1 offset 0xC0A8
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_80A8 {
- + unsigned int protocol : 8; // bit 7:0 Supported protocol
- + unsigned int swap : 3; // bit 10:8 Swap
- + unsigned int reserved : 21; // bit 31:11
- + } bits;
- +} GMAC_SPR_T;
- +
- +/*
- + * GMAC_AHB_WEIGHT registers
- + * GMAC0 offset 0x80C8
- + * GMAC1 offset 0xC0C8
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_80C8 {
- + unsigned int hash_weight : 5; // 4:0
- + unsigned int rx_weight : 5; // 9:5
- + unsigned int tx_weight : 5; // 14:10
- + unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold
- + unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold
- + unsigned int reserved : 7; // 31:25
- + } bits;
- +} GMAC_AHB_WEIGHT_T;
- +
- +/*
- + * the register structure of GMAC
- + */
- +
- +/*
- + * GMAC RX FLTR
- + * GMAC0 Offset 0xA00C
- + * GMAC1 Offset 0xE00C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit1_000c {
- + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */
- + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */
- + unsigned int broadcast : 1; /* enable receive of broadcast frames */
- + unsigned int promiscuous : 1; /* enable receive of all frames */
- + unsigned int error : 1; /* enable receive of all error frames */
- + unsigned int : 27;
- + } bits;
- +} GMAC_RX_FLTR_T;
- +
- +/*
- + * GMAC Configuration 0
- + * GMAC0 Offset 0xA018
- + * GMAC1 Offset 0xE018
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit1_0018 {
- + unsigned int dis_tx : 1; /* 0: disable transmit */
- + unsigned int dis_rx : 1; /* 1: disable receive */
- + unsigned int loop_back : 1; /* 2: transmit data loopback enable */
- + unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */
- + unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */
- + unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */
- + unsigned int dis_bkoff : 1; /* 11: disable back-off function */
- + unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */
- + unsigned int sim_test : 1; /* 13: speed up timers in simulation */
- + unsigned int rx_fc_en : 1; /* 14: RX flow control enable */
- + unsigned int tx_fc_en : 1; /* 15: TX flow control enable */
- + unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */
- + unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */
- + unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */
- + unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */
- + unsigned int rgmm_edge : 1; // 20
- + unsigned int rxc_inv : 1; // 21
- + unsigned int ipv6_exthdr_order : 1; // 22
- + unsigned int rx_err_detect : 1; // 23
- + unsigned int port0_chk_hwq : 1; // 24
- + unsigned int port1_chk_hwq : 1; // 25
- + unsigned int port0_chk_toeq : 1; // 26
- + unsigned int port1_chk_toeq : 1; // 27
- + unsigned int port0_chk_classq : 1; // 28
- + unsigned int port1_chk_classq : 1; // 29
- + unsigned int reserved : 2; // 31
- + } bits;
- +} GMAC_CONFIG0_T;
- +
- +/*
- + * GMAC Configuration 1
- + * GMAC0 Offset 0xA01C
- + * GMAC1 Offset 0xE01C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit1_001c {
- + unsigned int set_threshold : 8; /* flow control set threshold */
- + unsigned int rel_threshold : 8; /* flow control release threshold */
- + unsigned int reserved : 16;
- + } bits;
- +} GMAC_CONFIG1_T;
- +
- +#define GMAC_FLOWCTRL_SET_MAX 32
- +#define GMAC_FLOWCTRL_SET_MIN 0
- +#define GMAC_FLOWCTRL_RELEASE_MAX 32
- +#define GMAC_FLOWCTRL_RELEASE_MIN 0
- +
- +/*
- + * GMAC Configuration 2
- + * GMAC0 Offset 0xA020
- + * GMAC1 Offset 0xE020
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit1_0020 {
- + unsigned int set_threshold : 16; /* flow control set threshold */
- + unsigned int rel_threshold : 16; /* flow control release threshold */
- + } bits;
- +} GMAC_CONFIG2_T;
- +
- +/*
- + * GMAC Configuration 3
- + * GMAC0 Offset 0xA024
- + * GMAC1 Offset 0xE024
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit1_0024 {
- + unsigned int set_threshold : 16; /* flow control set threshold */
- + unsigned int rel_threshold : 16; /* flow control release threshold */
- + } bits;
- +} GMAC_CONFIG3_T;
- +
- +
- +/*
- + * GMAC STATUS
- + * GMAC0 Offset 0xA02C
- + * GMAC1 Offset 0xE02C
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit1_002c {
- + unsigned int link : 1; /* link status */
- + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */
- + unsigned int duplex : 1; /* duplex mode */
- + unsigned int reserved : 1;
- + unsigned int mii_rmii : 2; /* PHY interface type */
- + unsigned int : 25;
- + } bits;
- +} GMAC_STATUS_T;
- +
- +#define GMAC_SPEED_10 0
- +#define GMAC_SPEED_100 1
- +#define GMAC_SPEED_1000 2
- +
- +#define GMAC_PHY_MII 0
- +#define GMAC_PHY_GMII 1
- +#define GMAC_PHY_RGMII_100_10 2
- +#define GMAC_PHY_RGMII_1000 3
- +
- +/*
- + * Queue Header
- + * (1) TOE Queue Header
- + * (2) Non-TOE Queue Header
- + * (3) Interrupt Queue Header
- + *
- + * memory Layout
- + * TOE Queue Header
- + * 0x60003000 +---------------------------+ 0x0000
- + * | TOE Queue 0 Header |
- + * | 8 * 4 Bytes |
- + * +---------------------------+ 0x0020
- + * | TOE Queue 1 Header |
- + * | 8 * 4 Bytes |
- + * +---------------------------+ 0x0040
- + * | ...... |
- + * | |
- + * +---------------------------+
- + *
- + * Non TOE Queue Header
- + * 0x60002000 +---------------------------+ 0x0000
- + * | Default Queue 0 Header |
- + * | 2 * 4 Bytes |
- + * +---------------------------+ 0x0008
- + * | Default Queue 1 Header |
- + * | 2 * 4 Bytes |
- + * +---------------------------+ 0x0010
- + * | Classification Queue 0 |
- + * | 2 * 4 Bytes |
- + * +---------------------------+
- + * | Classification Queue 1 |
- + * | 2 * 4 Bytes |
- + * +---------------------------+ (n * 8 + 0x10)
- + * | ... |
- + * | 2 * 4 Bytes |
- + * +---------------------------+ (13 * 8 + 0x10)
- + * | Classification Queue 13 |
- + * | 2 * 4 Bytes |
- + * +---------------------------+ 0x80
- + * | Interrupt Queue 0 |
- + * | 2 * 4 Bytes |
- + * +---------------------------+
- + * | Interrupt Queue 1 |
- + * | 2 * 4 Bytes |
- + * +---------------------------+
- + * | Interrupt Queue 2 |
- + * | 2 * 4 Bytes |
- + * +---------------------------+
- + * | Interrupt Queue 3 |
- + * | 2 * 4 Bytes |
- + * +---------------------------+
- + *
- + */
- +#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32)
- +#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX + 1))
- +#define TOE_DEFAULT_Q_HDR_BASE(x) (TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x))
- +#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10)
- +#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80)
- +#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8)
- +#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX + 1))
- +/*
- + * TOE Queue Header Word 0
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int base_size;
- +} TOE_QHDR0_T;
- +
- +#define TOE_QHDR0_BASE_MASK (~0x0f)
- +
- +/*
- + * TOE Queue Header Word 1
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_qhdr1 {
- + unsigned int rptr : 16; // bit 15:0
- + unsigned int wptr : 16; // bit 31:16
- + } bits;
- +} TOE_QHDR1_T;
- +
- +/*
- + * TOE Queue Header Word 2
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_qhdr2 {
- + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
- + unsigned int reserved : 7; // bit 23:17
- + unsigned int dack : 1; // bit 24 1: Duplicated ACK
- + unsigned int abn : 1; // bit 25 1: Abnormal case Found
- + unsigned int tcp_opt : 1; // bit 26 1: Have TCP option
- + unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header
- + unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
- + unsigned int osq : 1; // bit 29 1: out of sequence
- + unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack)
- + unsigned int usd : 1; // bit 31 0: if no data assembled yet
- + } bits;
- +} TOE_QHDR2_T;
- +
- +/*
- + * TOE Queue Header Word 3
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int seq_num;
- +} TOE_QHDR3_T;
- +
- +/*
- + * TOE Queue Header Word 4
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int ack_num;
- +} TOE_QHDR4_T;
- +
- +/*
- + * TOE Queue Header Word 5
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_qhdr5 {
- + unsigned int AckCnt : 16; // bit 15:0
- + unsigned int SeqCnt : 16; // bit 31:16
- + } bits;
- +} TOE_QHDR5_T;
- +
- +/*
- + * TOE Queue Header Word 6
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_qhdr6 {
- + unsigned int WinSize : 16; // bit 15:0
- + unsigned int iq_num : 2; // bit 17:16
- + unsigned int MaxPktSize : 14; // bit 31:18
- + } bits;
- +} TOE_QHDR6_T;
- +
- +/*
- + * TOE Queue Header Word 7
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_qhdr7 {
- + unsigned int AckThreshold : 16; // bit 15:0
- + unsigned int SeqThreshold : 16; // bit 31:16
- + } bits;
- +} TOE_QHDR7_T;
- +
- +/*
- + * TOE Queue Header
- + */
- +typedef struct {
- + TOE_QHDR0_T word0;
- + TOE_QHDR1_T word1;
- + TOE_QHDR2_T word2;
- + TOE_QHDR3_T word3;
- + TOE_QHDR4_T word4;
- + TOE_QHDR5_T word5;
- + TOE_QHDR6_T word6;
- + TOE_QHDR7_T word7;
- +} TOE_QHDR_T;
- +
- +/*
- + * NONTOE Queue Header Word 0
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int base_size;
- +} NONTOE_QHDR0_T;
- +
- +#define NONTOE_QHDR0_BASE_MASK (~0x0f)
- +
- +/*
- + * NONTOE Queue Header Word 1
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_nonqhdr1 {
- + unsigned int rptr : 16; // bit 15:0
- + unsigned int wptr : 16; // bit 31:16
- + } bits;
- +} NONTOE_QHDR1_T;
- +
- +/*
- + * Non-TOE Queue Header
- + */
- +typedef struct {
- + NONTOE_QHDR0_T word0;
- + NONTOE_QHDR1_T word1;
- +} NONTOE_QHDR_T;
- +
- +/*
- + * Interrupt Queue Header Word 0
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_intrqhdr0 {
- + unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size
- + unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped
- + } bits;
- +} INTR_QHDR0_T;
- +
- +/*
- + * Interrupt Queue Header Word 1
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_intrqhdr1 {
- + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
- + unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID
- + unsigned int dack : 1; // bit 25 1: Duplicated ACK
- + unsigned int abn : 1; // bit 26 1: Abnormal case Found
- + unsigned int tcp_opt : 1; // bit 27 1: Have TCP option
- + unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header
- + unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
- + unsigned int osq : 1; // bit 30 1: out of sequence
- + unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack)
- + } bits;
- +} INTR_QHDR1_T;
- +
- +/*
- + * Interrupt Queue Header Word 2
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int seq_num;
- +} INTR_QHDR2_T;
- +
- +/*
- + * Interrupt Queue Header Word 3
- + */
- +typedef union {
- + unsigned int bits32;
- + unsigned int ack_num;
- +} INTR_QHDR3_T;
- +
- +/*
- + * Interrupt Queue Header Word 4
- + */
- +typedef union {
- + unsigned int bits32;
- + struct bit_intrqhdr4 {
- + unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr.
- + unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr.
- + } bits;
- +} INTR_QHDR4_T;
- +
- +/*
- + * Interrupt Queue Header
- + */
- +typedef struct {
- + INTR_QHDR0_T word0;
- + INTR_QHDR1_T word1;
- + INTR_QHDR2_T word2;
- + INTR_QHDR3_T word3;
- + INTR_QHDR4_T word4;
- + unsigned int word5;
- + unsigned int word6;
- + unsigned int word7;
- +} INTR_QHDR_T;
- +
- +/*
- + * GMAC private data
- + */
- +typedef struct {
- + unsigned int rwptr_reg;
- + unsigned int desc_base;
- + unsigned int desc_base_dma;
- + unsigned short finished_idx;
- + struct sk_buff *tx_skb[TOE_GMAC_SWTXQ_DESC_NUM];
- +} GMAC_SWTXQ_T;
- +
- +struct gmac_private {
- + struct phy_device *phydev;
- + unsigned int port_id;
- + unsigned int dma_base_addr;
- + unsigned int swtxq_desc_base;
- + GMAC_SWTXQ_T swtxq[TOE_SW_TXQ_NUM];
- + NONTOE_QHDR_T *default_qhdr;
- + unsigned int default_desc_base;
- + dma_addr_t default_desc_base_dma;
- + dma_addr_t swtxq_desc_base_dma;
- + unsigned int flow_control_enable;
- + unsigned int intr0_enabled;
- + unsigned int intr1_enabled;
- + unsigned int intr2_enabled;
- + unsigned int intr3_enabled;
- + unsigned int intr4_enabled;
- + unsigned int intr0_selected;
- + unsigned int intr1_selected;
- + unsigned int intr2_selected;
- + unsigned int intr3_selected;
- + unsigned int intr4_selected;
- +};
- +
- +struct toe_private {
- + void __iomem *global_base;
- + struct net_device *net_dev[2];
- + struct device *dev;
- + struct work_struct freq_work;
- + spinlock_t freeq_lock;
- + unsigned int swfq_desc_base;
- + unsigned int hwfq_desc_base;
- + unsigned int hwfq_buf_base;
- + dma_addr_t sw_freeq_desc_base_dma;
- + dma_addr_t hw_freeq_desc_base_dma;
- + dma_addr_t hwfq_buf_base_dma;
- + dma_addr_t hwfq_buf_end_dma;
- +};
- +
- +#define GMAC_PORT0 0
- +#define GMAC_PORT1 1
- +
- +#endif /* _GMAC_SL351x_H */
- --- /dev/null
- +++ b/drivers/net/gemini_negmac/Makefile
- @@ -0,0 +1,3 @@
- +obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC)+= gemini_negmac.o
- +
- +gemini_negmac-objs := gm_gmac.o
- --- a/drivers/net/Kconfig
- +++ b/drivers/net/Kconfig
- @@ -2126,6 +2126,13 @@ config ACENIC_OMIT_TIGON_I
-
- The safe and default value for this is N.
-
- +config GEMINI_NET_ENGINE_GMAC
- + tristate "Gemini Gigabit Ethernet support"
- + depends on ARCH_GEMINI
- + select PHYLIB
- + help
- + This driver supports Gemini TOE and NAT dual Gigabit Ethernet.
- +
- config DL2K
- tristate "DL2000/TC902x-based Gigabit Ethernet support"
- depends on PCI
- --- a/drivers/net/Makefile
- +++ b/drivers/net/Makefile
- @@ -247,6 +247,7 @@ pasemi_mac_driver-objs := pasemi_mac.o p
- obj-$(CONFIG_MLX4_CORE) += mlx4/
- obj-$(CONFIG_ENC28J60) += enc28j60.o
- obj-$(CONFIG_ETHOC) += ethoc.o
- +obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC) += gemini_negmac/
-
- obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
-
- --- /dev/null
- +++ b/drivers/usb/host/ehci-fotg2xx.c
- @@ -0,0 +1,459 @@
- +/*
- + * EHCI Host Controller driver
- + *
- + * Copyright (C) 2006 Sony Computer Entertainment Inc.
- + * Copyright 2006 Sony Corp.
- + *
- + * This program 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; version 2 of the License.
- + */
- +
- +#include <linux/platform_device.h>
- +#include <mach/hardware.h>
- +
- +#define otg_set(port, bits) writel(readl(hcd->regs + port) | bits, hcd->regs + port)
- +
- +#define otg_clear(port, bits) writel(readl(hcd->regs + port) & ~bits, hcd->regs + port)
- +
- +#define GLOBAL_ISR 0xC0
- +#define GLOBAL_ICR 0xC4
- +
- +#define HCD_MISC 0x40
- +
- +#define OTGC_SCR 0x80
- +#define OTGC_INT_EN 0x88
- +
- +#define GLOBAL_INT_POLARITY (1 << 3)
- +#define GLOBAL_INT_MASK_HC (1 << 2)
- +#define GLOBAL_INT_MASK_OTG (1 << 1)
- +#define GLOBAL_INT_MASK_DEV (1 << 0)
- +
- +#define OTGC_SCR_ID (1 << 21)
- +#define OTGC_SCR_CROLE (1 << 20)
- +#define OTGC_SCR_VBUS_VLD (1 << 19)
- +#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8)
- +#define OTGC_SCR_A_SRP_DET_EN (1 << 7)
- +#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6)
- +#define OTGC_SCR_A_BUS_DROP (1 << 5)
- +#define OTGC_SCR_A_BUS_REQ (1 << 4)
- +
- +#define OTGC_INT_APLGRMV (1 << 12)
- +#define OTGC_INT_BPLGRMV (1 << 11)
- +#define OTGC_INT_OVC (1 << 10)
- +#define OTGC_INT_IDCHG (1 << 9)
- +#define OTGC_INT_RLCHG (1 << 8)
- +#define OTGC_INT_AVBUSERR (1 << 5)
- +#define OTGC_INT_ASRPDET (1 << 4)
- +#define OTGC_INT_BSRPDN (1 << 0)
- +
- +#define OTGC_INT_A_TYPE (OTGC_INT_ASRPDET|OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG|OTGC_INT_APLGRMV)
- +#define OTGC_INT_B_TYPE (OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG)
- +
- +static void fotg2xx_otgc_role_change(struct usb_hcd *hcd);
- +
- +static void fotg2xx_otgc_init(struct usb_hcd *hcd)
- +{
- + struct ehci_hcd *ehci = hcd_to_ehci(hcd);
- + unsigned int reg;
- +
- + reg = __raw_readl(hcd->regs + OTGC_SCR);
- + ehci_info(ehci, "role detected: %s, ",
- + (reg & OTGC_SCR_CROLE) ? "Peripheral" : "Host");
- +
- + if (reg & OTGC_SCR_ID)
- + ehci_info(ehci, "B-Device (may be unsupported!)\n");
- + else
- + ehci_info(ehci, "A-Device\n");
- +
- + /* Enable the SRP detect */
- + reg &= ~OTGC_SCR_A_SRP_RESP_TYPE;
- + __raw_writel(reg, hcd->regs + OTGC_SCR);
- +
- + reg = __raw_readl(hcd->regs + OTGC_INT_EN);
- + /* clear INT B: bits AVBUSERR | OVC | RLCHG | IDCHG */
- + reg &= ~OTGC_INT_B_TYPE;
- + /* set INT A: bits ASRPDET | AVBUSERR | OVC | RLCHG | IDCHG | APLGRMV */
- + reg |= OTGC_INT_A_TYPE;
- + __raw_writel(reg, hcd->regs + OTGC_INT_EN);
- +
- + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
- + reg &= ~GLOBAL_INT_MASK_OTG;
- + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
- +
- + /* setup MISC register, fixes timing problems */
- + reg = __raw_readl(hcd->regs + HCD_MISC);
- + reg |= 0xD;
- + __raw_writel(reg, hcd->regs + HCD_MISC);
- +
- + fotg2xx_otgc_role_change(hcd);
- +}
- +
- +static void fotg2xx_otgh_close(struct usb_hcd *hcd)
- +{
- + unsigned int reg;
- +
- + /* <1>.Enable Interrupt Mask */
- + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
- + reg |= GLOBAL_INT_MASK_HC;
- + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
- +
- + /* <2>.Clear the Interrupt status */
- + reg = __raw_readl(hcd->regs + 0x18);
- + reg &= 0x0000003F;
- + __raw_writel(reg, hcd->regs + 0x14);
- +}
- +
- +static void fotg2xx_otgh_open(struct usb_hcd *hcd)
- +{
- + unsigned int reg;
- +
- + reg = __raw_readl(hcd->regs + OTGC_SCR);
- + reg &= ~OTGC_SCR_A_SRP_DET_EN;
- + __raw_writel(reg, hcd->regs + OTGC_SCR);
- +
- + reg = __raw_readl(hcd->regs + GLOBAL_ICR);
- + reg &= ~GLOBAL_INT_MASK_HC;
- + __raw_writel(reg, hcd->regs + GLOBAL_ICR);
- +}
- +
- +/* change to host role */
- +static void fotg2xx_otgc_role_change(struct usb_hcd *hcd)
- +{
- +
- + /* clear A_SET_B_HNP_EN */
- + otg_clear(0x80, BIT(6));
- +
- + /*** Enable VBUS driving */
- + if (readl(hcd->regs + 0x80) & BIT(19))
- + printk(KERN_INFO "VBUS already enabled\n");
- + else {
- + int cnt = 0;
- +
- + /* clear A_BUS_DROP */
- + otg_clear(0x80, BIT(5));
- +
- + /* set A_BUS_REQ */
- + otg_set(0x80, BIT(4));
- +
- + /* set global bus reg to VBUS on */
- + writel(readl(IO_ADDRESS(0x40000000) + 0x30) | ((BIT(21)|BIT(22))),
- + IO_ADDRESS(0x40000000) + 0x30);
- +
- + if (readl(hcd->regs + 0x80) & (1<<19)) {
- + printk(KERN_INFO "Waiting for VBus");
- + while (!(readl(hcd->regs + 0x80) & (1<<19)) && (cnt < 80)) {
- + printk(KERN_CONT ".");
- + cnt++;
- + }
- + printk(KERN_CONT "\n");
- + } else
- + printk(KERN_INFO "VBUS enabled.\n");
- +
- + mdelay(1);
- + }
- + fotg2xx_otgh_open(hcd);
- +}
- +
- +static int fotg2xx_ehci_hc_reset(struct usb_hcd *hcd)
- +{
- + int result;
- + struct ehci_hcd *ehci = hcd_to_ehci(hcd);
- +
- + ehci->caps = hcd->regs;
- + ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
- +
- + dbg_hcs_params(ehci, "reset");
- + dbg_hcc_params(ehci, "reset");
- +
- + ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
- + hcd->has_tt = 1;
- +
- + result = ehci_halt(ehci);
- + if (result)
- + return result;
- +
- + result = ehci_init(hcd);
- + if (result)
- + return result;
- +
- + ehci_port_power(ehci, 0);
- +
- + return result;
- +}
- +
- +/*
- + * Name: OTGC_INT_ISR
- + * Description:This interrupt service routine belongs to the OTG-Controller
- + * <1>.Check for ID_Change
- + * <2>.Check for RL_Change
- + * <3>.Error Detect
- + * Input: wINTStatus
- + * Output:void
- + */
- +void fotg2xx_int_isr(struct usb_hcd *hcd, u32 wINTStatus)
- +{
- + /* <1>.Check for ID_Change */
- + if (wINTStatus&OTGC_INT_IDCHG) {
- + if ((readl(hcd->regs + 0x80) & BIT(21)) != 0)
- + fotg2xx_otgc_init(hcd); /* Change to B Type */
- + else
- + fotg2xx_otgc_init(hcd); /* Change to A Type */
- +
- + return;
- + }
- +
- + /* <2>.Check for RL_Change */
- + if (wINTStatus&OTGC_INT_RLCHG)
- + fotg2xx_otgc_role_change(hcd);
- +
- + /* <3>.Error Detect */
- + if (wINTStatus&OTGC_INT_AVBUSERR)
- + printk(KERN_ERR "VBus error!\n");
- +
- + if (wINTStatus&OTGC_INT_OVC)
- + printk(KERN_WARNING "Overcurrent detected!\n");
- +
- + /* <3>.Check for Type-A/Type-B Interrupt */
- + if ((readl(hcd->regs + 0x80) & BIT(21)) == 0) { /*For Type-A Interrupt*/
- + if (wINTStatus & (OTGC_INT_A_TYPE | OTGC_INT_ASRPDET)) {
- + /* <1>.SRP detected => then set global variable */
- + printk(KERN_WARNING "SRP detected, but not implemented!\n");
- +
- +#if 0
- + u32 wTempCounter;
- + /* <2>.Turn on the V Bus */
- + pFTC_OTG->otg.state = OTG_STATE_A_WAIT_VRISE;
- + OTGC_enable_vbus_draw_storlink(1);
- + pFTC_OTG->otg.state = OTG_STATE_A_HOST;
- + /* <3>.Should waiting for Device-Connect Wait 300ms */
- + INFO(pFTC_OTG, ">>> OTG-A Waiting for OTG-B Connect,\n");
- + wTempCounter = 0;
- + while (mwHost20_PORTSC_ConnectStatus_Rd() == 0) {
- + mdelay(1);
- + wTempCounter++;
- + /* Waiting for 300 ms */
- + if (wTempCounter > 300) {
- + mdwOTGC_Control_A_SRP_DET_EN_Clr();
- + INFO(pFTC_OTG, ">>> OTG-B do not connect under 300 ms...\n");
- + break;
- + }
- + }
- + /* <4>.If Connect => issue quick Reset */
- + if (mwHost20_PORTSC_ConnectStatus_Rd() > 0) {
- + mdelay(300); /* For OPT-A Test */
- + OTGH_host_quick_Reset();
- + OTGH_Open();
- + pFTC_OTG->otg.host->A_Disable_Set_Feature_HNP = 0;
- + }
- +#endif
- + }
- + } else { /* For Type-B Interrupt */
- + BUG();
- + }
- +}
- +
- +static irqreturn_t fotg2xx_ehci_irq(int irq, void *devid)
- +{
- + struct usb_hcd *hcd = devid;
- + u32 val;
- +
- + /* OTG Interrupt Status Register */
- + val = readl(hcd->regs + 0x84);
- +
- + /* OTG stuff */
- + if (val) {
- + /* supposed to do "INT STS Clr" - XXX */
- + writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
- +
- + fotg2xx_int_isr(hcd, val);
- +
- + /* supposed to do "INT STS Clr" - XXX */
- + writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
- +
- + return IRQ_HANDLED;
- + }
- +
- + if ((readl(hcd->regs + 0x80) & BIT(20)) == 0) { /* Role is HOST */
- + if (readl(hcd->regs + 0xC0) & BIT(2)) { /* INT STS HOST */
- + /* leave this for ehci irq handler */
- + return IRQ_NONE;
- + }
- + } else
- + printk(KERN_WARNING
- + "received irq for peripheral - don't know what to do!\n");
- +
- + /* do not call the ehci irq handler */
- + return IRQ_HANDLED;
- +}
- +
- +static int fotg2xx_ehci_run(struct usb_hcd *hcd)
- +{
- + int retval;
- +
- + retval = ehci_run(hcd);
- +
- + fotg2xx_otgh_close(hcd);
- + fotg2xx_otgc_init(hcd);
- +
- + return retval;
- +}
- +
- +static const struct hc_driver fotg2xx_ehci_hc_driver = {
- + .description = hcd_name,
- + .product_desc = "FOTG2XX EHCI Host Controller",
- + .hcd_priv_size = sizeof(struct ehci_hcd),
- + .irq = ehci_irq,
- + .flags = HCD_MEMORY | HCD_USB2,
- + .reset = fotg2xx_ehci_hc_reset,
- + .start = fotg2xx_ehci_run,
- + .stop = ehci_stop,
- + .shutdown = ehci_shutdown,
- + .urb_enqueue = ehci_urb_enqueue,
- + .urb_dequeue = ehci_urb_dequeue,
- + .endpoint_disable = ehci_endpoint_disable,
- + .get_frame_number = ehci_get_frame,
- + .hub_status_data = ehci_hub_status_data,
- + .hub_control = ehci_hub_control,
- +#if defined(CONFIG_PM)
- + .bus_suspend = ehci_bus_suspend,
- + .bus_resume = ehci_bus_resume,
- +#endif
- + .relinquish_port = ehci_relinquish_port,
- + .port_handed_over = ehci_port_handed_over,
- +};
- +
- +static int fotg2xx_ehci_probe(struct platform_device *pdev)
- +{
- + const struct hc_driver *driver = &fotg2xx_ehci_hc_driver;
- + struct usb_hcd *hcd;
- + struct resource *res;
- + int irq;
- + int retval;
- +
- + pr_debug("initializing FOTG2XX-SOC USB Controller\n");
- +
- + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- + if (!res) {
- + dev_err(&pdev->dev,
- + "Found HC with no IRQ. Check %s setup!\n",
- + dev_name(&pdev->dev));
- + return -ENODEV;
- + }
- +
- + irq = res->start;
- +
- + hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
- + if (!hcd) {
- + retval = -ENOMEM;
- + goto err1;
- + }
- +
- + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- + if (!res) {
- + dev_err(&pdev->dev,
- + "Found HC with no register addr. Check %s setup!\n",
- + dev_name(&pdev->dev));
- + retval = -ENODEV;
- + goto err2;
- + }
- +
- + hcd->rsrc_start = res->start;
- + hcd->rsrc_len = res->end - res->start + 1;
- + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
- + driver->description)) {
- + dev_dbg(&pdev->dev, "controller already in use\n");
- + retval = -EBUSY;
- + goto err2;
- + }
- +
- + hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- + if (hcd->regs == NULL) {
- + dev_dbg(&pdev->dev, "error mapping memory\n");
- + retval = -EFAULT;
- + goto err3;
- + }
- +
- +
- + /* set global reg to mini-A host */
- + writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(30)|BIT(29)),
- + IO_ADDRESS(0x40000000) + 0x30);
- +
- + /* USB0&USB1 - VBUS off */
- + writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(21)|BIT(22)),
- + IO_ADDRESS(0x40000000) + 0x30);
- +
- + if ((readl(hcd->regs) == 0x01000010) &&
- + (readl(hcd->regs + 4) == 0x00000001) &&
- + (readl(hcd->regs + 8) == 0x00000006)) {
- + dev_info(&pdev->dev,
- + "Found Faraday OTG 2XX controller (base = 0x%08lX)\n",
- + (unsigned long) hcd->rsrc_start);
- + } else {
- + dev_err(&pdev->dev, "fotg2xx id mismatch: found %d.%d.%d\n",
- + readl(hcd->regs + 0x00),
- + readl(hcd->regs + 0x04),
- + readl(hcd->regs + 0x08));
- + retval = -ENODEV;
- + goto err4;
- + }
- +
- + platform_set_drvdata(pdev, hcd);
- +
- + /* mask interrupts - peripheral, otg, host, hi-active (bits 0,1,2,3) */
- + otg_set(0xc4, BIT(3)); /* hi active */
- +
- + otg_set(0xc4, BIT(2)); /* host */
- + otg_set(0xc4, BIT(1)); /* otg */
- + otg_set(0xc4, BIT(0)); /* peripheral */
- +
- + /* register additional interrupt - here we check otg status */
- + if ((request_irq(irq, &fotg2xx_ehci_irq, IRQF_SHARED | IRQF_DISABLED,
- + hcd->irq_descr, hcd)) != 0) {
- + dev_dbg(&pdev->dev, "error requesting irq %d\n", irq);
- + retval = -EFAULT;
- + goto err4;
- + }
- +
- + retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
- + if (retval != 0)
- + goto err4;
- + return retval;
- +
- +err4:
- + iounmap(hcd->regs);
- +err3:
- + release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
- +err2:
- + usb_put_hcd(hcd);
- +err1:
- + dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
- + return retval;
- +}
- +
- +/* may be called without controller electrically present */
- +/* may be called with controller, bus, and devices active */
- +
- +int fotg2xx_ehci_remove(struct platform_device *pdev)
- +{
- + struct usb_hcd *hcd =
- + (struct usb_hcd *)platform_get_drvdata(pdev);
- +
- + usb_remove_hcd(hcd);
- + release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
- + iounmap(hcd->regs);
- + usb_put_hcd(hcd);
- + platform_set_drvdata(pdev, NULL);
- +
- + return 0;
- +}
- +
- +MODULE_ALIAS("platform:ehci-fotg2xx");
- +
- +static struct platform_driver fotg2xx_ehci_driver = {
- + .probe = fotg2xx_ehci_probe,
- + .remove = fotg2xx_ehci_remove,
- + .driver = {
- + .name = "ehci-fotg2xx",
- + },
- +};
- --- a/drivers/usb/host/ehci.h
- +++ b/drivers/usb/host/ehci.h
- @@ -552,7 +552,12 @@ static inline unsigned int
- ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
- {
- if (ehci_is_TDI(ehci)) {
- +#ifdef CONFIG_ARCH_GEMINI
- + portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
- + switch ((portsc>>22)&3) {
- +#else
- switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
- +#endif
- case 0:
- return 0;
- case 1:
- --- a/drivers/usb/host/ehci-hcd.c
- +++ b/drivers/usb/host/ehci-hcd.c
- @@ -194,9 +194,11 @@ static int ehci_halt (struct ehci_hcd *e
- if ((temp & STS_HALT) != 0)
- return 0;
-
- +#ifndef CONFIG_ARCH_GEMINI
- temp = ehci_readl(ehci, &ehci->regs->command);
- temp &= ~CMD_RUN;
- ehci_writel(ehci, temp, &ehci->regs->command);
- +#endif
- return handshake (ehci, &ehci->regs->status,
- STS_HALT, STS_HALT, 16 * 125);
- }
- @@ -263,8 +265,8 @@ static int ehci_reset (struct ehci_hcd *
- if (retval)
- return retval;
-
- - if (ehci_is_TDI(ehci))
- - tdi_reset (ehci);
- +// if (ehci_is_TDI(ehci))
- +// tdi_reset (ehci);
-
- if (ehci->debug)
- dbgp_external_startup();
- @@ -397,12 +399,13 @@ static void ehci_silence_controller(stru
- {
- ehci_halt(ehci);
- ehci_turn_off_all_ports(ehci);
- -
- +#ifndef CONFIG_ARCH_GEMINI
- /* make BIOS/etc use companion controller during reboot */
- ehci_writel(ehci, 0, &ehci->regs->configured_flag);
-
- /* unblock posted writes */
- ehci_readl(ehci, &ehci->regs->configured_flag);
- +#endif
- }
-
- /* ehci_shutdown kick in for silicon on any bus (not just pci, etc).
- @@ -653,7 +656,9 @@ static int ehci_run (struct usb_hcd *hcd
- // Philips, Intel, and maybe others need CMD_RUN before the
- // root hub will detect new devices (why?); NEC doesn't
- ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
- +#ifndef CONFIG_ARCH_GEMINI
- ehci->command |= CMD_RUN;
- +#endif
- ehci_writel(ehci, ehci->command, &ehci->regs->command);
- dbg_cmd (ehci, "init", ehci->command);
-
- @@ -673,9 +678,11 @@ static int ehci_run (struct usb_hcd *hcd
- */
- down_write(&ehci_cf_port_reset_rwsem);
- hcd->state = HC_STATE_RUNNING;
- +#ifndef CONFIG_ARCH_GEMINI
- ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
- ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
- msleep(5);
- +#endif
- up_write(&ehci_cf_port_reset_rwsem);
- ehci->last_periodic_enable = ktime_get_real();
-
- @@ -767,9 +774,10 @@ static irqreturn_t ehci_irq (struct usb_
- pcd_status = status;
-
- /* resume root hub? */
- +#ifndef CONFIG_ARCH_GEMINI
- if (!(cmd & CMD_RUN))
- usb_hcd_resume_root_hub(hcd);
- -
- +#endif
- while (i--) {
- int pstatus = ehci_readl(ehci,
- &ehci->regs->port_status [i]);
- @@ -802,7 +810,9 @@ static irqreturn_t ehci_irq (struct usb_
- ehci_halt(ehci);
- dead:
- ehci_reset(ehci);
- +#ifndef CONFIG_ARCH_GEMINI
- ehci_writel(ehci, 0, &ehci->regs->configured_flag);
- +#endif
- /* generic layer kills/unlinks all urbs, then
- * uses ehci_stop to clean up the rest
- */
- @@ -1101,6 +1111,11 @@ MODULE_LICENSE ("GPL");
- #define PCI_DRIVER ehci_pci_driver
- #endif
-
- +#ifdef CONFIG_ARCH_GEMINI
- +#include "ehci-fotg2xx.c"
- +#define PLATFORM_DRIVER fotg2xx_ehci_driver
- +#endif
- +
- #ifdef CONFIG_USB_EHCI_FSL
- #include "ehci-fsl.c"
- #define PLATFORM_DRIVER ehci_fsl_driver
- --- a/drivers/usb/host/ehci-hub.c
- +++ b/drivers/usb/host/ehci-hub.c
- @@ -809,6 +809,12 @@ static int ehci_hub_control (
- /* see what we found out */
- temp = check_reset_complete (ehci, wIndex, status_reg,
- ehci_readl(ehci, status_reg));
- +#ifdef CONFIG_ARCH_GEMINI
- + /* restart schedule */
- + ehci_writel(ehci, ehci_readl(ehci, &ehci->regs->command) | CMD_RUN, &ehci->regs->command);
- +
- +// hcd->state = HC_STATE_RUNNING;
- +#endif
- }
-
- if (!(temp & (PORT_RESUME|PORT_RESET)))
- --- a/drivers/usb/Kconfig
- +++ b/drivers/usb/Kconfig
- @@ -60,6 +60,7 @@ config USB_ARCH_HAS_EHCI
- default y if ARCH_IXP4XX
- default y if ARCH_W90X900
- default y if ARCH_AT91SAM9G45
- + default y if ARCH_GEMINI
- default PCI
-
- # ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface.
- --- /dev/null
- +++ b/drivers/watchdog/gemini_wdt.c
- @@ -0,0 +1,368 @@
- +/*
- + * Watchdog driver for Cortina Systems Gemini SoC
- + *
- + * Copyright (C) 2009 Paulius Zaleckas <[email protected]>
- + *
- + * This program is free software; you can redistribute it and/or modify
- + * it under the terms of the GNU General Public License version 2 as
- + * published by the Free Software Foundation.
- + */
- +
- +#include <linux/kernel.h>
- +#include <linux/init.h>
- +#include <linux/io.h>
- +#include <linux/fs.h>
- +#include <linux/uaccess.h>
- +#include <linux/miscdevice.h>
- +#include <linux/platform_device.h>
- +#include <linux/watchdog.h>
- +
- +#define GEMINI_WDCOUNTER 0x0
- +#define GEMINI_WDLOAD 0x4
- +#define GEMINI_WDRESTART 0x8
- +
- +#define WDRESTART_MAGIC 0x5AB9
- +
- +#define GEMINI_WDCR 0xC
- +
- +#define WDCR_CLOCK_5MHZ (1 << 4)
- +#define WDCR_SYS_RST (1 << 1)
- +#define WDCR_ENABLE (1 << 0)
- +
- +#define WDT_CLOCK 5000000 /* 5 MHz */
- +#define WDT_DEFAULT_TIMEOUT 13
- +#define WDT_MAX_TIMEOUT (0xFFFFFFFF / WDT_CLOCK)
- +
- +/* status bits */
- +#define WDT_ACTIVE 0
- +#define WDT_OK_TO_CLOSE 1
- +
- +static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
- +static int nowayout = WATCHDOG_NOWAYOUT;
- +
- +static DEFINE_SPINLOCK(gemini_wdt_lock);
- +
- +static struct platform_device *gemini_wdt_dev;
- +
- +struct gemini_wdt_struct {
- + struct resource *res;
- + struct device *dev;
- + void __iomem *base;
- + unsigned long status;
- +};
- +
- +static struct watchdog_info gemini_wdt_info = {
- + .identity = "Gemini watchdog",
- + .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
- + WDIOF_SETTIMEOUT,
- +};
- +
- +/* Disable the watchdog. */
- +static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt)
- +{
- + spin_lock(&gemini_wdt_lock);
- +
- + __raw_writel(0, gemini_wdt->base + GEMINI_WDCR);
- +
- + clear_bit(WDT_ACTIVE, &gemini_wdt->status);
- +
- + spin_unlock(&gemini_wdt_lock);
- +}
- +
- +/* Service the watchdog */
- +static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt)
- +{
- + __raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART);
- +}
- +
- +/* Enable and reset the watchdog. */
- +static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt)
- +{
- + spin_lock(&gemini_wdt_lock);
- +
- + __raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD);
- +
- + gemini_wdt_service(gemini_wdt);
- +
- + /* set clock before enabling */
- + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
- + gemini_wdt->base + GEMINI_WDCR);
- +
- + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
- + gemini_wdt->base + GEMINI_WDCR);
- +
- + set_bit(WDT_ACTIVE, &gemini_wdt->status);
- +
- + spin_unlock(&gemini_wdt_lock);
- +}
- +
- +/* Watchdog device is opened, and watchdog starts running. */
- +static int gemini_wdt_open(struct inode *inode, struct file *file)
- +{
- + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev);
- +
- + if (test_bit(WDT_ACTIVE, &gemini_wdt->status))
- + return -EBUSY;
- +
- + file->private_data = gemini_wdt;
- +
- + gemini_wdt_start(gemini_wdt);
- +
- + return nonseekable_open(inode, file);
- +}
- +
- +/* Close the watchdog device. */
- +static int gemini_wdt_close(struct inode *inode, struct file *file)
- +{
- + struct gemini_wdt_struct *gemini_wdt = file->private_data;
- +
- + /* Disable the watchdog if possible */
- + if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status))
- + gemini_wdt_stop(gemini_wdt);
- + else
- + dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
- +
- + return 0;
- +}
- +
- +/* Handle commands from user-space. */
- +static int gemini_wdt_ioctl(struct inode *inode, struct file *file,
- + unsigned int cmd, unsigned long arg)
- +{
- + struct gemini_wdt_struct *gemini_wdt = file->private_data;
- +
- + int value;
- +
- + switch (cmd) {
- + case WDIOC_KEEPALIVE:
- + gemini_wdt_service(gemini_wdt);
- + return 0;
- +
- + case WDIOC_GETSUPPORT:
- + return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info,
- + sizeof(gemini_wdt_info)) ? -EFAULT : 0;
- +
- + case WDIOC_SETTIMEOUT:
- + if (get_user(value, (int *)arg))
- + return -EFAULT;
- +
- + if ((value < 1) || (value > WDT_MAX_TIMEOUT))
- + return -EINVAL;
- +
- + timeout = value;
- +
- + /* restart wdt to use new timeout */
- + gemini_wdt_stop(gemini_wdt);
- + gemini_wdt_start(gemini_wdt);
- +
- + /* Fall through */
- + case WDIOC_GETTIMEOUT:
- + return put_user(timeout, (int *)arg);
- +
- + case WDIOC_GETTIMELEFT:
- + value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER);
- + return put_user(value / WDT_CLOCK, (int *)arg);
- +
- + default:
- + return -ENOTTY;
- + }
- +}
- +
- +/* Refresh the watchdog whenever device is written to. */
- +static ssize_t gemini_wdt_write(struct file *file, const char *data,
- + size_t len, loff_t *ppos)
- +{
- + struct gemini_wdt_struct *gemini_wdt = file->private_data;
- +
- + if (len) {
- + if (!nowayout) {
- + size_t i;
- +
- + clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status);
- + for (i = 0; i != len; i++) {
- + char c;
- +
- + if (get_user(c, data + i))
- + return -EFAULT;
- + if (c == 'V')
- + set_bit(WDT_OK_TO_CLOSE,
- + &gemini_wdt->status);
- + }
- + }
- + gemini_wdt_service(gemini_wdt);
- + }
- +
- + return len;
- +}
- +
- +static const struct file_operations gemini_wdt_fops = {
- + .owner = THIS_MODULE,
- + .llseek = no_llseek,
- + .ioctl = gemini_wdt_ioctl,
- + .open = gemini_wdt_open,
- + .release = gemini_wdt_close,
- + .write = gemini_wdt_write,
- +};
- +
- +static struct miscdevice gemini_wdt_miscdev = {
- + .minor = WATCHDOG_MINOR,
- + .name = "watchdog",
- + .fops = &gemini_wdt_fops,
- +};
- +
- +static void gemini_wdt_shutdown(struct platform_device *pdev)
- +{
- + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
- +
- + gemini_wdt_stop(gemini_wdt);
- +}
- +
- +static int __init gemini_wdt_probe(struct platform_device *pdev)
- +{
- + int ret;
- + int res_size;
- + struct resource *res;
- + void __iomem *base;
- + struct gemini_wdt_struct *gemini_wdt;
- +
- + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- + if (!res) {
- + dev_err(&pdev->dev, "can't get device resources\n");
- + return -ENODEV;
- + }
- +
- + res_size = resource_size(res);
- + if (!request_mem_region(res->start, res_size, res->name)) {
- + dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
- + res_size, res->start);
- + return -ENOMEM;
- + }
- +
- + base = ioremap(res->start, res_size);
- + if (!base) {
- + dev_err(&pdev->dev, "ioremap failed\n");
- + ret = -EIO;
- + goto fail0;
- + }
- +
- + gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL);
- + if (!gemini_wdt) {
- + dev_err(&pdev->dev, "can't allocate interface\n");
- + ret = -ENOMEM;
- + goto fail1;
- + }
- +
- + /* Setup gemini_wdt driver structure */
- + gemini_wdt->base = base;
- + gemini_wdt->res = res;
- +
- + /* Set up platform driver data */
- + platform_set_drvdata(pdev, gemini_wdt);
- + gemini_wdt_dev = pdev;
- +
- + if (gemini_wdt_miscdev.parent) {
- + ret = -EBUSY;
- + goto fail2;
- + }
- +
- + gemini_wdt_miscdev.parent = &pdev->dev;
- +
- + ret = misc_register(&gemini_wdt_miscdev);
- + if (ret)
- + goto fail2;
- +
- + return 0;
- +
- +fail2:
- + platform_set_drvdata(pdev, NULL);
- + kfree(gemini_wdt);
- +fail1:
- + iounmap(base);
- +fail0:
- + release_mem_region(res->start, res_size);
- +
- + return ret;
- +}
- +
- +static int __exit gemini_wdt_remove(struct platform_device *pdev)
- +{
- + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
- +
- + platform_set_drvdata(pdev, NULL);
- + misc_deregister(&gemini_wdt_miscdev);
- + gemini_wdt_dev = NULL;
- + iounmap(gemini_wdt->base);
- + release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res));
- +
- + kfree(gemini_wdt);
- +
- + return 0;
- +}
- +
- +#ifdef CONFIG_PM
- +static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message)
- +{
- + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
- + unsigned int reg;
- +
- + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
- + reg &= ~(WDCR_WDENABLE);
- + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
- +
- + return 0;
- +}
- +
- +static int gemini_wdt_resume(struct platform_device *pdev)
- +{
- + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
- + unsigned int reg;
- +
- + if (gemini_wdt->status) {
- + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
- + reg |= WDCR_WDENABLE;
- + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
- + }
- +
- + return 0;
- +}
- +#else
- +#define gemini_wdt_suspend NULL
- +#define gemini_wdt_resume NULL
- +#endif
- +
- +static struct platform_driver gemini_wdt_driver = {
- + .probe = gemini_wdt_probe,
- + .remove = __exit_p(gemini_wdt_remove),
- + .shutdown = gemini_wdt_shutdown,
- + .suspend = gemini_wdt_suspend,
- + .resume = gemini_wdt_resume,
- + .driver = {
- + .name = "gemini-wdt",
- + .owner = THIS_MODULE,
- + },
- +};
- +
- +static int __init gemini_wdt_init(void)
- +{
- + return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe);
- +}
- +
- +static void __exit gemini_wdt_exit(void)
- +{
- + platform_driver_unregister(&gemini_wdt_driver);
- +}
- +
- +module_init(gemini_wdt_init);
- +module_exit(gemini_wdt_exit);
- +
- +module_param(timeout, uint, 0);
- +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
- +
- +module_param(nowayout, int, 0);
- +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
- +
- +MODULE_AUTHOR("Paulius Zaleckas");
- +MODULE_DESCRIPTION("Watchdog driver for Gemini");
- +MODULE_LICENSE("GPL");
- +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
- +MODULE_ALIAS("platform:gemini-wdt");
- --- a/drivers/watchdog/Kconfig
- +++ b/drivers/watchdog/Kconfig
- @@ -111,6 +111,16 @@ config 977_WATCHDOG
-
- Not sure? It's safe to say N.
-
- +config GEMINI_WATCHDOG
- + tristate "Gemini watchdog"
- + depends on ARCH_GEMINI
- + help
- + Say Y here if to include support for the watchdog timer
- + embedded in the Cortina Systems Gemini family of devices.
- +
- + To compile this driver as a module, choose M here: the
- + module will be called gemini_wdt.
- +
- config IXP2000_WATCHDOG
- tristate "IXP2000 Watchdog"
- depends on ARCH_IXP2000
- --- a/drivers/watchdog/Makefile
- +++ b/drivers/watchdog/Makefile
- @@ -31,6 +31,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.
- obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o
- obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
- obj-$(CONFIG_977_WATCHDOG) += wdt977.o
- +obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o
- obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
- obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
- obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
- --- a/include/linux/usb/ehci_def.h
- +++ b/include/linux/usb/ehci_def.h
- @@ -91,9 +91,9 @@ struct ehci_regs {
- u32 frame_list; /* points to periodic list */
- /* ASYNCLISTADDR: offset 0x18 */
- u32 async_next; /* address of next async queue head */
- -
- +#ifndef CONFIG_ARCH_GEMINI
- u32 reserved [9];
- -
- +#endif
- /* CONFIGFLAG: offset 0x40 */
- u32 configured_flag;
- #define FLAG_CF (1<<0) /* true: we'll support "high speed" */
- --- a/arch/arm/mm/Kconfig
- +++ b/arch/arm/mm/Kconfig
- @@ -774,5 +774,6 @@ config CACHE_XSC3L2
-
- config ARM_L1_CACHE_SHIFT
- int
- + default 4 if CPU_FA526
- default 6 if ARCH_OMAP3
- default 5
- --- a/arch/arm/lib/copy_page.S
- +++ b/arch/arm/lib/copy_page.S
- @@ -17,7 +17,7 @@
- #define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 ))
-
- .text
- - .align 5
- + .align L1_CACHE_SHIFT
- /*
- * StrongARM optimised copy_page routine
- * now 1.78bytes/cycle, was 1.60 bytes/cycle (50MHz bus -> 89MB/s)
|