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- Index: linux-2.6.24.7/arch/mips/Kconfig
- ===================================================================
- --- linux-2.6.24.7.orig/arch/mips/Kconfig
- +++ linux-2.6.24.7/arch/mips/Kconfig
- @@ -16,6 +16,24 @@ choice
- prompt "System type"
- default SGI_IP22
-
- +config AR7
- + bool "Texas Instruments AR7"
- + select BOOT_ELF32
- + select DMA_NONCOHERENT
- + select CEVT_R4K
- + select CSRC_R4K
- + select IRQ_CPU
- + select NO_EXCEPT_FILL
- + select SWAP_IO_SPACE
- + select SYS_HAS_CPU_MIPS32_R1
- + select SYS_HAS_EARLY_PRINTK
- + select SYS_SUPPORTS_32BIT_KERNEL
- + select SYS_SUPPORTS_KGDB
- + select SYS_SUPPORTS_LITTLE_ENDIAN
- + select SYS_SUPPORTS_BIG_ENDIAN
- + select GENERIC_GPIO
- + select GENERIC_HARDIRQS_NO__DO_IRQ
- +
- config MACH_ALCHEMY
- bool "Alchemy processor based machines"
-
- Index: linux-2.6.24.7/arch/mips/kernel/traps.c
- ===================================================================
- --- linux-2.6.24.7.orig/arch/mips/kernel/traps.c
- +++ linux-2.6.24.7/arch/mips/kernel/traps.c
- @@ -1093,9 +1093,22 @@ void *set_except_vector(int n, void *add
-
- exception_handlers[n] = handler;
- if (n == 0 && cpu_has_divec) {
- - *(u32 *)(ebase + 0x200) = 0x08000000 |
- - (0x03ffffff & (handler >> 2));
- - flush_icache_range(ebase + 0x200, ebase + 0x204);
- + if ((handler ^ (ebase + 4)) & 0xfc000000) {
- + /* lui k0, 0x0000 */
- + *(u32 *)(ebase + 0x200) = 0x3c1a0000 | (handler >> 16);
- + /* ori k0, 0x0000 */
- + *(u32 *)(ebase + 0x204) =
- + 0x375a0000 | (handler & 0xffff);
- + /* jr k0 */
- + *(u32 *)(ebase + 0x208) = 0x03400008;
- + /* nop */
- + *(u32 *)(ebase + 0x20C) = 0x00000000;
- + flush_icache_range(ebase + 0x200, ebase + 0x210);
- + } else {
- + *(u32 *)(ebase + 0x200) =
- + 0x08000000 | (0x03ffffff & (handler >> 2));
- + flush_icache_range(ebase + 0x200, ebase + 0x204);
- + }
- }
- return (void *)old_handler;
- }
- Index: linux-2.6.24.7/arch/mips/Makefile
- ===================================================================
- --- linux-2.6.24.7.orig/arch/mips/Makefile
- +++ linux-2.6.24.7/arch/mips/Makefile
- @@ -159,6 +159,13 @@ libs-$(CONFIG_SIBYTE_CFE) += arch/mips/s
- #
-
- #
- +# Texas Instruments AR7
- +#
- +core-$(CONFIG_AR7) += arch/mips/ar7/
- +cflags-$(CONFIG_AR7) += -Iinclude/asm-mips/ar7
- +load-$(CONFIG_AR7) += 0xffffffff94100000
- +
- +#
- # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
- #
- core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
- Index: linux-2.6.24.7/include/asm-mips/page.h
- ===================================================================
- --- linux-2.6.24.7.orig/include/asm-mips/page.h
- +++ linux-2.6.24.7/include/asm-mips/page.h
- @@ -184,8 +184,10 @@ typedef struct { unsigned long pgprot; }
- #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
- -#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
- -#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
- +#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \
- + PHYS_OFFSET)
- +#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \
- + PHYS_OFFSET)
-
- #include <asm-generic/memory_model.h>
- #include <asm-generic/page.h>
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