mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 16:31:13 +00:00
95 lines
3.0 KiB
Diff
95 lines
3.0 KiB
Diff
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>
|