add ar7 2.6.23 patches and config
[openwrt/svn-archive/archive.git] / target / linux / ar7 / patches-2.6.23 / 100-board_support.patch
1 Index: linux-2.6.23-rc6/arch/mips/Kconfig
2 ===================================================================
3 --- linux-2.6.23-rc6.orig/arch/mips/Kconfig 2007-09-21 16:23:51.000000000 +0800
4 +++ linux-2.6.23-rc6/arch/mips/Kconfig 2007-09-21 16:24:11.000000000 +0800
5 @@ -15,6 +15,23 @@
6 prompt "System type"
7 default SGI_IP22
8
9 +config AR7
10 + bool "Texas Instruments AR7"
11 + select BOOT_ELF32
12 + select DMA_NONCOHERENT
13 + select HW_HAS_PCI
14 + select IRQ_CPU
15 + select NO_EXCEPT_FILL
16 + select SWAP_IO_SPACE
17 + select SYS_HAS_CPU_MIPS32_R1
18 + select SYS_HAS_EARLY_PRINTK
19 + select SYS_SUPPORTS_32BIT_KERNEL
20 + select SYS_SUPPORTS_KGDB
21 + select SYS_SUPPORTS_LITTLE_ENDIAN
22 + select SYS_SUPPORTS_BIG_ENDIAN
23 + select GENERIC_GPIO
24 + select GENERIC_HARDIRQS_NO__DO_IRQ
25 +
26 config MACH_ALCHEMY
27 bool "Alchemy processor based machines"
28
29 Index: linux-2.6.23-rc6/arch/mips/kernel/traps.c
30 ===================================================================
31 --- linux-2.6.23-rc6.orig/arch/mips/kernel/traps.c 2007-09-21 16:23:51.000000000 +0800
32 +++ linux-2.6.23-rc6/arch/mips/kernel/traps.c 2007-09-21 16:24:11.000000000 +0800
33 @@ -1075,10 +1075,23 @@
34
35 exception_handlers[n] = handler;
36 if (n == 0 && cpu_has_divec) {
37 - *(volatile u32 *)(ebase + 0x200) = 0x08000000 |
38 - (0x03ffffff & (handler >> 2));
39 - flush_icache_range(ebase + 0x200, ebase + 0x204);
40 - }
41 + if ((handler ^ (ebase + 4)) & 0xfc000000) {
42 + /* lui k0, 0x0000 */
43 + *(u32 *)(ebase + 0x200) = 0x3c1a0000 | (handler >> 16);
44 + /* ori k0, 0x0000 */
45 + *(u32 *)(ebase + 0x204) =
46 + 0x375a0000 | (handler & 0xffff);
47 + /* jr k0 */
48 + *(u32 *)(ebase + 0x208) = 0x03400008;
49 + /* nop */
50 + *(u32 *)(ebase + 0x20C) = 0x00000000;
51 + flush_icache_range(ebase + 0x200, ebase + 0x210);
52 + } else {
53 + *(volatile u32 *)(ebase + 0x200) =
54 + 0x08000000 | (0x03ffffff & (handler >> 2));
55 + flush_icache_range(ebase + 0x200, ebase + 0x204);
56 + }
57 + }
58 return (void *)old_handler;
59 }
60
61 Index: linux-2.6.23-rc6/arch/mips/Makefile
62 ===================================================================
63 --- linux-2.6.23-rc6.orig/arch/mips/Makefile 2007-09-21 16:24:05.000000000 +0800
64 +++ linux-2.6.23-rc6/arch/mips/Makefile 2007-09-21 16:24:11.000000000 +0800
65 @@ -161,6 +161,13 @@
66 #
67
68 #
69 +# Texas Instruments AR7
70 +#
71 +core-$(CONFIG_AR7) += arch/mips/ar7/
72 +cflags-$(CONFIG_AR7) += -Iinclude/asm-mips/ar7
73 +load-$(CONFIG_AR7) += 0xffffffff94100000
74 +
75 +#
76 # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
77 #
78 core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
79 Index: linux-2.6.23-rc6/include/asm-mips/page.h
80 ===================================================================
81 --- linux-2.6.23-rc6.orig/include/asm-mips/page.h 2007-09-21 16:23:51.000000000 +0800
82 +++ linux-2.6.23-rc6/include/asm-mips/page.h 2007-09-21 16:24:11.000000000 +0800
83 @@ -184,8 +184,10 @@
84 #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
85 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
86
87 -#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
88 -#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
89 +#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \
90 + PHYS_OFFSET)
91 +#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \
92 + PHYS_OFFSET)
93
94 #include <asm-generic/memory_model.h>
95 #include <asm-generic/page.h>