X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=target%2Flinux%2Far7%2Fpatches-2.6.22%2F100-board_support.patch;h=c7ea6cc2ae957cc1875aa647c6c65ea245173f47;hp=5989580ee8368778a8382df98b8646518ed3f245;hb=bfe9a8033926d2bdb77052e04320c4db1ca1555c;hpb=5c903cc55c673e5e6eda9c78f51a81b715eb4eec

diff --git a/target/linux/ar7/patches-2.6.22/100-board_support.patch b/target/linux/ar7/patches-2.6.22/100-board_support.patch
index 5989580ee8..c7ea6cc2ae 100644
--- a/target/linux/ar7/patches-2.6.22/100-board_support.patch
+++ b/target/linux/ar7/patches-2.6.22/100-board_support.patch
@@ -1,7 +1,7 @@
 diff -urN linux-2.6.22/arch/mips/Kconfig linux-2.6.22.new/arch/mips/Kconfig
 --- linux-2.6.22/arch/mips/Kconfig	2007-07-09 01:32:17.000000000 +0200
 +++ linux-2.6.22.new/arch/mips/Kconfig	2007-07-11 02:34:51.000000000 +0200
-@@ -15,6 +15,20 @@
+@@ -15,6 +15,21 @@
  	prompt "System type"
  	default SGI_IP22
  
@@ -17,6 +17,7 @@ diff -urN linux-2.6.22/arch/mips/Kconfig linux-2.6.22.new/arch/mips/Kconfig
 +	select SYS_SUPPORTS_32BIT_KERNEL
 +	select SYS_SUPPORTS_KGDB
 +	select SYS_SUPPORTS_LITTLE_ENDIAN
++	select SYS_SUPPORTS_BIG_ENDIAN
 +	select GENERIC_GPIO
 +
  config MACH_ALCHEMY
@@ -25,37 +26,35 @@ diff -urN linux-2.6.22/arch/mips/Kconfig linux-2.6.22.new/arch/mips/Kconfig
 diff -urN linux-2.6.22/arch/mips/kernel/traps.c linux-2.6.22.new/arch/mips/kernel/traps.c
 --- linux-2.6.22/arch/mips/kernel/traps.c	2007-07-09 01:32:17.000000000 +0200
 +++ linux-2.6.22.new/arch/mips/kernel/traps.c	2007-07-11 02:32:39.000000000 +0200
-@@ -1051,11 +1051,6 @@
- unsigned long exception_handlers[32];
- unsigned long vi_handlers[64];
- 
--/*
-- * As a side effect of the way this is implemented we're limited
-- * to interrupt handlers in the address range from
-- * KSEG0 <= x < KSEG0 + 256mb on the Nevada.  Oh well ...
-- */
- void *set_except_vector(int n, void *addr)
- {
- 	unsigned long handler = (unsigned long) addr;
-@@ -1063,9 +1058,15 @@
+@@ -1074,11 +1074,23 @@ void *set_except_vector(int n, void *addr)
+ 	unsigned long old_handler = exception_handlers[n];
  
  	exception_handlers[n] = handler;
- 	if (n == 0 && cpu_has_divec) {
+-	if (n == 0 && cpu_has_divec) {
 -		*(volatile u32 *)(ebase + 0x200) = 0x08000000 |
 -		                                 (0x03ffffff & (handler >> 2));
 -		flush_icache_range(ebase + 0x200, ebase + 0x204);
-+		/* lui k0, 0x0000 */
-+		*(volatile u32 *)(CAC_BASE+0x200) = 0x3c1a0000 | (handler >> 16);
-+		/* ori k0, 0x0000 */
-+		*(volatile u32 *)(CAC_BASE+0x204) = 0x375a0000 | (handler & 0xffff);
-+		/* jr k0 */
-+		*(volatile u32 *)(CAC_BASE+0x208) = 0x03400008;
-+		/* nop */
-+		*(volatile u32 *)(CAC_BASE+0x20C) = 0x00000000;
-+		flush_icache_range(CAC_BASE+0x200, CAC_BASE+0x210);
- 	}
+-	}
++	if (n == 0 && cpu_has_divec)
++		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 {
++			*(volatile u32 *)(ebase + 0x200) =
++				0x08000000 | (0x03ffffff & (handler >> 2));
++			flush_icache_range(ebase + 0x200, ebase + 0x204);
++		}
  	return (void *)old_handler;
  }
+ 
 diff -urN linux-2.6.22/arch/mips/Makefile linux-2.6.22.new/arch/mips/Makefile
 --- linux-2.6.22/arch/mips/Makefile	2007-07-09 01:32:17.000000000 +0200
 +++ linux-2.6.22.new/arch/mips/Makefile	2007-07-11 02:32:39.000000000 +0200
@@ -73,3 +72,19 @@ diff -urN linux-2.6.22/arch/mips/Makefile linux-2.6.22.new/arch/mips/Makefile
  # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
  #
  core-$(CONFIG_MACH_JAZZ)	+= arch/mips/jazz/
+diff -urN linux-2.6.22.4/include/asm-mips/page.h linux-2.6.22.4.new/include/asm-mips/page.h
+--- linux-2.6.22.4/include/asm-mips/page.h	2007-08-21 12:33:06.000000000 +0800
++++ linux-2.6.22.4.new/include/asm-mips/page.h	2007-09-13 15:13:00.000000000 +0800
+@@ -187,8 +187,10 @@
+ #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>