AR7 2.6.24 patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10052 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 92 insertions, 0 deletions

diff --git a/target/linux/ar7/patches-2.6.24/100-board_support.patch b/target/linux/ar7/patches-2.6.24/100-board_support.patch
new file mode 100644
index 0000000000..d23aecf4fe
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.24/100-board_support.patch
@@ -0,0 +1,92 @@
+Index: linux-2.6.23-rc6/arch/mips/Kconfig
+===================================================================
+--- linux-2.6.23-rc6.orig/arch/mips/Kconfig	2007-09-21 16:23:51.000000000 +0800
++++ linux-2.6.23-rc6/arch/mips/Kconfig	2007-09-21 16:24:11.000000000 +0800
+@@ -15,6 +15,22 @@
+ 	prompt "System type"
+ 	default SGI_IP22
+ 
++config AR7
++	bool "Texas Instruments AR7"
++	select BOOT_ELF32
++	select DMA_NONCOHERENT
++	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-2.6.23-rc6/arch/mips/kernel/traps.c
+===================================================================
+--- linux-2.6.23-rc6.orig/arch/mips/kernel/traps.c	2007-09-21 16:23:51.000000000 +0800
++++ linux-2.6.23-rc6/arch/mips/kernel/traps.c	2007-09-21 16:24:11.000000000 +0800
+@@ -1093,9 +1093,22 @@ void *set_except_vector(int n, void *addr)
+ 
+ 	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 {
++			*(volatile u32 *)(ebase + 0x200) =
++				0x08000000 | (0x03ffffff & (handler >> 2));
++			flush_icache_range(ebase + 0x200, ebase + 0x204);
++		}
+ 	}
+ 	return (void *)old_handler;
+ }
+Index: linux-2.6.23-rc6/arch/mips/Makefile
+===================================================================
+--- linux-2.6.23-rc6.orig/arch/mips/Makefile	2007-09-21 16:24:05.000000000 +0800
++++ linux-2.6.23-rc6/arch/mips/Makefile	2007-09-21 16:24:11.000000000 +0800
+@@ -161,6 +161,13 @@
+ #
+ 
+ #
++# 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-2.6.23-rc6/include/asm-mips/page.h
+===================================================================
+--- linux-2.6.23-rc6.orig/include/asm-mips/page.h	2007-09-21 16:23:51.000000000 +0800
++++ linux-2.6.23-rc6/include/asm-mips/page.h	2007-09-21 16:24:11.000000000 +0800
+@@ -184,8 +184,10 @@
+ #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>