diff options
Diffstat (limited to 'target/linux/ar7/patches-2.6.22/100-board_support.patch')
| -rw-r--r-- | target/linux/ar7/patches-2.6.22/100-board_support.patch | 75 |
1 files changed, 75 insertions, 0 deletions
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 new file mode 100644 index 000000000..5989580ee --- /dev/null +++ b/target/linux/ar7/patches-2.6.22/100-board_support.patch @@ -0,0 +1,75 @@ +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 @@ + prompt "System type" + default SGI_IP22 + ++config AR7 ++ bool "Texas Instruments AR7" ++ select BOOT_ELF32 ++ select DMA_NONCOHERENT ++ select HW_HAS_PCI ++ select IRQ_CPU ++ 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 GENERIC_GPIO ++ + config MACH_ALCHEMY + bool "Alchemy processor based machines" + +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 @@ + + exception_handlers[n] = handler; + 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); + } + 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 +@@ -158,6 +158,13 @@ + # + + # ++# 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/ |