mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-18 00:51:30 +03:00
35881dd173
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8741 3c298f89-4303-0410-b956-a3cf2f4a3e73
77 lines
2.5 KiB
Diff
77 lines
2.5 KiB
Diff
diff -urN linux-2.6.22/arch/mips/Kconfig linux-2.6.22.new/arch/mips/Kconfig
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--- linux-2.6.22/arch/mips/Kconfig 2007-07-09 01:32:17.000000000 +0200
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+++ linux-2.6.22.new/arch/mips/Kconfig 2007-07-11 02:34:51.000000000 +0200
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@@ -15,6 +15,21 @@
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prompt "System type"
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default SGI_IP22
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+config AR7
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+ bool "Texas Instruments AR7"
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+ select BOOT_ELF32
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+ select DMA_NONCOHERENT
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+ select HW_HAS_PCI
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+ select IRQ_CPU
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+ select SWAP_IO_SPACE
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+ select SYS_HAS_CPU_MIPS32_R1
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+ select SYS_HAS_EARLY_PRINTK
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+ select SYS_SUPPORTS_32BIT_KERNEL
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+ select SYS_SUPPORTS_KGDB
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+ select SYS_SUPPORTS_LITTLE_ENDIAN
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+ select SYS_SUPPORTS_BIG_ENDIAN
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+ select GENERIC_GPIO
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+
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config MACH_ALCHEMY
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bool "Alchemy processor based machines"
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diff -urN linux-2.6.22/arch/mips/kernel/traps.c linux-2.6.22.new/arch/mips/kernel/traps.c
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--- linux-2.6.22/arch/mips/kernel/traps.c 2007-07-09 01:32:17.000000000 +0200
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+++ linux-2.6.22.new/arch/mips/kernel/traps.c 2007-07-11 02:32:39.000000000 +0200
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@@ -1051,11 +1051,6 @@
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unsigned long exception_handlers[32];
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unsigned long vi_handlers[64];
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-/*
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- * As a side effect of the way this is implemented we're limited
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- * to interrupt handlers in the address range from
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- * KSEG0 <= x < KSEG0 + 256mb on the Nevada. Oh well ...
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- */
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void *set_except_vector(int n, void *addr)
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{
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unsigned long handler = (unsigned long) addr;
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@@ -1063,9 +1058,15 @@
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exception_handlers[n] = handler;
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if (n == 0 && cpu_has_divec) {
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- *(volatile u32 *)(ebase + 0x200) = 0x08000000 |
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- (0x03ffffff & (handler >> 2));
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- flush_icache_range(ebase + 0x200, ebase + 0x204);
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+ /* lui k0, 0x0000 */
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+ *(volatile u32 *)(CAC_BASE+0x200) = 0x3c1a0000 | (handler >> 16);
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+ /* ori k0, 0x0000 */
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+ *(volatile u32 *)(CAC_BASE+0x204) = 0x375a0000 | (handler & 0xffff);
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+ /* jr k0 */
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+ *(volatile u32 *)(CAC_BASE+0x208) = 0x03400008;
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+ /* nop */
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+ *(volatile u32 *)(CAC_BASE+0x20C) = 0x00000000;
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+ flush_icache_range(CAC_BASE+0x200, CAC_BASE+0x210);
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}
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return (void *)old_handler;
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}
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diff -urN linux-2.6.22/arch/mips/Makefile linux-2.6.22.new/arch/mips/Makefile
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--- linux-2.6.22/arch/mips/Makefile 2007-07-09 01:32:17.000000000 +0200
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+++ linux-2.6.22.new/arch/mips/Makefile 2007-07-11 02:32:39.000000000 +0200
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@@ -158,6 +158,13 @@
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#
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#
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+# Texas Instruments AR7
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+#
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+core-$(CONFIG_AR7) += arch/mips/ar7/
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+cflags-$(CONFIG_AR7) += -Iinclude/asm-mips/ar7
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+load-$(CONFIG_AR7) += 0xffffffff94100000
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+
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+#
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# Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
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#
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core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
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