You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
3.2 KiB
105 lines
3.2 KiB
diff -Nru linux-2.6.19.2/arch/mips/Kconfig linux-ar7/arch/mips/Kconfig
|
|
--- linux-2.6.19.2/arch/mips/Kconfig 2006-12-12 02:32:53.000000000 +0700
|
|
+++ linux-ar7/arch/mips/Kconfig 2007-01-29 21:52:21.000000000 +0700
|
|
@@ -16,6 +16,20 @@
|
|
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_LITTLE_ENDIAN
|
|
+ select NEED_MULTIPLE_NODES
|
|
+ select GENERIC_GPIO
|
|
+
|
|
config MIPS_MTX1
|
|
bool "4G Systems MTX-1 board"
|
|
select DMA_NONCOHERENT
|
|
diff -Nru linux-2.6.19.2/arch/mips/Makefile linux-ar7/arch/mips/Makefile
|
|
--- linux-2.6.19.2/arch/mips/Makefile 2006-12-12 02:32:53.000000000 +0700
|
|
+++ linux-ar7/arch/mips/Makefile 2007-01-29 21:52:21.000000000 +0700
|
|
@@ -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/
|
|
diff -Nru linux-2.6.19.2/arch/mips/kernel/setup.c linux-ar7/arch/mips/kernel/setup.c
|
|
--- linux-2.6.19.2orig/arch/mips/kernel/setup.c 2006-12-12 02:32:53.000000000 +0700
|
|
+++ linux-ar7/arch/mips/kernel/setup.c 2007-03-04 22:32:13.000000000 +0700
|
|
@@ -236,7 +236,7 @@
|
|
* Initialize the bootmem allocator. It also setup initrd related data
|
|
* if needed.
|
|
*/
|
|
-#ifdef CONFIG_SGI_IP27
|
|
+#ifdef CONFIG_NEED_MULTIPLE_NODES
|
|
|
|
static void __init bootmem_init(void)
|
|
{
|
|
@@ -244,7 +244,7 @@
|
|
finalize_initrd();
|
|
}
|
|
|
|
-#else /* !CONFIG_SGI_IP27 */
|
|
+#else /* !CONFIG_NEED_MULTIPLE_NODES */
|
|
|
|
static void __init bootmem_init(void)
|
|
{
|
|
@@ -349,7 +349,7 @@
|
|
finalize_initrd();
|
|
}
|
|
|
|
-#endif /* CONFIG_SGI_IP27 */
|
|
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
|
|
|
|
/*
|
|
* arch_mem_init - initialize memory managment subsystem
|
|
diff -Nru linux-2.6.19.2/arch/mips/kernel/traps.c linux-ar7/arch/mips/kernel/traps.c
|
|
--- linux-2.6.19.2/arch/mips/kernel/traps.c 2007-01-11 02:10:37.000000000 +0700
|
|
+++ linux-ar7/arch/mips/kernel/traps.c 2007-03-15 13:19:19.000000000 +0700
|
|
@@ -1072,11 +1072,6 @@
|
|
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;
|
|
@@ -1084,9 +1079,15 @@
|
|
|
|
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;
|
|
}
|
|
|