summaryrefslogtreecommitdiff
path: root/target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch
diff options
context:
space:
mode:
authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-07-11 10:47:25 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-07-11 10:47:25 +0000
commit7d300fe75e0da68bcb23a51f2fe91f4a946427b4 (patch)
treecabca792e6f80c55a0505c596011c62e47a0be67 /target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch
parent3cecb5ee60683ca24914f07047c014ff5090776b (diff)
add ar7 2.6.22 patches by matteo (work in progress, not booting yet)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7914 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch')
-rw-r--r--target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch106
1 files changed, 106 insertions, 0 deletions
diff --git a/target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch b/target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch
new file mode 100644
index 0000000000..7d99e9be3f
--- /dev/null
+++ b/target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch
@@ -0,0 +1,106 @@
+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 +15,21 @@
+ 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
++ select ZONE_DMA
++
+ config MACH_ALCHEMY
+ bool "Alchemy processor based machines"
+
+diff -urN linux-2.6.22/arch/mips/kernel/setup.c linux-2.6.22.new/arch/mips/kernel/setup.c
+--- linux-2.6.22/arch/mips/kernel/setup.c 2007-07-09 01:32:17.000000000 +0200
++++ linux-2.6.22.new/arch/mips/kernel/setup.c 2007-07-11 02:32:39.000000000 +0200
+@@ -258,7 +258,7 @@
+ * 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)
+ {
+@@ -266,7 +266,7 @@
+ finalize_initrd();
+ }
+
+-#else /* !CONFIG_SGI_IP27 */
++#else /* !CONFIG_NEED_MULTIPLE_NODES */
+
+ static void __init bootmem_init(void)
+ {
+@@ -392,7 +392,7 @@
+ finalize_initrd();
+ }
+
+-#endif /* CONFIG_SGI_IP27 */
++#endif /* CONFIG_NEED_MULTIPLE_NODES */
+
+ /*
+ * arch_mem_init - initialize memory managment subsystem
+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/