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Code

print kernel message when cache workarounds are enabled

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1351 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-07-05 16:49:13 +00:00
parent 940bcf55f2
commit da51a6ceca
1 changed files with 17 additions and 16 deletions
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33
target/linux/linux-2.4/patches/brcm/003-bcm47xx_cache_fixes.patch
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@ -1,6 +1,6 @@
diff -urN linux.old/arch/mips/kernel/entry.S linux.dev/arch/mips/kernel/entry.S
--- linux.old/arch/mips/kernel/entry.S 2005-07-04 23:39:26.000000000 +0200
+++ linux.dev/arch/mips/kernel/entry.S 2005-07-05 14:33:14.000000000 +0200
--- linux.old/arch/mips/kernel/entry.S 2005-07-05 16:46:49.000000000 +0200
+++ linux.dev/arch/mips/kernel/entry.S 2005-07-05 16:42:36.000000000 +0200
@@ -100,6 +100,10 @@
* and R4400 SC and MC versions.
*/
@ -13,8 +13,8 @@ diff -urN linux.old/arch/mips/kernel/entry.S linux.dev/arch/mips/kernel/entry.S
mfc0 k0, CP0_INDEX
#endif
diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
--- linux.old/arch/mips/mm/c-r4k.c 2005-07-04 23:39:26.000000000 +0200
+++ linux.dev/arch/mips/mm/c-r4k.c 2005-07-05 15:11:49.000000000 +0200
--- linux.old/arch/mips/mm/c-r4k.c 2005-07-05 16:46:49.000000000 +0200
+++ linux.dev/arch/mips/mm/c-r4k.c 2005-07-05 16:48:47.000000000 +0200
@@ -14,6 +14,12 @@
#include <linux/mm.h>
#include <linux/bitops.h>
@ -262,19 +262,20 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
void __init ld_mmu_r4xx0(void)
{
extern void build_clear_page(void);
@@ -1073,6 +1147,11 @@
@@ -1073,6 +1147,12 @@
memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80);
memcpy((void *)(KSEG1 + 0x100), &except_vec2_generic, 0x80);
+ if (current_cpu_data.cputype == CPU_BCM4710 && (current_cpu_data.processor_id & PRID_REV_MASK) == 0)
+ if (current_cpu_data.cputype == CPU_BCM4710 && (current_cpu_data.processor_id & PRID_REV_MASK) == 0) {
+ printk("Enabling BCM4710A0 cache workarounds.\n");
+ bcm4710 = 1;
+ else
+ } else
+ bcm4710 = 0;
+
probe_pcache();
setup_scache();
@@ -1117,47 +1196,9 @@
@@ -1117,47 +1197,9 @@
build_clear_page();
build_copy_page();
@ -325,8 +326,8 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
}
diff -urN linux.old/arch/mips/mm/tlb-r4k.c linux.dev/arch/mips/mm/tlb-r4k.c
--- linux.old/arch/mips/mm/tlb-r4k.c 2005-07-04 23:39:26.000000000 +0200
+++ linux.dev/arch/mips/mm/tlb-r4k.c 2005-07-05 14:33:14.000000000 +0200
--- linux.old/arch/mips/mm/tlb-r4k.c 2005-07-05 16:46:49.000000000 +0200
+++ linux.dev/arch/mips/mm/tlb-r4k.c 2005-07-05 16:42:36.000000000 +0200
@@ -38,6 +38,7 @@
old_ctx = read_c0_entryhi();
write_c0_entrylo0(0);
@ -384,8 +385,8 @@ diff -urN linux.old/arch/mips/mm/tlb-r4k.c linux.dev/arch/mips/mm/tlb-r4k.c
write_c0_entryhi(entryhi);
write_c0_entrylo0(entrylo0);
diff -urN linux.old/arch/mips/mm/tlbex-mips32.S linux.dev/arch/mips/mm/tlbex-mips32.S
--- linux.old/arch/mips/mm/tlbex-mips32.S 2005-07-04 23:39:26.000000000 +0200
+++ linux.dev/arch/mips/mm/tlbex-mips32.S 2005-07-05 14:33:14.000000000 +0200
--- linux.old/arch/mips/mm/tlbex-mips32.S 2005-07-05 16:46:49.000000000 +0200
+++ linux.dev/arch/mips/mm/tlbex-mips32.S 2005-07-05 16:42:36.000000000 +0200
@@ -90,6 +90,9 @@
.set noat
LEAF(except_vec0_r4000)
@ -397,8 +398,8 @@ diff -urN linux.old/arch/mips/mm/tlbex-mips32.S linux.dev/arch/mips/mm/tlbex-mip
mfc0 k1, CP0_CONTEXT
la k0, pgd_current
diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kcache.h
--- linux.old/include/asm-mips/r4kcache.h 2005-07-04 23:39:26.000000000 +0200
+++ linux.dev/include/asm-mips/r4kcache.h 2005-07-05 15:13:56.000000000 +0200
--- linux.old/include/asm-mips/r4kcache.h 2005-07-05 16:46:49.000000000 +0200
+++ linux.dev/include/asm-mips/r4kcache.h 2005-07-05 16:42:36.000000000 +0200
@@ -15,6 +15,18 @@
#include <asm/asm.h>
#include <asm/cacheops.h>
@ -579,8 +580,8 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
cache64_unroll32(start,Hit_Invalidate_I);
start += 0x800;
diff -urN linux.old/include/asm-mips/stackframe.h linux.dev/include/asm-mips/stackframe.h
--- linux.old/include/asm-mips/stackframe.h 2005-07-04 23:39:26.000000000 +0200
+++ linux.dev/include/asm-mips/stackframe.h 2005-07-05 14:33:14.000000000 +0200
--- linux.old/include/asm-mips/stackframe.h 2005-07-05 16:46:49.000000000 +0200
+++ linux.dev/include/asm-mips/stackframe.h 2005-07-05 16:42:36.000000000 +0200
@@ -172,6 +172,46 @@
rfe; \
.set pop