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add some more mmu fixes for bcm4710

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1203 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-06-11 15:37:23 +00:00
parent 9f0f9cb05f
commit 3aa3143414
1 changed files with 40 additions and 0 deletions
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40
target/linux/linux-2.4/patches/brcm/004-bcm94710_mmu.patch
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@ -240,3 +240,43 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
do {
cache32_unroll32(start,Hit_Invalidate_I);
start += 0x400;
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 2005-06-01 18:49:07.000000000 +0200
+++ linux.dev/arch/mips/mm/c-r4k.c 2005-06-03 12:11:13.000000000 +0200
@@ -51,6 +51,7 @@
#define cpu_is_r4600_v1_x() ((read_c0_prid() & 0xfffffff0) == 0x2010)
#define cpu_is_r4600_v2_x() ((read_c0_prid() & 0xfffffff0) == 0x2020)
+#ifndef CONFIG_BCM4710
#define R4600_HIT_CACHEOP_WAR_IMPL \
do { \
if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) \
@@ -58,11 +59,17 @@
if (R4600_V1_HIT_CACHEOP_WAR) \
__asm__ __volatile__("nop;nop;nop;nop"); \
} while (0)
+#else
+#define R4600_HIT_CACHEOP_WAR_IMPL
+#endif
static void (* r4k_blast_dcache_page)(unsigned long addr);
static inline void r4k_blast_dcache_page_dc32(unsigned long addr)
{
+#ifdef CONFIG_BCM4710
+ BCM4710_FILL_TLB(addr);
+#endif
R4600_HIT_CACHEOP_WAR_IMPL;
blast_dcache32_page(addr);
}
@@ -581,6 +588,10 @@
R4600_HIT_CACHEOP_WAR_IMPL;
a = addr & ~(dc_lsize - 1);
end = (addr + size - 1) & ~(dc_lsize - 1);
+#ifdef CONFIG_BCM4710
+ BCM4710_FILL_TLB(a);
+ BCM4710_FILL_TLB(end);
+#endif
while (1) {
flush_dcache_line(a); /* Hit_Writeback_Inv_D */
if (a == end)