add some more mmu fixes for bcm4710

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1203 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/openwrt/target/linux/linux-2.4/patches/brcm/004-bcm94710_mmu.patch b/openwrt/target/linux/linux-2.4/patches/brcm/004-bcm94710_mmu.patch
index c12c08a..5151092 100644 (file)
--- a/openwrt/target/linux/linux-2.4/patches/brcm/004-bcm94710_mmu.patch
+++ b/openwrt/target/linux/linux-2.4/patches/brcm/004-bcm94710_mmu.patch
@@ -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;
        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)