diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2005-06-11 15:37:23 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2005-06-11 15:37:23 +0000 |
| commit | 490ff43389d79bc57237608efcf2a09bf41b53f0 (patch) | |
| tree | 8ed90bab80c14d3be2346b7aa2367364788833d0 /openwrt/target/linux/linux-2.4/patches | |
| parent | 4b5c94b6556dbfaa4dd9ff5b31066fa9a4709bd3 (diff) | |
add some more mmu fixes for bcm4710
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1203 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'openwrt/target/linux/linux-2.4/patches')
| -rw-r--r-- | openwrt/target/linux/linux-2.4/patches/brcm/004-bcm94710_mmu.patch | 40 |
1 files changed, 40 insertions, 0 deletions
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 c12c08aa7..515109237 100644 --- 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; +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) |