From 490ff43389d79bc57237608efcf2a09bf41b53f0 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 11 Jun 2005 15:37:23 +0000
Subject: add some more mmu fixes for bcm4710
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1203 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../linux-2.4/patches/brcm/004-bcm94710_mmu.patch | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
(limited to 'openwrt/target')
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)
--
cgit v1.2.3