really fix v1 hardware bug now (there was a bug in blast_dcache in the last fix)
SVN-Revision: 1361
This commit is contained in:
parent
6e3cdbe713
commit
5a67a3b1fa
1 changed files with 98 additions and 231 deletions
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@ -1,6 +1,6 @@
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diff -urN linux.old/arch/mips/kernel/entry.S linux.dev/arch/mips/kernel/entry.S
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--- linux.old/arch/mips/kernel/entry.S 2005-07-05 16:46:49.000000000 +0200
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+++ linux.dev/arch/mips/kernel/entry.S 2005-07-05 16:42:36.000000000 +0200
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+++ linux.dev/arch/mips/kernel/entry.S 2005-07-06 11:23:55.000000000 +0200
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@@ -100,6 +100,10 @@
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* and R4400 SC and MC versions.
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*/
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@ -14,7 +14,7 @@ diff -urN linux.old/arch/mips/kernel/entry.S linux.dev/arch/mips/kernel/entry.S
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#endif
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diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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--- linux.old/arch/mips/mm/c-r4k.c 2005-07-05 16:46:49.000000000 +0200
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+++ linux.dev/arch/mips/mm/c-r4k.c 2005-07-05 16:48:47.000000000 +0200
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+++ linux.dev/arch/mips/mm/c-r4k.c 2005-07-06 11:23:55.000000000 +0200
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@@ -14,6 +14,12 @@
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#include <linux/mm.h>
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#include <linux/bitops.h>
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@ -28,15 +28,16 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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#include <asm/bcache.h>
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#include <asm/bootinfo.h>
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#include <asm/cacheops.h>
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@@ -40,6 +46,7 @@
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@@ -40,6 +46,8 @@
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.bc_inv = (void *)no_sc_noop
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};
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+static int bcm4710 = 0;
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+int bcm4710 = 0;
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+EXPORT_SYMBOL(bcm4710);
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struct bcache_ops *bcops = &no_sc_ops;
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#define cpu_is_r4600_v1_x() ((read_c0_prid() & 0xfffffff0) == 0x2010)
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@@ -64,8 +71,10 @@
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@@ -64,8 +72,10 @@
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static inline void r4k_blast_dcache_page_setup(void)
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{
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unsigned long dc_lsize = current_cpu_data.dcache.linesz;
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@ -49,7 +50,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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r4k_blast_dcache_page = blast_dcache16_page;
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else if (dc_lsize == 32)
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r4k_blast_dcache_page = r4k_blast_dcache_page_dc32;
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@@ -77,7 +86,9 @@
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@@ -77,7 +87,9 @@
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{
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unsigned long dc_lsize = current_cpu_data.dcache.linesz;
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@ -60,7 +61,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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r4k_blast_dcache_page_indexed = blast_dcache16_page_indexed;
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else if (dc_lsize == 32)
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r4k_blast_dcache_page_indexed = blast_dcache32_page_indexed;
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@@ -89,7 +100,9 @@
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@@ -89,7 +101,9 @@
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{
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unsigned long dc_lsize = current_cpu_data.dcache.linesz;
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@ -71,7 +72,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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r4k_blast_dcache = blast_dcache16;
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else if (dc_lsize == 32)
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r4k_blast_dcache = blast_dcache32;
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@@ -266,6 +279,7 @@
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@@ -266,6 +280,7 @@
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r4k_blast_dcache();
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r4k_blast_icache();
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@ -79,7 +80,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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switch (current_cpu_data.cputype) {
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case CPU_R4000SC:
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case CPU_R4000MC:
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@@ -304,10 +318,10 @@
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@@ -304,10 +319,10 @@
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* Kludge alert. For obscure reasons R4000SC and R4400SC go nuts if we
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* only flush the primary caches but R10000 and R12000 behave sane ...
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*/
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@ -92,7 +93,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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r4k_blast_scache();
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}
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@@ -383,12 +397,15 @@
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@@ -383,12 +398,15 @@
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unsigned long ic_lsize = current_cpu_data.icache.linesz;
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unsigned long addr, aend;
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@ -110,7 +111,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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while (1) {
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/* Hit_Writeback_Inv_D */
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@@ -403,8 +420,6 @@
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@@ -403,8 +421,6 @@
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if (end - start > icache_size)
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r4k_blast_icache();
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else {
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@ -119,7 +120,17 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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while (1) {
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/* Hit_Invalidate_I */
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protected_flush_icache_line(addr);
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@@ -443,7 +458,8 @@
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@@ -413,6 +429,9 @@
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addr += ic_lsize;
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}
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}
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+
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+ if (bcm4710)
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+ flush_cache_all();
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}
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/*
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@@ -443,7 +462,8 @@
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if (cpu_has_subset_pcaches) {
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unsigned long addr = (unsigned long) page_address(page);
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@ -129,7 +140,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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ClearPageDcacheDirty(page);
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return;
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@@ -451,6 +467,7 @@
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@@ -451,6 +471,7 @@
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if (!cpu_has_ic_fills_f_dc) {
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unsigned long addr = (unsigned long) page_address(page);
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@ -137,7 +148,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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r4k_blast_dcache_page(addr);
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ClearPageDcacheDirty(page);
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}
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@@ -477,7 +494,7 @@
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@@ -477,7 +498,7 @@
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/* Catch bad driver code */
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BUG_ON(size == 0);
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@ -146,7 +157,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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unsigned long sc_lsize = current_cpu_data.scache.linesz;
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if (size >= scache_size) {
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@@ -509,6 +526,8 @@
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@@ -509,6 +530,8 @@
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R4600_HIT_CACHEOP_WAR_IMPL;
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a = addr & ~(dc_lsize - 1);
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end = (addr + size - 1) & ~(dc_lsize - 1);
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@ -155,7 +166,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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while (1) {
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flush_dcache_line(a); /* Hit_Writeback_Inv_D */
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if (a == end)
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@@ -527,7 +546,7 @@
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@@ -527,7 +550,7 @@
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/* Catch bad driver code */
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BUG_ON(size == 0);
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@ -164,7 +175,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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unsigned long sc_lsize = current_cpu_data.scache.linesz;
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if (size >= scache_size) {
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@@ -554,6 +573,8 @@
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@@ -554,6 +577,8 @@
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R4600_HIT_CACHEOP_WAR_IMPL;
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a = addr & ~(dc_lsize - 1);
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end = (addr + size - 1) & ~(dc_lsize - 1);
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@ -173,7 +184,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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while (1) {
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flush_dcache_line(a); /* Hit_Writeback_Inv_D */
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if (a == end)
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@@ -577,6 +598,8 @@
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@@ -577,6 +602,8 @@
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unsigned long dc_lsize = current_cpu_data.dcache.linesz;
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R4600_HIT_CACHEOP_WAR_IMPL;
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@ -182,7 +193,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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protected_writeback_dcache_line(addr & ~(dc_lsize - 1));
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protected_flush_icache_line(addr & ~(ic_lsize - 1));
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if (MIPS4K_ICACHE_REFILL_WAR) {
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@@ -986,10 +1009,12 @@
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@@ -986,10 +1013,12 @@
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case CPU_R4000MC:
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case CPU_R4400SC:
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case CPU_R4400MC:
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@ -199,7 +210,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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break;
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case CPU_R10000:
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@@ -1041,6 +1066,19 @@
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@@ -1041,6 +1070,19 @@
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static inline void coherency_setup(void)
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{
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change_c0_config(CONF_CM_CMASK, CONF_CM_DEFAULT);
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@ -219,50 +230,7 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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/*
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* c0_status.cu=0 specifies that updates by the sc instruction use
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@@ -1062,6 +1100,42 @@
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}
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+#ifdef CONFIG_BCM4704
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+static void __init mips32_icache_fill(unsigned long addr, uint nbytes)
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+{
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+ unsigned long ic_lsize = current_cpu_data.icache.linesz;
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+ int i;
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+ for (i = 0; i < nbytes; i += ic_lsize)
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+ fill_icache_line((addr + i));
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+}
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+
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+/*
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+ * This must be run from the cache on 4704A0
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+ * so there are no mips core BIU ops in progress
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+ * when the PFC is enabled.
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+ */
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+#define PFC_CR0 0xff400000 /* control reg 0 */
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+#define PFC_CR1 0xff400004 /* control reg 1 */
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+static void __init enable_pfc(u32 mode)
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+{
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+ /* write range */
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+ *(volatile u32 *)PFC_CR1 = 0xffff0000;
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+
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+ /* enable */
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+ *(volatile u32 *)PFC_CR0 = mode;
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+}
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+
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+void check_enable_mips_pfc(int val)
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+{
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+ /* enable prefetch cache */
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+ if (BCM330X(current_cpu_data.processor_id)
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+ && (read_c0_diag() & (1 << 29))) {
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+ mips32_icache_fill((unsigned long) &enable_pfc, 64);
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+ enable_pfc(val);
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+ }
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+}
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+#endif
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+
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void __init ld_mmu_r4xx0(void)
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{
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extern void build_clear_page(void);
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@@ -1073,6 +1147,12 @@
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@@ -1073,6 +1115,12 @@
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memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80);
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memcpy((void *)(KSEG1 + 0x100), &except_vec2_generic, 0x80);
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@ -275,118 +243,9 @@ diff -urN linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
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probe_pcache();
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setup_scache();
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@@ -1117,47 +1197,9 @@
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build_clear_page();
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build_copy_page();
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-}
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-
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-#ifdef CONFIG_BCM4704
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-static void __init mips32_icache_fill(unsigned long addr, uint nbytes)
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-{
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- unsigned long ic_lsize = current_cpu_data.icache.linesz;
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- int i;
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- for (i = 0; i < nbytes; i += ic_lsize)
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- fill_icache_line((addr + i));
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-}
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-
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-/*
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- * This must be run from the cache on 4704A0
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- * so there are no mips core BIU ops in progress
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- * when the PFC is enabled.
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- */
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-#define PFC_CR0 0xff400000 /* control reg 0 */
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-#define PFC_CR1 0xff400004 /* control reg 1 */
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-static void __init enable_pfc(u32 mode)
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-{
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- /* write range */
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- *(volatile u32 *)PFC_CR1 = 0xffff0000;
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-
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- /* enable */
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- *(volatile u32 *)PFC_CR0 = mode;
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-}
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-#endif
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-
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-
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-void check_enable_mips_pfc(int val)
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-{
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-
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+
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#ifdef CONFIG_BCM4704
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- struct cpuinfo_mips *c = ¤t_cpu_data;
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-
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- /* enable prefetch cache */
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- if (((c->processor_id & (PRID_COMP_MASK | PRID_IMP_MASK)) == PRID_IMP_BCM3302)
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- && (read_c0_diag() & (1 << 29))) {
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- mips32_icache_fill((unsigned long) &enable_pfc, 64);
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- enable_pfc(val);
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- }
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+ check_enable_mips_pfc(0x15);
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#endif
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}
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diff -urN linux.old/arch/mips/mm/tlb-r4k.c linux.dev/arch/mips/mm/tlb-r4k.c
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--- linux.old/arch/mips/mm/tlb-r4k.c 2005-07-05 16:46:49.000000000 +0200
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+++ linux.dev/arch/mips/mm/tlb-r4k.c 2005-07-05 16:42:36.000000000 +0200
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@@ -38,6 +38,7 @@
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old_ctx = read_c0_entryhi();
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write_c0_entrylo0(0);
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write_c0_entrylo1(0);
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+ BARRIER;
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entry = read_c0_wired();
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@@ -47,6 +48,7 @@
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write_c0_index(entry);
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mtc0_tlbw_hazard();
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tlb_write_indexed();
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+ BARRIER;
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entry++;
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}
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tlbw_use_hazard();
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@@ -98,6 +100,7 @@
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write_c0_entryhi(KSEG0 + idx*0x2000);
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mtc0_tlbw_hazard();
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tlb_write_indexed();
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+ BARRIER;
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}
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tlbw_use_hazard();
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write_c0_entryhi(oldpid);
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@@ -136,6 +139,7 @@
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tlbw_use_hazard();
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finish:
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+ BARRIER;
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write_c0_entryhi(oldpid);
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local_irq_restore(flags);
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}
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@@ -204,6 +208,7 @@
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pmdp = pmd_offset(pgdp, address);
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idx = read_c0_index();
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ptep = pte_offset(pmdp, address);
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+ BARRIER;
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#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
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write_c0_entrylo0(ptep->pte_high);
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ptep++;
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@@ -220,6 +225,7 @@
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tlb_write_indexed();
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tlbw_use_hazard();
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write_c0_entryhi(pid);
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+ BARRIER;
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local_irq_restore(flags);
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}
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@@ -317,6 +323,7 @@
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}
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write_c0_index(temp_tlb_entry);
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+ BARRIER;
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write_c0_pagemask(pagemask);
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write_c0_entryhi(entryhi);
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write_c0_entrylo0(entrylo0);
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diff -urN linux.old/arch/mips/mm/tlbex-mips32.S linux.dev/arch/mips/mm/tlbex-mips32.S
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--- linux.old/arch/mips/mm/tlbex-mips32.S 2005-07-05 16:46:49.000000000 +0200
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+++ linux.dev/arch/mips/mm/tlbex-mips32.S 2005-07-05 16:42:36.000000000 +0200
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+++ linux.dev/arch/mips/mm/tlbex-mips32.S 2005-07-06 11:23:56.000000000 +0200
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@@ -90,6 +90,9 @@
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.set noat
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LEAF(except_vec0_r4000)
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@ -399,7 +258,7 @@ diff -urN linux.old/arch/mips/mm/tlbex-mips32.S linux.dev/arch/mips/mm/tlbex-mip
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la k0, pgd_current
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diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kcache.h
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--- linux.old/include/asm-mips/r4kcache.h 2005-07-05 16:46:49.000000000 +0200
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+++ linux.dev/include/asm-mips/r4kcache.h 2005-07-05 16:42:36.000000000 +0200
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+++ linux.dev/include/asm-mips/r4kcache.h 2005-07-06 12:52:57.000000000 +0200
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@@ -15,6 +15,18 @@
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#include <asm/asm.h>
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#include <asm/cacheops.h>
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@ -419,15 +278,35 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
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#define cache_op(op,addr) \
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__asm__ __volatile__( \
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" .set noreorder \n" \
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@@ -32,6 +44,7 @@
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@@ -27,12 +39,25 @@
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static inline void flush_icache_line_indexed(unsigned long addr)
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{
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- cache_op(Index_Invalidate_I, addr);
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+ unsigned int way;
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+ unsigned long ws_inc = 1UL << current_cpu_data.dcache.waybit;
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+
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+ for (way = 0; way < current_cpu_data.dcache.ways; way++) {
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+ cache_op(Index_Invalidate_I, addr);
|
||||
+ addr += ws_inc;
|
||||
+ }
|
||||
}
|
||||
|
||||
static inline void flush_dcache_line_indexed(unsigned long addr)
|
||||
{
|
||||
+ BCM4710_DUMMY_RREG();
|
||||
cache_op(Index_Writeback_Inv_D, addr);
|
||||
- cache_op(Index_Writeback_Inv_D, addr);
|
||||
+ unsigned int way;
|
||||
+ unsigned long ws_inc = 1UL << current_cpu_data.dcache.waybit;
|
||||
+
|
||||
+ for (way = 0; way < current_cpu_data.dcache.ways; way++) {
|
||||
+ BCM4710_DUMMY_RREG();
|
||||
+ cache_op(Index_Writeback_Inv_D, addr);
|
||||
+ addr += ws_inc;
|
||||
+ }
|
||||
}
|
||||
|
||||
@@ -47,6 +60,7 @@
|
||||
static inline void flush_scache_line_indexed(unsigned long addr)
|
||||
@@ -47,6 +72,7 @@
|
||||
|
||||
static inline void flush_dcache_line(unsigned long addr)
|
||||
{
|
||||
|
@ -435,7 +314,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
cache_op(Hit_Writeback_Inv_D, addr);
|
||||
}
|
||||
|
||||
@@ -91,6 +105,7 @@
|
||||
@@ -91,6 +117,7 @@
|
||||
*/
|
||||
static inline void protected_writeback_dcache_line(unsigned long addr)
|
||||
{
|
||||
|
@ -443,7 +322,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
__asm__ __volatile__(
|
||||
".set noreorder\n\t"
|
||||
".set mips3\n"
|
||||
@@ -138,6 +153,59 @@
|
||||
@@ -138,6 +165,62 @@
|
||||
: "r" (base), \
|
||||
"i" (op));
|
||||
|
||||
|
@ -462,7 +341,8 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
+static inline void blast_dcache(void)
|
||||
+{
|
||||
+ unsigned long start = KSEG0;
|
||||
+ unsigned long end = start + current_cpu_data.dcache.waysize;
|
||||
+ unsigned long dcache_size = current_cpu_data.dcache.waysize * current_cpu_data.dcache.ways;
|
||||
+ unsigned long end = (start + dcache_size);
|
||||
+
|
||||
+ while(start < end) {
|
||||
+ BCM4710_DUMMY_RREG();
|
||||
|
@ -493,17 +373,19 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
+ current_cpu_data.dcache.waybit;
|
||||
+ unsigned long ws, addr;
|
||||
+
|
||||
+ for (ws = 0; ws < ws_end; ws += ws_inc)
|
||||
+ for (addr = start; addr < end; addr += start += current_cpu_data.dcache.linesz) {
|
||||
+ for (ws = 0; ws < ws_end; ws += ws_inc) {
|
||||
+ start = page + ws;
|
||||
+ for (addr = start; addr < end; addr += current_cpu_data.dcache.linesz) {
|
||||
+ BCM4710_DUMMY_RREG();
|
||||
+ cache_unroll(addr,Index_Writeback_Inv_D);
|
||||
+ }
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
static inline void blast_dcache16(void)
|
||||
{
|
||||
unsigned long start = KSEG0;
|
||||
@@ -148,8 +216,9 @@
|
||||
@@ -148,8 +231,9 @@
|
||||
unsigned long ws, addr;
|
||||
|
||||
for (ws = 0; ws < ws_end; ws += ws_inc)
|
||||
|
@ -514,7 +396,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
}
|
||||
|
||||
static inline void blast_dcache16_page(unsigned long page)
|
||||
@@ -173,8 +242,9 @@
|
||||
@@ -173,8 +257,9 @@
|
||||
unsigned long ws, addr;
|
||||
|
||||
for (ws = 0; ws < ws_end; ws += ws_inc)
|
||||
|
@ -525,7 +407,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
}
|
||||
|
||||
static inline void blast_icache16(void)
|
||||
@@ -196,6 +266,7 @@
|
||||
@@ -196,6 +281,7 @@
|
||||
unsigned long start = page;
|
||||
unsigned long end = start + PAGE_SIZE;
|
||||
|
||||
|
@ -533,7 +415,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
do {
|
||||
cache16_unroll32(start,Hit_Invalidate_I);
|
||||
start += 0x200;
|
||||
@@ -281,6 +352,7 @@
|
||||
@@ -281,6 +367,7 @@
|
||||
: "r" (base), \
|
||||
"i" (op));
|
||||
|
||||
|
@ -541,7 +423,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
static inline void blast_dcache32(void)
|
||||
{
|
||||
unsigned long start = KSEG0;
|
||||
@@ -291,8 +363,9 @@
|
||||
@@ -291,8 +378,9 @@
|
||||
unsigned long ws, addr;
|
||||
|
||||
for (ws = 0; ws < ws_end; ws += ws_inc)
|
||||
|
@ -552,7 +434,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
}
|
||||
|
||||
static inline void blast_dcache32_page(unsigned long page)
|
||||
@@ -316,8 +389,9 @@
|
||||
@@ -316,8 +404,9 @@
|
||||
unsigned long ws, addr;
|
||||
|
||||
for (ws = 0; ws < ws_end; ws += ws_inc)
|
||||
|
@ -563,7 +445,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
}
|
||||
|
||||
static inline void blast_icache32(void)
|
||||
@@ -339,6 +413,7 @@
|
||||
@@ -339,6 +428,7 @@
|
||||
unsigned long start = page;
|
||||
unsigned long end = start + PAGE_SIZE;
|
||||
|
||||
|
@ -571,7 +453,7 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
do {
|
||||
cache32_unroll32(start,Hit_Invalidate_I);
|
||||
start += 0x400;
|
||||
@@ -443,6 +518,7 @@
|
||||
@@ -443,6 +533,7 @@
|
||||
unsigned long start = page;
|
||||
unsigned long end = start + PAGE_SIZE;
|
||||
|
||||
|
@ -581,51 +463,36 @@ diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kca
|
|||
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 2005-07-05 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
|
||||
+++ linux.dev/include/asm-mips/stackframe.h 2005-07-06 11:23:56.000000000 +0200
|
||||
@@ -209,6 +209,20 @@
|
||||
|
||||
+#elif defined(CONFIG_BCM4710) || defined(CONFIG_BCM4704)
|
||||
+
|
||||
+#define RESTORE_SOME \
|
||||
+ .set push; \
|
||||
+ .set reorder; \
|
||||
+ mfc0 t0, CP0_STATUS; \
|
||||
+ .set pop; \
|
||||
+ ori t0, 0x1f; \
|
||||
+ xori t0, 0x1f; \
|
||||
+ mtc0 t0, CP0_STATUS; \
|
||||
+ li v1, 0xff00; \
|
||||
+ and t0, v1; \
|
||||
+ lw v0, PT_STATUS(sp); \
|
||||
+ nor v1, $0, v1; \
|
||||
+ and v0, v1; \
|
||||
+ or v0, t0; \
|
||||
+ ori v1, v0, ST0_IE; \
|
||||
+ xori v1, v1, ST0_IE; \
|
||||
+ mtc0 v1, CP0_STATUS; \
|
||||
+ mtc0 v0, CP0_STATUS; \
|
||||
+ lw v1, PT_EPC(sp); \
|
||||
+ mtc0 v1, CP0_EPC; \
|
||||
+ lw $31, PT_R31(sp); \
|
||||
+ lw $28, PT_R28(sp); \
|
||||
+ lw $25, PT_R25(sp); \
|
||||
+ lw $7, PT_R7(sp); \
|
||||
+ lw $6, PT_R6(sp); \
|
||||
+ lw $5, PT_R5(sp); \
|
||||
+ lw $4, PT_R4(sp); \
|
||||
+ lw $3, PT_R3(sp); \
|
||||
+ lw $2, PT_R2(sp)
|
||||
#endif
|
||||
|
||||
+#if defined(CONFIG_BCM4710) || defined(CONFIG_BCM4704)
|
||||
+
|
||||
+#undef RESTORE_SP_AND_RET
|
||||
+#define RESTORE_SP_AND_RET \
|
||||
+ lw sp, PT_R29(sp); \
|
||||
+ nop; \
|
||||
+ nop; \
|
||||
+ .set mips3; \
|
||||
+ nop; \
|
||||
+ nop; \
|
||||
+ eret; \
|
||||
+ .set mips0
|
||||
+
|
||||
#else
|
||||
+#endif
|
||||
+
|
||||
+
|
||||
#define RESTORE_SP \
|
||||
lw sp, PT_R29(sp); \
|
||||
|
||||
#define RESTORE_SOME \
|
||||
diff -urN linux.old/mm/memory.c linux.dev/mm/memory.c
|
||||
--- linux.old/mm/memory.c 2005-04-04 03:42:20.000000000 +0200
|
||||
+++ linux.dev/mm/memory.c 2005-07-06 11:23:56.000000000 +0200
|
||||
@@ -925,6 +925,7 @@
|
||||
flush_page_to_ram(new_page);
|
||||
flush_cache_page(vma, address);
|
||||
establish_pte(vma, address, page_table, pte_mkwrite(pte_mkdirty(mk_pte(new_page, vma->vm_page_prot))));
|
||||
+ flush_icache_page(vma, new_page);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
Loading…
Reference in a new issue