X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/d1d400f1ad0e8d557290e16b9871839f202624c4..99b14991d61b0bda219168d5893961621b09ac35:/target/linux/brcm-2.6/patches/003-bcm4710_cache_fixes.patch diff --git a/target/linux/brcm-2.6/patches/003-bcm4710_cache_fixes.patch b/target/linux/brcm-2.6/patches/003-bcm4710_cache_fixes.patch index c8a08eb92..d9e4dd78b 100644 --- a/target/linux/brcm-2.6/patches/003-bcm4710_cache_fixes.patch +++ b/target/linux/brcm-2.6/patches/003-bcm4710_cache_fixes.patch @@ -1,34 +1,37 @@ -diff -Nur linux-2.6.17/arch/mips/kernel/genex.S linux-2.6.17-owrt/arch/mips/kernel/genex.S ---- linux-2.6.17/arch/mips/kernel/genex.S 2006-06-18 03:49:35.000000000 +0200 -+++ linux-2.6.17-owrt/arch/mips/kernel/genex.S 2006-06-18 15:36:58.000000000 +0200 +diff -urN linux-2.6.19.ref/arch/mips/kernel/genex.S linux-2.6.19/arch/mips/kernel/genex.S +--- linux-2.6.19.ref/arch/mips/kernel/genex.S 2006-11-29 22:57:37.000000000 +0100 ++++ linux-2.6.19/arch/mips/kernel/genex.S 2006-12-04 21:34:09.000000000 +0100 @@ -73,6 +73,10 @@ .set push .set mips3 .set noat -+#ifdef CONFIG_BCM4710 ++#ifdef CONFIG_BCM947XX + nop + nop +#endif mfc0 k1, CP0_CAUSE li k0, 31<<2 andi k1, k1, 0x7c -diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k.c ---- linux-2.6.17/arch/mips/mm/c-r4k.c 2006-06-18 03:49:35.000000000 +0200 -+++ linux-2.6.17-owrt/arch/mips/mm/c-r4k.c 2006-06-18 15:36:58.000000000 +0200 -@@ -14,6 +14,12 @@ +diff -urN linux-2.6.19.ref/arch/mips/mm/c-r4k.c linux-2.6.19/arch/mips/mm/c-r4k.c +--- linux-2.6.19.ref/arch/mips/mm/c-r4k.c 2006-12-04 21:34:04.000000000 +0100 ++++ linux-2.6.19/arch/mips/mm/c-r4k.c 2006-12-04 21:34:09.000000000 +0100 +@@ -13,6 +13,15 @@ #include #include -+#ifdef CONFIG_BCM4710 ++#ifdef CONFIG_BCM947XX +#include "../bcm947xx/include/typedefs.h" +#include "../bcm947xx/include/sbconfig.h" ++#include "../bcm947xx/include/mipsinc.h" ++#undef MTC0 ++#undef MFC0 ++#undef cache_op +#include +#endif -+ #include #include #include -@@ -30,6 +36,9 @@ +@@ -29,6 +38,9 @@ #include /* for run_uncached() */ @@ -38,53 +41,60 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k /* * Special Variant of smp_call_function for use by cache functions: * -@@ -94,7 +103,9 @@ +@@ -93,6 +105,9 @@ { unsigned long dc_lsize = cpu_dcache_line_size(); -- if (dc_lsize == 16) + if (bcm4710) + r4k_blast_dcache_page = blast_dcache_page; -+ else if (dc_lsize == 16) - r4k_blast_dcache_page = blast_dcache16_page; - else if (dc_lsize == 32) - r4k_blast_dcache_page = r4k_blast_dcache_page_dc32; -@@ -106,7 +117,9 @@ ++ else + if (dc_lsize == 0) + r4k_blast_dcache_page = (void *)cache_noop; + else if (dc_lsize == 16) +@@ -107,6 +122,9 @@ { unsigned long dc_lsize = cpu_dcache_line_size(); -- if (dc_lsize == 16) + if (bcm4710) + r4k_blast_dcache_page_indexed = blast_dcache_page_indexed; -+ else if (dc_lsize == 16) - r4k_blast_dcache_page_indexed = blast_dcache16_page_indexed; - else if (dc_lsize == 32) - r4k_blast_dcache_page_indexed = blast_dcache32_page_indexed; -@@ -118,7 +131,9 @@ ++ else + if (dc_lsize == 0) + r4k_blast_dcache_page_indexed = (void *)cache_noop; + else if (dc_lsize == 16) +@@ -121,6 +139,9 @@ { unsigned long dc_lsize = cpu_dcache_line_size(); -- if (dc_lsize == 16) + if (bcm4710) + r4k_blast_dcache = blast_dcache; -+ else if (dc_lsize == 16) - r4k_blast_dcache = blast_dcache16; - else if (dc_lsize == 32) - r4k_blast_dcache = blast_dcache32; -@@ -683,6 +698,8 @@ ++ else + if (dc_lsize == 0) + r4k_blast_dcache = (void *)cache_noop; + else if (dc_lsize == 16) +@@ -538,6 +559,9 @@ + r4k_blast_icache(); + else + protected_blast_icache_range(start, end); ++ ++ if (bcm4710) ++ r4k_flush_cache_all(); + } + + static void r4k_flush_icache_range(unsigned long start, unsigned long end) +@@ -618,6 +642,8 @@ unsigned long addr = (unsigned long) arg; R4600_HIT_CACHEOP_WAR_IMPL; + BCM4710_PROTECTED_FILL_TLB(addr); + BCM4710_PROTECTED_FILL_TLB(addr + 4); - protected_writeback_dcache_line(addr & ~(dc_lsize - 1)); + if (dc_lsize) + protected_writeback_dcache_line(addr & ~(dc_lsize - 1)); if (!cpu_icache_snoops_remote_store && scache_size) - protected_writeback_scache_line(addr & ~(sc_lsize - 1)); -@@ -1189,6 +1206,16 @@ - static inline void coherency_setup(void) +@@ -1135,6 +1161,16 @@ + static void __init coherency_setup(void) { change_c0_config(CONF_CM_CMASK, CONF_CM_DEFAULT); -+#if defined(CONFIG_BCM4310) || defined(CONFIG_BCM4704) || defined(CONFIG_BCM5365) ++#ifdef CONFIG_BCM947XX + if (BCM330X(current_cpu_data.processor_id)) { + __u32 cm = read_c0_diag(); + /* Enable icache */ @@ -97,13 +107,13 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k /* * c0_status.cu=0 specifies that updates by the sc instruction use -@@ -1227,6 +1254,15 @@ +@@ -1173,6 +1209,15 @@ /* Default cache error handler for R4000 and R5000 family */ set_uncached_handler (0x100, &except_vec2_generic, 0x80); + + /* Check if special workarounds are required */ -+#ifdef CONFIG_BCM4710 ++#ifdef CONFIG_BCM947XX + if (current_cpu_data.cputype == CPU_BCM4710 && (current_cpu_data.processor_id & 0xff) == 0) { + printk("Enabling BCM4710A0 cache workarounds.\n"); + bcm4710 = 1; @@ -113,25 +123,25 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k probe_pcache(); setup_scache(); -diff -Nur linux-2.6.17/arch/mips/mm/tlbex.c linux-2.6.17-owrt/arch/mips/mm/tlbex.c ---- linux-2.6.17/arch/mips/mm/tlbex.c 2006-06-18 15:34:19.000000000 +0200 -+++ linux-2.6.17-owrt/arch/mips/mm/tlbex.c 2006-06-18 15:36:58.000000000 +0200 -@@ -38,6 +38,10 @@ - - /* #define DEBUG_TLB */ +diff -urN linux-2.6.19.ref/arch/mips/mm/tlbex.c linux-2.6.19/arch/mips/mm/tlbex.c +--- linux-2.6.19.ref/arch/mips/mm/tlbex.c 2006-12-04 21:33:48.000000000 +0100 ++++ linux-2.6.19/arch/mips/mm/tlbex.c 2006-12-04 21:34:09.000000000 +0100 +@@ -1174,6 +1174,10 @@ + #endif + } -+#ifdef CONFIG_BCM4710 ++#ifdef CONFIG_BCM947XX +extern int bcm4710; +#endif + - static __init int __attribute__((unused)) r45k_bvahwbug(void) + static void __init build_r4000_tlb_refill_handler(void) { - /* XXX: We should probe for the presence of this bug, but we don't. */ -@@ -1184,6 +1188,12 @@ + u32 *p = tlb_handler; +@@ -1188,6 +1192,12 @@ memset(relocs, 0, sizeof(relocs)); memset(final_handler, 0, sizeof(final_handler)); -+#ifdef CONFIG_BCM4710 ++#ifdef CONFIG_BCM947XX + if (bcm4710) { + i_nop(&p); + } @@ -140,14 +150,14 @@ diff -Nur linux-2.6.17/arch/mips/mm/tlbex.c linux-2.6.17-owrt/arch/mips/mm/tlbex /* * create the plain linear handler */ -diff -Nur linux-2.6.17/include/asm-mips/r4kcache.h linux-2.6.17-owrt/include/asm-mips/r4kcache.h ---- linux-2.6.17/include/asm-mips/r4kcache.h 2006-06-18 03:49:35.000000000 +0200 -+++ linux-2.6.17-owrt/include/asm-mips/r4kcache.h 2006-06-18 15:56:57.000000000 +0200 +diff -urN linux-2.6.19.ref/include/asm-mips/r4kcache.h linux-2.6.19/include/asm-mips/r4kcache.h +--- linux-2.6.19.ref/include/asm-mips/r4kcache.h 2006-11-29 22:57:37.000000000 +0100 ++++ linux-2.6.19/include/asm-mips/r4kcache.h 2006-12-04 21:34:09.000000000 +0100 @@ -17,6 +17,18 @@ #include #include -+#ifdef CONFIG_BCM4710 ++#ifdef CONFIG_BCM947XX +#define BCM4710_DUMMY_RREG() (((sbconfig_t *)(KSEG1ADDR(SB_ENUM_BASE + SBCONFIGOFF)))->sbimstate) + +#define BCM4710_FILL_TLB(addr) (*(volatile unsigned long *)(addr)) @@ -281,7 +291,7 @@ diff -Nur linux-2.6.17/include/asm-mips/r4kcache.h linux-2.6.17-owrt/include/asm __##pfx##flush_prologue \ \ for (ws = 0; ws < ws_end; ws += ws_inc) \ -@@ -393,24 +458,25 @@ +@@ -393,28 +458,30 @@ __##pfx##flush_epilogue \ } @@ -306,7 +316,7 @@ diff -Nur linux-2.6.17/include/asm-mips/r4kcache.h linux-2.6.17-owrt/include/asm /* build blast_xxx_range, protected_blast_xxx_range */ -#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot) \ -+#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, war) \ ++#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, war, war2) \ static inline void prot##blast_##pfx##cache##_range(unsigned long start, \ unsigned long end) \ { \ @@ -317,7 +327,12 @@ diff -Nur linux-2.6.17/include/asm-mips/r4kcache.h linux-2.6.17-owrt/include/asm \ __##pfx##flush_prologue \ \ -@@ -424,13 +490,13 @@ + while (1) { \ ++ war2 \ + prot##cache_op(hitop, addr); \ + if (addr == aend) \ + break; \ +@@ -424,13 +491,13 @@ __##pfx##flush_epilogue \ } @@ -326,26 +341,26 @@ diff -Nur linux-2.6.17/include/asm-mips/r4kcache.h linux-2.6.17-owrt/include/asm -__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_) -__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, ) -__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, ) -+__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, BCM4710_PROTECTED_FILL_TLB(addr); BCM4710_PROTECTED_FILL_TLB(aend);) -+__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, ) -+__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_, ) -+__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, , BCM4710_FILL_TLB(addr); BCM4710_FILL_TLB(aend);) -+__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, , ) ++__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, BCM4710_PROTECTED_FILL_TLB(addr); BCM4710_PROTECTED_FILL_TLB(aend);, BCM4710_DUMMY_RREG();) ++__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_,, ) ++__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_,, ) ++__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D,, BCM4710_FILL_TLB(addr); BCM4710_FILL_TLB(aend);, BCM4710_DUMMY_RREG();) ++__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD,,, ) /* blast_inv_dcache_range */ -__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D, ) -__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD, ) -+__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D, , ) -+__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD, , ) ++__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D,,,BCM4710_DUMMY_RREG();) ++__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD,,, ) #endif /* _ASM_R4KCACHE_H */ -diff -Nur linux-2.6.17/include/asm-mips/stackframe.h linux-2.6.17-owrt/include/asm-mips/stackframe.h ---- linux-2.6.17/include/asm-mips/stackframe.h 2006-06-18 03:49:35.000000000 +0200 -+++ linux-2.6.17-owrt/include/asm-mips/stackframe.h 2006-06-18 15:36:58.000000000 +0200 -@@ -361,6 +361,10 @@ +diff -urN linux-2.6.19.ref/include/asm-mips/stackframe.h linux-2.6.19/include/asm-mips/stackframe.h +--- linux-2.6.19.ref/include/asm-mips/stackframe.h 2006-11-29 22:57:37.000000000 +0100 ++++ linux-2.6.19/include/asm-mips/stackframe.h 2006-12-04 21:34:09.000000000 +0100 +@@ -334,6 +334,10 @@ .macro RESTORE_SP_AND_RET LONG_L sp, PT_R29(sp) .set mips3 -+#ifdef CONFIG_BCM4710 ++#ifdef CONFIG_BCM947XX + nop + nop +#endif