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bcm4710: port a missing part of the cache fixes to linux 2.6

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SVN-Revision: 5163
v19.07.3_mercusys_ac12_duma
Felix Fietkau 18 years ago
parent 071177ca66
commit b3c8e2834b
1 changed files with 51 additions and 33 deletions
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84
target/linux/brcm-2.6/patches/003-bcm4710_cache_fixes.patch
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@ -1,6 +1,6 @@
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 -ur linux.old/arch/mips/kernel/genex.S linux.dev/arch/mips/kernel/genex.S
--- linux.old/arch/mips/kernel/genex.S 2006-10-16 19:09:36.000000000 +0200
+++ linux.dev/arch/mips/kernel/genex.S 2006-10-16 19:06:50.000000000 +0200
@@ -73,6 +73,10 @@
.set push
.set mips3
@ -12,10 +12,10 @@ diff -Nur linux-2.6.17/arch/mips/kernel/genex.S linux-2.6.17-owrt/arch/mips/kern
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 -ur linux.old/arch/mips/mm/c-r4k.c linux.dev/arch/mips/mm/c-r4k.c
--- linux.old/arch/mips/mm/c-r4k.c 2006-10-16 19:09:36.000000000 +0200
+++ linux.dev/arch/mips/mm/c-r4k.c 2006-10-16 19:08:46.000000000 +0200
@@ -14,6 +14,15 @@
#include <linux/mm.h>
#include <linux/bitops.h>
@ -23,12 +23,15 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k
+#include "../bcm947xx/include/typedefs.h"
+#include "../bcm947xx/include/sbconfig.h"
+#include "../bcm947xx/include/mipsinc.h"
+#undef MTC0
+#undef MFC0
+#undef cache_op
+#include <asm/paccess.h>
+#endif
#include <asm/bcache.h>
#include <asm/bootinfo.h>
#include <asm/cache.h>
@@ -30,6 +36,9 @@
@@ -30,6 +39,9 @@
#include <asm/cacheflush.h> /* for run_uncached() */
@ -38,7 +41,7 @@ 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 @@
@@ -94,7 +106,9 @@
{
unsigned long dc_lsize = cpu_dcache_line_size();
@ -49,7 +52,7 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k
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 @@
@@ -106,7 +120,9 @@
{
unsigned long dc_lsize = cpu_dcache_line_size();
@ -60,7 +63,7 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k
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 @@
@@ -118,7 +134,9 @@
{
unsigned long dc_lsize = cpu_dcache_line_size();
@ -71,7 +74,17 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k
r4k_blast_dcache = blast_dcache16;
else if (dc_lsize == 32)
r4k_blast_dcache = blast_dcache32;
@@ -683,6 +698,8 @@
@@ -527,6 +545,9 @@
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)
@@ -683,6 +704,8 @@
unsigned long addr = (unsigned long) arg;
R4600_HIT_CACHEOP_WAR_IMPL;
@ -80,7 +93,7 @@ diff -Nur linux-2.6.17/arch/mips/mm/c-r4k.c linux-2.6.17-owrt/arch/mips/mm/c-r4k
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 @@
@@ -1189,6 +1212,16 @@
static inline void coherency_setup(void)
{
change_c0_config(CONF_CM_CMASK, CONF_CM_DEFAULT);
@ -97,7 +110,7 @@ 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 @@
@@ -1227,6 +1260,15 @@
/* Default cache error handler for R4000 and R5000 family */
set_uncached_handler (0x100, &except_vec2_generic, 0x80);
@ -113,9 +126,9 @@ 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
diff -ur linux.old/arch/mips/mm/tlbex.c linux.dev/arch/mips/mm/tlbex.c
--- linux.old/arch/mips/mm/tlbex.c 2006-10-16 19:09:36.000000000 +0200
+++ linux.dev/arch/mips/mm/tlbex.c 2006-10-16 19:06:50.000000000 +0200
@@ -38,6 +38,10 @@
/* #define DEBUG_TLB */
@ -140,9 +153,9 @@ 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 -ur linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kcache.h
--- linux.old/include/asm-mips/r4kcache.h 2006-10-16 19:09:36.000000000 +0200
+++ linux.dev/include/asm-mips/r4kcache.h 2006-10-16 19:09:11.000000000 +0200
@@ -17,6 +17,18 @@
#include <asm/cpu-features.h>
#include <asm/mipsmtregs.h>
@ -281,7 +294,7 @@ 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 +319,7 @@ 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 +330,12 @@ 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 \
}
@ -326,21 +344,21 @@ 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
diff -ur linux.old/include/asm-mips/stackframe.h linux.dev/include/asm-mips/stackframe.h
--- linux.old/include/asm-mips/stackframe.h 2006-10-16 19:09:36.000000000 +0200
+++ linux.dev/include/asm-mips/stackframe.h 2006-10-16 19:06:50.000000000 +0200
@@ -361,6 +361,10 @@
.macro RESTORE_SP_AND_RET
LONG_L sp, PT_R29(sp)

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