-diff -urN linux.old/arch/mips/kernel/genex.S linux.dev/arch/mips/kernel/genex.S
---- linux.old/arch/mips/kernel/genex.S 2005-12-04 06:10:42.000000000 +0100
-+++ linux.dev/arch/mips/kernel/genex.S 2005-12-18 05:30:48.564937750 +0100
-@@ -72,6 +72,10 @@
+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 -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 2005-12-04 06:10:42.000000000 +0100
-+++ linux.dev/arch/mips/mm/c-r4k.c 2005-12-18 06:08:19.112437750 +0100
-@@ -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 <linux/mm.h>
#include <linux/bitops.h>
-+#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 <asm/paccess.h>
+#endif
-+
#include <asm/bcache.h>
#include <asm/bootinfo.h>
#include <asm/cache.h>
-@@ -29,6 +35,9 @@
- #include <asm/war.h>
+@@ -29,6 +38,9 @@
#include <asm/cacheflush.h> /* for run_uncached() */
+
+/* For enabling BCM4710 cache workarounds */
+int bcm4710 = 0;
+
/*
- * Must die.
- */
-@@ -73,7 +82,9 @@
+ * Special Variant of smp_call_function for use by cache functions:
+ *
+@@ -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;
-@@ -85,7 +96,9 @@
++ 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;
-@@ -97,7 +110,9 @@
++ 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;
-@@ -486,6 +501,9 @@
- addr = start & ~(dc_lsize - 1);
- aend = (end - 1) & ~(dc_lsize - 1);
-
-+ BCM4710_PROTECTED_FILL_TLB(addr);
-+ BCM4710_PROTECTED_FILL_TLB(aend);
++ 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);
+
- while (1) {
- /* Hit_Writeback_Inv_D */
- protected_writeback_dcache_line(addr);
-@@ -657,6 +675,10 @@
- R4600_HIT_CACHEOP_WAR_IMPL;
- a = addr & ~(dc_lsize - 1);
- end = (addr + size - 1) & ~(dc_lsize - 1);
-+
-+ BCM4710_FILL_TLB(a);
-+ BCM4710_FILL_TLB(end);
-+
- while (1) {
- flush_dcache_line(a); /* Hit_Writeback_Inv_D */
- if (a == end)
-@@ -702,6 +724,10 @@
- R4600_HIT_CACHEOP_WAR_IMPL;
- a = addr & ~(dc_lsize - 1);
- end = (addr + size - 1) & ~(dc_lsize - 1);
-+
-+ BCM4710_FILL_TLB(a);
-+ BCM4710_FILL_TLB(end);
-+
- while (1) {
- flush_dcache_line(a); /* Hit_Writeback_Inv_D */
- if (a == end)
-@@ -727,6 +753,8 @@
++ 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 (!cpu_icache_snoops_remote_store)
- protected_writeback_scache_line(addr & ~(sc_lsize - 1));
-@@ -1202,6 +1230,16 @@
- static inline void coherency_setup(void)
+ if (dc_lsize)
+ protected_writeback_dcache_line(addr & ~(dc_lsize - 1));
+ if (!cpu_icache_snoops_remote_store && scache_size)
+@@ -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 */
/*
* c0_status.cu=0 specifies that updates by the sc instruction use
-@@ -1231,6 +1269,15 @@
+@@ -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;
probe_pcache();
setup_scache();
-diff -urN linux.old/arch/mips/mm/tlbex.c linux.dev/arch/mips/mm/tlbex.c
---- linux.old/arch/mips/mm/tlbex.c 2005-12-15 12:57:27.945158000 +0100
-+++ linux.dev/arch/mips/mm/tlbex.c 2005-12-18 06:06:17.916863500 +0100
-@@ -28,6 +28,10 @@
-
- /* #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. */
-@@ -1152,6 +1156,12 @@
+ 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);
+ }
/*
* create the plain linear handler
*/
-diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kcache.h
---- linux.old/include/asm-mips/r4kcache.h 2005-12-17 22:39:19.281320000 +0100
-+++ linux.dev/include/asm-mips/r4kcache.h 2005-12-18 05:22:06.020280750 +0100
-@@ -15,6 +15,18 @@
- #include <asm/asm.h>
- #include <asm/cacheops.h>
+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 <asm/cpu-features.h>
+ #include <asm/mipsmtregs.h>
-+#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))
/*
* This macro return a properly sign-extended address suitable as base address
* for indexed cache operations. Two issues here:
-@@ -45,6 +57,7 @@
-
+@@ -150,6 +162,7 @@
static inline void flush_dcache_line_indexed(unsigned long addr)
{
+ __dflush_prologue
+ BCM4710_DUMMY_RREG();
cache_op(Index_Writeback_Inv_D, addr);
+ __dflush_epilogue
}
-
-@@ -60,11 +73,13 @@
-
+@@ -169,6 +182,7 @@
static inline void flush_dcache_line(unsigned long addr)
{
+ __dflush_prologue
+ BCM4710_DUMMY_RREG();
cache_op(Hit_Writeback_Inv_D, addr);
+ __dflush_epilogue
}
-
+@@ -176,6 +190,7 @@
static inline void invalidate_dcache_line(unsigned long addr)
{
+ __dflush_prologue
+ BCM4710_DUMMY_RREG();
cache_op(Hit_Invalidate_D, addr);
+ __dflush_epilogue
+ }
+@@ -208,6 +223,7 @@
+ */
+ static inline void protected_flush_icache_line(unsigned long addr)
+ {
++ BCM4710_DUMMY_RREG();
+ protected_cache_op(Hit_Invalidate_I, addr);
}
-@@ -104,6 +119,7 @@
+@@ -219,6 +235,7 @@
*/
static inline void protected_writeback_dcache_line(unsigned long addr)
{
+ BCM4710_DUMMY_RREG();
- __asm__ __volatile__(
- " .set push \n"
- " .set noreorder \n"
-@@ -166,6 +182,49 @@
+ protected_cache_op(Hit_Writeback_Inv_D, addr);
+ }
+
+@@ -339,8 +356,52 @@
: "r" (base), \
"i" (op));
+ }
+}
+
- static inline void blast_dcache16(void)
- {
- unsigned long start = INDEX_BASE;
-@@ -213,7 +272,8 @@
- unsigned long ws_end = current_cpu_data.icache.ways <<
- current_cpu_data.icache.waybit;
- unsigned long ws, addr;
--
-+
-+ BCM4710_FILL_TLB(start);
- for (ws = 0; ws < ws_end; ws += ws_inc)
- for (addr = start; addr < end; addr += 0x200)
- cache16_unroll32(addr|ws,Index_Invalidate_I);
-@@ -357,6 +417,7 @@
- current_cpu_data.icache.waybit;
- unsigned long ws, addr;
++
+ /* build blast_xxx, blast_xxx_page, blast_xxx_page_indexed */
+-#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize) \
++#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, war) \
+ static inline void blast_##pfx##cache##lsize(void) \
+ { \
+ unsigned long start = INDEX_BASE; \
+@@ -352,6 +413,7 @@
+ \
+ __##pfx##flush_prologue \
+ \
++ war \
+ for (ws = 0; ws < ws_end; ws += ws_inc) \
+ for (addr = start; addr < end; addr += lsize * 32) \
+ cache##lsize##_unroll32(addr|ws,indexop); \
+@@ -366,6 +428,7 @@
+ \
+ __##pfx##flush_prologue \
+ \
++ war \
+ do { \
+ cache##lsize##_unroll32(start,hitop); \
+ start += lsize * 32; \
+@@ -384,6 +447,8 @@
+ current_cpu_data.desc.waybit; \
+ unsigned long ws, addr; \
+ \
++ war \
++ \
+ __##pfx##flush_prologue \
+ \
+ for (ws = 0; ws < ws_end; ws += ws_inc) \
+@@ -393,28 +458,30 @@
+ __##pfx##flush_epilogue \
+ }
-+ BCM4710_FILL_TLB(start);
- for (ws = 0; ws < ws_end; ws += ws_inc)
- for (addr = start; addr < end; addr += 0x400)
- cache32_unroll32(addr|ws,Index_Invalidate_I);
-@@ -471,6 +532,7 @@
- unsigned long start = page;
- unsigned long end = start + PAGE_SIZE;
+-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16)
+-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128)
++__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, )
++__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64, )
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128, )
-+ BCM4710_FILL_TLB(start);
- do {
- cache64_unroll32(start,Hit_Invalidate_I);
- 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 2005-12-04 06:10:42.000000000 +0100
-+++ linux.dev/include/asm-mips/stackframe.h 2005-12-18 05:33:02.405302250 +0100
-@@ -285,6 +285,10 @@
+ /* 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, war2) \
+ static inline void prot##blast_##pfx##cache##_range(unsigned long start, \
+ unsigned long end) \
+ { \
+ unsigned long lsize = cpu_##desc##_line_size(); \
+ unsigned long addr = start & ~(lsize - 1); \
+ unsigned long aend = (end - 1) & ~(lsize - 1); \
++ war \
+ \
+ __##pfx##flush_prologue \
+ \
+ while (1) { \
++ war2 \
+ prot##cache_op(hitop, addr); \
+ if (addr == aend) \
+ break; \
+@@ -424,13 +491,13 @@
+ __##pfx##flush_epilogue \
+ }
+
+-__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_)
+-__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, )
+-__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,,,BCM4710_DUMMY_RREG();)
++__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD,,, )
+
+ #endif /* _ASM_R4KCACHE_H */
+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
projects / openwrt.git / blobdiff