mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-20 15:25:06 +03:00
ba4a86fba5
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1100 3c298f89-4303-0410-b956-a3cf2f4a3e73
148 lines
3.9 KiB
Diff
148 lines
3.9 KiB
Diff
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 2005-05-28 17:42:06.000000000 +0200
|
|
+++ linux.dev/arch/mips/mm/c-r4k.c 2005-05-29 18:26:34.000000000 +0200
|
|
@@ -14,6 +14,12 @@
|
|
#include <linux/mm.h>
|
|
#include <linux/bitops.h>
|
|
|
|
+#ifdef CONFIG_BCM4710
|
|
+#include "../bcm947xx/include/typedefs.h"
|
|
+#include "../bcm947xx/include/sbconfig.h"
|
|
+#include <asm/paccess.h>
|
|
+#endif
|
|
+
|
|
#include <asm/bcache.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/cacheops.h>
|
|
@@ -390,6 +396,11 @@
|
|
addr = start & ~(dc_lsize - 1);
|
|
aend = (end - 1) & ~(dc_lsize - 1);
|
|
|
|
+#ifdef CONFIG_BCM4710
|
|
+ BCM4710_FILL_TLB(addr);
|
|
+ BCM4710_FILL_TLB(aend);
|
|
+#endif
|
|
+
|
|
while (1) {
|
|
/* Hit_Writeback_Inv_D */
|
|
protected_writeback_dcache_line(addr);
|
|
@@ -509,6 +520,10 @@
|
|
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)
|
|
@@ -576,6 +591,10 @@
|
|
unsigned long ic_lsize = current_cpu_data.icache.linesz;
|
|
unsigned long dc_lsize = current_cpu_data.dcache.linesz;
|
|
|
|
+#ifdef CONFIG_BCM4710
|
|
+ BCM4710_PROTECTED_FILL_TLB(addr);
|
|
+ BCM4710_PROTECTED_FILL_TLB(addr + 4);
|
|
+#endif
|
|
R4600_HIT_CACHEOP_WAR_IMPL;
|
|
protected_writeback_dcache_line(addr & ~(dc_lsize - 1));
|
|
protected_flush_icache_line(addr & ~(ic_lsize - 1));
|
|
diff -urN linux.old/include/asm-mips/r4kcache.h linux.dev/include/asm-mips/r4kcache.h
|
|
--- linux.old/include/asm-mips/r4kcache.h 2005-05-28 17:42:06.000000000 +0200
|
|
+++ linux.dev/include/asm-mips/r4kcache.h 2005-05-29 18:34:46.000000000 +0200
|
|
@@ -15,6 +15,25 @@
|
|
#include <asm/asm.h>
|
|
#include <asm/cacheops.h>
|
|
|
|
+#ifdef CONFIG_BCM4710
|
|
+#define BCM4710_DUMMY_RREG() (((sbconfig_t *)(KSEG1ADDR(SB_ENUM_BASE + SBCONFIGOFF)))->sbimstate)
|
|
+
|
|
+#define BCM4710_FILL_TLB(addr) (*(volatile unsigned long *)(addr))
|
|
+#define BCM4710_PROTECTED_FILL_TLB(addr) ({ unsigned long x; get_dbe(x, (volatile unsigned long *)(addr)); })
|
|
+
|
|
+#define cache_op(op,addr) \
|
|
+ BCM4710_DUMMY_RREG(); \
|
|
+ __asm__ __volatile__( \
|
|
+ " .set noreorder \n" \
|
|
+ " .set mips3\n\t \n" \
|
|
+ " cache %0, %1 \n" \
|
|
+ " .set mips0 \n" \
|
|
+ " .set reorder" \
|
|
+ : \
|
|
+ : "i" (op), "m" (*(unsigned char *)(addr)))
|
|
+
|
|
+#else
|
|
+
|
|
#define cache_op(op,addr) \
|
|
__asm__ __volatile__( \
|
|
" .set noreorder \n" \
|
|
@@ -24,6 +43,8 @@
|
|
" .set reorder" \
|
|
: \
|
|
: "i" (op), "m" (*(unsigned char *)(addr)))
|
|
+#endif
|
|
+
|
|
|
|
static inline void flush_icache_line_indexed(unsigned long addr)
|
|
{
|
|
@@ -47,6 +68,10 @@
|
|
|
|
static inline void flush_dcache_line(unsigned long addr)
|
|
{
|
|
+
|
|
+#ifdef CONFIG_BCM4710
|
|
+ BCM4710_DUMMY_RREG();
|
|
+#endif
|
|
cache_op(Hit_Writeback_Inv_D, addr);
|
|
}
|
|
|
|
@@ -196,7 +221,13 @@
|
|
unsigned long start = page;
|
|
unsigned long end = start + PAGE_SIZE;
|
|
|
|
+#ifdef CONFIG_BCM4710
|
|
+ BCM4710_FILL_TLB(start);
|
|
+#endif
|
|
do {
|
|
+#ifdef CONFIG_BCM4710
|
|
+ BCM4710_DUMMY_RREG();
|
|
+#endif
|
|
cache16_unroll32(start,Hit_Invalidate_I);
|
|
start += 0x200;
|
|
} while (start < end);
|
|
@@ -291,8 +322,12 @@
|
|
unsigned long ws, addr;
|
|
|
|
for (ws = 0; ws < ws_end; ws += ws_inc)
|
|
- for (addr = start; addr < end; addr += 0x400)
|
|
+ for (addr = start; addr < end; addr += 0x400) {
|
|
+#ifdef CONFIG_BCM4710
|
|
+ BCM4710_DUMMY_RREG();
|
|
+#endif
|
|
cache32_unroll32(addr|ws,Index_Writeback_Inv_D);
|
|
+ }
|
|
}
|
|
|
|
static inline void blast_dcache32_page(unsigned long page)
|
|
@@ -300,6 +335,9 @@
|
|
unsigned long start = page;
|
|
unsigned long end = start + PAGE_SIZE;
|
|
|
|
+#ifdef CONFIG_BCM4710
|
|
+ __asm__ __volatile__("nop;nop;nop;nop");
|
|
+#endif
|
|
do {
|
|
cache32_unroll32(start,Hit_Writeback_Inv_D);
|
|
start += 0x400;
|
|
@@ -339,6 +377,9 @@
|
|
unsigned long start = page;
|
|
unsigned long end = start + PAGE_SIZE;
|
|
|
|
+#ifdef CONFIG_BCM4710
|
|
+ BCM4710_FILL_TLB(start);
|
|
+#endif
|
|
do {
|
|
cache32_unroll32(start,Hit_Invalidate_I);
|
|
start += 0x400;
|