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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-30 22:05:19 +02:00
openwrt-xburst/target/linux/brcm47xx/patches-2.6.23/130-remove_scache.patch
juhosg 17bba1a8f6 [brcm47xx] refresh kernel patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11200 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-05-19 08:08:23 +00:00

98 lines
3.0 KiB
Diff

Index: linux-2.6.23.17/arch/mips/Kconfig
===================================================================
--- linux-2.6.23.17.orig/arch/mips/Kconfig
+++ linux-2.6.23.17/arch/mips/Kconfig
@@ -192,7 +192,6 @@ config MIPS_MALTA
select I8259
select MIPS_BOARDS_GEN
select MIPS_BONITO64
- select MIPS_CPU_SCACHE
select PCI_GT64XXX_PCI0
select MIPS_MSC
select SWAP_IO_SPACE
@@ -1281,13 +1280,6 @@ config IP22_CPU_SCACHE
bool
select BOARD_SCACHE
-#
-# Support for a MIPS32 / MIPS64 style S-caches
-#
-config MIPS_CPU_SCACHE
- bool
- select BOARD_SCACHE
-
config R5000_CPU_SCACHE
bool
select BOARD_SCACHE
Index: linux-2.6.23.17/arch/mips/kernel/cpu-probe.c
===================================================================
--- linux-2.6.23.17.orig/arch/mips/kernel/cpu-probe.c
+++ linux-2.6.23.17/arch/mips/kernel/cpu-probe.c
@@ -701,6 +701,8 @@ static inline void cpu_probe_mips(struct
break;
case PRID_IMP_25KF:
c->cputype = CPU_25KF;
+ /* Probe for L2 cache */
+ c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
break;
case PRID_IMP_34K:
c->cputype = CPU_34K;
Index: linux-2.6.23.17/arch/mips/mm/c-r4k.c
===================================================================
--- linux-2.6.23.17.orig/arch/mips/mm/c-r4k.c
+++ linux-2.6.23.17/arch/mips/mm/c-r4k.c
@@ -1101,7 +1101,6 @@ static void __init loongson2_sc_init(voi
extern int r5k_sc_init(void);
extern int rm7k_sc_init(void);
-extern int mips_sc_init(void);
static void __init setup_scache(void)
{
@@ -1155,29 +1154,17 @@ static void __init setup_scache(void)
#endif
default:
- if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
- c->isa_level == MIPS_CPU_ISA_M32R2 ||
- c->isa_level == MIPS_CPU_ISA_M64R1 ||
- c->isa_level == MIPS_CPU_ISA_M64R2) {
-#ifdef CONFIG_MIPS_CPU_SCACHE
- if (mips_sc_init ()) {
- scache_size = c->scache.ways * c->scache.sets * c->scache.linesz;
- printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n",
- scache_size >> 10,
- way_string[c->scache.ways], c->scache.linesz);
- }
-#else
- if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
- panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
-#endif
- return;
- }
sc_present = 0;
}
if (!sc_present)
return;
+ if ((c->isa_level == MIPS_CPU_ISA_M32R1 ||
+ c->isa_level == MIPS_CPU_ISA_M64R1) &&
+ !(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
+ panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
+
/* compute a couple of other cache variables */
c->scache.waysize = scache_size / c->scache.ways;
Index: linux-2.6.23.17/arch/mips/mm/Makefile
===================================================================
--- linux-2.6.23.17.orig/arch/mips/mm/Makefile
+++ linux-2.6.23.17/arch/mips/mm/Makefile
@@ -31,6 +31,5 @@ obj-$(CONFIG_CPU_VR41XX) += c-r4k.o cex-
obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o
obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o
obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o
-obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o
EXTRA_CFLAGS += -Werror