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bcm47xx: Add basic 2.6.32 support.

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19062 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
mb
2010-01-07 16:06:05 +00:00
parent 936485f730
commit 2e7da1b948
26 changed files with 2595 additions and 0 deletions
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89
target/linux/brcm47xx/patches-2.6.32/130-remove_scache.patch Normal file
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@@ -0,0 +1,89 @@
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -195,7 +195,6 @@ 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
@@ -1473,13 +1472,6 @@ 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
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -753,6 +753,8 @@ static inline void cpu_probe_mips(struct
case PRID_IMP_25KF:
c->cputype = CPU_25KF;
__cpu_name[cpu] = "MIPS 25Kc";
+ /* Probe for L2 cache */
+ c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
break;
case PRID_IMP_34K:
c->cputype = CPU_34K;
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -32,6 +32,5 @@ obj-$(CONFIG_CPU_CAVIUM_OCTEON) += c-oct
obj-$(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
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1135,7 +1135,6 @@ 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 __cpuinit setup_scache(void)
{
@@ -1189,29 +1188,17 @@ static void __cpuinit 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;