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sh: Convert SH-2 to new cacheflush interface.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2009-08-15 12:35:15 +09:00
parent 37443ef3f0
commit 109b44a82a
2 changed files with 16 additions and 3 deletions
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13
arch/sh/mm/cache-sh2.c
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@@ -16,7 +16,7 @@
#include <asm/cacheflush.h> #include <asm/cacheflush.h>
#include <asm/io.h> #include <asm/io.h>
void __flush_wback_region(void *start, int size) static void sh2__flush_wback_region(void *start, int size)
{ {
unsigned long v; unsigned long v;
unsigned long begin, end; unsigned long begin, end;
@@ -37,7 +37,7 @@ void __flush_wback_region(void *start, int size)
} }
} }
void __flush_purge_region(void *start, int size) static void sh2__flush_purge_region(void *start, int size)
{ {
unsigned long v; unsigned long v;
unsigned long begin, end; unsigned long begin, end;
@@ -51,7 +51,7 @@ void __flush_purge_region(void *start, int size)
CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008); CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
} }
void __flush_invalidate_region(void *start, int size) static void sh2__flush_invalidate_region(void *start, int size)
{ {
#ifdef CONFIG_CACHE_WRITEBACK #ifdef CONFIG_CACHE_WRITEBACK
/* /*
@@ -82,3 +82,10 @@ void __flush_invalidate_region(void *start, int size)
CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008); CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
#endif #endif
} }
void __init sh2_cache_init(void)
{
__flush_wback_region = sh2__flush_wback_region;
__flush_purge_region = sh2__flush_purge_region;
__flush_invalidate_region = sh2__flush_invalidate_region;
}

6
arch/sh/mm/cache.c
View File

@@ -244,6 +244,12 @@ void __init cpu_cache_init(void)
__flush_purge_region = noop__flush_region; __flush_purge_region = noop__flush_region;
__flush_invalidate_region = noop__flush_region; __flush_invalidate_region = noop__flush_region;
if (boot_cpu_data.family == CPU_FAMILY_SH2) {
extern void __weak sh2_cache_init(void);
sh2_cache_init();
}
if ((boot_cpu_data.family == CPU_FAMILY_SH4) || if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
(boot_cpu_data.family == CPU_FAMILY_SH4A) || (boot_cpu_data.family == CPU_FAMILY_SH4A) ||
(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) { (boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {