tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
sh: Convert SH-2 to new cacheflush interface.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
+16
-3
+10
-3
arch/sh/mm/cache-sh2.c
+10
-3
arch/sh/mm/cache-sh2.c
···
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#include <asm/cacheflush.h>
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#include <asm/io.h>
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-
void __flush_wback_region(void *start, int size)
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+
static void sh2__flush_wback_region(void *start, int size)
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{
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unsigned long v;
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unsigned long begin, end;
···
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}
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}
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-
void __flush_purge_region(void *start, int size)
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static void sh2__flush_purge_region(void *start, int size)
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{
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unsigned long v;
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unsigned long begin, end;
···
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CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
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}
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-
void __flush_invalidate_region(void *start, int size)
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static void sh2__flush_invalidate_region(void *start, int size)
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{
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#ifdef CONFIG_CACHE_WRITEBACK
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/*
···
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ctrl_outl((v & CACHE_PHYSADDR_MASK),
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CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
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#endif
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}
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void __init sh2_cache_init(void)
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{
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__flush_wback_region = sh2__flush_wback_region;
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__flush_purge_region = sh2__flush_purge_region;
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__flush_invalidate_region = sh2__flush_invalidate_region;
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}
+6
arch/sh/mm/cache.c
+6
arch/sh/mm/cache.c
···
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__flush_purge_region = noop__flush_region;
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__flush_invalidate_region = noop__flush_region;
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if (boot_cpu_data.family == CPU_FAMILY_SH2) {
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extern void __weak sh2_cache_init(void);
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sh2_cache_init();
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}
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if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
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(boot_cpu_data.family == CPU_FAMILY_SH4A) ||
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(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {