sh: Convert SH-2 to new cacheflush interface. (109b44a8) · Commits · 戴 / test

arch/sh/mm/cache-sh2.c

+10 −3

Original line number	Diff line number	Diff line
		@@ -16,7 +16,7 @@
		#include <asm/cacheflush.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 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 begin, end;
		@@ -51,7 +51,7 @@ void __flush_purge_region(void *start, int size)
		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
		/*
		@@ -82,3 +82,10 @@ void __flush_invalidate_region(void *start, int size)
		CACHE_OC_ADDRESS_ARRAY \| (v & 0x00000ff0) \| 0x00000008);
		#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 −0

Original line number	Diff line number	Diff line
		@@ -244,6 +244,12 @@ void __init cpu_cache_init(void)
		__flush_purge_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) \|\|
		(boot_cpu_data.family == CPU_FAMILY_SH4A) \|\|
		(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {