Commit 109b44a8 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Convert SH-2 to new cacheflush interface. 



Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 37443ef3

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;

}

arch/sh/mm/cache.c

+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)) {