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/*
* arch/sh/mm/cache-sh2.c
*
* Copyright (C) 2002 Paul Mundt
*
* Released under the terms of the GNU GPL v2.0.
*/
#include <linux/init.h>
#include <linux/mm.h>
#include <asm/cache.h>
#include <asm/addrspace.h>
#include <asm/processor.h>
#include <asm/cacheflush.h>
#include <asm/io.h>
void __flush_wback_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
for (v = begin; v < end; v+=L1_CACHE_BYTES) {
/* FIXME cache purge */
ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
}
}
void __flush_purge_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
for (v = begin; v < end; v+=L1_CACHE_BYTES) {
ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
}
}
void __flush_invalidate_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
for (v = begin; v < end; v+=L1_CACHE_BYTES) {
ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
}
}
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