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/*
* Copyright (C) 2004-2006 Atmel Corporation
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/cacheflush.h>
void dcache_clean_range(volatile void *start, size_t size)
{
unsigned long v, begin, end, linesz;
linesz = CONFIG_SYS_DCACHE_LINESZ;
/* You asked for it, you got it */
begin = (unsigned long)start & ~(linesz - 1);
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
for (v = begin; v < end; v += linesz)
dcache_clean_line((void *)v);
sync_write_buffer();
}
void invalidate_dcache_range(unsigned long start, unsigned long stop)
{
unsigned long v, linesz;
linesz = CONFIG_SYS_DCACHE_LINESZ;
/* You asked for it, you got it */
start = start & ~(linesz - 1);
stop = (stop + linesz - 1) & ~(linesz - 1);
for (v = start; v < stop; v += linesz)
dcache_invalidate_line((void *)v);
}
void flush_dcache_range(unsigned long start, unsigned long stop)
{
unsigned long v, linesz;
linesz = CONFIG_SYS_DCACHE_LINESZ;
/* You asked for it, you got it */
start = start & ~(linesz - 1);
stop = (stop + linesz - 1) & ~(linesz - 1);
for (v = start; v < stop; v += linesz)
dcache_flush_line((void *)v);
sync_write_buffer();
}
void icache_invalidate_range(volatile void *start, size_t size)
{
unsigned long v, begin, end, linesz;
linesz = CONFIG_SYS_ICACHE_LINESZ;
/* You asked for it, you got it */
begin = (unsigned long)start & ~(linesz - 1);
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
for (v = begin; v < end; v += linesz)
icache_invalidate_line((void *)v);
}
/*
* This is called after loading something into memory. We need to
* make sure that everything that was loaded is actually written to
* RAM, and that the icache will look for it. Cleaning the dcache and
* invalidating the icache will do the trick.
*/
void flush_cache (unsigned long start_addr, unsigned long size)
{
dcache_clean_range((void *)start_addr, size);
icache_invalidate_range((void *)start_addr, size);
}
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