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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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