diff options
Diffstat (limited to 'cpu/at32ap/cache.c')
-rw-r--r-- | cpu/at32ap/cache.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/cpu/at32ap/cache.c b/cpu/at32ap/cache.c deleted file mode 100644 index 28b9456..0000000 --- a/cpu/at32ap/cache.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#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 dcache_invalidate_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_invalidate_line((void *)v); -} - -void dcache_flush_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_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); -} |