diff options
Diffstat (limited to 'lib_blackfin/cache.c')
| -rw-r--r-- | lib_blackfin/cache.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c index 847278d..9d71bcb 100644 --- a/lib_blackfin/cache.c +++ b/lib_blackfin/cache.c @@ -1,7 +1,7 @@ /* * U-boot - cache.c * - * Copyright (c) 2005 blackfin.uclinux.org + * Copyright (c) 2005-2007 Analog Devices Inc. * * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -21,20 +21,29 @@ * * 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 + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA */ /* for now: just dummy functions to satisfy the linker */ -extern void blackfin_icache_range (unsigned long *, unsigned long *); -extern void blackfin_dcache_range (unsigned long *, unsigned long *); -void flush_cache (unsigned long dummy1, unsigned long dummy2) +#include <config.h> +#include <common.h> +#include <asm/blackfin.h> +#include "cache.h" + +void flush_cache(unsigned long dummy1, unsigned long dummy2) { - if (icache_status ()) { - blackfin_icache_flush_range (dummy1, dummy1 + dummy2); - } - if (dcache_status ()) { - blackfin_dcache_flush_range (dummy1, dummy1 + dummy2); - } + if ((dummy1 >= L1_ISRAM) && (dummy1 < L1_ISRAM_END)) + return; + if ((dummy1 >= DATA_BANKA_SRAM) && (dummy1 < DATA_BANKA_SRAM_END)) + return; + if ((dummy1 >= DATA_BANKB_SRAM) && (dummy1 < DATA_BANKB_SRAM_END)) + return; + + if (icache_status()) + blackfin_icache_flush_range((void*)dummy1, (void*)(dummy1 + dummy2)); + if (dcache_status()) + blackfin_dcache_flush_range((void*)dummy1, (void*)(dummy1 + dummy2)); + return; } |