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Wolfgang Denk97caf672006-03-12 02:12:27 +01001/*
2 * U-boot - cache.c
3 *
Aubrey Li314d22f2007-04-05 18:31:18 +08004 * Copyright (c) 2005-2007 Analog Devices Inc.
Wolfgang Denk97caf672006-03-12 02:12:27 +01005 *
6 * (C) Copyright 2000-2004
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
Aubrey Li314d22f2007-04-05 18:31:18 +080024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
25 * MA 02110-1301 USA
Wolfgang Denk97caf672006-03-12 02:12:27 +010026 */
27
28/* for now: just dummy functions to satisfy the linker */
Aubrey.Li9da597f2007-03-09 13:38:44 +080029#include <config.h>
30#include <common.h>
31#include <asm/blackfin.h>
32
33extern void blackfin_icache_flush_range(unsigned long, unsigned long);
34extern void blackfin_dcache_flush_range(unsigned long, unsigned long);
35
36void flush_cache(unsigned long dummy1, unsigned long dummy2)
Wolfgang Denk97caf672006-03-12 02:12:27 +010037{
Aubrey.Li9da597f2007-03-09 13:38:44 +080038 if ((dummy1 >= L1_ISRAM) && (dummy1 < L1_ISRAM_END))
39 return;
40 if ((dummy1 >= DATA_BANKA_SRAM) && (dummy1 < DATA_BANKA_SRAM_END))
41 return;
42 if ((dummy1 >= DATA_BANKB_SRAM) && (dummy1 < DATA_BANKB_SRAM_END))
43 return;
44
45 if (icache_status())
46 blackfin_icache_flush_range(dummy1, dummy1 + dummy2);
47 if (dcache_status())
48 blackfin_dcache_flush_range(dummy1, dummy1 + dummy2);
49
Wolfgang Denk97caf672006-03-12 02:12:27 +010050 return;
51}