2 * Copyright 2004-2007 Analog Devices Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see the file COPYING, or write
16 * to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <linux/cpu.h>
22 #include <asm/cacheflush.h>
23 #include <asm/blackfin.h>
24 #include <asm/cplbinit.h>
26 #if defined(CONFIG_BLKFIN_CACHE)
27 void bfin_icache_init(void)
29 unsigned long *table = icplb_table;
33 for (i = 0; i < MAX_CPLBS; i++) {
34 unsigned long addr = *table++;
35 unsigned long data = *table++;
36 if (addr == (unsigned long)-1)
38 bfin_write32(ICPLB_ADDR0 + i * 4, addr);
39 bfin_write32(ICPLB_DATA0 + i * 4, data);
41 ctrl = bfin_read_IMEM_CONTROL();
42 ctrl |= IMC | ENICPLB;
43 bfin_write_IMEM_CONTROL(ctrl);
47 #if defined(CONFIG_BLKFIN_DCACHE)
48 void bfin_dcache_init(void)
50 unsigned long *table = dcplb_table;
54 for (i = 0; i < MAX_CPLBS; i++) {
55 unsigned long addr = *table++;
56 unsigned long data = *table++;
57 if (addr == (unsigned long)-1)
59 bfin_write32(DCPLB_ADDR0 + i * 4, addr);
60 bfin_write32(DCPLB_DATA0 + i * 4, data);
62 ctrl = bfin_read_DMEM_CONTROL();
64 bfin_write_DMEM_CONTROL(ctrl);