blob: 62cbba7364b0d066b5559e4f1a7add76567722ef [file] [log] [blame]
Bernd Schmidt29440a22007-07-12 16:25:29 +08001/*
2 * Copyright 2004-2007 Analog Devices Inc.
3 *
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.
8 *
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.
13 *
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
18 */
19
20#include <linux/cpu.h>
21
22#include <asm/cacheflush.h>
23#include <asm/blackfin.h>
Robin Getz3bebca22007-10-10 23:55:26 +080024#include <asm/cplb.h>
Bernd Schmidt29440a22007-07-12 16:25:29 +080025#include <asm/cplbinit.h>
26
Robin Getz3bebca22007-10-10 23:55:26 +080027#if defined(CONFIG_BFIN_ICACHE)
Bernd Schmidt29440a22007-07-12 16:25:29 +080028void bfin_icache_init(void)
29{
30 unsigned long *table = icplb_table;
31 unsigned long ctrl;
32 int i;
33
34 for (i = 0; i < MAX_CPLBS; i++) {
35 unsigned long addr = *table++;
36 unsigned long data = *table++;
37 if (addr == (unsigned long)-1)
38 break;
39 bfin_write32(ICPLB_ADDR0 + i * 4, addr);
40 bfin_write32(ICPLB_DATA0 + i * 4, data);
41 }
42 ctrl = bfin_read_IMEM_CONTROL();
43 ctrl |= IMC | ENICPLB;
44 bfin_write_IMEM_CONTROL(ctrl);
45}
46#endif
47
Robin Getz3bebca22007-10-10 23:55:26 +080048#if defined(CONFIG_BFIN_DCACHE)
Bernd Schmidt29440a22007-07-12 16:25:29 +080049void bfin_dcache_init(void)
50{
51 unsigned long *table = dcplb_table;
52 unsigned long ctrl;
53 int i;
54
55 for (i = 0; i < MAX_CPLBS; i++) {
56 unsigned long addr = *table++;
57 unsigned long data = *table++;
58 if (addr == (unsigned long)-1)
59 break;
60 bfin_write32(DCPLB_ADDR0 + i * 4, addr);
61 bfin_write32(DCPLB_DATA0 + i * 4, data);
62 }
63 ctrl = bfin_read_DMEM_CONTROL();
64 ctrl |= DMEM_CNTR;
65 bfin_write_DMEM_CONTROL(ctrl);
66}
67#endif