| Bernd Schmidt | 29440a2 | 2007-07-12 16:25:29 +0800 | [diff] [blame] | 1 | /* |
| 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> |
| 24 | #include <asm/cplbinit.h> |
| 25 | |
| 26 | #if defined(CONFIG_BLKFIN_CACHE) |
| 27 | void bfin_icache_init(void) |
| 28 | { |
| 29 | unsigned long *table = icplb_table; |
| 30 | unsigned long ctrl; |
| 31 | int i; |
| 32 | |
| 33 | for (i = 0; i < MAX_CPLBS; i++) { |
| 34 | unsigned long addr = *table++; |
| 35 | unsigned long data = *table++; |
| 36 | if (addr == (unsigned long)-1) |
| 37 | break; |
| 38 | bfin_write32(ICPLB_ADDR0 + i * 4, addr); |
| 39 | bfin_write32(ICPLB_DATA0 + i * 4, data); |
| 40 | } |
| 41 | ctrl = bfin_read_IMEM_CONTROL(); |
| 42 | ctrl |= IMC | ENICPLB; |
| 43 | bfin_write_IMEM_CONTROL(ctrl); |
| 44 | } |
| 45 | #endif |
| 46 | |
| 47 | #if defined(CONFIG_BLKFIN_DCACHE) |
| 48 | void bfin_dcache_init(void) |
| 49 | { |
| 50 | unsigned long *table = dcplb_table; |
| 51 | unsigned long ctrl; |
| 52 | int i; |
| 53 | |
| 54 | for (i = 0; i < MAX_CPLBS; i++) { |
| 55 | unsigned long addr = *table++; |
| 56 | unsigned long data = *table++; |
| 57 | if (addr == (unsigned long)-1) |
| 58 | break; |
| 59 | bfin_write32(DCPLB_ADDR0 + i * 4, addr); |
| 60 | bfin_write32(DCPLB_DATA0 + i * 4, data); |
| 61 | } |
| 62 | ctrl = bfin_read_DMEM_CONTROL(); |
| 63 | ctrl |= DMEM_CNTR; |
| 64 | bfin_write_DMEM_CONTROL(ctrl); |
| 65 | } |
| 66 | #endif |