| wdenk | 4ca3236 | 2004-12-16 15:52:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2004 |
| 3 | * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #define SDRAM_DDR 1 /* is SDR */ |
| 25 | |
| 26 | #if defined(CONFIG_MPC5200) |
| 27 | /* Settings for XLB = 132 MHz */ |
| 28 | #define SDRAM_MODE 0x00CD0000 |
| 29 | /* #define SDRAM_MODE 0x008D0000 */ /* CAS latency 2 */ |
| 30 | #define SDRAM_CONTROL 0x504F0000 |
| 31 | #define SDRAM_CONFIG1 0xD2322800 |
| 32 | /* #define SDRAM_CONFIG1 0xD2222800 */ /* CAS latency 2 */ |
| 33 | /*#define SDRAM_CONFIG1 0xD7322800 */ /* SDRAM controller bug workaround */ |
| 34 | #define SDRAM_CONFIG2 0x8AD70000 |
| 35 | /*#define SDRAM_CONFIG2 0xDDD70000 */ /* SDRAM controller bug workaround */ |
| 36 | |
| 37 | #elif defined(CONFIG_MGT5100) |
| 38 | /* Settings for XLB = 66 MHz */ |
| 39 | #define SDRAM_MODE 0x008D0000 |
| 40 | #define SDRAM_CONTROL 0x504F0000 |
| 41 | #define SDRAM_CONFIG1 0xC2222600 |
| 42 | #define SDRAM_CONFIG2 0x88B70004 |
| 43 | #define SDRAM_ADDRSEL 0x02000000 |
| 44 | |
| 45 | #else |
| 46 | #error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined |
| 47 | #endif |