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author | wdenk <wdenk> | 2004-06-09 21:50:45 +0000 |
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committer | wdenk <wdenk> | 2004-06-09 21:50:45 +0000 |
commit | 2d24a3a787c2376c2c2c86a511eee78ef170923f (patch) | |
tree | db949ae010577426e1ead185352703cdb68a36c7 /board/mx1ads/memsetup.S | |
parent | e63c8ee3dcde0992377df434ab5af486dd866866 (diff) | |
download | u-boot-imx-2d24a3a787c2376c2c2c86a511eee78ef170923f.zip u-boot-imx-2d24a3a787c2376c2c2c86a511eee78ef170923f.tar.gz u-boot-imx-2d24a3a787c2376c2c2c86a511eee78ef170923f.tar.bz2 |
* Patch by Yuli Barcohen, 09 Jun 2004:
Add support for Analogue&Micro Adder87x and the older AdderII board.
* Patch by Ming-Len Wu, 09 Jun 2004:
Add suppport for MC9328 (Dargonball) CPU and Motorola MX1ADS board
Diffstat (limited to 'board/mx1ads/memsetup.S')
-rw-r--r-- | board/mx1ads/memsetup.S | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/board/mx1ads/memsetup.S b/board/mx1ads/memsetup.S new file mode 100644 index 0000000..39b71fe --- /dev/null +++ b/board/mx1ads/memsetup.S @@ -0,0 +1,82 @@ +/* + * board/mx1ads/memsetup.S + * + * (c) Copyright 2004 + * Techware Information Technology, Inc. + * http://www.techware.com.tw/ + * + * Ming-Len Wu <minglen_wu@techware.com.tw> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <version.h> + +#define SDCTL0 0x221000 +#define SDCTL1 0x221004 + + +_TEXT_BASE: + .word TEXT_BASE + +.globl memsetup +memsetup: +/* memory controller init */ + + ldr r1, =SDCTL0 + +/* Set Precharge Command */ + + ldr r3, =0x92120200 +/* ldr r3, =0x92120251 +*/ + str r3, [r1] + +/* Issue Precharge All Commad */ + ldr r3, =0x8200000 + ldr r2, [r3] + +/* Set AutoRefresh Command */ + ldr r3, =0xA2120200 + str r3, [r1] + +/* Issue AutoRefresh Command */ + ldr r3, =0x8000000 + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + ldr r2, [r3] + +/* Set Mode Register */ + ldr r3, =0xB2120200 + str r3, [r1] + +/* Issue Mode Register Command */ + ldr r3, =0x08111800 /* Mode Register Value */ + ldr r2, [r3] + +/* Set Normal Mode */ + ldr r3, =0x82124200 + str r3, [r1] + +/* everything is fine now */ + mov pc, lr + |