| /* | |
| * Memory sub-system initialization code for TANBAC Evaluation board TB0229. | |
| * | |
| * Copyright (c) 2003 Masami Komiya <mkomiya@sonare.it> | |
| * | |
| * 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, or (at | |
| * your option) any later version. | |
| */ | |
| #include <config.h> | |
| #include <version.h> | |
| #include <asm/regdef.h> | |
| .globl lowlevel_init | |
| lowlevel_init: | |
| /* BCUCNTREG1 = 0x0040 */ | |
| la t0, 0xaf000000 | |
| li t1, 0x0040 | |
| sh t1, 0(t0) | |
| /* ROMSIZEREG = 0x3333 */ | |
| la t0, 0xaf000004 | |
| li t1, 0x3333 | |
| sh t1, 0(t0) | |
| /* ROMSPEEDREG = 0x3003 */ | |
| la t0, 0xaf000006 | |
| li t1, 0x3003 | |
| sh t1, 0(t0) | |
| /* BCUCNTREG3 = 0 */ | |
| la t0, 0xaf000016 | |
| li t1, 0x0000 | |
| sh t1, 0(t0) | |
| /* CMUCLKMSK */ | |
| la t0, 0xaf000060 | |
| li t1, 0x39a2 | |
| sh t1, 0(t0) | |
| /* PMUCNTREG */ | |
| la t0, 0xaf0000c2 | |
| li t1, 0x0006 | |
| sh t1, 0(t0) | |
| /* SDRAMMODEREG = 0x8029 */ | |
| la t0, 0xaf000400 | |
| li t1, 0x8029 | |
| sh t1, 0(t0) | |
| /* SDRAMCNTREG = 0x2322 */ | |
| la t0, 0xaf000402 | |
| li t1, 0x2322 | |
| sh t1, 0(t0) | |
| /* BCURFCNTREG = 0x0106 */ | |
| la t0, 0xaf000404 | |
| li t1, 0x0106 | |
| sh t1, 0(t0) | |
| /* RAMSZEREG = 0x5555 (64MB Bank) */ | |
| la t0, 0xaf000408 | |
| li t1, 0x5555 | |
| sh t1, 0(t0) | |
| j ra | |
| nop |