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* Memory sub-system initialization code for TANBAC Evaluation board TB0229.
* Copyright (c) 2003 Masami Komiya <>
* 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 <asm/regdef.h>
.globl 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)
la t0, 0xaf000060
li t1, 0x39a2
sh t1, 0(t0)
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