/* * 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