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https://github.com/AsahiLinux/u-boot
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70 lines
1.2 KiB
ArmAsm
70 lines
1.2 KiB
ArmAsm
/*
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* Memory sub-system initialization code for TANBAC Evaluation board TB0229.
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*
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* Copyright (c) 2003 Masami Komiya <mkomiya@sonare.it>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2, or (at
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* your option) any later version.
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*/
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#include <config.h>
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#include <asm/regdef.h>
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.globl lowlevel_init
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lowlevel_init:
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/* BCUCNTREG1 = 0x0040 */
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la t0, 0xaf000000
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li t1, 0x0040
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sh t1, 0(t0)
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/* ROMSIZEREG = 0x3333 */
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la t0, 0xaf000004
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li t1, 0x3333
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sh t1, 0(t0)
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/* ROMSPEEDREG = 0x3003 */
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la t0, 0xaf000006
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li t1, 0x3003
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sh t1, 0(t0)
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/* BCUCNTREG3 = 0 */
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la t0, 0xaf000016
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li t1, 0x0000
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sh t1, 0(t0)
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/* CMUCLKMSK */
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la t0, 0xaf000060
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li t1, 0x39a2
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sh t1, 0(t0)
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/* PMUCNTREG */
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la t0, 0xaf0000c2
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li t1, 0x0006
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sh t1, 0(t0)
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/* SDRAMMODEREG = 0x8029 */
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la t0, 0xaf000400
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li t1, 0x8029
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sh t1, 0(t0)
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/* SDRAMCNTREG = 0x2322 */
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la t0, 0xaf000402
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li t1, 0x2322
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sh t1, 0(t0)
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/* BCURFCNTREG = 0x0106 */
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la t0, 0xaf000404
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li t1, 0x0106
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sh t1, 0(t0)
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/* RAMSZEREG = 0x5555 (64MB Bank) */
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la t0, 0xaf000408
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li t1, 0x5555
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sh t1, 0(t0)
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j ra
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nop
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