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wdenkf4863a72004-02-07 01:27:10 +00001/*
2 * Memory sub-system initialization code for TANBAC Evaluation board TB0229.
3 *
4 * Copyright (c) 2003 Masami Komiya <mkomiya@sonare.it>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2, or (at
9 * your option) any later version.
10 */
11
12#include <config.h>
13#include <version.h>
14#include <asm/regdef.h>
15
16
wdenk400558b2005-04-02 23:52:25 +000017 .globl lowlevel_init
18lowlevel_init:
wdenkf4863a72004-02-07 01:27:10 +000019
20 /* BCUCNTREG1 = 0x0040 */
21 la t0, 0xaf000000
22 li t1, 0x0040
23 sh t1, 0(t0)
24
25 /* ROMSIZEREG = 0x3333 */
26 la t0, 0xaf000004
27 li t1, 0x3333
28 sh t1, 0(t0)
29
30 /* ROMSPEEDREG = 0x3003 */
31 la t0, 0xaf000006
32 li t1, 0x3003
33 sh t1, 0(t0)
34
35 /* BCUCNTREG3 = 0 */
36 la t0, 0xaf000016
37 li t1, 0x0000
38 sh t1, 0(t0)
39
40 /* CMUCLKMSK */
41 la t0, 0xaf000060
42 li t1, 0x39a2
43 sh t1, 0(t0)
44
45 /* PMUCNTREG */
46 la t0, 0xaf0000c2
47 li t1, 0x0006
48 sh t1, 0(t0)
49
50 /* SDRAMMODEREG = 0x8029 */
51 la t0, 0xaf000400
52 li t1, 0x8029
53 sh t1, 0(t0)
54
55 /* SDRAMCNTREG = 0x2322 */
56 la t0, 0xaf000402
57 li t1, 0x2322
58 sh t1, 0(t0)
59
60 /* BCURFCNTREG = 0x0106 */
61 la t0, 0xaf000404
62 li t1, 0x0106
63 sh t1, 0(t0)
64
65 /* RAMSZEREG = 0x5555 (64MB Bank) */
66 la t0, 0xaf000408
67 li t1, 0x5555
68 sh t1, 0(t0)
69
70 j ra
71 nop