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Po-Yu Chuang43a5f0d2009-11-11 17:27:30 +08001/*
2 * (C) Copyright 2009 Faraday Technology
3 * Po-Yu Chuang <ratbert@faraday-tech.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20/*
21 * Static Memory Controller
22 */
23#ifndef __FTSMC020_H
24#define __FTSMC020_H
25
26#ifndef __ASSEMBLY__
27
28struct ftsmc020 {
29 struct {
30 unsigned int cr; /* 0x00, 0x08, 0x10, 0x18 */
31 unsigned int tpr; /* 0x04, 0x0c, 0x14, 0x1c */
32 } bank[4];
33 unsigned int pad[8]; /* 0x20 - 0x3c */
34 unsigned int ssr; /* 0x40 */
35};
36
37void ftsmc020_init(void);
38
39#endif /* __ASSEMBLY__ */
40
41/*
42 * Memory Bank Configuration Register
43 */
44#define FTSMC020_BANK_ENABLE (1 << 28)
45#define FTSMC020_BANK_BASE(x) ((x) & 0x0fff1000)
46
47#define FTSMC020_BANK_WPROT (1 << 11)
48
49#define FTSMC020_BANK_SIZE_32K (0xb << 4)
50#define FTSMC020_BANK_SIZE_64K (0xc << 4)
51#define FTSMC020_BANK_SIZE_128K (0xd << 4)
52#define FTSMC020_BANK_SIZE_256K (0xe << 4)
53#define FTSMC020_BANK_SIZE_512K (0xf << 4)
54#define FTSMC020_BANK_SIZE_1M (0x0 << 4)
55#define FTSMC020_BANK_SIZE_2M (0x1 << 4)
56#define FTSMC020_BANK_SIZE_4M (0x2 << 4)
57#define FTSMC020_BANK_SIZE_8M (0x3 << 4)
58#define FTSMC020_BANK_SIZE_16M (0x4 << 4)
59#define FTSMC020_BANK_SIZE_32M (0x5 << 4)
60
61#define FTSMC020_BANK_MBW_8 (0x0 << 0)
62#define FTSMC020_BANK_MBW_16 (0x1 << 0)
63#define FTSMC020_BANK_MBW_32 (0x2 << 0)
64
65/*
66 * Memory Bank Timing Parameter Register
67 */
68#define FTSMC020_TPR_ETRNA(x) (((x) & 0xf) << 28)
69#define FTSMC020_TPR_EATI(x) (((x) & 0xf) << 24)
70#define FTSMC020_TPR_RBE (1 << 20)
71#define FTSMC020_TPR_AST(x) (((x) & 0x3) << 18)
72#define FTSMC020_TPR_CTW(x) (((x) & 0x3) << 16)
73#define FTSMC020_TPR_ATI(x) (((x) & 0xf) << 12)
74#define FTSMC020_TPR_AT2(x) (((x) & 0x3) << 8)
75#define FTSMC020_TPR_WTC(x) (((x) & 0x3) << 6)
76#define FTSMC020_TPR_AHT(x) (((x) & 0x3) << 4)
77#define FTSMC020_TPR_TRNA(x) (((x) & 0xf) << 0)
78
79#endif /* __FTSMC020_H */