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Dirk Behmea1aa39c2008-12-14 09:47:12 +01001/*
2 * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com>
3 * Rohit Choraria <rohitkc@ti.com>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23#ifndef __ASM_ARCH_OMAP_GPMC_H
24#define __ASM_ARCH_OMAP_GPMC_H
25
26#define GPMC_BUF_EMPTY 0
27#define GPMC_BUF_FULL 1
28
29#define ECCCLEAR (0x1 << 8)
30#define ECCRESULTREG1 (0x1 << 0)
31#define ECCSIZE512BYTE 0xFF
32#define ECCSIZE1 (ECCSIZE512BYTE << 22)
33#define ECCSIZE0 (ECCSIZE512BYTE << 12)
34#define ECCSIZE0SEL (0x000 << 0)
35
36/* Generic ECC Layouts */
37/* Large Page x8 NAND device Layout */
38#ifdef GPMC_NAND_ECC_LP_x8_LAYOUT
39#define GPMC_NAND_HW_ECC_LAYOUT {\
40 .eccbytes = 12,\
41 .eccpos = {1, 2, 3, 4, 5, 6, 7, 8,\
42 9, 10, 11, 12},\
43 .oobfree = {\
44 {.offset = 13,\
45 .length = 51 } } \
46}
47#endif
48
49/* Large Page x16 NAND device Layout */
50#ifdef GPMC_NAND_ECC_LP_x16_LAYOUT
51#define GPMC_NAND_HW_ECC_LAYOUT {\
52 .eccbytes = 12,\
53 .eccpos = {2, 3, 4, 5, 6, 7, 8, 9,\
54 10, 11, 12, 13},\
55 .oobfree = {\
56 {.offset = 14,\
57 .length = 50 } } \
58}
59#endif
60
61/* Small Page x8 NAND device Layout */
62#ifdef GPMC_NAND_ECC_SP_x8_LAYOUT
63#define GPMC_NAND_HW_ECC_LAYOUT {\
64 .eccbytes = 3,\
65 .eccpos = {1, 2, 3},\
66 .oobfree = {\
67 {.offset = 4,\
68 .length = 12 } } \
69}
70#endif
71
72/* Small Page x16 NAND device Layout */
73#ifdef GPMC_NAND_ECC_SP_x16_LAYOUT
74#define GPMC_NAND_HW_ECC_LAYOUT {\
75 .eccbytes = 3,\
76 .eccpos = {2, 3, 4},\
77 .oobfree = {\
78 {.offset = 5,\
79 .length = 11 } } \
80}
81#endif
82
83#endif /* __ASM_ARCH_OMAP_GPMC_H */