1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/***************************************************************************
* Copyright (C) 2010 by Peter Korsgaard <jacmet@sunsite.dk> *
* Heavily based on s3c2412.c by Ben Dooks <ben@fluff.org> *
* *
* 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 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "s3c24xx.h"
/* s3c64xx uses another base address for the nand controller than 24xx */
#undef S3C2410_NFREG
#define S3C2410_NFREG(x) ((x) + 0x70200000)
NAND_DEVICE_COMMAND_HANDLER(s3c6400_nand_device_command)
{
struct s3c24xx_nand_controller *info;
CALL_S3C24XX_DEVICE_COMMAND(nand, &info);
/* fill in the address fields for the core device */
info->cmd = S3C2440_NFCMD;
info->addr = S3C2440_NFADDR;
info->data = S3C2440_NFDATA;
info->nfstat = S3C2412_NFSTAT;
return ERROR_OK;
}
static int s3c6400_init(struct nand_device *nand)
{
struct target *target = nand->target;
target_write_u32(target, S3C2410_NFCONF,
S3C2440_NFCONF_TACLS(3) |
S3C2440_NFCONF_TWRPH0(7) |
S3C2440_NFCONF_TWRPH1(7) | 4);
target_write_u32(target, S3C2440_NFCONT,
S3C2412_NFCONT_INIT_MAIN_ECC |
S3C2440_NFCONT_ENABLE);
return ERROR_OK;
}
struct nand_flash_controller s3c6400_nand_controller = {
.name = "s3c6400",
.nand_device_command = &s3c6400_nand_device_command,
.init = &s3c6400_init,
.reset = &s3c24xx_reset,
.command = &s3c24xx_command,
.address = &s3c24xx_address,
.write_data = &s3c24xx_write_data,
.read_data = &s3c24xx_read_data,
.write_page = s3c24xx_write_page,
.read_page = s3c24xx_read_page,
.write_block_data = &s3c2440_write_block_data,
.read_block_data = &s3c2440_read_block_data,
.nand_ready = &s3c2440_nand_ready,
};
|
