1 /***************************************************************************
2 * Copyright (C) 2010 by Peter Korsgaard <jacmet@sunsite.dk> *
3 * Heavily based on s3c2412.c by Ben Dooks <ben@fluff.org> *
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. *
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. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
26 /* s3c64xx uses another base address for the nand controller than 24xx */
28 #define S3C2410_NFREG(x) ((x) + 0x70200000)
30 NAND_DEVICE_COMMAND_HANDLER(s3c6400_nand_device_command
)
32 struct s3c24xx_nand_controller
*info
;
33 CALL_S3C24XX_DEVICE_COMMAND(nand
, &info
);
35 /* fill in the address fields for the core device */
36 info
->cmd
= S3C2440_NFCMD
;
37 info
->addr
= S3C2440_NFADDR
;
38 info
->data
= S3C2440_NFDATA
;
39 info
->nfstat
= S3C2412_NFSTAT
;
44 static int s3c6400_init(struct nand_device
*nand
)
46 struct s3c24xx_nand_controller
*s3c24xx_info
= nand
->controller_priv
;
47 struct target
*target
= s3c24xx_info
->target
;
49 target_write_u32(target
, S3C2410_NFCONF
,
50 S3C2440_NFCONF_TACLS(3) |
51 S3C2440_NFCONF_TWRPH0(7) |
52 S3C2440_NFCONF_TWRPH1(7) | 4);
54 target_write_u32(target
, S3C2440_NFCONT
,
55 S3C2412_NFCONT_INIT_MAIN_ECC
|
56 S3C2440_NFCONT_ENABLE
);
61 struct nand_flash_controller s3c6400_nand_controller
= {
63 .nand_device_command
= &s3c6400_nand_device_command
,
64 .init
= &s3c6400_init
,
65 .reset
= &s3c24xx_reset
,
66 .command
= &s3c24xx_command
,
67 .address
= &s3c24xx_address
,
68 .write_data
= &s3c24xx_write_data
,
69 .read_data
= &s3c24xx_read_data
,
70 .write_page
= s3c24xx_write_page
,
71 .read_page
= s3c24xx_read_page
,
72 .write_block_data
= &s3c2440_write_block_data
,
73 .read_block_data
= &s3c2440_read_block_data
,
74 .controller_ready
= &s3c24xx_controller_ready
,
75 .nand_ready
= &s3c2440_nand_ready
,