1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /***************************************************************************
4 * Copyright (C) 2007, 2008 by Ben Dooks *
6 ***************************************************************************/
9 * S3C2443 OpenOCD NAND Flash controller support.
11 * Many thanks to Simtec Electronics for sponsoring this work.
20 NAND_DEVICE_COMMAND_HANDLER(s3c2443_nand_device_command
)
22 struct s3c24xx_nand_controller
*info
;
23 CALL_S3C24XX_DEVICE_COMMAND(nand
, &info
);
25 /* fill in the address fields for the core device */
26 info
->cmd
= S3C2440_NFCMD
;
27 info
->addr
= S3C2440_NFADDR
;
28 info
->data
= S3C2440_NFDATA
;
29 info
->nfstat
= S3C2412_NFSTAT
;
34 static int s3c2443_init(struct nand_device
*nand
)
36 struct target
*target
= nand
->target
;
38 target_write_u32(target
, S3C2410_NFCONF
,
39 S3C2440_NFCONF_TACLS(3) |
40 S3C2440_NFCONF_TWRPH0(7) |
41 S3C2440_NFCONF_TWRPH1(7));
43 target_write_u32(target
, S3C2440_NFCONT
,
44 S3C2412_NFCONT_INIT_MAIN_ECC
|
45 S3C2440_NFCONT_ENABLE
);
50 struct nand_flash_controller s3c2443_nand_controller
= {
52 .nand_device_command
= &s3c2443_nand_device_command
,
53 .init
= &s3c2443_init
,
54 .reset
= &s3c24xx_reset
,
55 .command
= &s3c24xx_command
,
56 .address
= &s3c24xx_address
,
57 .write_data
= &s3c24xx_write_data
,
58 .read_data
= &s3c24xx_read_data
,
59 .write_page
= s3c24xx_write_page
,
60 .read_page
= s3c24xx_read_page
,
61 .write_block_data
= &s3c2440_write_block_data
,
62 .read_block_data
= &s3c2440_read_block_data
,
63 .nand_ready
= &s3c2440_nand_ready
,