1 /***************************************************************************
2 * Copyright (C) 2007, 2008 by Ben Dooks *
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
19 ***************************************************************************/
21 #ifndef S3C24xx_NAND_H
22 #define S3C24xx_NAND_H
25 * S3C24XX Series OpenOCD NAND Flash controller support.
27 * Many thanks to Simtec Electronics for sponsoring this work.
31 #include "s3c24xx_regs.h"
32 #include <target/target.h>
34 struct s3c24xx_nand_controller {
35 /* register addresses */
42 /* Default to using the un-translated NAND register based address */
44 #define S3C2410_NFREG(x) ((x) + 0x4e000000)
46 #define S3C24XX_DEVICE_COMMAND() \
47 COMMAND_HELPER(s3c24xx_nand_device_command, \
48 struct nand_device *nand, \
49 struct s3c24xx_nand_controller **info)
51 S3C24XX_DEVICE_COMMAND();
53 #define CALL_S3C24XX_DEVICE_COMMAND(d, i) \
55 int retval = CALL_COMMAND_HANDLER(s3c24xx_nand_device_command, d, i); \
56 if (ERROR_OK != retval) \
60 int s3c24xx_reset(struct nand_device *nand);
62 int s3c24xx_command(struct nand_device *nand, uint8_t command);
63 int s3c24xx_address(struct nand_device *nand, uint8_t address);
65 int s3c24xx_write_data(struct nand_device *nand, uint16_t data);
66 int s3c24xx_read_data(struct nand_device *nand, void *data);
68 #define s3c24xx_write_page NULL
69 #define s3c24xx_read_page NULL
71 /* code shared between different controllers */
73 int s3c2440_nand_ready(struct nand_device *nand, int timeout);
75 int s3c2440_read_block_data(struct nand_device *nand,
76 uint8_t *data, int data_size);
77 int s3c2440_write_block_data(struct nand_device *nand,
78 uint8_t *data, int data_size);
80 #endif /* S3C24xx_NAND_H */