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- /***************************************************************************
- * Copyright (C) 2007, 2008 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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
- /*
- * S3C2412 OpenOCD NAND Flash controller support.
- *
- * Many thanks to Simtec Electronics for sponsoring this work.
- */
-
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include "s3c24xx_nand.h"
-
-
- static int s3c2412_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct nand_device_s *device);
- static int s3c2412_init(struct nand_device_s *device);
-
- nand_flash_controller_t s3c2412_nand_controller =
- {
- .name = "s3c2412",
- .nand_device_command = s3c2412_nand_device_command,
- .register_commands = s3c24xx_register_commands,
- .init = s3c2412_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,
- .controller_ready = s3c24xx_controller_ready,
- .nand_ready = s3c2440_nand_ready,
- };
-
- static int s3c2412_nand_device_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc,
- struct nand_device_s *device)
- {
- s3c24xx_nand_controller_t *info;
-
- info = s3c24xx_nand_device_command(cmd_ctx, cmd, args, argc, device);
- if (info == NULL) {
- return ERROR_NAND_DEVICE_INVALID;
- }
-
- /* 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 s3c2412_init(struct nand_device_s *device)
- {
- s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
- target_t *target = s3c24xx_info->target;
-
- target_write_u32(target, S3C2410_NFCONF,
- S3C2440_NFCONF_TACLS(3) |
- S3C2440_NFCONF_TWRPH0(7) |
- S3C2440_NFCONF_TWRPH1(7));
-
- target_write_u32(target, S3C2440_NFCONT,
- S3C2412_NFCONT_INIT_MAIN_ECC |
- S3C2440_NFCONT_ENABLE);
-
- return ERROR_OK;
- }
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