-/* src/flash/s3c2410_nand.c
- *
+/***************************************************************************
+ * 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. *
+ ***************************************************************************/
+
+/*
* S3C2410 OpenOCD NAND Flash controller support.
*
- * Copyright 2007,2008 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.
- *
* Many thanks to Simtec Electronics for sponsoring this work.
*/
#include "config.h"
#endif
-#include "replacements.h"
-#include "log.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "nand.h"
#include "s3c24xx_nand.h"
-#include "target.h"
-
-int s3c2410_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct nand_device_s *device);
-int s3c2410_init(struct nand_device_s *device);
-int s3c2410_read_data(struct nand_device_s *device, void *data);
-int s3c2410_write_data(struct nand_device_s *device, u16 data);
-int s3c2410_nand_ready(struct nand_device_s *device, int timeout);
-nand_flash_controller_t s3c2410_nand_controller =
-{
- .name = "s3c2410",
- .nand_device_command = s3c2410_nand_device_command,
- .register_commands = s3c24xx_register_commands,
- .init = s3c2410_init,
- .reset = s3c24xx_reset,
- .command = s3c24xx_command,
- .address = s3c24xx_address,
- .write_data = s3c2410_write_data,
- .read_data = s3c2410_read_data,
- .write_page = s3c24xx_write_page,
- .read_page = s3c24xx_read_page,
- .controller_ready = s3c24xx_controller_ready,
- .nand_ready = s3c2410_nand_ready,
-};
-
-int s3c2410_nand_device_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc,
- struct nand_device_s *device)
+NAND_DEVICE_COMMAND_HANDLER(s3c2410_nand_device_command)
{
- s3c24xx_nand_controller_t *info;
-
- info = s3c24xx_nand_device_command(cmd_ctx, cmd, args, argc, device);
- if (info == NULL) {
- return ERROR_NAND_DEVICE_INVALID;
- }
+ struct s3c24xx_nand_controller *info;
+ CALL_S3C24XX_DEVICE_COMMAND(nand, &info);
/* fill in the address fields for the core device */
info->cmd = S3C2410_NFCMD;
info->addr = S3C2410_NFADDR;
info->data = S3C2410_NFDATA;
info->nfstat = S3C2410_NFSTAT;
-
+
return ERROR_OK;
}
-int s3c2410_init(struct nand_device_s *device)
+static int s3c2410_init(struct nand_device_s *nand)
{
- s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
+ struct s3c24xx_nand_controller *s3c24xx_info = nand->controller_priv;
target_t *target = s3c24xx_info->target;
- target_write_u32(target, S3C2410_NFCONF,
+ target_write_u32(target, S3C2410_NFCONF,
S3C2410_NFCONF_EN | S3C2410_NFCONF_TACLS(3) |
S3C2410_NFCONF_TWRPH0(5) | S3C2410_NFCONF_TWRPH1(3));
return ERROR_OK;
}
-int s3c2410_write_data(struct nand_device_s *device, u16 data)
+static int s3c2410_write_data(struct nand_device_s *nand, uint16_t data)
{
- s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
+ struct s3c24xx_nand_controller *s3c24xx_info = nand->controller_priv;
target_t *target = s3c24xx_info->target;
if (target->state != TARGET_HALTED) {
- ERROR("target must be halted to use S3C24XX NAND flash controller");
+ LOG_ERROR("target must be halted to use S3C24XX NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
-
+
target_write_u32(target, S3C2410_NFDATA, data);
return ERROR_OK;
}
-int s3c2410_read_data(struct nand_device_s *device, void *data)
+static int s3c2410_read_data(struct nand_device_s *nand, void *data)
{
- s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
+ struct s3c24xx_nand_controller *s3c24xx_info = nand->controller_priv;
target_t *target = s3c24xx_info->target;
-
+
if (target->state != TARGET_HALTED) {
- ERROR("target must be halted to use S3C24XX NAND flash controller");
+ LOG_ERROR("target must be halted to use S3C24XX NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
- target_read_u8(target, S3C2410_NFDATA, data);
+ target_read_u8(target, S3C2410_NFDATA, data);
return ERROR_OK;
}
-int s3c2410_nand_ready(struct nand_device_s *device, int timeout)
+static int s3c2410_nand_ready(struct nand_device_s *nand, int timeout)
{
- s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
+ struct s3c24xx_nand_controller *s3c24xx_info = nand->controller_priv;
target_t *target = s3c24xx_info->target;
- u8 status;
+ uint8_t status;
if (target->state != TARGET_HALTED) {
- ERROR("target must be halted to use S3C24XX NAND flash controller");
+ LOG_ERROR("target must be halted to use S3C24XX NAND flash controller");
return ERROR_NAND_OPERATION_FAILED;
}
-
+
do {
target_read_u8(target, S3C2410_NFSTAT, &status);
-
+
if (status & S3C2410_NFSTAT_BUSY)
return 1;
- usleep(1000);
+ alive_sleep(1);
} while (timeout-- > 0);
return 0;
}
+
+struct nand_flash_controller s3c2410_nand_controller = {
+ .name = "s3c2410",
+ .nand_device_command = &s3c2410_nand_device_command,
+ .register_commands = &s3c24xx_register_commands,
+ .init = &s3c2410_init,
+ .reset = &s3c24xx_reset,
+ .command = &s3c24xx_command,
+ .address = &s3c24xx_address,
+ .write_data = &s3c2410_write_data,
+ .read_data = &s3c2410_read_data,
+ .write_page = s3c24xx_write_page,
+ .read_page = s3c24xx_read_page,
+ .controller_ready = &s3c24xx_controller_ready,
+ .nand_ready = &s3c2410_nand_ready,
+ };
Code Review / openocd.git / blobdiff