-/* src/flash/s3c2440_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. *
+ ***************************************************************************/
+
+/*
* S3C2440 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 s3c2440_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct nand_device_s *device);
-int s3c2440_init(struct nand_device_s *device);
-int s3c2440_nand_ready(struct nand_device_s *device, int timeout);
+
+static int s3c2440_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct nand_device_s *device);
+static int s3c2440_init(struct nand_device_s *device);
+//static int s3c2440_nand_ready(struct nand_device_s *device, int timeout);
nand_flash_controller_t s3c2440_nand_controller =
{
.nand_ready = s3c2440_nand_ready,
};
-int s3c2440_nand_device_command(struct command_context_s *cmd_ctx, char *cmd,
+static int s3c2440_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;
info->addr = S3C2440_NFADDR;
info->data = S3C2440_NFDATA;
info->nfstat = S3C2440_NFSTAT;
-
+
return ERROR_OK;
}
-int s3c2440_init(struct nand_device_s *device)
+static int s3c2440_init(struct nand_device_s *device)
{
s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
target_t *target = s3c24xx_info->target;
- u32 version;
target_write_u32(target, S3C2410_NFCONF,
S3C2440_NFCONF_TACLS(3) |
{
s3c24xx_nand_controller_t *s3c24xx_info = device->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 {
+
+ do {
target_read_u8(target, s3c24xx_info->nfstat, &status);
-
+
if (status & S3C2440_NFSTAT_READY)
return 1;
- usleep(1000);
+ alive_sleep(1);
} while (timeout-- > 0);
/* use the fact we can read/write 4 bytes in one go via a single 32bit op */
-int s3c2440_read_block_data(struct nand_device_s *device, u8 *data, int data_size)
+int s3c2440_read_block_data(struct nand_device_s *device, uint8_t *data, int data_size)
{
s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
target_t *target = s3c24xx_info->target;
- u32 nfdata = s3c24xx_info->data;
- u32 tmp;
+ uint32_t nfdata = s3c24xx_info->data;
+ uint32_t tmp;
- printf("%s: reading data: %p, %p, %d\n", __func__, device, data, data_size);
+ LOG_INFO("%s: reading data: %p, %p, %d\n", __func__, device, data, data_size);
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;
}
- while (data_size >= 4) {
+ while (data_size >= 4) {
target_read_u32(target, nfdata, &tmp);
data[0] = tmp;
return ERROR_OK;
}
-int s3c2440_write_block_data(struct nand_device_s *device, u8 *data, int data_size)
+int s3c2440_write_block_data(struct nand_device_s *device, uint8_t *data, int data_size)
{
s3c24xx_nand_controller_t *s3c24xx_info = device->controller_priv;
target_t *target = s3c24xx_info->target;
- u32 nfdata = s3c24xx_info->data;
- u32 tmp;
+ uint32_t nfdata = s3c24xx_info->data;
+ uint32_t tmp;
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;
}
- while (data_size >= 4) {
+ while (data_size >= 4) {
tmp = le_to_h_u32(data);
target_write_u32(target, nfdata, tmp);
projects / fw / openocd / blobdiff