*
* (C) Copyright 2008 Atmel Corporation
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <environment.h>
char *env_name_spec = "SPI Flash";
static struct spi_flash *env_flash;
-static char env_buf[CONFIG_ENV_SIZE];
#if defined(CONFIG_ENV_OFFSET_REDUND)
int saveenv(void)
{
- env_t *env_new = (env_t *)env_buf;
+ env_t env_new;
ssize_t len;
char *res, *saved_buffer = NULL, flag = OBSOLETE_FLAG;
u32 saved_size, saved_offset, sector = 1;
}
}
- res = (char *)env_new->data;
+ res = (char *)&env_new.data;
len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
}
- env_new->crc = crc32(0, env_new->data, ENV_SIZE);
- env_new->flags = ACTIVE_FLAG;
+ env_new.crc = crc32(0, env_new.data, ENV_SIZE);
+ env_new.flags = ACTIVE_FLAG;
if (gd->env_valid == 1) {
env_new_offset = CONFIG_ENV_OFFSET_REDUND;
puts("Writing to SPI flash...");
ret = spi_flash_write(env_flash, env_new_offset,
- CONFIG_ENV_SIZE, env_new);
+ CONFIG_ENV_SIZE, &env_new);
if (ret)
goto done;
}
ret = spi_flash_write(env_flash, env_offset + offsetof(env_t, flags),
- sizeof(env_new->flags), &flag);
+ sizeof(env_new.flags), &flag);
if (ret)
goto done;
u32 saved_size, saved_offset, sector = 1;
char *res, *saved_buffer = NULL;
int ret = 1;
- env_t *env_new = (env_t *)env_buf;
+ env_t env_new;
ssize_t len;
if (!env_flash) {
sector++;
}
- res = (char *)env_new->data;
+ res = (char *)&env_new.data;
len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
goto done;
}
- env_new->crc = crc32(0, env_new->data, ENV_SIZE);
+ env_new.crc = crc32(0, env_new.data, ENV_SIZE);
puts("Erasing SPI flash...");
ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET,
puts("Writing to SPI flash...");
ret = spi_flash_write(env_flash, CONFIG_ENV_OFFSET,
- CONFIG_ENV_SIZE, env_new);
+ CONFIG_ENV_SIZE, &env_new);
if (ret)
goto done;
void env_relocate_spec(void)
{
- char *buf = env_buf;
int ret;
+ char *buf = NULL;
+ buf = (char *)malloc(CONFIG_ENV_SIZE);
env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
if (!env_flash) {
set_default_env("!spi_flash_probe() failed");
+ if (buf)
+ free(buf);
return;
}
gd->env_valid = 1;
out:
spi_flash_free(env_flash);
+ if (buf)
+ free(buf);
env_flash = NULL;
}
#endif