*
* (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>
#include <malloc.h>
+#include <spi.h>
#include <spi_flash.h>
#include <search.h>
#include <errno.h>
+#include <dm/device-internal.h>
#ifndef CONFIG_ENV_SPI_BUS
-# define CONFIG_ENV_SPI_BUS 0
+# define CONFIG_ENV_SPI_BUS CONFIG_SF_DEFAULT_BUS
#endif
#ifndef CONFIG_ENV_SPI_CS
-# define CONFIG_ENV_SPI_CS 0
+# define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
#endif
#ifndef CONFIG_ENV_SPI_MAX_HZ
-# define CONFIG_ENV_SPI_MAX_HZ 1000000
+# define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
#endif
#ifndef CONFIG_ENV_SPI_MODE
-# define CONFIG_ENV_SPI_MODE SPI_MODE_3
+# define CONFIG_ENV_SPI_MODE CONFIG_SF_DEFAULT_MODE
#endif
#ifdef CONFIG_ENV_OFFSET_REDUND
static struct spi_flash *env_flash;
-#if defined(CONFIG_ENV_OFFSET_REDUND)
-int saveenv(void)
+static int setup_flash_device(void)
{
- env_t env_new;
- ssize_t len;
- char *res, *saved_buffer = NULL, flag = OBSOLETE_FLAG;
- u32 saved_size, saved_offset, sector = 1;
+#ifdef CONFIG_DM_SPI_FLASH
+ struct udevice *new;
int ret;
+ /* speed and mode will be read from DT */
+ ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
+ 0, 0, &new);
+ if (ret) {
+ set_default_env("!spi_flash_probe_bus_cs() failed");
+ return 1;
+ }
+
+ env_flash = dev_get_uclass_priv(new);
+#else
+
if (!env_flash) {
env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS,
CONFIG_ENV_SPI_CS,
return 1;
}
}
+#endif
+ return 0;
+}
- 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);
+#if defined(CONFIG_ENV_OFFSET_REDUND)
+int saveenv(void)
+{
+ env_t env_new;
+ char *saved_buffer = NULL, flag = OBSOLETE_FLAG;
+ u32 saved_size, saved_offset, sector;
+ int ret;
+
+ ret = setup_flash_device();
+ if (ret)
+ return ret;
+
+ ret = env_export(&env_new);
+ if (ret)
+ return ret;
env_new.flags = ACTIVE_FLAG;
if (gd->env_valid == 1) {
if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
saved_size = CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SIZE;
saved_offset = env_new_offset + CONFIG_ENV_SIZE;
- saved_buffer = malloc(saved_size);
+ saved_buffer = memalign(ARCH_DMA_MINALIGN, saved_size);
if (!saved_buffer) {
ret = 1;
goto done;
goto done;
}
- if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
- sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
- if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
- sector++;
- }
+ sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
puts("Erasing SPI flash...");
ret = spi_flash_erase(env_flash, env_new_offset,
env_t *tmp_env2 = NULL;
env_t *ep = NULL;
- tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
- tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
-
+ tmp_env1 = (env_t *)memalign(ARCH_DMA_MINALIGN,
+ CONFIG_ENV_SIZE);
+ tmp_env2 = (env_t *)memalign(ARCH_DMA_MINALIGN,
+ CONFIG_ENV_SIZE);
if (!tmp_env1 || !tmp_env2) {
set_default_env("!malloc() failed");
goto out;
}
- 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");
+ ret = setup_flash_device();
+ if (ret)
goto out;
- }
ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET,
CONFIG_ENV_SIZE, tmp_env1);
tmp_env2->flags == ACTIVE_FLAG) {
gd->env_valid = 2;
} else if (tmp_env1->flags == tmp_env2->flags) {
- gd->env_valid = 2;
+ gd->env_valid = 1;
} else if (tmp_env1->flags == 0xFF) {
+ gd->env_valid = 1;
+ } else if (tmp_env2->flags == 0xFF) {
gd->env_valid = 2;
} else {
/*
* this differs from code in env_flash.c, but I think a sane
* default path is desirable.
*/
- gd->env_valid = 2;
+ gd->env_valid = 1;
}
if (gd->env_valid == 1)
ret = env_import((char *)ep, 0);
if (!ret) {
error("Cannot import environment: errno = %d\n", errno);
- set_default_env("env_import failed");
+ set_default_env("!env_import failed");
}
err_read:
#else
int saveenv(void)
{
- u32 saved_size, saved_offset, sector = 1;
- char *res, *saved_buffer = NULL;
+ u32 saved_size, saved_offset, sector;
+ char *saved_buffer = NULL;
int ret = 1;
env_t env_new;
- ssize_t len;
- if (!env_flash) {
- 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");
- return 1;
- }
- }
+ ret = setup_flash_device();
+ if (ret)
+ return ret;
/* Is the sector larger than the env (i.e. embedded) */
if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
goto done;
}
- if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
- sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
- if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
- sector++;
- }
-
- 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);
+ ret = env_export(&env_new);
+ if (ret)
goto done;
- }
- env_new.crc = crc32(0, env_new.data, ENV_SIZE);
+
+ sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
puts("Erasing SPI flash...");
ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET,
void env_relocate_spec(void)
{
- char buf[CONFIG_ENV_SIZE];
int ret;
+ char *buf = NULL;
- 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");
+ buf = (char *)memalign(ARCH_DMA_MINALIGN, CONFIG_ENV_SIZE);
+ if (!buf) {
+ set_default_env("!malloc() failed");
return;
}
+ ret = setup_flash_device();
+ if (ret)
+ goto out;
+
ret = spi_flash_read(env_flash,
CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf);
if (ret) {
set_default_env("!spi_flash_read() failed");
- goto out;
+ goto err_read;
}
ret = env_import(buf, 1);
if (ret)
gd->env_valid = 1;
-out:
+
+err_read:
spi_flash_free(env_flash);
env_flash = NULL;
+out:
+ free(buf);
}
#endif