+ /* Is the sector larger than the env (i.e. embedded) */
+ if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
+ saved_size = CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SIZE;
+ saved_offset = CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE;
+ saved_buffer = malloc(saved_size);
+ if (!saved_buffer)
+ goto done;
+
+ ret = spi_flash_read(env_flash, saved_offset,
+ saved_size, saved_buffer);
+ if (ret)
+ 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++;
+ }
+
+ ret = env_export(&env_new);
+ if (ret)
+ goto done;
+
+ puts("Erasing SPI flash...");
+ ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET,
+ sector * CONFIG_ENV_SECT_SIZE);
+ if (ret)
+ goto done;
+
+ puts("Writing to SPI flash...");
+ ret = spi_flash_write(env_flash, CONFIG_ENV_OFFSET,
+ CONFIG_ENV_SIZE, &env_new);
+ if (ret)
+ goto done;
+
+ if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
+ ret = spi_flash_write(env_flash, saved_offset,
+ saved_size, saved_buffer);
+ if (ret)
+ goto done;
+ }
+
+ ret = 0;
+ puts("done\n");
+
+ done:
+ if (saved_buffer)
+ free(saved_buffer);
+
+ return ret;
+}
+
+void env_relocate_spec(void)
+{
+ 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;
+ }
+
+ ret = spi_flash_read(env_flash,
+ CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf);
+ if (ret) {
+ set_default_env("!spi_flash_read() failed");
+ goto out;
+ }
+
+ ret = env_import(buf, 1);
+ if (ret)
+ gd->env_valid = 1;
+out:
+ spi_flash_free(env_flash);
+ if (buf)
+ free(buf);
+ env_flash = NULL;