- if (gd->env_valid == 2)
- off = CONFIG_ENV_OFFSET_REDUND;
-#endif
- eeprom_bus_read(CONFIG_SYS_DEF_EEPROM_ADDR,
- off, (uchar *)buf, CONFIG_ENV_SIZE);
-
- env_import(buf, 1);
-}
-
-int saveenv(void)
-{
- env_t env_new;
- ssize_t len;
- char *res;
- int rc;
- unsigned int off = CONFIG_ENV_OFFSET;
-#ifdef CONFIG_ENV_OFFSET_REDUND
- unsigned int off_red = CONFIG_ENV_OFFSET_REDUND;
- char flag_obsolete = OBSOLETE_FLAG;
-#endif
-
- BUG_ON(env_ptr != NULL);
-
- 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);
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
- if (gd->env_valid == 1) {
- off = CONFIG_ENV_OFFSET_REDUND;
- off_red = CONFIG_ENV_OFFSET;
- }
-
- env_new.flags = ACTIVE_FLAG;
-#endif
-
- rc = eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR,
- off, (uchar *)&env_new, CONFIG_ENV_SIZE);
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
- if (rc == 0) {
- eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR,
- off_red + offsetof(env_t, flags),
- (uchar *)&flag_obsolete, 1);
-
- if (gd->env_valid == 1)
- gd->env_valid = 2;
- else
- gd->env_valid = 1;
- }
-#endif
- return rc;
-}
-
-/*
- * Initialize Environment use
- *
- * We are still running from ROM, so data use is limited.
- * Use a (moderately small) buffer on the stack
- */
-#ifdef CONFIG_ENV_OFFSET_REDUND
-int env_init(void)
-{