diff --git a/env/env.c b/env/env.c index 14324bb..264917e 100644 --- a/env/env.c +++ b/env/env.c @@ -26,6 +26,44 @@ static struct env_driver *_env_driver_lookup(enum env_location loc) return NULL; } +static enum env_location env_locations[] = { +#ifdef CONFIG_ENV_IS_IN_EEPROM + ENVL_EEPROM, +#endif +#ifdef CONFIG_ENV_IS_IN_EXT4 + ENVL_EXT4, +#endif +#ifdef CONFIG_ENV_IS_IN_FAT + ENVL_FAT, +#endif +#ifdef CONFIG_ENV_IS_IN_FLASH + ENVL_FLASH, +#endif +#ifdef CONFIG_ENV_IS_IN_MMC + ENVL_MMC, +#endif +#ifdef CONFIG_ENV_IS_IN_NAND + ENVL_NAND, +#endif +#ifdef CONFIG_ENV_IS_IN_NVRAM + ENVL_NVRAM, +#endif +#ifdef CONFIG_ENV_IS_IN_REMOTE + ENVL_REMOTE, +#endif +#ifdef CONFIG_ENV_IS_IN_SPI_FLASH + ENVL_SPI_FLASH, +#endif +#ifdef CONFIG_ENV_IS_IN_UBI + ENVL_UBI, +#endif +#ifdef CONFIG_ENV_IS_NOWHERE + ENVL_NOWHERE, +#endif +}; + +static enum env_location env_load_location = ENVL_UNKNOWN; + /** * env_get_location() - Returns the best env location for a board * @op: operations performed on the environment @@ -45,38 +83,21 @@ static struct env_driver *_env_driver_lookup(enum env_location loc) */ static enum env_location env_get_location(enum env_operation op, int prio) { - /* - * We support a single environment, so any environment asked - * with a priority that is not zero is out of our supported - * bounds. - */ - if (prio >= 1) - return ENVL_UNKNOWN; - - if IS_ENABLED(CONFIG_ENV_IS_IN_EEPROM) - return ENVL_EEPROM; - else if IS_ENABLED(CONFIG_ENV_IS_IN_FAT) - return ENVL_FAT; - else if IS_ENABLED(CONFIG_ENV_IS_IN_EXT4) - return ENVL_EXT4; - else if IS_ENABLED(CONFIG_ENV_IS_IN_FLASH) - return ENVL_FLASH; - else if IS_ENABLED(CONFIG_ENV_IS_IN_MMC) - return ENVL_MMC; - else if IS_ENABLED(CONFIG_ENV_IS_IN_NAND) - return ENVL_NAND; - else if IS_ENABLED(CONFIG_ENV_IS_IN_NVRAM) - return ENVL_NVRAM; - else if IS_ENABLED(CONFIG_ENV_IS_IN_REMOTE) - return ENVL_REMOTE; - else if IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH) - return ENVL_SPI_FLASH; - else if IS_ENABLED(CONFIG_ENV_IS_IN_UBI) - return ENVL_UBI; - else if IS_ENABLED(CONFIG_ENV_IS_NOWHERE) - return ENVL_NOWHERE; - else - return ENVL_UNKNOWN; + switch (op) { + case ENVOP_GET_CHAR: + case ENVOP_INIT: + case ENVOP_LOAD: + if (prio >= ARRAY_SIZE(env_locations)) + return ENVL_UNKNOWN; + + env_load_location = env_locations[prio]; + return env_load_location; + + case ENVOP_SAVE: + return env_load_location; + } + + return ENVL_UNKNOWN; }