diff options
Diffstat (limited to 'include/configs')
| -rw-r--r-- | include/configs/mx28evk.h | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h index 8f791aa484..04967d7d2c 100644 --- a/include/configs/mx28evk.h +++ b/include/configs/mx28evk.h @@ -64,6 +64,8 @@ #define CONFIG_CMD_NET #define CONFIG_CMD_NFS #define CONFIG_CMD_PING +#define CONFIG_CMD_SF +#define CONFIG_CMD_SPI #define CONFIG_CMD_USB /* @@ -127,9 +129,11 @@ * MMC Driver */ #define CONFIG_ENV_IS_IN_MMC -#define CONFIG_ENV_OFFSET (256 * 1024) -#define CONFIG_ENV_SIZE (16 * 1024) -#define CONFIG_SYS_MMC_ENV_DEV 0 +#ifdef CONFIG_ENV_IS_IN_MMC + #define CONFIG_ENV_OFFSET (256 * 1024) + #define CONFIG_ENV_SIZE (16 * 1024) + #define CONFIG_SYS_MMC_ENV_DEV 0 +#endif #define CONFIG_CMD_SAVEENV #ifdef CONFIG_CMD_MMC #define CONFIG_MMC @@ -170,6 +174,40 @@ #endif /* + * SPI + */ +#ifdef CONFIG_CMD_SPI +#define CONFIG_HARD_SPI +#define CONFIG_MXS_SPI +#define CONFIG_SPI_HALF_DUPLEX +#define CONFIG_DEFAULT_SPI_BUS 2 +#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 + +/* SPI Flash */ +#ifdef CONFIG_CMD_SF +#define CONFIG_SPI_FLASH +/* this may vary and depends on the installed chip */ +#define CONFIG_SPI_FLASH_SST +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 +#define CONFIG_SF_DEFAULT_SPEED 24000000 + +/* (redundant) environemnt in SPI flash */ +#undef CONFIG_ENV_IS_IN_SPI_FLASH +#ifdef CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_SYS_REDUNDAND_ENVIRONMENT +#define CONFIG_ENV_SIZE 0x1000 /* 4KB */ +#define CONFIG_ENV_OFFSET 0x40000 /* 256K */ +#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) +#define CONFIG_ENV_SECT_SIZE 0x1000 +#define CONFIG_ENV_SPI_CS 0 +#define CONFIG_ENV_SPI_BUS 2 +#define CONFIG_ENV_SPI_MAX_HZ 24000000 +#define CONFIG_ENV_SPI_MODE SPI_MODE_0 +#endif +#endif +#endif + +/* * Boot Linux */ #define CONFIG_CMDLINE_TAG |