From: Xie Xiaobo Date: Mon, 3 Oct 2011 19:54:21 +0000 (-0700) Subject: powerpc/mpc8536ds: Save the env variables to SDcard and SPI flash X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-favicon.png?a=commitdiff_plain;h=2d4afd493b35e1a3b84cbf0a3098977c9f9b57ca;p=u-boot.git powerpc/mpc8536ds: Save the env variables to SDcard and SPI flash MPC8536DS offer booting from SDcard or SPI flash. This patch defined that u-boot can save the environment variables on SDcard or SPI flash when booting from the related device. The Env parameter region and linux kernel region have overlap in SPI-Flash, So change the Env param saving address. Signed-off-by: Xie Xiaobo Signed-off-by: Kumar Gala --- diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h index 3c7e7351ab..4b8cba24b2 100644 --- a/include/configs/MPC8536DS.h +++ b/include/configs/MPC8536DS.h @@ -644,10 +644,24 @@ #if defined(CONFIG_SYS_RAMBOOT) #if defined(CONFIG_RAMBOOT_NAND) - #define CONFIG_ENV_IS_IN_NAND 1 - #define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE - #define CONFIG_ENV_OFFSET ((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE) -#elif defined(CONFIG_RAMBOOT_SDCARD) || defined(CONFIG_RAMBOOT_SPIFLASH) +#define CONFIG_ENV_IS_IN_NAND 1 +#define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE +#define CONFIG_ENV_OFFSET ((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE) +#define CONFIG_ENV_RANGE (3 * CONFIG_ENV_SIZE) +#elif defined(CONFIG_RAMBOOT_SPIFLASH) +#define CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_SPI_BUS 0 +#define CONFIG_ENV_SPI_CS 0 +#define CONFIG_ENV_SPI_MAX_HZ 10000000 +#define CONFIG_ENV_SPI_MODE 0 +#define CONFIG_ENV_SIZE 0x2000 /* 8KB */ +#define CONFIG_ENV_OFFSET 0xF0000 +#define CONFIG_ENV_SECT_SIZE 0x10000 +#elif defined(CONFIG_RAMBOOT_SDCARD) +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_ENV_SIZE 0x2000 +#define CONFIG_SYS_MMC_ENV_DEV 0 +#else #define CONFIG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */ #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - 0x1000) #define CONFIG_ENV_SIZE 0x2000