I was having this same problem, and it turned out I was writing the enviornment over the top of some of my u-boot code.
I'd make sure CFG_ENV_OFFSET is set to an empty area.
NZG. On Monday 02 May 2005 02:21, Wayne Lee wrote:
Hi, u-boot users,
I have written hardware-dependent flash functions for my EVB u-boot support. Hence, "saveenv" works and I can see the env data in the configured env sector by "md" command.
However, I still get the warning messages, "*** Warning - bad CRC, using default environment", after press reset button.
Should any CONFIG/CFG need to be added in board configuration file?
I use u-boot 1.1.2 and the followings are part of board configurations.
/*-----------------------------------------------------------------------
- Physical Memory Map
*/ #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ #define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ #define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */ #define PHYS_FLASH_1 0xFF800000 /* Flash Bank #1 */ #define CFG_FLASH_BASE PHYS_FLASH_1
/*-----------------------------------------------------------------------
- FLASH and environment organization
*/ #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define PHYS_FLASH_SIZE 0x00400000 /* 4MB */ #define CFG_MAX_FLASH_SECT (71) /* max number of sectors on one chip */ /* addr of environment */ #define CFG_FLASH_CFI /* The flash is CFI compatible */
#define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x2000 #define CFG_ENV_OFFSET 0x3F8000 /* environment starts here */ #define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
Thanks. Wayne
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