Hi Jack Xu,

When we want to write any data on to an address location of the flash device,this address location should match with any sector starting address.

In your case,the flash address where you want the environment variables to be copied, does not seem to be the beginning address of any flash sector .

Verifying the address value where you want to write with the sector start addresses , might solve your problem.

Regards, Verma.

xbc_5419 wrote:

hi,

i have been trying to port the u-boot 1.2.0 to my board which based on the at91rm9200.

when running the 'saveenv' ,it promted out

   "Saving Environment to Flash...
    Error: start address not on sector boundary"

my flash is MT-28F128J3, which has 128 128KB(x16bit) erase blocks,in the include/configs/myboard.h i defined the #define PHYS_FLASH_1 0x10000000 #define PHYS_FLASH_SIZE 0x1000000 /* 16 megs main flash */ #define CFG_FLASH_BASE PHYS_FLASH_1 #define CFG_MAX_FLASH_BANKS 1 #define CFG_MAX_FLASH_SECT 128

   #define CFG_ENV_IS_IN_FLASH  1
   #ifdef CONFIG_SKIP_LOWLEVEL_INIT
   #define CFG_ENV_ADDR   (PHYS_FLASH_1 + 0x60000)  /* after

u-boot.bin */ #define CFG_ENV_SIZE 0x10000 /* sectors are 64K here */ #else #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */ #define CFG_ENV_SIZE 0x2000 /* 0x8000 */ #endif /* CONFIG_SKIP_LOWLEVEL_INIT */

what can i do to fix it ...?? Any help will be appreciated....thanks you...

Best Regards

Jack Xu 2007-10-23

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