[U-Boot-Users] Error: end address not on sector boundary

[Jerry Van Baren]

Hurricane555 wrote:
> 
> Nuno João (Ext_NBS) wrote:
>>> From: u-boot-users-bounces at lists.sourceforge.net 
>>> [mailto:u-boot-users-bounces at lists.sourceforge.net] On Behalf 
>>> Of Hurricane555
>>> Sent: terça-feira, 6 de Junho de 2006 8:48
>>> To: u-boot-users at lists.sourceforge.net
>>> Subject: Re: [U-Boot-Users] Error: end address not on sector boundary
>>>
>>>
>>> Now I changed my settings as follows:
>>>
>>>
>>> #define PHYS_FLASH_SIZE		0x000400000 /* 4 MB */
>>> ...
>>
>> 	This is mine:
>>
>> #define CFG_ENV_IS_IN_FLASH     1
>> #define CFG_ENV_SECT_SIZE       0x40000     /* 256K (one sector) for env
>> */
>> #define CFG_ENV_SIZE            CFG_ENV_SECT_SIZE
>> #define CFG_ENV_ADDR            0xffe00000
>>
>> 	I have a 256KB sized-sector flash, u-boot (512KB) at 0xFFF80000 
>> 	(at the end of flash) and the environment at 0xFFE00000 (1 sector).
>>
>>
>>> Now I can make saveenv, but after restart the bootloader is damaged!
>> 	This probably means that you're setting your environment to
>> 	overlap u-boot's flash area. Check your memory map and (re-)read
>> 	the file README in u-boot's root directory about the environment's
>> 	configuration defines.
>>
>>
>> _______________________________________________
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>> U-Boot-Users at lists.sourceforge.net
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>>
>>
> 
> Hmmmm.... I see what my mistake was! 
> My ENV was on the same address like U-BOOT!
> 
> 
> U-BOOT is now on address 50000000. The ENV on 50010000!
> 
> I checked this address and I was clear! No data was on it, so I thougt I
> could use the section for my ENV. But when I make saveenv the bootloader is
> dead!? Why?

According to the above, your sector size is 0x40000 (256K) but you 
stored your ENV at u-boot + 0x10000 (64K) which is in the same sector as 
u-boot.  When you erased your ENV area, you inadvertently erased u-boot 
as well since it is all in one sector.

gvb