uboot environment variables size for Yosemite board.

John Otken jotken at softadvances.com
Mon Jul 17 21:02:33 EST 2006

Wolfgang Denk wrote:
> In message <FAB00A8DC59FAB42B13C2B3B0F6877010D14478B at ehost011-3.exch011.intermedia.net> you wrote:
>> I'm using uboot-1.1.4 for AMCC PPC440E Yosemite board. I've downloaded
> Note that this is off topic here. You should have posted this on  the
> U-Boot-Users mailing list instead.
>> this uboot from DENX site. It uses EEPROM to store environment
>> variables. Since EEPROM on Yosemite board is only 512 bytes, there can
>> not be more environment variables which is not very convenient.
> Thisi s wrong. The Yosemite configuration uses (like most (all?) AMCC
> eval boards - two redundand flash sectors to store  the  environment.
> And available environment size is 8 kB:

He has an older Yosemite.  The original Yosemite U-Boot used the EEPROM
for environment variables.

> 	=> print
> 	...
> 	Environment size: 1355/8187 bytes
>> There is theoretical possibility to save these variables on flash (64M
>> from which I use only part) and yosemite.h header file even has defines,
>> allowing this option. But is it going work in reality? What is simplest
>> way for Yosemite board to increase environment variables storage space?
> I have no idea where you got your board configuration from, but it is
> definitely   not   current   code,   nor   the   binary   image    at
> ftp://ftp.denx.de/pub/u-boot/images/amcc/yosemite/u-boot.bin
> The current code does use (redundand) flash for environment storage.
> Best regards,
> Wolfgang Denk

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