uboot environment variables size for Yosemite board.

Wolfgang Denk wd at denx.de
Mon Jul 17 17:00:18 EST 2006

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:

	=> 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

The current code does use (redundand) flash for environment storage.

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
The idea of male and female are universal constants.
	-- Kirk, "Metamorphosis", stardate 3219.8

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