[U-Boot-Users] [PATCH]: Fix for bug: U-boot environment corrupt by reading uninitialized flash memory instead of RAM.

[Wolfgang Denk]

In message <20080506172309.1dff34bc at hskinnemo-gx620.norway.atmel.com> you wrote:
>
> Hmm...maybe this is a stupid question, but why can't it _always_ use
> the RAM area to look up the environment? env_init() is one of the first
> things to be called during bootstrap...

One of the first accesses to the environment happens when we need  to
read  the  console  baudrate to initialize the serial interface. This
happens very, very early in the initialization, long  before  RAM  is
even usable.

> Maybe it's wishful thinking, but if we could get rid of this extra
> logic, u-boot would become simpler, smaller and faster, right?

Unfortunately this is not the case.

Best regards,

Wolfgang Denk

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