[U-Boot-Users] Question about CFG_ENV_ADDR during RAMBOOT
wd at denx.de
Wed May 23 02:15:37 CEST 2007
In message <46535B7B.2090903 at freescale.com> you wrote:
> >> Looks to me like it would be better defined:
> >> #define CFG_ENV_SIZE 0x2000
> >> #define CFG_ENV_ADDR (CFG_MONITOR_BASE - CFG_ENV_SIZE)
> > No, this is broken as CFG_ENV_SIZE may be (and often actually is)
> > smaller than CFG_ENV_SECT_SIZE
> Why would that matter? Does the environment need to be located on a sector boundary?
Look at the code.
> > One could argue that a correctly configured ramboot version would
> > access the original copy of the environment in flash. But such
> > discussion is void, as ramboot itself it not supported officially.
> My understanding of ramboot is that its sole purpose is to boot U-Boot when flash isn't
> working at all, so any ramboot-enabled U-Boot would never access anything on flash.
Other people had other ideas.
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