In message <Pine.WNT.4.61.0507211609080.2672 at holyoke.labs.mot.com> you wrote: > > Sigh...found it, after weeks of on-and-off work... Our board has 64 MB of > RAM but I'm passing "mem=32M" to the kernel because we want our app to man- > age the high 32 MB. > > U-Boot defaults to copying an initrd into the highest available RAM. That > put it in an area outside of Linux's knowledge, D'OH. All I had to do was > set U-Boot's 'initrd_high' env var and things work.
Note: if you want the content of this reserved area to survice warmboots you can enable the "protected RAM" feature in U-Boot (CONFIG_PRAM), and it will not touch this area at all. Useful for things like pramfs for example :-) 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 Never worry about theory as long as the machinery does what it's supposed to do. - R. A. Heinlein
