[U-Boot-Users] how to boot a root.cramfs in ram
zzh.hust at gmail.com
Mon Jun 20 03:38:27 CEST 2005
in vivi if can use bon to set partitionsand in DULG Manual i see
something like "root=/dev/mtdblock2" in BOOTARGS.but i can't find the
defination of mtd partition in /board/smdk2410/smdk2410.c or
smdk2410.h.and i wonder whether i must set "root=/dev/mtdblockX" in my
BOOTARGS or i can just set the physical address of root-cramfs in NAND
On 6/17/05, Wolfgang Denk <wd at denx.de> wrote:
> In message <50c9a22505061618244cefe187 at mail.gmail.com> you wrote:
> > i use uboot loadb command to place kenerl on 0x32000000, root.cramfs
> > on 0x30800000,and when i type bootm 32000000 30800000, it just boot as
> > there is a ramdisk image.Does uboot support boot cramfs rootfs in ram?
> > what's the command?
> U-Boot can be used to load a cramfs image (or any other file) into
> RAM. All the rest is not an U-Boot issue, but a question if your
> Linux kernel knows how to deal with such a setup.
> 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
> "How is this place run - is it an anarchy?"
> "No, I wouldn't say so; it is not that well organised..."
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