On Tue, 6 Feb 2001, Ward Willats wrote:
> At 5:05 PM -0500 2/5/01, Nicolas Pitre wrote:
> >the best I found so far, which consist of using two flash partitions:
> >the first one being a single flash sector long to hold your bootloader, and
> >the second one spaning onto the entire remaining flash using JFFS
>
> This sounds great, but any thoughts on the best way to go about bootstrapping
> it?
>
> Our automated build kicks out a bootloader, kernel and ramdisk image.
> I can use blob to put the kernel and ramdisk in RAM, boot the system,
> then zmodem the kernel and ramdisk to the running system and use "dd"
> to burn it in a flash partition for all time.
>
> If I use JFFS for the root FS, I'd like to preload it with that FS. But,
> as far as I know, there is no "makejffs" or way to stage a JFFS filesystem
> on other media.
Yes, there is. it's in MTD's CVS:
cvs -d :pserver:[EMAIL PROTECTED]:/home/cvs login (password: anoncvs)
cvs -d :pserver:[EMAIL PROTECTED]:/home/cvs co mtd
then look into mtd/util/.
> I don't have a network, only the serial link and/or jtag.
>
> -- Ward
>
> P.S. As an aside, is there an easy way to erase/format a JFFS partition? I've
> been using jtag to blow it away when I need to, but that seems extreme (and
> a "dd if=/dev/zero of=/flash" doesn't work -- I think JFFS wants 0xFF).
Look in the same MTD directory for a tool called "eraseall".
> P.S.S. Ever use busybox to "mv" a directory into a directory on JFFS? The
> results on my 2.4.0 kernel are not pretty!
Better use 'cp -a'
Nicolas
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