"Patrick .." oc3an@gmx.net schreibt:
On another note, is there any reason you chose a master clock divisor of
4
instead of 3 for the CSB637?
Hi,
like I already said: "I got the clock values from linux 2.6.12 board-csb637.c" I didn't choose them myself.
I have looked over the data sheets for all relevant devices (SDRAM, StrataFlash) and they definitely support at least 60Mhz (what divider 3 gives).
Feel free to change it, then (but please make sure to update arch/arm/mach-at91rm9200/board-csb637.c accordingly, otherwise at least the serial interfaces will not work).
Cheers Anders
P.S.: PLEASE keep the list CC'ed.
No proglems, list is CC'd!! :)
Linux still appears to boot fine right up until it says.
RAMDISK: Couldn't find valid RAM disk image starting at 0. Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)
which is expected.
You are correct, the /arch/arm/mach-at91rm9200/board-csb637.c file had to be edited in order to work with the new master clock. I believe there is a way of detecting clock speeds which i will look up later. This would be better than them being hard-coded.
This is probably a bit off topic for this list, but does anyone know a way of making ram disk images that doesn't require root access (which i don't have on the box i am working on)
I am aware of the following method:
dd if=/dev/zero of=rootfs.img bs=1k count=400 mkfs.ext2 -c rootfs.img mount -o loop rootfs.img /mntpoint cp -av rootfs/* /mntpoint umount /mntpoint gzip -v9 -c rootfs.img >rootfs.gz
However mount requires root access :(
-Patrick