Problem with kernel loading in PPC IBM405 based board
j.rakesh at gdatech.co.in
Fri Nov 7 14:36:34 EST 2003
I am using openBios code, but i m not able to load the zImage.treeboot using
tftp or serial port. I am directly loading the zImage.treeboot using JTAG
(RISCWATCH). But I am not able to find out the exact loaction where we should
load the image and then from where should be start running the kernel. I have
seen the stext loaction (0xc0000000). Can you guide me exactly where should I
load this image.
Thanks & Regards,
On Wednesday 11 June 2003 08:43 pm, Chris Zimman wrote:
> On Thu, Nov 06, 2003 at 08:05:59PM +0530, Rakesh jagota wrote:
> > Hi all,
> > I am working on PPC IBM 405 based processor board. I have kernel from
> > "montavista" 2.4.17-mv121 version. I have tried to put the vmlinux image
> > in the "SDRAM" after doing the all initialization (in boot level).
> > We are loading the vmlinux in SDRAM at 0x00020000. I am not able to see
> > any debug message on the serial port. I am not sure about the kernel jump
> > location. Is there any way to find out the exact location to load the
> > kernel and jump to proper location.
> You can't just boot vmlinux directly -- depending on which boot monitor
> you're using (eg. OSOpen, PPC/UBoot) you need to be using a different
> kernel image. If you're using OSOpen, you need zImage.treeboot. If you're
> using PPCBoot/UBoot, you need pImage.
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