On Sep 4, 2008, at 7:25 AM, Ferrari Domenico wrote:
Hi,
I have worked very well with the MCF5235EVB but I now the necessity
to use a MCF5282EVB but I’m not be able to start the kernel.
I’m using U-boot bootloader, when I run the image in RAM an
exception error happens no message are showed by the kernel, I’m
using the standard configuration, Vendor (Freescale, M5282EVB,
64MHZ) and I try both kernel 2.4 and 2.6 but the result is the
same, someone can help me???
#1: Is the load address in the uImage header the same as the address
you're loading the image? If so, then u-boot assumes XIP and the
kernel gets all borked up. Try loading the image at a different
address. You are making a uImage, no? u-boot comes with a tool called
"mkimage" which adds a header to the kernel file, and optionally
compresses it.
#2: uClinux, as shipped, does not use the command line passed in from
u-boot. You can either compile in a command line, or make a small
modification to uClinux to get the arguments off the stack before the
kernel munches them. I can post my mods, if you're interested. I also
have u-boot able to pass an initrd to the kernel.
-
allon
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