[U-Boot-Users] AMD dbau1550

Thomas Lange thomas at corelatus.se
Mon May 24 21:53:35 CEST 2004

The first thing I would check, is the parameters passed to kernel.
E.g. wrong memory size will make things really bad.

Default behaviour for dbau1x00 u-boot is to pass mem size in bytes.
Does your kernel expect that?

I suggest activating DEBUG macro in lib_mips/mips_linux.c


Leif Lindholm wrote:
> Hi
> I've been working on getting u-boot 1.1.1 up and running on <subject>,
> in little endian mode (which someone asked for a few days ago I
> believe).
> I've been able to get as far as "Starting kernel ..." after downloading
> the kernel u-boot image through tftp.
> I know this tecnically means u-boot is finished, however the same kernel
> (in srec format) boots fine from the original yamon loader on the board.
> When I halt the processor through jtag (bdi2000), the PC is always at
> 0xbfc00424 (somewhere in ROM exception land?).
> The loaded image has been configured using 
> tools/mkimage -C gzip -a 0x80100000 -e 0x80246040 -A mips -O linux -T kernel -d vmlinux.gz vmlinux.u-boot
> 0x80246040 is the location of "kernel_entry".
> Does anyone have any hints about how I could work my way past this problem?
> regards
> 	/
> 		Leif
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