Re: Booting AMD Elan520 without BIOS

From: Eric W. Biederman (ebiederm@xmission.com)
Date: Fri Nov 24 2000 - 17:31:56 EST


Ronald G Minnich <rminnich@lanl.gov> writes:

> On Fri, 24 Nov 2000, I+D wrote:
>
> > I'm trying to boot an AMD Elan520 board without bios
> > with kernel 2.4.0-test10 configured for i486 and PCI direct access.
> > This kernel boots correctly from HD using the bios provided with the
> > evaluation board but kernel 2.4.0-test8 and previous hang
> > after "Ok booting the kernel".
>
> well, first I want your code for linuxbios :-)
>
> > The last message I see is "Calibrating delay loop"
> > (I see this thaks to the Jtag debugger for Elan520 because
> > I haven't configured the VGA board yet).
>
> you don't have clock interrupts on. If you are able to single step you'll
> probably see it in the loop spinning on jiffies. This is one of our
> regular problems with a new mainboard.

This can also easily be a misconfiguration of the local apic.
I might need to be put into virtual wire mode.

Eric

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