Re: [PATCH] AMD Elan SC4x0 work-around, kernel 2.3.99-pre5

From: Stuart Lynne (sl@whiskey.fireplug.net)
Date: Thu Apr 20 2000 - 22:27:37 EST


In article <Pine.LNX.3.95.1000420074505.6790A-100000@chaos.analogic.com>,
Richard B. Johnson <root@chaos.analogic.com> wrote:
>On Wed, 19 Apr 2000, Anders Larsen wrote:
>
>> Hi,
>>
>> the enclosed benign patch solves two independent problems with the AMD
>> Elan SC400 series of embedded CPUs (a 486 with DRAM controller, 8253,
>> dual 8259, 16550 and EPP on a single chip):
>>
>
>How did you get it to boot? I have the same "demo-board". Linux comes
>up and crashes immediately with an unrecognizable scroll of high-speed
>junk on the screen. Further, the boot-ROM seems to leave the machine
>in virtual-86 mode after a reset so setting the PE bit traps to the
>built-in debugger.
>
>I have to boot DOS, then warm-boot Linux. NotGood(tm)

Are you using the AMD SC400 Eval board? I did a project on it last summer
and it worked fine with Linux (2.2.9).

What BIOS are you using? The eval board comes with several. Perhaps you will
get better results with a different BIOS.

-- 
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Stuart Lynne <sl@fireplug.net>       www.fireplug.net        604-461-7532

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