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Re: other info about Toshiba TX3927 board boot problem.

To: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>
Subject: Re: other info about Toshiba TX3927 board boot problem.
From: Alice Hennessy <ahennessy@mvista.com>
Date: Mon, 29 Oct 2001 17:46:27 -0800
Cc: "linux-mips@oss.sgi.com" <linux-mips@oss.sgi.com>, "carstenl@mips.com" <carstenl@mips.com>, ahennessy@mvista.com, ajob4me@21cn.com
References: <200110290956.f9T9uc028676@oss.sgi.com>
Sender: owner-linux-mips@oss.sgi.com
8route wrote:

> Dear Atsushi:
>   Hi!
>   I found the reset switch on the TX3927 board can work if you switch it
> against the PCI interface when
> ==================================
>   VFS: Mounted root (NFS filesystem).
>   Freeing unused kernel memory: 44k freed
> ========================================
> ,usually I switch it towards the PCI interface.
>
>   And I have fixed the source code of process.c as you said.
> >For TX3927, you must skip those two lines in exit_thread() and
> >flush_thread().
> >
> >               set_cp0_status(ST0_CU1, ST0_CU1);
> >               __asm__ __volatile__("cfc1\t$0,$31");
> >
> >
> But the problem still exists.The serial console output will stop at
> ==================================
>   VFS: Mounted root (NFS filesystem).
>   Freeing unused kernel memory: 44k freed
> ========================================
>
>   I think that maybe the Linux system has booted up OK,but there is
> something wrong with the serial console because serial ports are integrated
> with TX3927.Do you agree?Please consider it in your latest patch.
> >By the way, now I'm planning to send patches for TX CPU boards
> >(including JMR3927) to oss.sgi.com.  If you can wait a while, you can
> >try it.
> Thank you very much.
>
> 8route
> ajob4me@21cn.com
> 10/29/2001

I have already submitted a patch to Ralf for the JMR3927 and am waiting for
his reply.
We should coordinate to make sure we don't overwrite each other.

Alice

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