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Date: Tue, 28 Aug 2007 12:48:52 -0500
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: Valentine Barshak <vbarshak@ru.mvista.com>
Subject: Re: [PATCH 3/4] PowerPC 440EPx: Sequoia board support
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On Tue, 28 Aug 2007 21:00:07 +0400
Valentine Barshak <vbarshak@ru.mvista.com> wrote:

> diff -ruN linux-2.6.orig/arch/powerpc/platforms/44x/sequoia.c linux-2.6/arch/powerpc/platforms/44x/sequoia.c
> --- linux-2.6.orig/arch/powerpc/platforms/44x/sequoia.c	1970-01-01 03:00:00.000000000 +0300
> +++ linux-2.6/arch/powerpc/platforms/44x/sequoia.c	2007-08-28 17:04:51.000000000 +0400
> @@ -0,0 +1,66 @@
> +/*
> + * Sequoia board specific routines
> + *
> + * Valentine Barshak <vbarshak@ru.mvista.com>
> + * Copyright 2007 MontaVista Software Inc.
> + *
> + * Based on the Bamboo code by
> + * Josh Boyer <jwboyer@linux.vnet.ibm.com>
> + * Copyright 2007 IBM Corporation
> + *
> + * This program is free software; you can redistribute  it and/or modify it
> + * under  the terms of  the GNU General  Public License as published by the
> + * Free Software Foundation;  either version 2 of the  License, or (at your
> + * option) any later version.
> + */
> +#include <linux/init.h>
> +#include <asm/machdep.h>
> +#include <asm/prom.h>
> +#include <asm/udbg.h>
> +#include <asm/time.h>
> +#include <asm/uic.h>
> +#include <asm/of_platform.h>
> +#include "44x.h"
> +
> +static struct of_device_id sequoia_of_bus[] = {
> +	{ .compatible = "ibm,plb", },

As we discussed on IRC, this needs to explicitly match one of the
compatible properties in the Sequoia DTS file.  Otherwise it won't
probe your PLB and find anything.

josh