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From: Kumar Gala <galak@kernel.crashing.org>
Subject: Re: [RFC 2/3] MPC8544 DTS file
Date: Wed, 7 Mar 2007 22:39:07 -0600
To: Jon Loeliger <jdl@freescale.com>
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On Mar 7, 2007, at 3:14 PM, Jon Loeliger wrote:

> diff --git a/arch/powerpc/boot/dts/mpc8544ds.dts b/arch/powerpc/ 
> boot/dts/mpc8544ds.dts
> new file mode 100644
> index 0000000..7eb7ccc
> --- /dev/null
> +++ b/arch/powerpc/boot/dts/mpc8544ds.dts
> @@ -0,0 +1,352 @@
> +/*
> + * MPC8544 DS Device Tree Source
> + *
> + * Copyright 2007 Freescale Semiconductor Inc.
> + *
> + * 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.
> + */
> +
> +/ {
> +	model = "MPC8544DS";
> +	compatible = "mpc85xx";

Been doing the following on other 85xx:
         compatible = "MPC8540ADS", "MPC85xxADS";

Not sure if there will be other "DS" boards with 85xx?

[snip]

> +
> +	memory {
> +		device_type = "memory";
> +		reg = <00000000 20000000>;	// 512M at 0x0
> +	};

Does the u-boot fill this in?

> +
> +		mpic: pic@40000 {
> +			clock-frequency = <0>;
> +			interrupt-controller;
> +			#address-cells = <0>;
> +			#interrupt-cells = <2>;
> +			reg = <40000 40000>;
> +			built-in;
> +			compatible = "chrp,open-pic";
> +			device_type = "open-pic";
> +			big-endian;
> +
> +			interrupts = <
> +				10 2 11 2 12 2 13 2
> +				14 2 15 2 16 2 17 2
> +				18 2 19 2 1a 2 1b 2
> +				1c 2 1d 2 1e 2 1f 2
> +				20 2 21 2 22 2 23 2
> +				24 2 25 2 26 2 27 2
> +				28 2 29 2 2a 2 2b 2
> +				2c 2 2d 2 2e 2 2f 2
> +				30 2 31 2 32 2 33 2
> +				34 2 35 2 36 2 37 2
> +				38 2 39 2 2a 2 3b 2
> +				3c 2 3d 2 3e 2 3f 2
> +				48 1 49 2 4a 1
> +			>;
> +
> +

I think this is old and can be removed

> 			interrupt-parent = <&mpic>;
> +		};
> +	};
> +};

- k