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Subject: Re: [PATCH 2/5] [POWERPC] Add AMCC Canyonlands 460EX eval board
	support to platforms/44x
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Stefan Roese <sr@denx.de>
In-Reply-To: <1203602446-11330-1-git-send-email-sr@denx.de>
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Date: Fri, 22 Feb 2008 17:23:38 +1100
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On Thu, 2008-02-21 at 15:00 +0100, Stefan Roese wrote:
> Signed-off-by: Stefan Roese <sr@denx.de>

Ack.

> ---
>  arch/powerpc/platforms/44x/Kconfig       |   18 ++++++++
>  arch/powerpc/platforms/44x/Makefile      |    1 +
>  arch/powerpc/platforms/44x/canyonlands.c |   64 ++++++++++++++++++++++++++++++
>  3 files changed, 83 insertions(+), 0 deletions(-)
>  create mode 100644 arch/powerpc/platforms/44x/canyonlands.c
> 
> diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
> index c062c4c..b56690c 100644
> --- a/arch/powerpc/platforms/44x/Kconfig
> +++ b/arch/powerpc/platforms/44x/Kconfig
> @@ -67,6 +67,16 @@ config WARP
>  	  See http://www.pikatechnologies.com/ and follow the "PIKA for Computer
>  	  Telephony Developers" link for more information.
>  
> +config CANYONLANDS
> +	bool "Canyonlands"
> +	depends on 44x
> +	default n
> +	select 460EX
> +	select PCI
> +	select PPC4xx_PCI_EXPRESS
> +	help
> +	  This option enables support for the AMCC PPC460EX evaluation board.
> +
>  #config LUAN
>  #	bool "Luan"
>  #	depends on 44x
> @@ -122,6 +132,14 @@ config 440SPe
>          select IBM_NEW_EMAC_EMAC4
>  	bool
>  
> +config 460EX
> +	bool
> +	select PPC_FPU
> +	select IBM_NEW_EMAC_EMAC4
> +	select IBM_NEW_EMAC_RGMII
> +	select IBM_NEW_EMAC_ZMII
> +	select IBM_NEW_EMAC_TAH
> +
>  # 44x errata/workaround config symbols, selected by the CPU models above
>  config IBM440EP_ERR42
>  	bool
> diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
> index 0864d4f..d70eb03 100644
> --- a/arch/powerpc/platforms/44x/Makefile
> +++ b/arch/powerpc/platforms/44x/Makefile
> @@ -7,3 +7,4 @@ obj-$(CONFIG_KATMAI)	+= katmai.o
>  obj-$(CONFIG_RAINIER)	+= rainier.o
>  obj-$(CONFIG_WARP)	+= warp.o
>  obj-$(CONFIG_WARP)	+= warp-nand.o
> +obj-$(CONFIG_CANYONLANDS) += canyonlands.o
> diff --git a/arch/powerpc/platforms/44x/canyonlands.c b/arch/powerpc/platforms/44x/canyonlands.c
> new file mode 100644
> index 0000000..dac5b32
> --- /dev/null
> +++ b/arch/powerpc/platforms/44x/canyonlands.c
> @@ -0,0 +1,64 @@
> +/*
> + * Canyonlands board specific routines
> + *
> + * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
> + *
> + * Based on the Katmai code by
> + * Benjamin Herrenschmidt <benh@kernel.crashing.org>
> + * Copyright 2007 IBM Corp.
> + * 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 <linux/of_platform.h>
> +
> +#include <asm/machdep.h>
> +#include <asm/prom.h>
> +#include <asm/udbg.h>
> +#include <asm/time.h>
> +#include <asm/uic.h>
> +#include <asm/pci-bridge.h>
> +
> +#include "44x.h"
> +
> +static __initdata struct of_device_id canyonlands_of_bus[] = {
> +	{ .compatible = "ibm,plb4", },
> +	{ .compatible = "ibm,opb", },
> +	{ .compatible = "ibm,ebc", },
> +	{},
> +};
> +
> +static int __init canyonlands_device_probe(void)
> +{
> +	of_platform_bus_probe(NULL, canyonlands_of_bus, NULL);
> +
> +	return 0;
> +}
> +machine_device_initcall(canyonlands, canyonlands_device_probe);
> +
> +static int __init canyonlands_probe(void)
> +{
> +	unsigned long root = of_get_flat_dt_root();
> +
> +	if (!of_flat_dt_is_compatible(root, "amcc,canyonlands"))
> +		return 0;
> +
> +	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
> +
> +	return 1;
> +}
> +
> +define_machine(canyonlands) {
> +	.name 				= "Canyonlands",
> +	.probe 				= canyonlands_probe,
> +	.progress 			= udbg_progress,
> +	.init_IRQ 			= uic_init_tree,
> +	.get_irq 			= uic_get_irq,
> +	.restart			= ppc44x_reset_system,
> +	.calibrate_decr			= generic_calibrate_decr,
> +};