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Commit 833e31e7 authored by Li Yang's avatar Li Yang Committed by Kumar Gala
Browse files

[POWERPC] 83xx: Add platform support for MPC837x MDS board 



The MPC837x MDS is a new member of Freescale MDS reference system.

Signed-off-by: default avatarLi Yang <leoli@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent f03ca957

arch/powerpc/platforms/83xx/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -50,6 +50,11 @@ config MPC836x_MDS 
	help

	  This option enables support for the MPC836x MDS Processor Board.



config MPC837x_MDS

	bool "Freescale MPC837x MDS"

	select DEFAULT_UIMAGE

	help

	  This option enables support for the MPC837x MDS Processor Board.

endchoice



config PPC_MPC831x
@@ -75,3 +80,9 @@ config PPC_MPC836x 
	select PPC_UDBG_16550

	select PPC_INDIRECT_PCI

	default y if MPC836x_MDS



config PPC_MPC837x

	bool

	select PPC_UDBG_16550

	select PPC_INDIRECT_PCI

	default y if MPC837x_MDS

arch/powerpc/platforms/83xx/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -9,3 +9,4 @@ obj-$(CONFIG_MPC834x_MDS) += mpc834x_mds.o 
obj-$(CONFIG_MPC834x_ITX)	+= mpc834x_itx.o

obj-$(CONFIG_MPC836x_MDS)	+= mpc836x_mds.o

obj-$(CONFIG_MPC832x_MDS)	+= mpc832x_mds.o

obj-$(CONFIG_MPC837x_MDS)	+= mpc837x_mds.o

arch/powerpc/platforms/83xx/mpc837x_mds.c

0 → 100644
+104 −0
Original line number Diff line number Diff line 
/*

 * arch/powerpc/platforms/83xx/mpc837x_mds.c

 *

 * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.

 *

 * MPC837x MDS board specific routines

 *

 * 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/pci.h>

#include <linux/of.h>

#include <linux/of_platform.h>



#include <asm/time.h>

#include <asm/ipic.h>

#include <asm/udbg.h>

#include <asm/prom.h>



#include "mpc83xx.h"



#ifndef CONFIG_PCI

unsigned long isa_io_base = 0;

unsigned long isa_mem_base = 0;

#endif



/* ************************************************************************

 *

 * Setup the architecture

 *

 */

static void __init mpc837x_mds_setup_arch(void)

{

#ifdef CONFIG_PCI

	struct device_node *np;

#endif



	if (ppc_md.progress)

		ppc_md.progress("mpc837x_mds_setup_arch()", 0);



#ifdef CONFIG_PCI

	for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")

		mpc83xx_add_bridge(np);

#endif

}



static struct of_device_id mpc837x_ids[] = {

	{ .type = "soc", },

	{ .compatible = "soc", },

	{},

};



static int __init mpc837x_declare_of_platform_devices(void)

{

	if (!machine_is(mpc837x_mds))

		return 0;



	/* Publish of_device */

	of_platform_bus_probe(NULL, mpc837x_ids, NULL);



	return 0;

}

device_initcall(mpc837x_declare_of_platform_devices);



static void __init mpc837x_mds_init_IRQ(void)

{

	struct device_node *np;



	np = of_find_compatible_node(NULL, NULL, "fsl,ipic");

	if (!np)

		return;



	ipic_init(np, 0);



	/* Initialize the default interrupt mapping priorities,

	 * in case the boot rom changed something on us.

	 */

	ipic_set_default_priority();

}



/*

 * Called very early, MMU is off, device-tree isn't unflattened

 */

static int __init mpc837x_mds_probe(void)

{

        unsigned long root = of_get_flat_dt_root();



        return of_flat_dt_is_compatible(root, "fsl,mpc837xmds");

}



define_machine(mpc837x_mds) {

	.name			= "MPC837x MDS",

	.probe			= mpc837x_mds_probe,

	.setup_arch		= mpc837x_mds_setup_arch,

	.init_IRQ		= mpc837x_mds_init_IRQ,

	.get_irq		= ipic_get_irq,

	.restart		= mpc83xx_restart,

	.time_init		= mpc83xx_time_init,

	.calibrate_decr		= generic_calibrate_decr,

	.progress		= udbg_progress,

};