Commit 38f66f90 authored by Kim Phillips's avatar Kim Phillips Committed by Kumar Gala
Browse files

[POWERPC] 83xx: add MPC837x RDB platform support 



primarily based on mpc837x mds code.

Signed-off-by: default avatarJoe D'Abbraccio <ljd015@freescale.com>
Signed-off-by: default avatarKim Phillips <kim.phillips@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 71d6fc1d

arch/powerpc/platforms/83xx/Kconfig

+7 −1
Original line number Diff line number Diff line
@@ -56,6 +56,12 @@ config MPC837x_MDS 
	help

	  This option enables support for the MPC837x MDS Processor Board.



config MPC837x_RDB

	bool "Freescale MPC837x RDB"

	select DEFAULT_UIMAGE

	help

	  This option enables support for the MPC837x RDB Board.



config SBC834x

	bool "Wind River SBC834x"

	select DEFAULT_UIMAGE
@@ -92,4 +98,4 @@ config PPC_MPC837x 
	bool

	select PPC_UDBG_16550

	select PPC_INDIRECT_PCI

	default y if MPC837x_MDS
 
	default y if MPC837x_MDS || MPC837x_RDB

arch/powerpc/platforms/83xx/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -11,3 +11,4 @@ obj-$(CONFIG_MPC836x_MDS) += mpc836x_mds.o 
obj-$(CONFIG_MPC832x_MDS)	+= mpc832x_mds.o

obj-$(CONFIG_MPC837x_MDS)	+= mpc837x_mds.o

obj-$(CONFIG_SBC834x)		+= sbc834x.o

obj-$(CONFIG_MPC837x_RDB)	+= mpc837x_rdb.o

arch/powerpc/platforms/83xx/mpc837x_rdb.c

0 → 100644
+99 −0
Original line number Diff line number Diff line 
/*

 * arch/powerpc/platforms/83xx/mpc837x_rdb.c

 *

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

 *

 * MPC837x RDB 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_platform.h>



#include <asm/time.h>

#include <asm/ipic.h>

#include <asm/udbg.h>



#include "mpc83xx.h"



extern int mpc837x_usb_cfg(void);



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

 *

 * Setup the architecture

 *

 */

static void __init mpc837x_rdb_setup_arch(void)

{

#ifdef CONFIG_PCI

	struct device_node *np;

#endif



	if (ppc_md.progress)

		ppc_md.progress("mpc837x_rdb_setup_arch()", 0);



#ifdef CONFIG_PCI

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

		mpc83xx_add_bridge(np);

#endif

	mpc837x_usb_cfg();

}



static struct of_device_id mpc837x_ids[] = {

	{ .type = "soc", },

	{ .compatible = "soc", },

	{},

};



static int __init mpc837x_declare_of_platform_devices(void)

{

	/* Publish of_device */

	of_platform_bus_probe(NULL, mpc837x_ids, NULL);



	return 0;

}

machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices);



static void __init mpc837x_rdb_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_rdb_probe(void)

{

	unsigned long root = of_get_flat_dt_root();



	return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") ||

	       of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") ||

	       of_flat_dt_is_compatible(root, "fsl,mpc8379rdb");

}



define_machine(mpc837x_rdb) {

	.name			= "MPC837x RDB",

	.probe			= mpc837x_rdb_probe,

	.setup_arch		= mpc837x_rdb_setup_arch,

	.init_IRQ		= mpc837x_rdb_init_IRQ,

	.get_irq		= ipic_get_irq,

	.restart		= mpc83xx_restart,

	.time_init		= mpc83xx_time_init,

	.calibrate_decr		= generic_calibrate_decr,

	.progress		= udbg_progress,

};