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Commit a43414cc authored by Paul Gortmaker's avatar Paul Gortmaker Committed by Kumar Gala
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[POWERPC] 83xx: Add support for Wind River SBC834x boards 



This adds the basic support for the Wind River SBC834x boards.  The
SBC8349 is more common, although it should work on the SBC8347 board
as well.  Support is heavily based on the existing MPC834x_MDS code.

Signed-off-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent e1e90c6f

arch/powerpc/platforms/83xx/Kconfig

+8 −1
Original line number Diff line number Diff line
@@ -55,6 +55,13 @@ config MPC837x_MDS 
	select DEFAULT_UIMAGE

	help

	  This option enables support for the MPC837x MDS Processor Board.



config SBC834x

	bool "Wind River SBC834x"

	select DEFAULT_UIMAGE

	help

	  This option enables support for the Wind River SBC834x board.



endchoice



config PPC_MPC831x
@@ -73,7 +80,7 @@ config MPC834x 
	bool

	select PPC_UDBG_16550

	select PPC_INDIRECT_PCI

	default y if MPC834x_MDS || MPC834x_ITX

	default y if MPC834x_MDS || MPC834x_ITX || SBC834x



config PPC_MPC836x

	bool

arch/powerpc/platforms/83xx/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -10,3 +10,4 @@ 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

obj-$(CONFIG_SBC834x)		+= sbc834x.o

arch/powerpc/platforms/83xx/sbc834x.c

0 → 100644
+115 −0
Original line number Diff line number Diff line 
/*

 * arch/powerpc/platforms/83xx/sbc834x.c

 *

 * Wind River SBC834x board specific routines

 *

 * By Paul Gortmaker (see MAINTAINERS for contact information)

 *

 * Based largely on the mpc834x_mds.c support by Kumar Gala.

 *

 * 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/stddef.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/errno.h>

#include <linux/reboot.h>

#include <linux/pci.h>

#include <linux/kdev_t.h>

#include <linux/major.h>

#include <linux/console.h>

#include <linux/delay.h>

#include <linux/seq_file.h>

#include <linux/root_dev.h>

#include <linux/of_platform.h>



#include <asm/system.h>

#include <asm/atomic.h>

#include <asm/time.h>

#include <asm/io.h>

#include <asm/machdep.h>

#include <asm/ipic.h>

#include <asm/irq.h>

#include <asm/prom.h>

#include <asm/udbg.h>

#include <sysdev/fsl_soc.h>



#include "mpc83xx.h"



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

 *

 * Setup the architecture

 *

 */

static void __init sbc834x_setup_arch(void)

{

#ifdef CONFIG_PCI

	struct device_node *np;

#endif



	if (ppc_md.progress)

		ppc_md.progress("sbc834x_setup_arch()", 0);



#ifdef CONFIG_PCI

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

		mpc83xx_add_bridge(np);

#endif



}



static void __init sbc834x_init_IRQ(void)

{

	struct device_node *np;



	np = of_find_node_by_type(NULL, "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();



	of_node_put(np);

}



static struct __initdata of_device_id sbc834x_ids[] = {

	{ .type = "soc", },

	{ .compatible = "soc", },

	{},

};



static int __init sbc834x_declare_of_platform_devices(void)

{

	of_platform_bus_probe(NULL, sbc834x_ids, NULL);

	return 0;

}

machine_device_initcall(sbc834x, sbc834x_declare_of_platform_devices);



/*

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

 */

static int __init sbc834x_probe(void)

{

	unsigned long root = of_get_flat_dt_root();



	return of_flat_dt_is_compatible(root, "SBC834x");

}



define_machine(sbc834x) {

	.name			= "SBC834x",

	.probe			= sbc834x_probe,

	.setup_arch		= sbc834x_setup_arch,

	.init_IRQ		= sbc834x_init_IRQ,

	.get_irq		= ipic_get_irq,

	.restart		= mpc83xx_restart,

	.time_init		= mpc83xx_time_init,

	.calibrate_decr		= generic_calibrate_decr,

	.progress		= udbg_progress,

};