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Commit 545c069c authored by Josh Boyer's avatar Josh Boyer
Browse files

[POWERPC] Walnut board support 



Board support for the PPC405 Walnut evaluation board

Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 7f2814d2

arch/powerpc/platforms/40x/Kconfig

+7 −7
Original line number Diff line number Diff line
@@ -53,13 +53,13 @@ 
#	help

#	  This option enables support for the IBM PPC405GPr evaluation board.



#config WALNUT

#	bool "Walnut"

#	depends on 40x

#	default y

#	select 405GP

#	help

#	  This option enables support for the IBM PPC405GP evaluation board.

config WALNUT

	bool "Walnut"

	depends on 40x

	default y

	select 405GP

	help

	  This option enables support for the IBM PPC405GP evaluation board.



#config XILINX_ML300

#	bool "Xilinx-ML300"

arch/powerpc/platforms/40x/Makefile

+1 −1
Original line number Diff line number Diff line 
# empty makefile so make clean works
 
 No newline at end of file
 
obj-$(CONFIG_WALNUT) += walnut.o

arch/powerpc/platforms/40x/walnut.c

0 → 100644
+68 −0
Original line number Diff line number Diff line 
/*

 * Architecture- / platform-specific boot-time initialization code for

 * IBM PowerPC 4xx based boards. Adapted from original

 * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek

 * <dan@net4x.com>.

 *

 * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>

 *

 * Rewritten and ported to the merged powerpc tree:

 * Copyright 2007 IBM Corporation

 * Josh Boyer <jwboyer@linux.vnet.ibm.com>

 *

 * 2002 (c) MontaVista, Software, Inc.  This file is licensed under

 * the terms of the GNU General Public License version 2.  This program

 * is licensed "as is" without any warranty of any kind, whether express

 * or implied.

 */



#include <linux/init.h>

#include <asm/machdep.h>

#include <asm/prom.h>

#include <asm/udbg.h>

#include <asm/time.h>

#include <asm/uic.h>

#include <asm/of_platform.h>



static struct of_device_id walnut_of_bus[] = {

	{ .compatible = "ibm,plb3", },

	{ .compatible = "ibm,opb", },

	{ .compatible = "ibm,ebc", },

	{},

};



static int __init walnut_device_probe(void)

{

	if (!machine_is(walnut))

		return 0;



	/* FIXME: do bus probe here */

	of_platform_bus_probe(NULL, walnut_of_bus, NULL);



	return 0;

}

device_initcall(walnut_device_probe);



static int __init walnut_probe(void)

{

	unsigned long root = of_get_flat_dt_root();



	if (!of_flat_dt_is_compatible(root, "ibm,walnut"))

		return 0;



	return 1;

}



static void __init walnut_setup_arch(void)

{

}



define_machine(walnut) {

	.name			= "Walnut",

	.probe			= walnut_probe,

	.setup_arch		= walnut_setup_arch,

	.progress		= udbg_progress,

	.init_IRQ		= uic_init_tree,

	.get_irq		= uic_get_irq,

	.calibrate_decr	= generic_calibrate_decr,

};

arch/powerpc/platforms/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -59,7 +59,7 @@ source "arch/powerpc/platforms/85xx/Kconfig" 
source "arch/powerpc/platforms/86xx/Kconfig"

source "arch/powerpc/platforms/embedded6xx/Kconfig"

source "arch/powerpc/platforms/44x/Kconfig"

#source "arch/powerpc/platforms/4xx/Kconfig

source "arch/powerpc/platforms/40x/Kconfig"



config PPC_NATIVE

	bool

arch/powerpc/platforms/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -9,7 +9,7 @@ obj-$(CONFIG_PPC_PMAC) += powermac/ 
endif

endif

obj-$(CONFIG_PPC_CHRP)		+= chrp/

#obj-$(CONFIG_4xx)		+= 4xx/

obj-$(CONFIG_40x)		+= 40x/

obj-$(CONFIG_44x)		+= 44x/

obj-$(CONFIG_PPC_MPC52xx)	+= 52xx/

obj-$(CONFIG_PPC_8xx)		+= 8xx/