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[POWERPC] 83xx: add MPC837x RDB platform support

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primarily based on mpc837x mds code.

Signed-off-by: Joe D'Abbraccio <ljd015@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kim Phillips 2008-01-24 20:47:11 -06:00 committed by Kumar Gala
parent 71d6fc1d57
commit 38f66f90b2
3 changed files with 107 additions and 1 deletions
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8
arch/powerpc/platforms/83xx/Kconfig
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@ -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

1
arch/powerpc/platforms/83xx/Makefile
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@ -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

99
arch/powerpc/platforms/83xx/mpc837x_rdb.c Normal file
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@ -0,0 +1,99 @@
/*
* 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,
};