OpenCloudOS-Kernel/arch/powerpc/platforms/83xx/mpc836x_rdk.c

104 lines
2.4 KiB
C

/*
* MPC8360E-RDK board file.
*
* Copyright (c) 2006 Freescale Semicondutor, Inc.
* Copyright (c) 2007-2008 MontaVista Software, Inc.
*
* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
*
* 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/kernel.h>
#include <linux/pci.h>
#include <linux/of_platform.h>
#include <linux/io.h>
#include <asm/prom.h>
#include <asm/time.h>
#include <asm/ipic.h>
#include <asm/udbg.h>
#include <asm/qe.h>
#include <asm/qe_ic.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc83xx.h"
static struct of_device_id __initdata mpc836x_rdk_ids[] = {
{ .compatible = "simple-bus", },
{},
};
static int __init mpc836x_rdk_declare_of_platform_devices(void)
{
return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL);
}
machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices);
static void __init mpc836x_rdk_setup_arch(void)
{
#ifdef CONFIG_PCI
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("mpc836x_rdk_setup_arch()", 0);
#ifdef CONFIG_PCI
for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
mpc83xx_add_bridge(np);
#endif
qe_reset();
}
static void __init mpc836x_rdk_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();
of_node_put(np);
np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
if (!np)
return;
qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
of_node_put(np);
}
/*
* Called very early, MMU is off, device-tree isn't unflattened.
*/
static int __init mpc836x_rdk_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk");
}
define_machine(mpc836x_rdk) {
.name = "MPC836x RDK",
.probe = mpc836x_rdk_probe,
.setup_arch = mpc836x_rdk_setup_arch,
.init_IRQ = mpc836x_rdk_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};