116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
|
/*
|
||
|
|
* 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,
|
||
|
|
};
|