100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
|
|
* arch/powerpc/platforms/83xx/mpc8313_rdb.c
|
|
*
|
|
* Description: MPC8313x RDB board specific routines.
|
|
* This file is based on mpc834x_sys.c
|
|
* Author: Lo Wlison <r43300@freescale.com>
|
|
*
|
|
* Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
|
|
*
|
|
* 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 <asm/time.h>
|
|
#include <asm/ipic.h>
|
|
#include <asm/udbg.h>
|
|
|
|
#include "mpc83xx.h"
|
|
|
|
#undef DEBUG
|
|
#ifdef DEBUG
|
|
#define DBG(fmt...) udbg_printf(fmt)
|
|
#else
|
|
#define DBG(fmt...)
|
|
#endif
|
|
|
|
#ifndef CONFIG_PCI
|
|
unsigned long isa_io_base = 0;
|
|
unsigned long isa_mem_base = 0;
|
|
#endif
|
|
|
|
/* ************************************************************************
|
|
*
|
|
* Setup the architecture
|
|
*
|
|
*/
|
|
static void __init mpc8313_rdb_setup_arch(void)
|
|
{
|
|
struct device_node *np;
|
|
|
|
if (ppc_md.progress)
|
|
ppc_md.progress("mpc8313_rdb_setup_arch()", 0);
|
|
|
|
#ifdef CONFIG_PCI
|
|
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
|
|
add_bridge(np);
|
|
|
|
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
|
|
#endif
|
|
}
|
|
|
|
void __init mpc8313_rdb_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();
|
|
}
|
|
|
|
/*
|
|
* Called very early, MMU is off, device-tree isn't unflattened
|
|
*/
|
|
static int __init mpc8313_rdb_probe(void)
|
|
{
|
|
char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
|
|
"model", NULL);
|
|
if (model == NULL)
|
|
return 0;
|
|
if (strcmp(model, "MPC8313ERDB"))
|
|
return 0;
|
|
|
|
DBG("MPC8313 RDB found\n");
|
|
|
|
return 1;
|
|
}
|
|
|
|
define_machine(mpc8313_rdb) {
|
|
.name = "MPC8313 RDB",
|
|
.probe = mpc8313_rdb_probe,
|
|
.setup_arch = mpc8313_rdb_setup_arch,
|
|
.init_IRQ = mpc8313_rdb_init_IRQ,
|
|
.get_irq = ipic_get_irq,
|
|
.restart = mpc83xx_restart,
|
|
.time_init = mpc83xx_time_init,
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
.progress = udbg_progress,
|
|
};
|