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/*
* Copyright (c) 2008 Emcraft Systems
* Sergei Poselenov <sposelenov@emcraft.com>
*
* Based on MPC8560 ADS and arch/ppc tqm85xx ports
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* Copyright 2008 Freescale Semiconductor Inc.
*
* Copyright (c) 2005-2006 DENX Software Engineering
* Stefan Roese <sr@denx.de>
*
* Based on original work by
* Kumar Gala <kumar.gala@freescale.com>
* Copyright 2004 Freescale Semiconductor Inc.
*
* 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/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/of_platform.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/mpic.h>
#include <asm/prom.h>
#include <mm/mmu_decl.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc85xx.h"
#include "socrates_fpga_pic.h"
static void __init socrates_pic_init(void)
{
struct mpic *mpic;
struct resource r;
struct device_node *np;
np = of_find_node_by_type(NULL, "open-pic");
if (!np) {
printk(KERN_ERR "Could not find open-pic node\n");
return;
}
if (of_address_to_resource(np, 0, &r)) {
printk(KERN_ERR "Could not map mpic register space\n");
of_node_put(np);
return;
}
mpic = mpic_alloc(np, r.start,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
of_node_put(np);
mpic_init(mpic);
np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
if (!np) {
printk(KERN_ERR "Could not find socrates-fpga-pic node\n");
return;
}
socrates_fpga_pic_init(np);
of_node_put(np);
}
/*
* Setup the architecture
*/
static void __init socrates_setup_arch(void)
{
#ifdef CONFIG_PCI
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("socrates_setup_arch()", 0);
#ifdef CONFIG_PCI
for_each_compatible_node(np, "pci", "fsl,mpc8540-pci")
fsl_add_bridge(np, 1);
#endif
}
static struct of_device_id __initdata socrates_of_bus_ids[] = {
{ .compatible = "simple-bus", },
{ .compatible = "gianfar", },
{},
};
static int __init socrates_publish_devices(void)
{
return of_platform_bus_probe(NULL, socrates_of_bus_ids, NULL);
}
machine_device_initcall(socrates, socrates_publish_devices);
/*
* Called very early, device-tree isn't unflattened
*/
static int __init socrates_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "abb,socrates"))
return 1;
return 0;
}
define_machine(socrates) {
.name = "Socrates",
.probe = socrates_probe,
.setup_arch = socrates_setup_arch,
.init_IRQ = socrates_pic_init,
.get_irq = mpic_get_irq,
.restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
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