a44a23ed4d
Match what other 85xx platforms do for of_platform_bus_probe and use machine_device_initcall. This is one small step in killing of ppc_md.init. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
133 lines
3 KiB
C
133 lines
3 KiB
C
/*
|
|
* 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 "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,
|
|
};
|