119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
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/*
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* arch/powerpc/platforms/83xx/sbc834x.c
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*
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* Wind River SBC834x board specific routines
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*
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* By Paul Gortmaker (see MAINTAINERS for contact information)
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*
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* Based largely on the mpc834x_mds.c support by Kumar Gala.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/reboot.h>
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#include <linux/pci.h>
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#include <linux/kdev_t.h>
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#include <linux/major.h>
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#include <linux/console.h>
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#include <linux/delay.h>
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#include <linux/seq_file.h>
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#include <linux/root_dev.h>
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#include <linux/of_platform.h>
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#include <asm/system.h>
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#include <asm/atomic.h>
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#include <asm/time.h>
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#include <asm/io.h>
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#include <asm/machdep.h>
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#include <asm/ipic.h>
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#include <asm/irq.h>
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#include <asm/prom.h>
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#include <asm/udbg.h>
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#include <sysdev/fsl_soc.h>
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#include <sysdev/fsl_pci.h>
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#include "mpc83xx.h"
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/* ************************************************************************
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*
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* Setup the architecture
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*
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*/
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static void __init sbc834x_setup_arch(void)
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{
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#ifdef CONFIG_PCI
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struct device_node *np;
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#endif
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if (ppc_md.progress)
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ppc_md.progress("sbc834x_setup_arch()", 0);
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#ifdef CONFIG_PCI
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for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
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mpc83xx_add_bridge(np);
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#endif
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}
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static void __init sbc834x_init_IRQ(void)
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{
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struct device_node *np;
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np = of_find_node_by_type(NULL, "ipic");
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if (!np)
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return;
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ipic_init(np, 0);
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/* Initialize the default interrupt mapping priorities,
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* in case the boot rom changed something on us.
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*/
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ipic_set_default_priority();
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of_node_put(np);
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}
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static struct __initdata of_device_id sbc834x_ids[] = {
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{ .type = "soc", },
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{ .compatible = "soc", },
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{ .compatible = "simple-bus", },
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{ .compatible = "gianfar", },
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{},
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};
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static int __init sbc834x_declare_of_platform_devices(void)
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{
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of_platform_bus_probe(NULL, sbc834x_ids, NULL);
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return 0;
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}
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machine_device_initcall(sbc834x, sbc834x_declare_of_platform_devices);
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/*
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* Called very early, MMU is off, device-tree isn't unflattened
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*/
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static int __init sbc834x_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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return of_flat_dt_is_compatible(root, "SBC834x");
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}
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define_machine(sbc834x) {
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.name = "SBC834x",
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.probe = sbc834x_probe,
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.setup_arch = sbc834x_setup_arch,
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.init_IRQ = sbc834x_init_IRQ,
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.get_irq = ipic_get_irq,
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.restart = mpc83xx_restart,
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.time_init = mpc83xx_time_init,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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