linux/arch/powerpc/platforms/83xx/mpc834x_itx.c
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   1/*
   2 * arch/powerpc/platforms/83xx/mpc834x_itx.c
   3 *
   4 * MPC834x ITX board specific routines
   5 *
   6 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
   7 *
   8 * This program is free software; you can redistribute  it and/or modify it
   9 * under  the terms of  the GNU General  Public License as published by the
  10 * Free Software Foundation;  either version 2 of the  License, or (at your
  11 * option) any later version.
  12 */
  13
  14#include <linux/stddef.h>
  15#include <linux/kernel.h>
  16#include <linux/init.h>
  17#include <linux/errno.h>
  18#include <linux/reboot.h>
  19#include <linux/pci.h>
  20#include <linux/kdev_t.h>
  21#include <linux/major.h>
  22#include <linux/console.h>
  23#include <linux/delay.h>
  24#include <linux/seq_file.h>
  25#include <linux/root_dev.h>
  26#include <linux/of_platform.h>
  27
  28#include <asm/system.h>
  29#include <linux/atomic.h>
  30#include <asm/time.h>
  31#include <asm/io.h>
  32#include <asm/machdep.h>
  33#include <asm/ipic.h>
  34#include <asm/irq.h>
  35#include <asm/prom.h>
  36#include <asm/udbg.h>
  37#include <sysdev/fsl_soc.h>
  38#include <sysdev/fsl_pci.h>
  39
  40#include "mpc83xx.h"
  41
  42static struct of_device_id __initdata mpc834x_itx_ids[] = {
  43        { .compatible = "fsl,pq2pro-localbus", },
  44        {},
  45};
  46
  47static int __init mpc834x_itx_declare_of_platform_devices(void)
  48{
  49        mpc83xx_declare_of_platform_devices();
  50        return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
  51}
  52machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
  53
  54/* ************************************************************************
  55 *
  56 * Setup the architecture
  57 *
  58 */
  59static void __init mpc834x_itx_setup_arch(void)
  60{
  61        if (ppc_md.progress)
  62                ppc_md.progress("mpc834x_itx_setup_arch()", 0);
  63
  64        mpc83xx_setup_pci();
  65
  66        mpc834x_usb_cfg();
  67}
  68
  69/*
  70 * Called very early, MMU is off, device-tree isn't unflattened
  71 */
  72static int __init mpc834x_itx_probe(void)
  73{
  74        unsigned long root = of_get_flat_dt_root();
  75
  76        return of_flat_dt_is_compatible(root, "MPC834xMITX");
  77}
  78
  79define_machine(mpc834x_itx) {
  80        .name                   = "MPC834x ITX",
  81        .probe                  = mpc834x_itx_probe,
  82        .setup_arch             = mpc834x_itx_setup_arch,
  83        .init_IRQ               = mpc83xx_ipic_init_IRQ,
  84        .get_irq                = ipic_get_irq,
  85        .restart                = mpc83xx_restart,
  86        .time_init              = mpc83xx_time_init,
  87        .calibrate_decr         = generic_calibrate_decr,
  88        .progress               = udbg_progress,
  89};
  90