linux/arch/powerpc/platforms/83xx/sbc834x.c
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   1/*
   2 * arch/powerpc/platforms/83xx/sbc834x.c
   3 *
   4 * Wind River SBC834x board specific routines
   5 *
   6 * By Paul Gortmaker (see MAINTAINERS for contact information)
   7 *
   8 * Based largely on the mpc834x_mds.c support by Kumar Gala.
   9 *
  10 * This program is free software; you can redistribute  it and/or modify it
  11 * under  the terms of  the GNU General  Public License as published by the
  12 * Free Software Foundation;  either version 2 of the  License, or (at your
  13 * option) any later version.
  14 */
  15
  16#include <linux/stddef.h>
  17#include <linux/kernel.h>
  18#include <linux/init.h>
  19#include <linux/errno.h>
  20#include <linux/reboot.h>
  21#include <linux/pci.h>
  22#include <linux/kdev_t.h>
  23#include <linux/major.h>
  24#include <linux/console.h>
  25#include <linux/delay.h>
  26#include <linux/seq_file.h>
  27#include <linux/root_dev.h>
  28#include <linux/of_platform.h>
  29
  30#include <asm/system.h>
  31#include <linux/atomic.h>
  32#include <asm/time.h>
  33#include <asm/io.h>
  34#include <asm/machdep.h>
  35#include <asm/ipic.h>
  36#include <asm/irq.h>
  37#include <asm/prom.h>
  38#include <asm/udbg.h>
  39#include <sysdev/fsl_soc.h>
  40#include <sysdev/fsl_pci.h>
  41
  42#include "mpc83xx.h"
  43
  44/* ************************************************************************
  45 *
  46 * Setup the architecture
  47 *
  48 */
  49static void __init sbc834x_setup_arch(void)
  50{
  51        if (ppc_md.progress)
  52                ppc_md.progress("sbc834x_setup_arch()", 0);
  53
  54        mpc83xx_setup_pci();
  55}
  56
  57machine_device_initcall(sbc834x, mpc83xx_declare_of_platform_devices);
  58
  59/*
  60 * Called very early, MMU is off, device-tree isn't unflattened
  61 */
  62static int __init sbc834x_probe(void)
  63{
  64        unsigned long root = of_get_flat_dt_root();
  65
  66        return of_flat_dt_is_compatible(root, "SBC834xE");
  67}
  68
  69define_machine(sbc834x) {
  70        .name                   = "SBC834xE",
  71        .probe                  = sbc834x_probe,
  72        .setup_arch             = sbc834x_setup_arch,
  73        .init_IRQ               = mpc83xx_ipic_init_IRQ,
  74        .get_irq                = ipic_get_irq,
  75        .restart                = mpc83xx_restart,
  76        .time_init              = mpc83xx_time_init,
  77        .calibrate_decr         = generic_calibrate_decr,
  78        .progress               = udbg_progress,
  79};
  80