arch/powerpc/platforms/44x/sequoia.c

   1 /*
   2  * Sequoia board specific routines
   3  *
   4  * Valentine Barshak <vbarshak@ru.mvista.com>
   5  * Copyright 2007 MontaVista Software Inc.
   6  *
   7  * Based on the Bamboo code by
   8  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   9  * Copyright 2007 IBM Corporation
  10  *
  11  * This program is free software; you can redistribute  it and/or modify it
  12  * under  the terms of  the GNU General  Public License as published by the
  13  * Free Software Foundation;  either version 2 of the  License, or (at your
  14  * option) any later version.
  15  */
  16 #include <linux/init.h>
  17 #include <linux/of_platform.h>
  18
  19 #include <asm/machdep.h>
  20 #include <asm/prom.h>
  21 #include <asm/udbg.h>
  22 #include <asm/time.h>
  23 #include <asm/uic.h>
  24 #include "44x.h"
  25
  26 static struct of_device_id sequoia_of_bus[] = {
  27         { .compatible = "ibm,plb4", },
  28         { .compatible = "ibm,opb", },
  29         { .compatible = "ibm,ebc", },
  30         {},
  31 };
  32
  33 static int __init sequoia_device_probe(void)
  34 {
  35         if (!machine_is(sequoia))
  36                 return 0;
  37
  38         of_platform_bus_probe(NULL, sequoia_of_bus, NULL);
  39
  40         return 0;
  41 }
  42 device_initcall(sequoia_device_probe);
  43
  44 static int __init sequoia_probe(void)
  45 {
  46         unsigned long root = of_get_flat_dt_root();
  47
  48         if (!of_flat_dt_is_compatible(root, "amcc,sequoia"))
  49                 return 0;
  50
  51         return 1;
  52 }
  53
  54 define_machine(sequoia) {
  55         .name                           = "Sequoia",
  56         .probe                          = sequoia_probe,
  57         .progress                       = udbg_progress,
  58         .init_IRQ                       = uic_init_tree,
  59         .get_irq                        = uic_get_irq,
  60         .restart                        = ppc44x_reset_system,
  61         .calibrate_decr                 = generic_calibrate_decr,
  62 };