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

   1 /*
   2  * Rainier 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 <asm/pci-bridge.h>
  25 #include <asm/ppc4xx.h>
  26
  27 static __initdata struct of_device_id rainier_of_bus[] = {
  28         { .compatible = "ibm,plb4", },
  29         { .compatible = "ibm,opb", },
  30         { .compatible = "ibm,ebc", },
  31         {},
  32 };
  33
  34 static int __init rainier_device_probe(void)
  35 {
  36         of_platform_bus_probe(NULL, rainier_of_bus, NULL);
  37
  38         return 0;
  39 }
  40 machine_device_initcall(rainier, rainier_device_probe);
  41
  42 static int __init rainier_probe(void)
  43 {
  44         unsigned long root = of_get_flat_dt_root();
  45
  46         if (!of_flat_dt_is_compatible(root, "amcc,rainier"))
  47                 return 0;
  48
  49         ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
  50
  51         return 1;
  52 }
  53
  54 define_machine(rainier) {
  55         .name                           = "Rainier",
  56         .probe                          = rainier_probe,
  57         .progress                       = udbg_progress,
  58         .init_IRQ                       = uic_init_tree,
  59         .get_irq                        = uic_get_irq,
  60         .restart                        = ppc4xx_reset_system,
  61         .calibrate_decr                 = generic_calibrate_decr,
  62 };