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

   1 /*
   2  * Canyonlands board specific routines
   3  *
   4  * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
   5  *
   6  * Based on the Katmai code by
   7  * Benjamin Herrenschmidt <benh@kernel.crashing.org>
   8  * Copyright 2007 IBM Corp.
   9  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
  10  * Copyright 2007 IBM Corporation
  11  *
  12  * This program is free software; you can redistribute  it and/or modify it
  13  * under  the terms of  the GNU General  Public License as published by the
  14  * Free Software Foundation;  either version 2 of the  License, or (at your
  15  * option) any later version.
  16  */
  17 #include <linux/init.h>
  18 #include <linux/of_platform.h>
  19
  20 #include <asm/machdep.h>
  21 #include <asm/prom.h>
  22 #include <asm/udbg.h>
  23 #include <asm/time.h>
  24 #include <asm/uic.h>
  25 #include <asm/pci-bridge.h>
  26 #include <asm/ppc4xx.h>
  27
  28 static __initdata struct of_device_id canyonlands_of_bus[] = {
  29         { .compatible = "ibm,plb4", },
  30         { .compatible = "ibm,opb", },
  31         { .compatible = "ibm,ebc", },
  32         {},
  33 };
  34
  35 static int __init canyonlands_device_probe(void)
  36 {
  37         of_platform_bus_probe(NULL, canyonlands_of_bus, NULL);
  38
  39         return 0;
  40 }
  41 machine_device_initcall(canyonlands, canyonlands_device_probe);
  42
  43 static int __init canyonlands_probe(void)
  44 {
  45         unsigned long root = of_get_flat_dt_root();
  46
  47         if (!of_flat_dt_is_compatible(root, "amcc,canyonlands"))
  48                 return 0;
  49
  50         ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
  51
  52         return 1;
  53 }
  54
  55 define_machine(canyonlands) {
  56         .name                           = "Canyonlands",
  57         .probe                          = canyonlands_probe,
  58         .progress                       = udbg_progress,
  59         .init_IRQ                       = uic_init_tree,
  60         .get_irq                        = uic_get_irq,
  61         .restart                        = ppc4xx_reset_system,
  62         .calibrate_decr                 = generic_calibrate_decr,
  63 };