LXR linux/arch/powerpc/platforms/44x/sam440ep.c

   1/*
   2 * Sam440ep board specific routines based off bamboo.c code
   3 * original copyrights below
   4 *
   5 * Wade Farnsworth <wfarnsworth@mvista.com>
   6 * Copyright 2004 MontaVista Software Inc.
   7 *
   8 * Rewritten and ported to the merged powerpc tree:
   9 * Josh Boyer <jwboyer@linux.vnet.ibm.com>
  10 * Copyright 2007 IBM Corporation
  11 *
  12 * Modified from bamboo.c for sam440ep:
  13 * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
  14 *
  15 * This program is free software; you can redistribute  it and/or modify it
  16 * under  the terms of  the GNU General  Public License as published by the
  17 * Free Software Foundation;  either version 2 of the  License, or (at your
  18 * option) any later version.
  19 */
  20#include <linux/init.h>
  21#include <linux/of_platform.h>
  22
  23#include <asm/machdep.h>
  24#include <asm/prom.h>
  25#include <asm/udbg.h>
  26#include <asm/time.h>
  27#include <asm/uic.h>
  28#include <asm/pci-bridge.h>
  29#include <asm/ppc4xx.h>
  30#include <linux/i2c.h>
  31
  32static const struct of_device_id sam440ep_of_bus[] __initconst = {
  33        { .compatible = "ibm,plb4", },
  34        { .compatible = "ibm,opb", },
  35        { .compatible = "ibm,ebc", },
  36        {},
  37};
  38
  39static int __init sam440ep_device_probe(void)
  40{
  41        of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
  42
  43        return 0;
  44}
  45machine_device_initcall(sam440ep, sam440ep_device_probe);
  46
  47static int __init sam440ep_probe(void)
  48{
  49        unsigned long root = of_get_flat_dt_root();
  50
  51        if (!of_flat_dt_is_compatible(root, "acube,sam440ep"))
  52                return 0;
  53
  54        pci_set_flags(PCI_REASSIGN_ALL_RSRC);
  55
  56        return 1;
  57}
  58
  59define_machine(sam440ep) {
  60        .name                   = "Sam440ep",
  61        .probe                  = sam440ep_probe,
  62        .progress               = udbg_progress,
  63        .init_IRQ               = uic_init_tree,
  64        .get_irq                = uic_get_irq,
  65        .restart                = ppc4xx_reset_system,
  66        .calibrate_decr         = generic_calibrate_decr,
  67};
  68
  69static struct i2c_board_info sam440ep_rtc_info = {
  70        .type = "m41st85",
  71        .addr = 0x68,
  72        .irq = -1,
  73};
  74
  75static int sam440ep_setup_rtc(void)
  76{
  77        return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
  78}
  79machine_device_initcall(sam440ep, sam440ep_setup_rtc);
  80