arch/powerpc/platforms/512x/mpc512x_shared.c

   1 /*
   2  * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved.
   3  *
   4  * Author: John Rigby <jrigby@freescale.com>
   5  *
   6  * Description:
   7  * MPC512x Shared code
   8  *
   9  * This is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/io.h>
  17 #include <linux/irq.h>
  18 #include <linux/of_platform.h>
  19
  20 #include <asm/machdep.h>
  21 #include <asm/ipic.h>
  22 #include <asm/prom.h>
  23 #include <asm/time.h>
  24
  25 #include "mpc512x.h"
  26
  27 void __init mpc512x_init_IRQ(void)
  28 {
  29         struct device_node *np;
  30
  31         np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-ipic");
  32         if (!np)
  33                 return;
  34
  35         ipic_init(np, 0);
  36         of_node_put(np);
  37
  38         /*
  39          * Initialize the default interrupt mapping priorities,
  40          * in case the boot rom changed something on us.
  41          */
  42         ipic_set_default_priority();
  43 }
  44
  45 /*
  46  * Nodes to do bus probe on, soc and localbus
  47  */
  48 static struct of_device_id __initdata of_bus_ids[] = {
  49         { .compatible = "fsl,mpc5121-immr", },
  50         { .compatible = "fsl,mpc5121-localbus", },
  51         {},
  52 };
  53
  54 void __init mpc512x_declare_of_platform_devices(void)
  55 {
  56         if (of_platform_bus_probe(NULL, of_bus_ids, NULL))
  57                 printk(KERN_ERR __FILE__ ": "
  58                         "Error while probing of_platform bus\n");
  59 }
  60