arch/powerpc/platforms/83xx/mpc836x_rdk.c

   1 /*
   2  * MPC8360E-RDK board file.
   3  *
   4  * Copyright (c) 2006  Freescale Semicondutor, Inc.
   5  * Copyright (c) 2007-2008  MontaVista Software, Inc.
   6  *
   7  * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/pci.h>
  17 #include <linux/of_platform.h>
  18 #include <linux/io.h>
  19 #include <asm/prom.h>
  20 #include <asm/time.h>
  21 #include <asm/ipic.h>
  22 #include <asm/udbg.h>
  23 #include <asm/qe.h>
  24 #include <asm/qe_ic.h>
  25 #include <sysdev/fsl_soc.h>
  26
  27 #include "mpc83xx.h"
  28
  29 static struct of_device_id __initdata mpc836x_rdk_ids[] = {
  30         { .compatible = "simple-bus", },
  31         {},
  32 };
  33
  34 static int __init mpc836x_rdk_declare_of_platform_devices(void)
  35 {
  36         return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL);
  37 }
  38 machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices);
  39
  40 static void __init mpc836x_rdk_setup_arch(void)
  41 {
  42 #ifdef CONFIG_PCI
  43         struct device_node *np;
  44 #endif
  45
  46         if (ppc_md.progress)
  47                 ppc_md.progress("mpc836x_rdk_setup_arch()", 0);
  48
  49 #ifdef CONFIG_PCI
  50         for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
  51                 mpc83xx_add_bridge(np);
  52 #endif
  53
  54         qe_reset();
  55 }
  56
  57 static void __init mpc836x_rdk_init_IRQ(void)
  58 {
  59         struct device_node *np;
  60
  61         np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
  62         if (!np)
  63                 return;
  64
  65         ipic_init(np, 0);
  66
  67         /*
  68          * Initialize the default interrupt mapping priorities,
  69          * in case the boot rom changed something on us.
  70          */
  71         ipic_set_default_priority();
  72         of_node_put(np);
  73
  74         np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
  75         if (!np)
  76                 return;
  77
  78         qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
  79         of_node_put(np);
  80 }
  81
  82 /*
  83  * Called very early, MMU is off, device-tree isn't unflattened.
  84  */
  85 static int __init mpc836x_rdk_probe(void)
  86 {
  87         unsigned long root = of_get_flat_dt_root();
  88
  89         return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk");
  90 }
  91
  92 define_machine(mpc836x_rdk) {
  93         .name           = "MPC836x RDK",
  94         .probe          = mpc836x_rdk_probe,
  95         .setup_arch     = mpc836x_rdk_setup_arch,
  96         .init_IRQ       = mpc836x_rdk_init_IRQ,
  97         .get_irq        = ipic_get_irq,
  98         .restart        = mpc83xx_restart,
  99         .time_init      = mpc83xx_time_init,
 100         .calibrate_decr = generic_calibrate_decr,
 101         .progress       = udbg_progress,
 102 };