LXR linux/arch/powerpc/platforms/85xx/mpc8536

   1/*
   2 * MPC8536 DS Board Setup
   3 *
   4 * Copyright 2008 Freescale Semiconductor, Inc.
   5 *
   6 * This program is free software; you can redistribute  it and/or modify it
   7 * under  the terms of  the GNU General  Public License as published by the
   8 * Free Software Foundation;  either version 2 of the  License, or (at your
   9 * option) any later version.
  10 */
  11
  12#include <linux/stddef.h>
  13#include <linux/kernel.h>
  14#include <linux/pci.h>
  15#include <linux/kdev_t.h>
  16#include <linux/delay.h>
  17#include <linux/seq_file.h>
  18#include <linux/interrupt.h>
  19#include <linux/of_platform.h>
  20
  21#include <asm/time.h>
  22#include <asm/machdep.h>
  23#include <asm/pci-bridge.h>
  24#include <mm/mmu_decl.h>
  25#include <asm/prom.h>
  26#include <asm/udbg.h>
  27#include <asm/mpic.h>
  28#include <asm/swiotlb.h>
  29
  30#include <sysdev/fsl_soc.h>
  31#include <sysdev/fsl_pci.h>
  32
  33#include "mpc85xx.h"
  34
  35void __init mpc8536_ds_pic_init(void)
  36{
  37        struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
  38                        0, 256, " OpenPIC  ");
  39        BUG_ON(mpic == NULL);
  40        mpic_init(mpic);
  41}
  42
  43/*
  44 * Setup the architecture
  45 */
  46static void __init mpc8536_ds_setup_arch(void)
  47{
  48        if (ppc_md.progress)
  49                ppc_md.progress("mpc8536_ds_setup_arch()", 0);
  50
  51        fsl_pci_assign_primary();
  52
  53        swiotlb_detect_4g();
  54
  55        printk("MPC8536 DS board from Freescale Semiconductor\n");
  56}
  57
  58machine_arch_initcall(mpc8536_ds, mpc85xx_common_publish_devices);
  59
  60machine_arch_initcall(mpc8536_ds, swiotlb_setup_bus_notifier);
  61
  62/*
  63 * Called very early, device-tree isn't unflattened
  64 */
  65static int __init mpc8536_ds_probe(void)
  66{
  67        unsigned long root = of_get_flat_dt_root();
  68
  69        return of_flat_dt_is_compatible(root, "fsl,mpc8536ds");
  70}
  71
  72define_machine(mpc8536_ds) {
  73        .name                   = "MPC8536 DS",
  74        .probe                  = mpc8536_ds_probe,
  75        .setup_arch             = mpc8536_ds_setup_arch,
  76        .init_IRQ               = mpc8536_ds_pic_init,
  77#ifdef CONFIG_PCI
  78        .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  79#endif
  80        .get_irq                = mpic_get_irq,
  81        .restart                = fsl_rstcr_restart,
  82        .calibrate_decr         = generic_calibrate_decr,
  83        .progress               = udbg_progress,
  84};
  85