linux/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
<<
>>
Prefs
   1/*
   2 * MPC85xx RDB Board Setup
   3 *
   4 * Copyright 2009 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/system.h>
  22#include <asm/time.h>
  23#include <asm/machdep.h>
  24#include <asm/pci-bridge.h>
  25#include <mm/mmu_decl.h>
  26#include <asm/prom.h>
  27#include <asm/udbg.h>
  28#include <asm/mpic.h>
  29
  30#include <sysdev/fsl_soc.h>
  31#include <sysdev/fsl_pci.h>
  32#include "smp.h"
  33
  34#include "mpc85xx.h"
  35
  36#undef DEBUG
  37
  38#ifdef DEBUG
  39#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
  40#else
  41#define DBG(fmt, args...)
  42#endif
  43
  44
  45void __init mpc85xx_rdb_pic_init(void)
  46{
  47        struct mpic *mpic;
  48        unsigned long root = of_get_flat_dt_root();
  49
  50        if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) {
  51                mpic = mpic_alloc(NULL, 0,
  52                        MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
  53                        MPIC_SINGLE_DEST_CPU,
  54                        0, 256, " OpenPIC  ");
  55        } else {
  56                mpic = mpic_alloc(NULL, 0,
  57                  MPIC_WANTS_RESET |
  58                  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
  59                  MPIC_SINGLE_DEST_CPU,
  60                  0, 256, " OpenPIC  ");
  61        }
  62
  63        BUG_ON(mpic == NULL);
  64        mpic_init(mpic);
  65}
  66
  67/*
  68 * Setup the architecture
  69 */
  70static void __init mpc85xx_rdb_setup_arch(void)
  71{
  72#ifdef CONFIG_PCI
  73        struct device_node *np;
  74#endif
  75
  76        if (ppc_md.progress)
  77                ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
  78
  79#ifdef CONFIG_PCI
  80        for_each_node_by_type(np, "pci") {
  81                if (of_device_is_compatible(np, "fsl,mpc8548-pcie"))
  82                        fsl_add_bridge(np, 0);
  83        }
  84
  85#endif
  86
  87        mpc85xx_smp_init();
  88        printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
  89}
  90
  91machine_device_initcall(p2020_rdb, mpc85xx_common_publish_devices);
  92machine_device_initcall(p1020_rdb, mpc85xx_common_publish_devices);
  93
  94/*
  95 * Called very early, device-tree isn't unflattened
  96 */
  97static int __init p2020_rdb_probe(void)
  98{
  99        unsigned long root = of_get_flat_dt_root();
 100
 101        if (of_flat_dt_is_compatible(root, "fsl,P2020RDB"))
 102                return 1;
 103        return 0;
 104}
 105
 106static int __init p1020_rdb_probe(void)
 107{
 108        unsigned long root = of_get_flat_dt_root();
 109
 110        if (of_flat_dt_is_compatible(root, "fsl,P1020RDB"))
 111                return 1;
 112        return 0;
 113}
 114
 115define_machine(p2020_rdb) {
 116        .name                   = "P2020 RDB",
 117        .probe                  = p2020_rdb_probe,
 118        .setup_arch             = mpc85xx_rdb_setup_arch,
 119        .init_IRQ               = mpc85xx_rdb_pic_init,
 120#ifdef CONFIG_PCI
 121        .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 122#endif
 123        .get_irq                = mpic_get_irq,
 124        .restart                = fsl_rstcr_restart,
 125        .calibrate_decr         = generic_calibrate_decr,
 126        .progress               = udbg_progress,
 127};
 128
 129define_machine(p1020_rdb) {
 130        .name                   = "P1020 RDB",
 131        .probe                  = p1020_rdb_probe,
 132        .setup_arch             = mpc85xx_rdb_setup_arch,
 133        .init_IRQ               = mpc85xx_rdb_pic_init,
 134#ifdef CONFIG_PCI
 135        .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 136#endif
 137        .get_irq                = mpic_get_irq,
 138        .restart                = fsl_rstcr_restart,
 139        .calibrate_decr         = generic_calibrate_decr,
 140        .progress               = udbg_progress,
 141};
 142