arch/powerpc/platforms/85xx/mpc85xx_rdb.c

   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
  45 void __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, MPIC_NO_RESET |
  52                         MPIC_BIG_ENDIAN |
  53                         MPIC_SINGLE_DEST_CPU,
  54                         0, 256, " OpenPIC  ");
  55         } else {
  56                 mpic = mpic_alloc(NULL, 0,
  57                   MPIC_BIG_ENDIAN |
  58                   MPIC_SINGLE_DEST_CPU,
  59                   0, 256, " OpenPIC  ");
  60         }
  61
  62         BUG_ON(mpic == NULL);
  63         mpic_init(mpic);
  64 }
  65
  66 /*
  67  * Setup the architecture
  68  */
  69 static void __init mpc85xx_rdb_setup_arch(void)
  70 {
  71 #ifdef CONFIG_PCI
  72         struct device_node *np;
  73 #endif
  74
  75         if (ppc_md.progress)
  76                 ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
  77
  78 #ifdef CONFIG_PCI
  79         for_each_node_by_type(np, "pci") {
  80                 if (of_device_is_compatible(np, "fsl,mpc8548-pcie"))
  81                         fsl_add_bridge(np, 0);
  82         }
  83
  84 #endif
  85
  86         mpc85xx_smp_init();
  87         printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
  88 }
  89
  90 machine_device_initcall(p2020_rdb, mpc85xx_common_publish_devices);
  91 machine_device_initcall(p2020_rdb_pc, mpc85xx_common_publish_devices);
  92 machine_device_initcall(p1020_mbg_pc, mpc85xx_common_publish_devices);
  93 machine_device_initcall(p1020_rdb, mpc85xx_common_publish_devices);
  94 machine_device_initcall(p1021_rdb_pc, mpc85xx_common_publish_devices);
  95 machine_device_initcall(p1025_rdb, mpc85xx_common_publish_devices);
  96
  97 /*
  98  * Called very early, device-tree isn't unflattened
  99  */
 100 static int __init p2020_rdb_probe(void)
 101 {
 102         unsigned long root = of_get_flat_dt_root();
 103
 104         if (of_flat_dt_is_compatible(root, "fsl,P2020RDB"))
 105                 return 1;
 106         return 0;
 107 }
 108
 109 static int __init p1020_rdb_probe(void)
 110 {
 111         unsigned long root = of_get_flat_dt_root();
 112
 113         if (of_flat_dt_is_compatible(root, "fsl,P1020RDB"))
 114                 return 1;
 115         return 0;
 116 }
 117
 118 static int __init p1021_rdb_pc_probe(void)
 119 {
 120         unsigned long root = of_get_flat_dt_root();
 121
 122         if (of_flat_dt_is_compatible(root, "fsl,P1021RDB-PC"))
 123                 return 1;
 124         return 0;
 125 }
 126
 127 static int __init p2020_rdb_pc_probe(void)
 128 {
 129         unsigned long root = of_get_flat_dt_root();
 130
 131         if (of_flat_dt_is_compatible(root, "fsl,P2020RDB-PC"))
 132                 return 1;
 133         return 0;
 134 }
 135
 136 static int __init p1025_rdb_probe(void)
 137 {
 138         unsigned long root = of_get_flat_dt_root();
 139
 140         return of_flat_dt_is_compatible(root, "fsl,P1025RDB");
 141 }
 142
 143 static int __init p1020_mbg_pc_probe(void)
 144 {
 145         unsigned long root = of_get_flat_dt_root();
 146
 147         return of_flat_dt_is_compatible(root, "fsl,P1020MBG-PC");
 148 }
 149
 150 define_machine(p2020_rdb) {
 151         .name                   = "P2020 RDB",
 152         .probe                  = p2020_rdb_probe,
 153         .setup_arch             = mpc85xx_rdb_setup_arch,
 154         .init_IRQ               = mpc85xx_rdb_pic_init,
 155 #ifdef CONFIG_PCI
 156         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 157 #endif
 158         .get_irq                = mpic_get_irq,
 159         .restart                = fsl_rstcr_restart,
 160         .calibrate_decr         = generic_calibrate_decr,
 161         .progress               = udbg_progress,
 162 };
 163
 164 define_machine(p1020_rdb) {
 165         .name                   = "P1020 RDB",
 166         .probe                  = p1020_rdb_probe,
 167         .setup_arch             = mpc85xx_rdb_setup_arch,
 168         .init_IRQ               = mpc85xx_rdb_pic_init,
 169 #ifdef CONFIG_PCI
 170         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 171 #endif
 172         .get_irq                = mpic_get_irq,
 173         .restart                = fsl_rstcr_restart,
 174         .calibrate_decr         = generic_calibrate_decr,
 175         .progress               = udbg_progress,
 176 };
 177
 178 define_machine(p1021_rdb_pc) {
 179         .name                   = "P1021 RDB-PC",
 180         .probe                  = p1021_rdb_pc_probe,
 181         .setup_arch             = mpc85xx_rdb_setup_arch,
 182         .init_IRQ               = mpc85xx_rdb_pic_init,
 183 #ifdef CONFIG_PCI
 184         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 185 #endif
 186         .get_irq                = mpic_get_irq,
 187         .restart                = fsl_rstcr_restart,
 188         .calibrate_decr         = generic_calibrate_decr,
 189         .progress               = udbg_progress,
 190 };
 191
 192 define_machine(p2020_rdb_pc) {
 193         .name                   = "P2020RDB-PC",
 194         .probe                  = p2020_rdb_pc_probe,
 195         .setup_arch             = mpc85xx_rdb_setup_arch,
 196         .init_IRQ               = mpc85xx_rdb_pic_init,
 197 #ifdef CONFIG_PCI
 198         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 199 #endif
 200         .get_irq                = mpic_get_irq,
 201         .restart                = fsl_rstcr_restart,
 202         .calibrate_decr         = generic_calibrate_decr,
 203         .progress               = udbg_progress,
 204 };
 205
 206 define_machine(p1025_rdb) {
 207         .name                   = "P1025 RDB",
 208         .probe                  = p1025_rdb_probe,
 209         .setup_arch             = mpc85xx_rdb_setup_arch,
 210         .init_IRQ               = mpc85xx_rdb_pic_init,
 211 #ifdef CONFIG_PCI
 212         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 213 #endif
 214         .get_irq                = mpic_get_irq,
 215         .restart                = fsl_rstcr_restart,
 216         .calibrate_decr         = generic_calibrate_decr,
 217         .progress               = udbg_progress,
 218 };
 219
 220 define_machine(p1020_mbg_pc) {
 221         .name                   = "P1020 MBG-PC",
 222         .probe                  = p1020_mbg_pc_probe,
 223         .setup_arch             = mpc85xx_rdb_setup_arch,
 224         .init_IRQ               = mpc85xx_rdb_pic_init,
 225 #ifdef CONFIG_PCI
 226         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 227 #endif
 228         .get_irq                = mpic_get_irq,
 229         .restart                = fsl_rstcr_restart,
 230         .calibrate_decr         = generic_calibrate_decr,
 231         .progress               = udbg_progress,
 232 };