arch/powerpc/platforms/85xx/mpc8536_ds.c

   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
  35 void __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  */
  46 static 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
  58 machine_arch_initcall(mpc8536_ds, mpc85xx_common_publish_devices);
  59
  60 machine_arch_initcall(mpc8536_ds, swiotlb_setup_bus_notifier);
  61
  62 /*
  63  * Called very early, device-tree isn't unflattened
  64  */
  65 static 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
  72 define_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 };