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

   1 /*
   2  * Corenet based SoC DS Setup
   3  *
   4  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
   5  *
   6  * Copyright 2009-2011 Freescale Semiconductor Inc.
   7  *
   8  * This program is free software; you can redistribute  it and/or modify it
   9  * under  the terms of  the GNU General  Public License as published by the
  10  * Free Software Foundation;  either version 2 of the  License, or (at your
  11  * option) any later version.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/pci.h>
  16 #include <linux/kdev_t.h>
  17 #include <linux/delay.h>
  18 #include <linux/interrupt.h>
  19
  20 #include <asm/time.h>
  21 #include <asm/machdep.h>
  22 #include <asm/pci-bridge.h>
  23 #include <asm/ppc-pci.h>
  24 #include <mm/mmu_decl.h>
  25 #include <asm/prom.h>
  26 #include <asm/udbg.h>
  27 #include <asm/mpic.h>
  28
  29 #include <linux/of_platform.h>
  30 #include <sysdev/fsl_soc.h>
  31 #include <sysdev/fsl_pci.h>
  32 #include "smp.h"
  33
  34 void __init corenet_ds_pic_init(void)
  35 {
  36         struct mpic *mpic;
  37         unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU |
  38                 MPIC_NO_RESET;
  39
  40         if (ppc_md.get_irq == mpic_get_coreint_irq)
  41                 flags |= MPIC_ENABLE_COREINT;
  42
  43         mpic = mpic_alloc(NULL, 0, flags, 0, 512, " OpenPIC  ");
  44         BUG_ON(mpic == NULL);
  45
  46         mpic_init(mpic);
  47 }
  48
  49 /*
  50  * Setup the architecture
  51  */
  52 void __init corenet_ds_setup_arch(void)
  53 {
  54         mpc85xx_smp_init();
  55
  56         swiotlb_detect_4g();
  57
  58         pr_info("%s board from Freescale Semiconductor\n", ppc_md.name);
  59 }
  60
  61 static const struct of_device_id of_device_ids[] = {
  62         {
  63                 .compatible     = "simple-bus"
  64         },
  65         {
  66                 .compatible     = "fsl,srio",
  67         },
  68         {
  69                 .compatible     = "fsl,p4080-pcie",
  70         },
  71         {
  72                 .compatible     = "fsl,qoriq-pcie-v2.2",
  73         },
  74         {
  75                 .compatible     = "fsl,qoriq-pcie-v2.3",
  76         },
  77         {
  78                 .compatible     = "fsl,qoriq-pcie-v2.4",
  79         },
  80         {
  81                 .compatible     = "fsl,qoriq-pcie-v3.0",
  82         },
  83         /* The following two are for the Freescale hypervisor */
  84         {
  85                 .name           = "hypervisor",
  86         },
  87         {
  88                 .name           = "handles",
  89         },
  90         {}
  91 };
  92
  93 int __init corenet_ds_publish_devices(void)
  94 {
  95         return of_platform_bus_probe(NULL, of_device_ids, NULL);
  96 }