arch/powerpc/platforms/85xx/bsc913x_qds.c

   1 /*
   2  * BSC913xQDS Board Setup
   3  *
   4  * Author:
   5  *   Harninder Rai <harninder.rai@freescale.com>
   6  *   Priyanka Jain <Priyanka.Jain@freescale.com>
   7  *
   8  * Copyright 2014 Freescale Semiconductor Inc.
   9  *
  10  * This program is free software; you can redistribute  it and/or modify it
  11  * under  the terms of  the GNU General  Public License as published by the
  12  * Free Software Foundation;  either version 2 of the  License, or (at your
  13  * option) any later version.
  14  */
  15
  16 #include <linux/of_platform.h>
  17 #include <linux/pci.h>
  18 #include <asm/mpic.h>
  19 #include <sysdev/fsl_soc.h>
  20 #include <sysdev/fsl_pci.h>
  21 #include <asm/udbg.h>
  22
  23 #include "mpc85xx.h"
  24 #include "smp.h"
  25
  26 void __init bsc913x_qds_pic_init(void)
  27 {
  28         struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
  29           MPIC_SINGLE_DEST_CPU,
  30           0, 256, " OpenPIC  ");
  31
  32         if (!mpic)
  33                 pr_err("bsc913x: Failed to allocate MPIC structure\n");
  34         else
  35                 mpic_init(mpic);
  36 }
  37
  38 /*
  39  * Setup the architecture
  40  */
  41 static void __init bsc913x_qds_setup_arch(void)
  42 {
  43         if (ppc_md.progress)
  44                 ppc_md.progress("bsc913x_qds_setup_arch()", 0);
  45
  46 #if defined(CONFIG_SMP)
  47         mpc85xx_smp_init();
  48 #endif
  49
  50         fsl_pci_assign_primary();
  51
  52         pr_info("bsc913x board from Freescale Semiconductor\n");
  53 }
  54
  55 machine_arch_initcall(bsc9132_qds, mpc85xx_common_publish_devices);
  56
  57 /*
  58  * Called very early, device-tree isn't unflattened
  59  */
  60
  61 static int __init bsc9132_qds_probe(void)
  62 {
  63         unsigned long root = of_get_flat_dt_root();
  64
  65         return of_flat_dt_is_compatible(root, "fsl,bsc9132qds");
  66 }
  67
  68 define_machine(bsc9132_qds) {
  69         .name                   = "BSC9132 QDS",
  70         .probe                  = bsc9132_qds_probe,
  71         .setup_arch             = bsc913x_qds_setup_arch,
  72         .init_IRQ               = bsc913x_qds_pic_init,
  73 #ifdef CONFIG_PCI
  74         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  75 #endif
  76         .get_irq                = mpic_get_irq,
  77         .restart                = fsl_rstcr_restart,
  78         .calibrate_decr         = generic_calibrate_decr,
  79         .progress               = udbg_progress,
  80 };