kernel/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 <asm/udbg.h>
  21
  22 #include "mpc85xx.h"
  23 #include "smp.h"
  24
  25 void __init bsc913x_qds_pic_init(void)
  26 {
  27         struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
  28           MPIC_SINGLE_DEST_CPU,
  29           0, 256, " OpenPIC  ");
  30
  31         if (!mpic)
  32                 pr_err("bsc913x: Failed to allocate MPIC structure\n");
  33         else
  34                 mpic_init(mpic);
  35 }
  36
  37 /*
  38  * Setup the architecture
  39  */
  40 static void __init bsc913x_qds_setup_arch(void)
  41 {
  42         if (ppc_md.progress)
  43                 ppc_md.progress("bsc913x_qds_setup_arch()", 0);
  44
  45 #if defined(CONFIG_SMP)
  46         mpc85xx_smp_init();
  47 #endif
  48
  49         pr_info("bsc913x board from Freescale Semiconductor\n");
  50 }
  51
  52 machine_device_initcall(bsc9132_qds, mpc85xx_common_publish_devices);
  53
  54 /*
  55  * Called very early, device-tree isn't unflattened
  56  */
  57
  58 static int __init bsc9132_qds_probe(void)
  59 {
  60         unsigned long root = of_get_flat_dt_root();
  61
  62         return of_flat_dt_is_compatible(root, "fsl,bsc9132qds");
  63 }
  64
  65 define_machine(bsc9132_qds) {
  66         .name                   = "BSC9132 QDS",
  67         .probe                  = bsc9132_qds_probe,
  68         .setup_arch             = bsc913x_qds_setup_arch,
  69         .init_IRQ               = bsc913x_qds_pic_init,
  70         .get_irq                = mpic_get_irq,
  71         .restart                = fsl_rstcr_restart,
  72         .calibrate_decr         = generic_calibrate_decr,
  73         .progress               = udbg_progress,
  74 };