arch/powerpc/platforms/85xx/bsc913x_rdb.c

   1 /*
   2  * BSC913xRDB Board Setup
   3  *
   4  * Author: Priyanka Jain <Priyanka.Jain@freescale.com>
   5  *
   6  * Copyright 2011-2012 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/of_platform.h>
  15 #include <linux/pci.h>
  16 #include <asm/mpic.h>
  17 #include <sysdev/fsl_soc.h>
  18 #include <asm/udbg.h>
  19
  20 #include "mpc85xx.h"
  21
  22 void __init bsc913x_rdb_pic_init(void)
  23 {
  24         struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
  25           MPIC_SINGLE_DEST_CPU,
  26           0, 256, " OpenPIC  ");
  27
  28         if (!mpic)
  29                 pr_err("bsc913x: Failed to allocate MPIC structure\n");
  30         else
  31                 mpic_init(mpic);
  32 }
  33
  34 /*
  35  * Setup the architecture
  36  */
  37 static void __init bsc913x_rdb_setup_arch(void)
  38 {
  39         if (ppc_md.progress)
  40                 ppc_md.progress("bsc913x_rdb_setup_arch()", 0);
  41
  42         pr_info("bsc913x board from Freescale Semiconductor\n");
  43 }
  44
  45 machine_device_initcall(bsc9131_rdb, mpc85xx_common_publish_devices);
  46
  47 /*
  48  * Called very early, device-tree isn't unflattened
  49  */
  50
  51 static int __init bsc9131_rdb_probe(void)
  52 {
  53         unsigned long root = of_get_flat_dt_root();
  54
  55         return of_flat_dt_is_compatible(root, "fsl,bsc9131rdb");
  56 }
  57
  58 define_machine(bsc9131_rdb) {
  59         .name                   = "BSC9131 RDB",
  60         .probe                  = bsc9131_rdb_probe,
  61         .setup_arch             = bsc913x_rdb_setup_arch,
  62         .init_IRQ               = bsc913x_rdb_pic_init,
  63         .get_irq                = mpic_get_irq,
  64         .restart                = fsl_rstcr_restart,
  65         .calibrate_decr         = generic_calibrate_decr,
  66         .progress               = udbg_progress,
  67 };