kernel/arch/powerpc/platforms/85xx/mvme2500.c

   1 /*
   2  * Board setup routines for the Emerson/Artesyn MVME2500
   3  *
   4  * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
   5  *
   6  * Based on earlier code by:
   7  *
   8  *      Xianghua Xiao (x.xiao@freescale.com)
   9  *      Tom Armistead (tom.armistead@emerson.com)
  10  *      Copyright 2012 Emerson
  11  *
  12  * This program is free software; you can redistribute  it and/or modify it
  13  * under  the terms of  the GNU General  Public License as published by the
  14  * Free Software Foundation;  either version 2 of the  License, or (at your
  15  * option) any later version.
  16  *
  17  * Author Alessio Igor Bogani <alessio.bogani@elettra.eu>
  18  *
  19  */
  20
  21 #include <linux/pci.h>
  22 #include <asm/udbg.h>
  23 #include <asm/mpic.h>
  24 #include <sysdev/fsl_soc.h>
  25 #include <sysdev/fsl_pci.h>
  26
  27 #include "mpc85xx.h"
  28
  29 void __init mvme2500_pic_init(void)
  30 {
  31         struct mpic *mpic = mpic_alloc(NULL, 0,
  32                   MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
  33                 0, 256, " OpenPIC  ");
  34         BUG_ON(mpic == NULL);
  35         mpic_init(mpic);
  36 }
  37
  38 /*
  39  * Setup the architecture
  40  */
  41 static void __init mvme2500_setup_arch(void)
  42 {
  43         if (ppc_md.progress)
  44                 ppc_md.progress("mvme2500_setup_arch()", 0);
  45         fsl_pci_assign_primary();
  46         pr_info("MVME2500 board from Artesyn\n");
  47 }
  48
  49 machine_arch_initcall(mvme2500, mpc85xx_common_publish_devices);
  50
  51 /*
  52  * Called very early, device-tree isn't unflattened
  53  */
  54 static int __init mvme2500_probe(void)
  55 {
  56         unsigned long root = of_get_flat_dt_root();
  57
  58         return of_flat_dt_is_compatible(root, "artesyn,MVME2500");
  59 }
  60
  61 define_machine(mvme2500) {
  62         .name                   = "MVME2500",
  63         .probe                  = mvme2500_probe,
  64         .setup_arch             = mvme2500_setup_arch,
  65         .init_IRQ               = mvme2500_pic_init,
  66 #ifdef CONFIG_PCI
  67         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  68         .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
  69 #endif
  70         .get_irq                = mpic_get_irq,
  71         .restart                = fsl_rstcr_restart,
  72         .calibrate_decr         = generic_calibrate_decr,
  73         .progress               = udbg_progress,
  74 };