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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Board setup routines for the Emerson/Artesyn MVME2500
   4  *
   5  * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
   6  *
   7  * Based on earlier code by:
   8  *
   9  *      Xianghua Xiao (x.xiao@freescale.com)
  10  *      Tom Armistead (tom.armistead@emerson.com)
  11  *      Copyright 2012 Emerson
  12  *
  13  * Author Alessio Igor Bogani <alessio.bogani@elettra.eu>
  14  */
  15
  16 #include <linux/pci.h>
  17 #include <asm/udbg.h>
  18 #include <asm/mpic.h>
  19 #include <sysdev/fsl_soc.h>
  20 #include <sysdev/fsl_pci.h>
  21
  22 #include "mpc85xx.h"
  23
  24 void __init mvme2500_pic_init(void)
  25 {
  26         struct mpic *mpic = mpic_alloc(NULL, 0,
  27                   MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
  28                 0, 256, " OpenPIC  ");
  29         BUG_ON(mpic == NULL);
  30         mpic_init(mpic);
  31 }
  32
  33 /*
  34  * Setup the architecture
  35  */
  36 static void __init mvme2500_setup_arch(void)
  37 {
  38         if (ppc_md.progress)
  39                 ppc_md.progress("mvme2500_setup_arch()", 0);
  40         fsl_pci_assign_primary();
  41         pr_info("MVME2500 board from Artesyn\n");
  42 }
  43
  44 machine_arch_initcall(mvme2500, mpc85xx_common_publish_devices);
  45
  46 /*
  47  * Called very early, device-tree isn't unflattened
  48  */
  49 static int __init mvme2500_probe(void)
  50 {
  51         return of_machine_is_compatible("artesyn,MVME2500");
  52 }
  53
  54 define_machine(mvme2500) {
  55         .name                   = "MVME2500",
  56         .probe                  = mvme2500_probe,
  57         .setup_arch             = mvme2500_setup_arch,
  58         .init_IRQ               = mvme2500_pic_init,
  59 #ifdef CONFIG_PCI
  60         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  61         .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
  62 #endif
  63         .get_irq                = mpic_get_irq,
  64         .calibrate_decr         = generic_calibrate_decr,
  65         .progress               = udbg_progress,
  66 };