LXR linux/arch/powerpc/platforms/85xx/c293pcie.c

   1/*
   2 * C293PCIE Board Setup
   3 *
   4 * Copyright 2013 Freescale Semiconductor Inc.
   5 *
   6 * This program is free software; you can redistribute  it and/or modify it
   7 * under  the terms of  the GNU General  Public License as published by the
   8 * Free Software Foundation;  either version 2 of the  License, or (at your
   9 * option) any later version.
  10 */
  11
  12#include <linux/stddef.h>
  13#include <linux/kernel.h>
  14#include <linux/of_fdt.h>
  15#include <linux/of_platform.h>
  16
  17#include <asm/machdep.h>
  18#include <asm/udbg.h>
  19#include <asm/mpic.h>
  20
  21#include <sysdev/fsl_soc.h>
  22#include <sysdev/fsl_pci.h>
  23
  24#include "mpc85xx.h"
  25
  26void __init c293_pcie_pic_init(void)
  27{
  28        struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
  29          MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC  ");
  30
  31        BUG_ON(mpic == NULL);
  32
  33        mpic_init(mpic);
  34}
  35
  36
  37/*
  38 * Setup the architecture
  39 */
  40static void __init c293_pcie_setup_arch(void)
  41{
  42        if (ppc_md.progress)
  43                ppc_md.progress("c293_pcie_setup_arch()", 0);
  44
  45        fsl_pci_assign_primary();
  46
  47        printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor\n");
  48}
  49
  50machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices);
  51
  52/*
  53 * Called very early, device-tree isn't unflattened
  54 */
  55static int __init c293_pcie_probe(void)
  56{
  57        if (of_machine_is_compatible("fsl,C293PCIE"))
  58                return 1;
  59        return 0;
  60}
  61
  62define_machine(c293_pcie) {
  63        .name                   = "C293 PCIE",
  64        .probe                  = c293_pcie_probe,
  65        .setup_arch             = c293_pcie_setup_arch,
  66        .init_IRQ               = c293_pcie_pic_init,
  67        .get_irq                = mpic_get_irq,
  68        .calibrate_decr         = generic_calibrate_decr,
  69        .progress               = udbg_progress,
  70};
  71