LXR linux/arch/arm/mach-iop13xx/iq81340mc.c

   1/*
   2 * iq81340mc board support
   3 * Copyright (c) 2005-2006, Intel Corporation.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms and conditions of the GNU General Public License,
   7 * version 2, as published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * You should have received a copy of the GNU General Public License along with
  15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  16 * Place - Suite 330, Boston, MA 02111-1307 USA.
  17 *
  18 */
  19#include <linux/pci.h>
  20
  21#include <mach/hardware.h>
  22#include <asm/irq.h>
  23#include <asm/mach/pci.h>
  24#include <asm/mach-types.h>
  25#include <asm/mach/arch.h>
  26#include "pci.h"
  27#include <asm/mach/time.h>
  28#include <mach/time.h>
  29
  30extern int init_atu; /* Flag to select which ATU(s) to initialize / disable */
  31
  32static int __init
  33iq81340mc_pcix_map_irq(const struct pci_dev *dev, u8 idsel, u8 pin)
  34{
  35        switch (idsel) {
  36        case 1:
  37                switch (pin) {
  38                case 1: return ATUX_INTB;
  39                case 2: return ATUX_INTC;
  40                case 3: return ATUX_INTD;
  41                case 4: return ATUX_INTA;
  42                default: return -1;
  43                }
  44        case 2:
  45                switch (pin) {
  46                case 1: return ATUX_INTC;
  47                case 2: return ATUX_INTD;
  48                case 3: return ATUX_INTC;
  49                case 4: return ATUX_INTD;
  50                default: return -1;
  51                }
  52        default: return -1;
  53        }
  54}
  55
  56static struct hw_pci iq81340mc_pci __initdata = {
  57        .nr_controllers = 0,
  58        .setup          = iop13xx_pci_setup,
  59        .map_irq        = iq81340mc_pcix_map_irq,
  60        .scan           = iop13xx_scan_bus,
  61        .preinit        = iop13xx_pci_init,
  62};
  63
  64static int __init iq81340mc_pci_init(void)
  65{
  66        iop13xx_atu_select(&iq81340mc_pci);
  67        pci_common_init(&iq81340mc_pci);
  68        iop13xx_map_pci_memory();
  69
  70        return 0;
  71}
  72
  73static void __init iq81340mc_init(void)
  74{
  75        iop13xx_platform_init();
  76        iq81340mc_pci_init();
  77        iop13xx_add_tpmi_devices();
  78}
  79
  80static void __init iq81340mc_timer_init(void)
  81{
  82        unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio();
  83        printk(KERN_DEBUG "%s: bus frequency: %lu\n", __func__, bus_freq);
  84        iop_init_time(bus_freq);
  85}
  86
  87MACHINE_START(IQ81340MC, "Intel IQ81340MC")
  88        /* Maintainer: Dan Williams <dan.j.williams@intel.com> */
  89        .atag_offset    = 0x100,
  90        .init_early     = iop13xx_init_early,
  91        .map_io         = iop13xx_map_io,
  92        .init_irq       = iop13xx_init_irq,
  93        .init_time      = iq81340mc_timer_init,
  94        .init_machine   = iq81340mc_init,
  95        .restart        = iop13xx_restart,
  96        .nr_irqs        = NR_IOP13XX_IRQS,
  97MACHINE_END
  98