netwinder-pci.c

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/*
 * linux/arch/arm/mach-footbridge/netwinder-pci.c
 *
 * PCI bios-type initialisation for PCI machines
 *
 * Bits taken from various places.
 */
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>

#include <asm/irq.h>
#include <asm/mach/pci.h>
#include <asm/mach-types.h>

/*
 * We now use the slot ID instead of the device identifiers to select
 * which interrupt is routed where.
 */
static int __init netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
    switch (slot) {
    case 0:  /* host bridge */
        return 0;

    case 9:  /* CyberPro */
        return IRQ_NETWINDER_VGA;

    case 10: /* DC21143 */
        return IRQ_NETWINDER_ETHER100;

    case 12: /* Winbond 553 */
        return IRQ_ISA_HARDDISK1;

    case 13: /* Winbond 89C940F */
        return IRQ_NETWINDER_ETHER10;

    default:
        printk(KERN_ERR "PCI: unknown device in slot %s\n",
            pci_name(dev));
        return 0;
    }
}

static struct hw_pci netwinder_pci __initdata = {
    .map_irq        = netwinder_map_irq,
    .nr_controllers     = 1,
    .ops            = &dc21285_ops,
    .setup          = dc21285_setup,
    .preinit        = dc21285_preinit,
    .postinit       = dc21285_postinit,
};

static int __init netwinder_pci_init(void)
{
    if (machine_is_netwinder())
        pci_common_init(&netwinder_pci);
    return 0;
}

subsys_initcall(netwinder_pci_init);