Logo Search packages:      
Sourcecode: linux-fsl-imx51 version File versions  Download package

netwinder-pci.c

/*
 * 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(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 = {
      .swizzle          = pci_std_swizzle,
      .map_irq          = netwinder_map_irq,
      .nr_controllers         = 1,
      .setup                  = dc21285_setup,
      .scan             = dc21285_scan_bus,
      .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);

Generated by  Doxygen 1.6.0   Back to index