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// SPDX-License-Identifier: GPL-2.0
/*
* 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 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);
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