1// SPDX-License-Identifier: GPL-2.0
2/*
3 * arch/sh/drivers/pci/ops-snapgear.c
4 *
5 * Author:  David McCullough <davidm@snapgear.com>
6 *
7 * Ported to new API by Paul Mundt <lethal@linux-sh.org>
8 *
9 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
10 *
11 * PCI initialization for the SnapGear boards
12 */
13#include <linux/kernel.h>
14#include <linux/types.h>
15#include <linux/init.h>
16#include <linux/pci.h>
17#include <linux/sh_intc.h>
18#include "pci-sh4.h"
19
20int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
21{
22	int irq = -1;
23
24	switch (slot) {
25	case 8:  /* the PCI bridge */ break;
26	case 11: irq = evt2irq(0x300); break; /* USB    */
27	case 12: irq = evt2irq(0x360); break; /* PCMCIA */
28	case 13: irq = evt2irq(0x2a0); break; /* eth0   */
29	case 14: irq = evt2irq(0x300); break; /* eth1   */
30	case 15: irq = evt2irq(0x360); break; /* safenet (unused) */
31	}
32
33	printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n",
34	       slot, pin - 1 + 'A', irq);
35
36	return irq;
37}
38