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
20 int 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
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