1 /* 2 * arch/sh/drivers/pci/ops-snapgear.c 3 * 4 * Author: David McCullough <davidm@snapgear.com> 5 * 6 * Ported to new API by Paul Mundt <lethal@linux-sh.org> 7 * 8 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. 9 * 10 * May be copied or modified under the terms of the GNU General Public 11 * License. See linux/COPYING for more information. 12 * 13 * PCI initialization for the SnapGear boards 14 */ 15 #include <linux/kernel.h> 16 #include <linux/types.h> 17 #include <linux/init.h> 18 #include <linux/pci.h> 19 #include "pci-sh4.h" 20 21 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) 22 { 23 int irq = -1; 24 25 switch (slot) { 26 case 8: /* the PCI bridge */ break; 27 case 11: irq = 8; break; /* USB */ 28 case 12: irq = 11; break; /* PCMCIA */ 29 case 13: irq = 5; break; /* eth0 */ 30 case 14: irq = 8; break; /* eth1 */ 31 case 15: irq = 11; break; /* safenet (unused) */ 32 } 33 34 printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n", 35 slot, pin - 1 + 'A', irq); 36 37 return irq; 38 } 39