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 <linux/sh_intc.h> 20 #include "pci-sh4.h" 21 22 int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) 23 { 24 int irq = -1; 25 26 switch (slot) { 27 case 8: /* the PCI bridge */ break; 28 case 11: irq = evt2irq(0x300); break; /* USB */ 29 case 12: irq = evt2irq(0x360); break; /* PCMCIA */ 30 case 13: irq = evt2irq(0x2a0); break; /* eth0 */ 31 case 14: irq = evt2irq(0x300); break; /* eth1 */ 32 case 15: irq = evt2irq(0x360); break; /* safenet (unused) */ 33 } 34 35 printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n", 36 slot, pin - 1 + 'A', irq); 37 38 return irq; 39 } 40