1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * arch/sh/drivers/pci/ops-titan.c 4 * 5 * Ported to new API by Paul Mundt <lethal@linux-sh.org> 6 * 7 * Modified from ops-snapgear.c written by David McCullough 8 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. 9 * 10 * PCI initialization for the Titan boards 11 */ 12 #include <linux/kernel.h> 13 #include <linux/types.h> 14 #include <linux/init.h> 15 #include <linux/pci.h> 16 #include <linux/io.h> 17 #include <mach/titan.h> 18 #include "pci-sh4.h" 19 20 static char titan_irq_tab[] = { 21 TITAN_IRQ_WAN, 22 TITAN_IRQ_LAN, 23 TITAN_IRQ_MPCIA, 24 TITAN_IRQ_MPCIB, 25 TITAN_IRQ_USB, 26 }; 27 28 int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) 29 { 30 int irq = titan_irq_tab[slot]; 31 32 printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n", 33 slot, pin - 1 + 'A', irq); 34 35 return irq; 36 } 37