162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * arch/sh/drivers/pci/ops-snapgear.c 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Author: David McCullough <davidm@snapgear.com> 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Ported to new API by Paul Mundt <lethal@linux-sh.org> 862306a36Sopenharmony_ci * 962306a36Sopenharmony_ci * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. 1062306a36Sopenharmony_ci * 1162306a36Sopenharmony_ci * PCI initialization for the SnapGear boards 1262306a36Sopenharmony_ci */ 1362306a36Sopenharmony_ci#include <linux/kernel.h> 1462306a36Sopenharmony_ci#include <linux/types.h> 1562306a36Sopenharmony_ci#include <linux/init.h> 1662306a36Sopenharmony_ci#include <linux/pci.h> 1762306a36Sopenharmony_ci#include <linux/sh_intc.h> 1862306a36Sopenharmony_ci#include "pci-sh4.h" 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciint pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) 2162306a36Sopenharmony_ci{ 2262306a36Sopenharmony_ci int irq = -1; 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci switch (slot) { 2562306a36Sopenharmony_ci case 8: /* the PCI bridge */ break; 2662306a36Sopenharmony_ci case 11: irq = evt2irq(0x300); break; /* USB */ 2762306a36Sopenharmony_ci case 12: irq = evt2irq(0x360); break; /* PCMCIA */ 2862306a36Sopenharmony_ci case 13: irq = evt2irq(0x2a0); break; /* eth0 */ 2962306a36Sopenharmony_ci case 14: irq = evt2irq(0x300); break; /* eth1 */ 3062306a36Sopenharmony_ci case 15: irq = evt2irq(0x360); break; /* safenet (unused) */ 3162306a36Sopenharmony_ci } 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n", 3462306a36Sopenharmony_ci slot, pin - 1 + 'A', irq); 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci return irq; 3762306a36Sopenharmony_ci} 38