18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * arch/sh/drivers/pci/ops-snapgear.c 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Author: David McCullough <davidm@snapgear.com> 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * Ported to new API by Paul Mundt <lethal@linux-sh.org> 88c2ecf20Sopenharmony_ci * 98c2ecf20Sopenharmony_ci * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. 108c2ecf20Sopenharmony_ci * 118c2ecf20Sopenharmony_ci * PCI initialization for the SnapGear boards 128c2ecf20Sopenharmony_ci */ 138c2ecf20Sopenharmony_ci#include <linux/kernel.h> 148c2ecf20Sopenharmony_ci#include <linux/types.h> 158c2ecf20Sopenharmony_ci#include <linux/init.h> 168c2ecf20Sopenharmony_ci#include <linux/pci.h> 178c2ecf20Sopenharmony_ci#include <linux/sh_intc.h> 188c2ecf20Sopenharmony_ci#include "pci-sh4.h" 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ciint pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) 218c2ecf20Sopenharmony_ci{ 228c2ecf20Sopenharmony_ci int irq = -1; 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci switch (slot) { 258c2ecf20Sopenharmony_ci case 8: /* the PCI bridge */ break; 268c2ecf20Sopenharmony_ci case 11: irq = evt2irq(0x300); break; /* USB */ 278c2ecf20Sopenharmony_ci case 12: irq = evt2irq(0x360); break; /* PCMCIA */ 288c2ecf20Sopenharmony_ci case 13: irq = evt2irq(0x2a0); break; /* eth0 */ 298c2ecf20Sopenharmony_ci case 14: irq = evt2irq(0x300); break; /* eth1 */ 308c2ecf20Sopenharmony_ci case 15: irq = evt2irq(0x360); break; /* safenet (unused) */ 318c2ecf20Sopenharmony_ci } 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n", 348c2ecf20Sopenharmony_ci slot, pin - 1 + 'A', irq); 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci return irq; 378c2ecf20Sopenharmony_ci} 38