Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * arch/sh/drivers/pci/ops-snapgear.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Author:  David McCullough <davidm@snapgear.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Ported to new API by Paul Mundt <lethal@linux-sh.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * PCI initialization for the SnapGear boards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/sh_intc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "pci-sh4.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	int irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	switch (slot) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	case 8:  /* the PCI bridge */ break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	case 11: irq = evt2irq(0x300); break; /* USB    */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	case 12: irq = evt2irq(0x360); break; /* PCMCIA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	case 13: irq = evt2irq(0x2a0); break; /* eth0   */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	case 14: irq = evt2irq(0x300); break; /* eth1   */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	case 15: irq = evt2irq(0x360); break; /* safenet (unused) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	       slot, pin - 1 + 'A', irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	return irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }