1// SPDX-License-Identifier: GPL-2.0
2/*
3 * arch/sh/drivers/pci/fixups-sdk7780.c
4 *
5 * PCI fixups for the SDK7780SE03
6 *
7 * Copyright (C) 2003  Lineo uSolutions, Inc.
8 * Copyright (C) 2004 - 2006  Paul Mundt
9 * Copyright (C) 2006  Nobuhiro Iwamatsu
10 */
11#include <linux/pci.h>
12#include <linux/io.h>
13#include <linux/sh_intc.h>
14#include "pci-sh4.h"
15
16#define IRQ_INTA	evt2irq(0xa20)
17#define IRQ_INTB	evt2irq(0xa40)
18#define IRQ_INTC	evt2irq(0xa60)
19#define IRQ_INTD	evt2irq(0xa80)
20
21/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
22static char sdk7780_irq_tab[4][16] = {
23	/* INTA */
24	{ IRQ_INTA, IRQ_INTD, IRQ_INTC, IRQ_INTD, -1, -1, -1, -1, -1, -1,
25	  -1, -1, -1, -1, -1, -1 },
26	/* INTB */
27	{ IRQ_INTB, IRQ_INTA, -1, IRQ_INTA, -1, -1, -1, -1, -1, -1, -1, -1,
28	  -1, -1, -1, -1 },
29	/* INTC */
30	{ IRQ_INTC, IRQ_INTB, -1, IRQ_INTB, -1, -1, -1, -1, -1, -1, -1, -1,
31	  -1, -1, -1, -1 },
32	/* INTD */
33	{ IRQ_INTD, IRQ_INTC, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
34	  -1, -1, -1 },
35};
36
37int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
38{
39       return sdk7780_irq_tab[pin-1][slot];
40}
41