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] */
22 static 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 
pcibios_map_platform_irq(const struct pci_dev * pdev,u8 slot,u8 pin)37 int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
38 {
39        return sdk7780_irq_tab[pin-1][slot];
40 }
41