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
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
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