1 /*
2 * arch/sh/boards/mach-landisk/irq.c
3 *
4 * I-O DATA Device, Inc. LANDISK Support
5 *
6 * Copyright (C) 2005-2007 kogiidena
7 * Copyright (C) 2011 Nobuhiro Iwamatsu
8 *
9 * Copyright (C) 2001 Ian da Silva, Jeremy Siegel
10 * Based largely on io_se.c.
11 *
12 * This file is subject to the terms and conditions of the GNU General Public
13 * License. See the file "COPYING" in the main directory of this archive
14 * for more details.
15 */
16
17 #include <linux/init.h>
18 #include <linux/irq.h>
19 #include <linux/interrupt.h>
20 #include <linux/io.h>
21 #include <mach-landisk/mach/iodata_landisk.h>
22
23 enum {
24 UNUSED = 0,
25
26 PCI_INTA, /* PCI int A */
27 PCI_INTB, /* PCI int B */
28 PCI_INTC, /* PCI int C */
29 PCI_INTD, /* PCI int D */
30 ATA, /* ATA */
31 FATA, /* CF */
32 POWER, /* Power swtich */
33 BUTTON, /* Button swtich */
34 };
35
36 /* Vectors for LANDISK */
37 static struct intc_vect vectors_landisk[] __initdata = {
38 INTC_IRQ(PCI_INTA, IRQ_PCIINTA),
39 INTC_IRQ(PCI_INTB, IRQ_PCIINTB),
40 INTC_IRQ(PCI_INTC, IRQ_PCIINTC),
41 INTC_IRQ(PCI_INTD, IRQ_PCIINTD),
42 INTC_IRQ(ATA, IRQ_ATA),
43 INTC_IRQ(FATA, IRQ_FATA),
44 INTC_IRQ(POWER, IRQ_POWER),
45 INTC_IRQ(BUTTON, IRQ_BUTTON),
46 };
47
48 /* IRLMSK mask register layout for LANDISK */
49 static struct intc_mask_reg mask_registers_landisk[] __initdata = {
50 { PA_IMASK, 0, 8, /* IRLMSK */
51 { BUTTON, POWER, FATA, ATA,
52 PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA,
53 }
54 },
55 };
56
57 static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL,
58 mask_registers_landisk, NULL, NULL);
59 /*
60 * Initialize IRQ setting
61 */
62 void __init init_landisk_IRQ(void)
63 {
64 register_intc_controller(&intc_desc_landisk);
65 __raw_writeb(0x00, PA_PWRINT_CLR);
66 }
67
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