1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * arch/sh/boards/mach-landisk/irq.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * I-O DATA Device, Inc. LANDISK Support
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (C) 2005-2007 kogiidena
8*4882a593Smuzhiyun * Copyright (C) 2011 Nobuhiro Iwamatsu
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Copyright (C) 2001 Ian da Silva, Jeremy Siegel
11*4882a593Smuzhiyun * Based largely on io_se.c.
12*4882a593Smuzhiyun */
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <linux/init.h>
15*4882a593Smuzhiyun #include <linux/irq.h>
16*4882a593Smuzhiyun #include <linux/interrupt.h>
17*4882a593Smuzhiyun #include <linux/io.h>
18*4882a593Smuzhiyun #include <mach-landisk/mach/iodata_landisk.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun enum {
21*4882a593Smuzhiyun UNUSED = 0,
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun PCI_INTA, /* PCI int A */
24*4882a593Smuzhiyun PCI_INTB, /* PCI int B */
25*4882a593Smuzhiyun PCI_INTC, /* PCI int C */
26*4882a593Smuzhiyun PCI_INTD, /* PCI int D */
27*4882a593Smuzhiyun ATA, /* ATA */
28*4882a593Smuzhiyun FATA, /* CF */
29*4882a593Smuzhiyun POWER, /* Power swtich */
30*4882a593Smuzhiyun BUTTON, /* Button swtich */
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun /* Vectors for LANDISK */
34*4882a593Smuzhiyun static struct intc_vect vectors_landisk[] __initdata = {
35*4882a593Smuzhiyun INTC_IRQ(PCI_INTA, IRQ_PCIINTA),
36*4882a593Smuzhiyun INTC_IRQ(PCI_INTB, IRQ_PCIINTB),
37*4882a593Smuzhiyun INTC_IRQ(PCI_INTC, IRQ_PCIINTC),
38*4882a593Smuzhiyun INTC_IRQ(PCI_INTD, IRQ_PCIINTD),
39*4882a593Smuzhiyun INTC_IRQ(ATA, IRQ_ATA),
40*4882a593Smuzhiyun INTC_IRQ(FATA, IRQ_FATA),
41*4882a593Smuzhiyun INTC_IRQ(POWER, IRQ_POWER),
42*4882a593Smuzhiyun INTC_IRQ(BUTTON, IRQ_BUTTON),
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun /* IRLMSK mask register layout for LANDISK */
46*4882a593Smuzhiyun static struct intc_mask_reg mask_registers_landisk[] __initdata = {
47*4882a593Smuzhiyun { PA_IMASK, 0, 8, /* IRLMSK */
48*4882a593Smuzhiyun { BUTTON, POWER, FATA, ATA,
49*4882a593Smuzhiyun PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA,
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun },
52*4882a593Smuzhiyun };
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL,
55*4882a593Smuzhiyun mask_registers_landisk, NULL, NULL);
56*4882a593Smuzhiyun /*
57*4882a593Smuzhiyun * Initialize IRQ setting
58*4882a593Smuzhiyun */
init_landisk_IRQ(void)59*4882a593Smuzhiyun void __init init_landisk_IRQ(void)
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun register_intc_controller(&intc_desc_landisk);
62*4882a593Smuzhiyun __raw_writeb(0x00, PA_PWRINT_CLR);
63*4882a593Smuzhiyun }
64