64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* arch/sh/boards/mach-landisk/irq.c
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*
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* I-O DATA Device, Inc. LANDISK Support
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*
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* Copyright (C) 2005-2007 kogiidena
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* Copyright (C) 2011 Nobuhiro Iwamatsu
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*
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* Copyright (C) 2001 Ian da Silva, Jeremy Siegel
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* Based largely on io_se.c.
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*/
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <mach-landisk/mach/iodata_landisk.h>
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enum {
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UNUSED = 0,
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PCI_INTA, /* PCI int A */
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PCI_INTB, /* PCI int B */
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PCI_INTC, /* PCI int C */
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PCI_INTD, /* PCI int D */
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ATA, /* ATA */
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FATA, /* CF */
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POWER, /* Power switch */
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BUTTON, /* Button switch */
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};
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/* Vectors for LANDISK */
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static struct intc_vect vectors_landisk[] __initdata = {
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INTC_IRQ(PCI_INTA, IRQ_PCIINTA),
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INTC_IRQ(PCI_INTB, IRQ_PCIINTB),
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INTC_IRQ(PCI_INTC, IRQ_PCIINTC),
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INTC_IRQ(PCI_INTD, IRQ_PCIINTD),
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INTC_IRQ(ATA, IRQ_ATA),
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INTC_IRQ(FATA, IRQ_FATA),
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INTC_IRQ(POWER, IRQ_POWER),
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INTC_IRQ(BUTTON, IRQ_BUTTON),
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};
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/* IRLMSK mask register layout for LANDISK */
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static struct intc_mask_reg mask_registers_landisk[] __initdata = {
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{ PA_IMASK, 0, 8, /* IRLMSK */
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{ BUTTON, POWER, FATA, ATA,
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PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA,
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}
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},
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};
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static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL,
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mask_registers_landisk, NULL, NULL);
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/*
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* Initialize IRQ setting
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*/
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void __init init_landisk_IRQ(void)
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{
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register_intc_controller(&intc_desc_landisk);
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__raw_writeb(0x00, PA_PWRINT_CLR);
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}
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