Commit 144cd596 authored by Nobuhiro Iwamatsu's avatar Nobuhiro Iwamatsu Committed by Paul Mundt

sh: intc - convert board specific landisk code

This converts the board specific interrupt code for landisk to make
use of intc (use register_intc_controller).
Signed-off-by: default avatarNobuhiro Iwamatsu <iwamatsu@nigarui.org>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 418f219c
/* /*
* arch/sh/boards/landisk/irq.c * arch/sh/boards/mach-landisk/irq.c
* *
* I-O DATA Device, Inc. LANDISK Support * I-O DATA Device, Inc. LANDISK Support
* *
* Copyright (C) 2005-2007 kogiidena * Copyright (C) 2005-2007 kogiidena
* Copyright (C) 2011 Nobuhiro Iwamatsu
* *
* Copyright (C) 2001 Ian da Silva, Jeremy Siegel * Copyright (C) 2001 Ian da Silva, Jeremy Siegel
* Based largely on io_se.c. * Based largely on io_se.c.
...@@ -12,44 +13,54 @@ ...@@ -12,44 +13,54 @@
* License. See the file "COPYING" in the main directory of this archive * License. See the file "COPYING" in the main directory of this archive
* for more details. * for more details.
*/ */
#include <linux/init.h> #include <linux/init.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/io.h> #include <linux/io.h>
#include <mach-landisk/mach/iodata_landisk.h> #include <mach-landisk/mach/iodata_landisk.h>
static void disable_landisk_irq(struct irq_data *data) enum {
{ UNUSED = 0,
unsigned char mask = 0xff ^ (0x01 << (data->irq - 5));
__raw_writeb(__raw_readb(PA_IMASK) & mask, PA_IMASK); PCI_INTA, /* PCI int A */
} PCI_INTB, /* PCI int B */
PCI_INTC, /* PCI int C */
static void enable_landisk_irq(struct irq_data *data) PCI_INTD, /* PCI int D */
{ ATA, /* ATA */
unsigned char value = (0x01 << (data->irq - 5)); FATA, /* CF */
POWER, /* Power swtich */
BUTTON, /* Button swtich */
};
__raw_writeb(__raw_readb(PA_IMASK) | value, PA_IMASK); /* Vectors for LANDISK */
} static struct intc_vect vectors_landisk[] __initdata = {
INTC_IRQ(PCI_INTA, IRQ_PCIINTA),
INTC_IRQ(PCI_INTB, IRQ_PCIINTB),
INTC_IRQ(PCI_INTC, IRQ_PCIINTC),
INTC_IRQ(PCI_INTD, IRQ_PCIINTD),
INTC_IRQ(ATA, IRQ_ATA),
INTC_IRQ(FATA, IRQ_FATA),
INTC_IRQ(POWER, IRQ_POWER),
INTC_IRQ(BUTTON, IRQ_BUTTON),
};
static struct irq_chip landisk_irq_chip __read_mostly = { /* IRLMSK mask register layout for LANDISK */
.name = "LANDISK", static struct intc_mask_reg mask_registers_landisk[] __initdata = {
.irq_mask = disable_landisk_irq, { PA_IMASK, 0, 8, /* IRLMSK */
.irq_unmask = enable_landisk_irq, { BUTTON, POWER, FATA, ATA,
PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA,
}
},
}; };
static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL,
mask_registers_landisk, NULL, NULL);
/* /*
* Initialize IRQ setting * Initialize IRQ setting
*/ */
void __init init_landisk_IRQ(void) void __init init_landisk_IRQ(void)
{ {
int i; register_intc_controller(&intc_desc_landisk);
for (i = 5; i < 14; i++) {
disable_irq_nosync(i);
set_irq_chip_and_handler_name(i, &landisk_irq_chip,
handle_level_irq, "level");
enable_landisk_irq(irq_get_irq_data(i));
}
__raw_writeb(0x00, PA_PWRINT_CLR); __raw_writeb(0x00, PA_PWRINT_CLR);
} }
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