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: Nobuhiro Iwamatsu <iwamatsu@nigarui.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
parent
418f219c25
commit
144cd59687
|
@ -1,9 +1,10 @@
|
||||||
/*
|
/*
|
||||||
* 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 @@
|
||||||
* 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 */
|
||||||
__raw_writeb(__raw_readb(PA_IMASK) | value, PA_IMASK);
|
BUTTON, /* Button swtich */
|
||||||
}
|
|
||||||
|
|
||||||
static struct irq_chip landisk_irq_chip __read_mostly = {
|
|
||||||
.name = "LANDISK",
|
|
||||||
.irq_mask = disable_landisk_irq,
|
|
||||||
.irq_unmask = enable_landisk_irq,
|
|
||||||
};
|
};
|
||||||
|
|
||||||
|
/* 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),
|
||||||
|
};
|
||||||
|
|
||||||
|
/* IRLMSK mask register layout for LANDISK */
|
||||||
|
static struct intc_mask_reg mask_registers_landisk[] __initdata = {
|
||||||
|
{ PA_IMASK, 0, 8, /* IRLMSK */
|
||||||
|
{ 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);
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue