diff options
Diffstat (limited to 'arch/sh/boards/mach-landisk/irq.c')
-rw-r--r-- | arch/sh/boards/mach-landisk/irq.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-landisk/irq.c b/arch/sh/boards/mach-landisk/irq.c new file mode 100644 index 00000000..c00ace38 --- /dev/null +++ b/arch/sh/boards/mach-landisk/irq.c @@ -0,0 +1,66 @@ +/* + * arch/sh/boards/mach-landisk/irq.c + * + * I-O DATA Device, Inc. LANDISK Support + * + * Copyright (C) 2005-2007 kogiidena + * Copyright (C) 2011 Nobuhiro Iwamatsu + * + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <mach-landisk/mach/iodata_landisk.h> + +enum { + UNUSED = 0, + + PCI_INTA, /* PCI int A */ + PCI_INTB, /* PCI int B */ + PCI_INTC, /* PCI int C */ + PCI_INTD, /* PCI int D */ + ATA, /* ATA */ + FATA, /* CF */ + POWER, /* Power swtich */ + BUTTON, /* Button swtich */ +}; + +/* 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 + */ +void __init init_landisk_IRQ(void) +{ + register_intc_controller(&intc_desc_landisk); + __raw_writeb(0x00, PA_PWRINT_CLR); +} |