1 /* 2 * arch/sh/boards/mach-landisk/irq.c 3 * 4 * I-O DATA Device, Inc. LANDISK Support 5 * 6 * Copyright (C) 2005-2007 kogiidena 7 * Copyright (C) 2011 Nobuhiro Iwamatsu 8 * 9 * Copyright (C) 2001 Ian da Silva, Jeremy Siegel 10 * Based largely on io_se.c. 11 * 12 * This file is subject to the terms and conditions of the GNU General Public 13 * License. See the file "COPYING" in the main directory of this archive 14 * for more details. 15 */ 16 17 #include <linux/init.h> 18 #include <linux/irq.h> 19 #include <linux/interrupt.h> 20 #include <linux/io.h> 21 #include <mach-landisk/mach/iodata_landisk.h> 22 23 enum { 24 UNUSED = 0, 25 26 PCI_INTA, /* PCI int A */ 27 PCI_INTB, /* PCI int B */ 28 PCI_INTC, /* PCI int C */ 29 PCI_INTD, /* PCI int D */ 30 ATA, /* ATA */ 31 FATA, /* CF */ 32 POWER, /* Power swtich */ 33 BUTTON, /* Button swtich */ 34 }; 35 36 /* Vectors for LANDISK */ 37 static struct intc_vect vectors_landisk[] __initdata = { 38 INTC_IRQ(PCI_INTA, IRQ_PCIINTA), 39 INTC_IRQ(PCI_INTB, IRQ_PCIINTB), 40 INTC_IRQ(PCI_INTC, IRQ_PCIINTC), 41 INTC_IRQ(PCI_INTD, IRQ_PCIINTD), 42 INTC_IRQ(ATA, IRQ_ATA), 43 INTC_IRQ(FATA, IRQ_FATA), 44 INTC_IRQ(POWER, IRQ_POWER), 45 INTC_IRQ(BUTTON, IRQ_BUTTON), 46 }; 47 48 /* IRLMSK mask register layout for LANDISK */ 49 static struct intc_mask_reg mask_registers_landisk[] __initdata = { 50 { PA_IMASK, 0, 8, /* IRLMSK */ 51 { BUTTON, POWER, FATA, ATA, 52 PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA, 53 } 54 }, 55 }; 56 57 static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL, 58 mask_registers_landisk, NULL, NULL); 59 /* 60 * Initialize IRQ setting 61 */ 62 void __init init_landisk_IRQ(void) 63 { 64 register_intc_controller(&intc_desc_landisk); 65 __raw_writeb(0x00, PA_PWRINT_CLR); 66 } 67