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kernel/linux-rt-4.4.41/arch/sh/boards/mach-landisk/irq.c 1.61 KB
5113f6f70   김현기   kernel add
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  /*
   * 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);
  }