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kernel/linux-rt-4.4.41/arch/sh/boards/mach-sh7763rdp/irq.c 1.09 KB
5113f6f70   김현기   kernel add
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  /*
   * linux/arch/sh/boards/renesas/sh7763rdp/irq.c
   *
   * Renesas Solutions SH7763RDP Support.
   *
   * Copyright (C) 2008 Renesas Solutions Corp.
   * Copyright (C) 2008  Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
   *
   * 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 <asm/io.h>
  #include <asm/irq.h>
  #include <mach/sh7763rdp.h>
  
  #define INTC_BASE		(0xFFD00000)
  #define INTC_INT2PRI7   (INTC_BASE+0x4001C)
  #define INTC_INT2MSKCR	(INTC_BASE+0x4003C)
  #define INTC_INT2MSKCR1	(INTC_BASE+0x400D4)
  
  /*
   * Initialize IRQ setting
   */
  void __init init_sh7763rdp_IRQ(void)
  {
  	/* GPIO enabled */
  	__raw_writel(1 << 25, INTC_INT2MSKCR);
  
  	/* enable GPIO interrupts */
  	__raw_writel((__raw_readl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000,
  		  INTC_INT2PRI7);
  
  	/* USBH enabled */
  	__raw_writel(1 << 17, INTC_INT2MSKCR1);
  
  	/* GETHER enabled */
  	__raw_writel(1 << 16, INTC_INT2MSKCR1);
  
  	/* DMAC enabled */
  	__raw_writel(1 << 8, INTC_INT2MSKCR);
  }