arch/sh/boards/mach-sh7763rdp/irq.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * linux/arch/sh/boards/renesas/sh7763rdp/irq.c
   4  *
   5  * Renesas Solutions SH7763RDP Support.
   6  *
   7  * Copyright (C) 2008 Renesas Solutions Corp.
   8  * Copyright (C) 2008  Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/irq.h>
  13 #include <asm/io.h>
  14 #include <asm/irq.h>
  15 #include <mach/sh7763rdp.h>
  16
  17 #define INTC_BASE               (0xFFD00000)
  18 #define INTC_INT2PRI7   (INTC_BASE+0x4001C)
  19 #define INTC_INT2MSKCR  (INTC_BASE+0x4003C)
  20 #define INTC_INT2MSKCR1 (INTC_BASE+0x400D4)
  21
  22 /*
  23  * Initialize IRQ setting
  24  */
  25 void __init init_sh7763rdp_IRQ(void)
  26 {
  27         /* GPIO enabled */
  28         __raw_writel(1 << 25, INTC_INT2MSKCR);
  29
  30         /* enable GPIO interrupts */
  31         __raw_writel((__raw_readl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000,
  32                   INTC_INT2PRI7);
  33
  34         /* USBH enabled */
  35         __raw_writel(1 << 17, INTC_INT2MSKCR1);
  36
  37         /* GETHER enabled */
  38         __raw_writel(1 << 16, INTC_INT2MSKCR1);
  39
  40         /* DMAC enabled */
  41         __raw_writel(1 << 8, INTC_INT2MSKCR);
  42 }