LXR linux/arch/sh/boards/board-secureedge5410.c

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
   4 * Copyright (C) 2003  Paul Mundt <lethal@linux-sh.org>
   5 *
   6 * Based on files with the following comments:
   7 *
   8 *           Copyright (C) 2000  Kazumoto Kojima
   9 *
  10 *           Modified for 7751 Solution Engine by
  11 *           Ian da Silva and Jeremy Siegel, 2001.
  12 */
  13#include <linux/init.h>
  14#include <linux/irq.h>
  15#include <linux/interrupt.h>
  16#include <linux/timer.h>
  17#include <linux/delay.h>
  18#include <linux/sched.h>
  19#include <asm/machvec.h>
  20#include <mach/secureedge5410.h>
  21#include <asm/irq.h>
  22#include <asm/io.h>
  23#include <cpu/timer.h>
  24
  25unsigned short secureedge5410_ioport;
  26
  27/*
  28 * EraseConfig handling functions
  29 */
  30static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
  31{
  32        printk("SnapGear: erase switch interrupt!\n");
  33
  34        return IRQ_HANDLED;
  35}
  36
  37static int __init eraseconfig_init(void)
  38{
  39        unsigned int irq = evt2irq(0x240);
  40
  41        printk("SnapGear: EraseConfig init\n");
  42
  43        /* Setup "EraseConfig" switch on external IRQ 0 */
  44        if (request_irq(irq, eraseconfig_interrupt, 0, "Erase Config", NULL))
  45                printk("SnapGear: failed to register IRQ%d for Reset witch\n",
  46                                irq);
  47        else
  48                printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
  49                                irq);
  50        return 0;
  51}
  52device_initcall(eraseconfig_init);
  53
  54/*
  55 * Initialize IRQ setting
  56 *
  57 * IRL0 = erase switch
  58 * IRL1 = eth0
  59 * IRL2 = eth1
  60 * IRL3 = crypto
  61 */
  62static void __init init_snapgear_IRQ(void)
  63{
  64        printk("Setup SnapGear IRQ/IPR ...\n");
  65        /* enable individual interrupt mode for externals */
  66        plat_irq_setup_pins(IRQ_MODE_IRQ);
  67}
  68
  69/*
  70 * The Machine Vector
  71 */
  72static struct sh_machine_vector mv_snapgear __initmv = {
  73        .mv_name                = "SnapGear SecureEdge5410",
  74        .mv_init_irq            = init_snapgear_IRQ,
  75};
  76