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setup.c

/*
 * linux/arch/sh/boards/snapgear/setup.c
 *
 * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
 * Copyright (C) 2003  Paul Mundt <lethal@linux-sh.org>
 *
 * Based on files with the following comments:
 *
 *           Copyright (C) 2000  Kazumoto Kojima
 *
 *           Modified for 7751 Solution Engine by
 *           Ian da Silva and Jeremy Siegel, 2001.
 */
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <asm/machvec.h>
#include <asm/snapgear.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <cpu/timer.h>

/*
 * EraseConfig handling functions
 */

static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
{
      (void)ctrl_inb(0xb8000000);   /* dummy read */

      printk("SnapGear: erase switch interrupt!\n");

      return IRQ_HANDLED;
}

static int __init eraseconfig_init(void)
{
      printk("SnapGear: EraseConfig init\n");
      /* Setup "EraseConfig" switch on external IRQ 0 */
      if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED,
                        "Erase Config", NULL))
            printk("SnapGear: failed to register IRQ%d for Reset witch\n",
                        IRL0_IRQ);
      else
            printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
                        IRL0_IRQ);
      return(0);
}

module_init(eraseconfig_init);

/****************************************************************************/
/*
 * Initialize IRQ setting
 *
 * IRL0 = erase switch
 * IRL1 = eth0
 * IRL2 = eth1
 * IRL3 = crypto
 */

static void __init init_snapgear_IRQ(void)
{
      printk("Setup SnapGear IRQ/IPR ...\n");
      /* enable individual interrupt mode for externals */
      plat_irq_setup_pins(IRQ_MODE_IRQ);
}

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_snapgear __initmv = {
      .mv_name          = "SnapGear SecureEdge5410",
      .mv_nr_irqs       = 72,

      .mv_inb                 = snapgear_inb,
      .mv_inw                 = snapgear_inw,
      .mv_inl                 = snapgear_inl,
      .mv_outb          = snapgear_outb,
      .mv_outw          = snapgear_outw,
      .mv_outl          = snapgear_outl,

      .mv_inb_p         = snapgear_inb_p,
      .mv_inw_p         = snapgear_inw,
      .mv_inl_p         = snapgear_inl,
      .mv_outb_p        = snapgear_outb_p,
      .mv_outw_p        = snapgear_outw,
      .mv_outl_p        = snapgear_outl,

      .mv_init_irq            = init_snapgear_IRQ,
};

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