arch/sh/boards/board-secureedge5410.c

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