root/arch/sh/boards/board-secureedge5410.c

DEFINITIONS

1. eraseconfig_interrupt
2. eraseconfig_init
3. init_snapgear_IRQ

   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 
  25 unsigned short secureedge5410_ioport;
  26 
  27 /*
  28  * EraseConfig handling functions
  29  */
  30 static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
  31 {
  32         printk("SnapGear: erase switch interrupt!\n");
  33 
  34         return IRQ_HANDLED;
  35 }
  36 
  37 static 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 }
  52 device_initcall(eraseconfig_init);
  53 
  54 /*
  55  * Initialize IRQ setting
  56  *
  57  * IRL0 = erase switch
  58  * IRL1 = eth0
  59  * IRL2 = eth1
  60  * IRL3 = crypto
  61  */
  62 static 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  */
  72 static struct sh_machine_vector mv_snapgear __initmv = {
  73         .mv_name                = "SnapGear SecureEdge5410",
  74         .mv_init_irq            = init_snapgear_IRQ,
  75 };