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/module.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, IRQF_DISABLED, 45 "Erase Config", NULL)) 46 printk("SnapGear: failed to register IRQ%d for Reset witch\n", 47 irq); 48 else 49 printk("SnapGear: registered EraseConfig switch on IRQ%d\n", 50 irq); 51 return 0; 52 } 53 module_init(eraseconfig_init); 54 55 /* 56 * Initialize IRQ setting 57 * 58 * IRL0 = erase switch 59 * IRL1 = eth0 60 * IRL2 = eth1 61 * IRL3 = crypto 62 */ 63 static void __init init_snapgear_IRQ(void) 64 { 65 printk("Setup SnapGear IRQ/IPR ...\n"); 66 /* enable individual interrupt mode for externals */ 67 plat_irq_setup_pins(IRQ_MODE_IRQ); 68 } 69 70 /* 71 * The Machine Vector 72 */ 73 static struct sh_machine_vector mv_snapgear __initmv = { 74 .mv_name = "SnapGear SecureEdge5410", 75 .mv_nr_irqs = 72, 76 .mv_init_irq = init_snapgear_IRQ, 77 }; 78