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 }; 76