| Paul Mundt | 373e68b | 2006-09-27 15:41:24 +0900 | [diff] [blame] | 1 | /* | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <asm/machvec.h> | 
| Paul Mundt | f6eec8d | 2010-10-29 19:06:53 +0900 | [diff] [blame] | 20 | #include <mach/secureedge5410.h> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include <asm/irq.h> | 
|  | 22 | #include <asm/io.h> | 
| Paul Mundt | f15cbe6 | 2008-07-29 08:09:44 +0900 | [diff] [blame] | 23 | #include <cpu/timer.h> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 |  | 
| Paul Mundt | 39c1198 | 2010-10-29 18:59:58 +0900 | [diff] [blame] | 25 | unsigned short secureedge5410_ioport; | 
|  | 26 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | /* | 
|  | 28 | * EraseConfig handling functions | 
|  | 29 | */ | 
| Paul Mundt | 35f3c51 | 2006-10-06 15:31:16 +0900 | [diff] [blame] | 30 | static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | printk("SnapGear: erase switch interrupt!\n"); | 
|  | 33 |  | 
|  | 34 | return IRQ_HANDLED; | 
|  | 35 | } | 
|  | 36 |  | 
|  | 37 | static int __init eraseconfig_init(void) | 
|  | 38 | { | 
| Paul Mundt | 39c1198 | 2010-10-29 18:59:58 +0900 | [diff] [blame] | 39 | unsigned int irq = evt2irq(0x240); | 
|  | 40 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | printk("SnapGear: EraseConfig init\n"); | 
| Paul Mundt | 39c1198 | 2010-10-29 18:59:58 +0900 | [diff] [blame] | 42 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | /* Setup "EraseConfig" switch on external IRQ 0 */ | 
| Yong Zhang | d11584a | 2011-10-22 17:56:28 +0800 | [diff] [blame] | 44 | if (request_irq(irq, eraseconfig_interrupt, 0, "Erase Config", NULL)) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | printk("SnapGear: failed to register IRQ%d for Reset witch\n", | 
| Paul Mundt | 39c1198 | 2010-10-29 18:59:58 +0900 | [diff] [blame] | 46 | irq); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | else | 
|  | 48 | printk("SnapGear: registered EraseConfig switch on IRQ%d\n", | 
| Paul Mundt | 39c1198 | 2010-10-29 18:59:58 +0900 | [diff] [blame] | 49 | irq); | 
|  | 50 | return 0; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | } | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | module_init(eraseconfig_init); | 
|  | 53 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | /* | 
|  | 55 | * Initialize IRQ setting | 
|  | 56 | * | 
|  | 57 | * IRL0 = erase switch | 
|  | 58 | * IRL1 = eth0 | 
|  | 59 | * IRL2 = eth1 | 
|  | 60 | * IRL3 = crypto | 
|  | 61 | */ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | static void __init init_snapgear_IRQ(void) | 
|  | 63 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | printk("Setup SnapGear IRQ/IPR ...\n"); | 
| Magnus Damm | d59645d | 2007-08-03 14:23:35 +0900 | [diff] [blame] | 65 | /* enable individual interrupt mode for externals */ | 
|  | 66 | plat_irq_setup_pins(IRQ_MODE_IRQ); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | } | 
|  | 68 |  | 
| Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 69 | /* | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | * The Machine Vector | 
|  | 71 | */ | 
| Paul Mundt | 82f81f4 | 2007-05-15 15:19:34 +0900 | [diff] [blame] | 72 | static struct sh_machine_vector mv_snapgear __initmv = { | 
| Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 73 | .mv_name		= "SnapGear SecureEdge5410", | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | .mv_nr_irqs		= 72, | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | .mv_init_irq		= init_snapgear_IRQ, | 
|  | 76 | }; |