| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 | }; |