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 | * linux/arch/sh/boards/snapgear/setup.c |
| 3 | * |
| 4 | * Copyright (C) 2002 David McCullough <davidm@snapgear.com> |
| 5 | * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> |
| 6 | * |
| 7 | * Based on files with the following comments: |
| 8 | * |
| 9 | * Copyright (C) 2000 Kazumoto Kojima |
| 10 | * |
| 11 | * Modified for 7751 Solution Engine by |
| 12 | * Ian da Silva and Jeremy Siegel, 2001. |
| 13 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include <linux/init.h> |
| 15 | #include <linux/irq.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/timer.h> |
| 18 | #include <linux/delay.h> |
| 19 | #include <linux/module.h> |
| 20 | #include <linux/sched.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include <asm/machvec.h> |
Paul Mundt | 373e68b | 2006-09-27 15:41:24 +0900 | [diff] [blame] | 22 | #include <asm/snapgear.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <asm/irq.h> |
| 24 | #include <asm/io.h> |
Paul Mundt | 373e68b | 2006-09-27 15:41:24 +0900 | [diff] [blame] | 25 | #include <asm/rtc.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <asm/cpu/timer.h> |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | extern void secureedge5410_rtc_init(void); |
| 29 | extern void pcibios_init(void); |
| 30 | |
| 31 | /****************************************************************************/ |
| 32 | /* |
| 33 | * EraseConfig handling functions |
| 34 | */ |
| 35 | |
Paul Mundt | 35f3c51 | 2006-10-06 15:31:16 +0900 | [diff] [blame] | 36 | static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | { |
| 38 | volatile char dummy __attribute__((unused)) = * (volatile char *) 0xb8000000; |
| 39 | |
| 40 | printk("SnapGear: erase switch interrupt!\n"); |
| 41 | |
| 42 | return IRQ_HANDLED; |
| 43 | } |
| 44 | |
| 45 | static int __init eraseconfig_init(void) |
| 46 | { |
| 47 | printk("SnapGear: EraseConfig init\n"); |
| 48 | /* Setup "EraseConfig" switch on external IRQ 0 */ |
Thomas Gleixner | 6d20819 | 2006-07-01 19:29:25 -0700 | [diff] [blame] | 49 | if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | "Erase Config", NULL)) |
| 51 | printk("SnapGear: failed to register IRQ%d for Reset witch\n", |
| 52 | IRL0_IRQ); |
| 53 | else |
| 54 | printk("SnapGear: registered EraseConfig switch on IRQ%d\n", |
| 55 | IRL0_IRQ); |
| 56 | return(0); |
| 57 | } |
| 58 | |
| 59 | module_init(eraseconfig_init); |
| 60 | |
| 61 | /****************************************************************************/ |
| 62 | /* |
| 63 | * Initialize IRQ setting |
| 64 | * |
| 65 | * IRL0 = erase switch |
| 66 | * IRL1 = eth0 |
| 67 | * IRL2 = eth1 |
| 68 | * IRL3 = crypto |
| 69 | */ |
| 70 | |
| 71 | static void __init init_snapgear_IRQ(void) |
| 72 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | printk("Setup SnapGear IRQ/IPR ...\n"); |
Magnus Damm | d59645d | 2007-08-03 14:23:35 +0900 | [diff] [blame] | 74 | /* enable individual interrupt mode for externals */ |
| 75 | plat_irq_setup_pins(IRQ_MODE_IRQ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | } |
| 77 | |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 78 | /* |
| 79 | * Initialize the board |
| 80 | */ |
| 81 | static void __init snapgear_setup(char **cmdline_p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | { |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 83 | board_time_init = secureedge5410_rtc_init; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | /* |
| 87 | * The Machine Vector |
| 88 | */ |
Paul Mundt | 82f81f4 | 2007-05-15 15:19:34 +0900 | [diff] [blame] | 89 | static struct sh_machine_vector mv_snapgear __initmv = { |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 90 | .mv_name = "SnapGear SecureEdge5410", |
| 91 | .mv_setup = snapgear_setup, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | .mv_nr_irqs = 72, |
| 93 | |
| 94 | .mv_inb = snapgear_inb, |
| 95 | .mv_inw = snapgear_inw, |
| 96 | .mv_inl = snapgear_inl, |
| 97 | .mv_outb = snapgear_outb, |
| 98 | .mv_outw = snapgear_outw, |
| 99 | .mv_outl = snapgear_outl, |
| 100 | |
| 101 | .mv_inb_p = snapgear_inb_p, |
| 102 | .mv_inw_p = snapgear_inw, |
| 103 | .mv_inl_p = snapgear_inl, |
| 104 | .mv_outb_p = snapgear_outb_p, |
| 105 | .mv_outw_p = snapgear_outw, |
| 106 | .mv_outl_p = snapgear_outl, |
| 107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | .mv_init_irq = init_snapgear_IRQ, |
| 109 | }; |