Merge branch 'devel-genirq' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind...
[pandora-kernel.git] / arch / arm / mach-s3c64xx / irq.c
1 /* arch/arm/plat-s3c64xx/irq.c
2  *
3  * Copyright 2008 Openmoko, Inc.
4  * Copyright 2008 Simtec Electronics
5  *      Ben Dooks <ben@simtec.co.uk>
6  *      http://armlinux.simtec.co.uk/
7  *
8  * S3C64XX - Interrupt handling
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14
15 #include <linux/kernel.h>
16 #include <linux/interrupt.h>
17 #include <linux/serial_core.h>
18 #include <linux/irq.h>
19 #include <linux/io.h>
20
21 #include <asm/hardware/vic.h>
22
23 #include <mach/map.h>
24 #include <plat/irq-vic-timer.h>
25 #include <plat/irq-uart.h>
26 #include <plat/cpu.h>
27
28 static struct s3c_uart_irq uart_irqs[] = {
29         [0] = {
30                 .regs           = S3C_VA_UART0,
31                 .base_irq       = IRQ_S3CUART_BASE0,
32                 .parent_irq     = IRQ_UART0,
33         },
34         [1] = {
35                 .regs           = S3C_VA_UART1,
36                 .base_irq       = IRQ_S3CUART_BASE1,
37                 .parent_irq     = IRQ_UART1,
38         },
39         [2] = {
40                 .regs           = S3C_VA_UART2,
41                 .base_irq       = IRQ_S3CUART_BASE2,
42                 .parent_irq     = IRQ_UART2,
43         },
44         [3] = {
45                 .regs           = S3C_VA_UART3,
46                 .base_irq       = IRQ_S3CUART_BASE3,
47                 .parent_irq     = IRQ_UART3,
48         },
49 };
50
51
52 void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
53 {
54         printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
55
56         /* initialise the pair of VICs */
57         vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, 0);
58         vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, 0);
59
60         /* add the timer sub-irqs */
61         s3c_init_vic_timer_irq(5, IRQ_TIMER0);
62
63         s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
64 }