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 28static 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 52void __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 62 s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0); 63 s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1); 64 s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2); 65 s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3); 66 s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4); 67 68 s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs)); 69} 70