diff options
Diffstat (limited to 'arch/arm/mach-s3c64xx/irq.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/irq.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/irq.c b/arch/arm/mach-s3c64xx/irq.c new file mode 100644 index 000000000000..67a145d440f3 --- /dev/null +++ b/arch/arm/mach-s3c64xx/irq.c | |||
| @@ -0,0 +1,69 @@ | |||
| 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 | |||
| 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 | } | ||
