diff options
author | Ben Dooks <ben-linux@fluff.org> | 2010-01-26 11:07:23 +0900 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2010-02-20 22:32:00 +0000 |
commit | ed618aff8a952f712caf1d475e0947a32a8b6606 (patch) | |
tree | d106f5b5c24e42c6498c3a8a7340ba74ba62a4a3 /arch/arm/mach-s3c64xx/irq.c | |
parent | 3501c9ae9fc5414d09c9a8d3a5452d2b167db916 (diff) |
ARM: S3C64XX: Move IRQ support into mach-s3c64xx
Move IRQ support to mach-s3c64xx as it is unlikely to be re-used outside
this machine.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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 @@ +/* arch/arm/plat-s3c64xx/irq.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - Interrupt handling + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/serial_core.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <asm/hardware/vic.h> + +#include <mach/map.h> +#include <plat/irq-vic-timer.h> +#include <plat/irq-uart.h> +#include <plat/cpu.h> + +static struct s3c_uart_irq uart_irqs[] = { + [0] = { + .regs = S3C_VA_UART0, + .base_irq = IRQ_S3CUART_BASE0, + .parent_irq = IRQ_UART0, + }, + [1] = { + .regs = S3C_VA_UART1, + .base_irq = IRQ_S3CUART_BASE1, + .parent_irq = IRQ_UART1, + }, + [2] = { + .regs = S3C_VA_UART2, + .base_irq = IRQ_S3CUART_BASE2, + .parent_irq = IRQ_UART2, + }, + [3] = { + .regs = S3C_VA_UART3, + .base_irq = IRQ_S3CUART_BASE3, + .parent_irq = IRQ_UART3, + }, +}; + + +void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid) +{ + printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); + + /* initialise the pair of VICs */ + vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, 0); + vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, 0); + + /* add the timer sub-irqs */ + + s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0); + s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1); + s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2); + s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3); + s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4); + + s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs)); +} |