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author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
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committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
tree | 6135abc790ca67dedbe07c39806591e70eda81ce /arch/arm/mach-s3c64xx/irq.c | |
download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip |
initial_commit
Diffstat (limited to 'arch/arm/mach-s3c64xx/irq.c')
-rw-r--r-- | arch/arm/mach-s3c64xx/irq.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/irq.c b/arch/arm/mach-s3c64xx/irq.c new file mode 100644 index 00000000..97660c81 --- /dev/null +++ b/arch/arm/mach-s3c64xx/irq.c @@ -0,0 +1,64 @@ +/* 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(5, IRQ_TIMER0); + + s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs)); +} |