projects / linux-2.6-block.git / blame
| Commit | Line | Data |
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| c9b870e7 BM |
1 | /* arch/arm/plat-s5pc1xx/irq.c |
| 2 | * | |
| 3 | * Copyright 2009 Samsung Electronics Co. | |
| 4 | * Byungho Min <bhmin@samsung.com> | |
| 5 | * | |
| 6 | * S5PC1XX - Interrupt handling | |
| 7 | * | |
| 8 | * Based on plat-s3c64xx/irq.c | |
| 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/irq.h> | |
| 18 | #include <linux/io.h> | |
| 19 | ||
| 20 | #include <asm/hardware/vic.h> | |
| 21 | ||
| 22 | #include <mach/map.h> | |
| 47101ec7 | 23 | #include <plat/irq-vic-timer.h> |
| be97162d | 24 | #include <plat/irq-uart.h> |
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25 | #include <plat/cpu.h> |
| 26 | ||
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27 | /* Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3] |
| 28 | * are consecutive when looking up the interrupt in the demux routines. | |
| 29 | */ | |
| be97162d | 30 | static struct s3c_uart_irq uart_irqs[] = { |
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31 | [0] = { |
| 32 | .regs = (void *)S3C_VA_UART0, | |
| 33 | .base_irq = IRQ_S3CUART_BASE0, | |
| 34 | .parent_irq = IRQ_UART0, | |
| 35 | }, | |
| 36 | [1] = { | |
| 37 | .regs = (void *)S3C_VA_UART1, | |
| 38 | .base_irq = IRQ_S3CUART_BASE1, | |
| 39 | .parent_irq = IRQ_UART1, | |
| 40 | }, | |
| 41 | [2] = { | |
| 42 | .regs = (void *)S3C_VA_UART2, | |
| 43 | .base_irq = IRQ_S3CUART_BASE2, | |
| 44 | .parent_irq = IRQ_UART2, | |
| 45 | }, | |
| 46 | [3] = { | |
| 47 | .regs = (void *)S3C_VA_UART3, | |
| 48 | .base_irq = IRQ_S3CUART_BASE3, | |
| 49 | .parent_irq = IRQ_UART3, | |
| 50 | }, | |
| 51 | }; | |
| 52 | ||
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53 | void __init s5pc1xx_init_irq(u32 *vic_valid, int num) |
| 54 | { | |
| 55 | int i; | |
| c9b870e7 BM |
56 | |
| 57 | printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); | |
| 58 | ||
| 59 | /* initialise the pair of VICs */ | |
| 60 | for (i = 0; i < num; i++) | |
| 61 | vic_init((void *)S5PC1XX_VA_VIC(i), S3C_IRQ(i * S3C_IRQ_OFFSET), | |
| 62 | vic_valid[i], 0); | |
| 63 | ||
| 64 | /* add the timer sub-irqs */ | |
| 65 | ||
| 47101ec7 BD |
66 | s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0); |
| 67 | s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1); | |
| 68 | s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2); | |
| 69 | s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3); | |
| 70 | s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4); | |
| c9b870e7 | 71 | |
| be97162d | 72 | s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs)); |
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73 | } |
| 74 | ||
| 75 |