diff options
Diffstat (limited to 'arch/arm/mach-lh7a40x/irq-lh7a400.c')
-rw-r--r-- | arch/arm/mach-lh7a40x/irq-lh7a400.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/arch/arm/mach-lh7a40x/irq-lh7a400.c b/arch/arm/mach-lh7a40x/irq-lh7a400.c deleted file mode 100644 index f2e7e655ca35..000000000000 --- a/arch/arm/mach-lh7a40x/irq-lh7a400.c +++ /dev/null | |||
@@ -1,91 +0,0 @@ | |||
1 | /* arch/arm/mach-lh7a40x/irq-lh7a400.c | ||
2 | * | ||
3 | * Copyright (C) 2004 Coastal Environmental Systems | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * version 2 as published by the Free Software Foundation. | ||
8 | * | ||
9 | */ | ||
10 | |||
11 | #include <linux/init.h> | ||
12 | #include <linux/module.h> | ||
13 | #include <linux/interrupt.h> | ||
14 | |||
15 | #include <mach/hardware.h> | ||
16 | #include <asm/irq.h> | ||
17 | #include <asm/mach/irq.h> | ||
18 | #include <mach/irqs.h> | ||
19 | |||
20 | #include "common.h" | ||
21 | |||
22 | /* CPU IRQ handling */ | ||
23 | |||
24 | static void lh7a400_mask_irq(struct irq_data *d) | ||
25 | { | ||
26 | INTC_INTENC = (1 << d->irq); | ||
27 | } | ||
28 | |||
29 | static void lh7a400_unmask_irq(struct irq_data *d) | ||
30 | { | ||
31 | INTC_INTENS = (1 << d->irq); | ||
32 | } | ||
33 | |||
34 | static void lh7a400_ack_gpio_irq(struct irq_data *d) | ||
35 | { | ||
36 | GPIO_GPIOFEOI = (1 << IRQ_TO_GPIO (d->irq)); | ||
37 | INTC_INTENC = (1 << d->irq); | ||
38 | } | ||
39 | |||
40 | static struct irq_chip lh7a400_internal_chip = { | ||
41 | .name = "MPU", | ||
42 | .irq_ack = lh7a400_mask_irq, /* Level triggering -> mask is ack */ | ||
43 | .irq_mask = lh7a400_mask_irq, | ||
44 | .irq_unmask = lh7a400_unmask_irq, | ||
45 | }; | ||
46 | |||
47 | static struct irq_chip lh7a400_gpio_chip = { | ||
48 | .name = "GPIO", | ||
49 | .irq_ack = lh7a400_ack_gpio_irq, | ||
50 | .irq_mask = lh7a400_mask_irq, | ||
51 | .irq_unmask = lh7a400_unmask_irq, | ||
52 | }; | ||
53 | |||
54 | |||
55 | /* IRQ initialization */ | ||
56 | |||
57 | void __init lh7a400_init_irq (void) | ||
58 | { | ||
59 | int irq; | ||
60 | |||
61 | INTC_INTENC = 0xffffffff; /* Disable all interrupts */ | ||
62 | GPIO_GPIOFINTEN = 0x00; /* Disable all GPIOF interrupts */ | ||
63 | barrier (); | ||
64 | |||
65 | for (irq = 0; irq < NR_IRQS; ++irq) { | ||
66 | switch (irq) { | ||
67 | case IRQ_GPIO0INTR: | ||
68 | case IRQ_GPIO1INTR: | ||
69 | case IRQ_GPIO2INTR: | ||
70 | case IRQ_GPIO3INTR: | ||
71 | case IRQ_GPIO4INTR: | ||
72 | case IRQ_GPIO5INTR: | ||
73 | case IRQ_GPIO6INTR: | ||
74 | case IRQ_GPIO7INTR: | ||
75 | set_irq_chip (irq, &lh7a400_gpio_chip); | ||
76 | set_irq_handler (irq, handle_level_irq); /* OK default */ | ||
77 | break; | ||
78 | default: | ||
79 | set_irq_chip (irq, &lh7a400_internal_chip); | ||
80 | set_irq_handler (irq, handle_level_irq); | ||
81 | } | ||
82 | set_irq_flags (irq, IRQF_VALID); | ||
83 | } | ||
84 | |||
85 | lh7a40x_init_board_irq (); | ||
86 | |||
87 | /* *** FIXME: the LH7a400 does use FIQ interrupts in some cases. For | ||
88 | the time being, these are not initialized. */ | ||
89 | |||
90 | /* init_FIQ(); */ | ||
91 | } | ||