diff options
Diffstat (limited to 'arch/arm/mach-tcc8k/irq.c')
-rw-r--r-- | arch/arm/mach-tcc8k/irq.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/arm/mach-tcc8k/irq.c b/arch/arm/mach-tcc8k/irq.c deleted file mode 100644 index 209fa5c65d4..00000000000 --- a/arch/arm/mach-tcc8k/irq.c +++ /dev/null | |||
@@ -1,111 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) Telechips, Inc. | ||
3 | * Copyright (C) 2009-2010 Hans J. Koch <hjk@linutronix.de> | ||
4 | * | ||
5 | * Licensed under the terms of the GNU GPL version 2. | ||
6 | */ | ||
7 | |||
8 | #include <linux/init.h> | ||
9 | #include <linux/interrupt.h> | ||
10 | #include <linux/io.h> | ||
11 | |||
12 | #include <asm/irq.h> | ||
13 | #include <asm/mach/irq.h> | ||
14 | |||
15 | #include <mach/tcc8k-regs.h> | ||
16 | #include <mach/irqs.h> | ||
17 | |||
18 | #include "common.h" | ||
19 | |||
20 | /* Disable IRQ */ | ||
21 | static void tcc8000_mask_ack_irq0(struct irq_data *d) | ||
22 | { | ||
23 | PIC0_IEN &= ~(1 << d->irq); | ||
24 | PIC0_CREQ |= (1 << d->irq); | ||
25 | } | ||
26 | |||
27 | static void tcc8000_mask_ack_irq1(struct irq_data *d) | ||
28 | { | ||
29 | PIC1_IEN &= ~(1 << (d->irq - 32)); | ||
30 | PIC1_CREQ |= (1 << (d->irq - 32)); | ||
31 | } | ||
32 | |||
33 | static void tcc8000_mask_irq0(struct irq_data *d) | ||
34 | { | ||
35 | PIC0_IEN &= ~(1 << d->irq); | ||
36 | } | ||
37 | |||
38 | static void tcc8000_mask_irq1(struct irq_data *d) | ||
39 | { | ||
40 | PIC1_IEN &= ~(1 << (d->irq - 32)); | ||
41 | } | ||
42 | |||
43 | static void tcc8000_ack_irq0(struct irq_data *d) | ||
44 | { | ||
45 | PIC0_CREQ |= (1 << d->irq); | ||
46 | } | ||
47 | |||
48 | static void tcc8000_ack_irq1(struct irq_data *d) | ||
49 | { | ||
50 | PIC1_CREQ |= (1 << (d->irq - 32)); | ||
51 | } | ||
52 | |||
53 | /* Enable IRQ */ | ||
54 | static void tcc8000_unmask_irq0(struct irq_data *d) | ||
55 | { | ||
56 | PIC0_IEN |= (1 << d->irq); | ||
57 | PIC0_INTOEN |= (1 << d->irq); | ||
58 | } | ||
59 | |||
60 | static void tcc8000_unmask_irq1(struct irq_data *d) | ||
61 | { | ||
62 | PIC1_IEN |= (1 << (d->irq - 32)); | ||
63 | PIC1_INTOEN |= (1 << (d->irq - 32)); | ||
64 | } | ||
65 | |||
66 | static struct irq_chip tcc8000_irq_chip0 = { | ||
67 | .name = "tcc_irq0", | ||
68 | .irq_mask = tcc8000_mask_irq0, | ||
69 | .irq_ack = tcc8000_ack_irq0, | ||
70 | .irq_mask_ack = tcc8000_mask_ack_irq0, | ||
71 | .irq_unmask = tcc8000_unmask_irq0, | ||
72 | }; | ||
73 | |||
74 | static struct irq_chip tcc8000_irq_chip1 = { | ||
75 | .name = "tcc_irq1", | ||
76 | .irq_mask = tcc8000_mask_irq1, | ||
77 | .irq_ack = tcc8000_ack_irq1, | ||
78 | .irq_mask_ack = tcc8000_mask_ack_irq1, | ||
79 | .irq_unmask = tcc8000_unmask_irq1, | ||
80 | }; | ||
81 | |||
82 | void __init tcc8k_init_irq(void) | ||
83 | { | ||
84 | int irqno; | ||
85 | |||
86 | /* Mask and clear all interrupts */ | ||
87 | PIC0_IEN = 0x00000000; | ||
88 | PIC0_CREQ = 0xffffffff; | ||
89 | PIC1_IEN = 0x00000000; | ||
90 | PIC1_CREQ = 0xffffffff; | ||
91 | |||
92 | PIC0_MEN0 = 0x00000003; | ||
93 | PIC1_MEN1 = 0x00000003; | ||
94 | PIC1_MEN = 0x00000003; | ||
95 | |||
96 | /* let all IRQs be level triggered */ | ||
97 | PIC0_TMODE = 0xffffffff; | ||
98 | PIC1_TMODE = 0xffffffff; | ||
99 | /* all IRQs are IRQs (not FIQs) */ | ||
100 | PIC0_IRQSEL = 0xffffffff; | ||
101 | PIC1_IRQSEL = 0xffffffff; | ||
102 | |||
103 | for (irqno = 0; irqno < NR_IRQS; irqno++) { | ||
104 | if (irqno < 32) | ||
105 | irq_set_chip(irqno, &tcc8000_irq_chip0); | ||
106 | else | ||
107 | irq_set_chip(irqno, &tcc8000_irq_chip1); | ||
108 | irq_set_handler(irqno, handle_level_irq); | ||
109 | set_irq_flags(irqno, IRQF_VALID); | ||
110 | } | ||
111 | } | ||