diff options
Diffstat (limited to 'arch/arm/mach-epxa10db/time.c')
-rw-r--r-- | arch/arm/mach-epxa10db/time.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/arch/arm/mach-epxa10db/time.c b/arch/arm/mach-epxa10db/time.c deleted file mode 100644 index 4b1084dde8dd..000000000000 --- a/arch/arm/mach-epxa10db/time.c +++ /dev/null | |||
@@ -1,78 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-epxa10db/time.c | ||
3 | * | ||
4 | * Copyright (C) 2000 Deep Blue Solutions | ||
5 | * Copyright (C) 2001 Altera Corporation | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/interrupt.h> | ||
14 | #include <linux/sched.h> | ||
15 | |||
16 | #include <asm/hardware.h> | ||
17 | #include <asm/system.h> | ||
18 | #include <asm/leds.h> | ||
19 | |||
20 | #include <asm/mach/time.h> | ||
21 | |||
22 | #define TIMER00_TYPE (volatile unsigned int*) | ||
23 | #include <asm/arch/timer00.h> | ||
24 | |||
25 | static int epxa10db_set_rtc(void) | ||
26 | { | ||
27 | return 1; | ||
28 | } | ||
29 | |||
30 | static int epxa10db_rtc_init(void) | ||
31 | { | ||
32 | set_rtc = epxa10db_set_rtc; | ||
33 | |||
34 | return 0; | ||
35 | } | ||
36 | |||
37 | __initcall(epxa10db_rtc_init); | ||
38 | |||
39 | |||
40 | /* | ||
41 | * IRQ handler for the timer | ||
42 | */ | ||
43 | static irqreturn_t | ||
44 | epxa10db_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) | ||
45 | { | ||
46 | write_seqlock(&xtime_lock); | ||
47 | |||
48 | // ...clear the interrupt | ||
49 | *TIMER0_CR(IO_ADDRESS(EXC_TIMER00_BASE))|=TIMER0_CR_CI_MSK; | ||
50 | |||
51 | timer_tick(regs); | ||
52 | write_sequnlock(&xtime_lock); | ||
53 | |||
54 | return IRQ_HANDLED; | ||
55 | } | ||
56 | |||
57 | static struct irqaction epxa10db_timer_irq = { | ||
58 | .name = "Excalibur Timer Tick", | ||
59 | .flags = SA_INTERRUPT | SA_TIMER, | ||
60 | .handler = epxa10db_timer_interrupt, | ||
61 | }; | ||
62 | |||
63 | /* | ||
64 | * Set up timer interrupt, and return the current time in seconds. | ||
65 | */ | ||
66 | static void __init epxa10db_timer_init(void) | ||
67 | { | ||
68 | /* Start the timer */ | ||
69 | *TIMER0_LIMIT(IO_ADDRESS(EXC_TIMER00_BASE))=(unsigned int)(EXC_AHB2_CLK_FREQUENCY/200); | ||
70 | *TIMER0_PRESCALE(IO_ADDRESS(EXC_TIMER00_BASE))=1; | ||
71 | *TIMER0_CR(IO_ADDRESS(EXC_TIMER00_BASE))=TIMER0_CR_IE_MSK | TIMER0_CR_S_MSK; | ||
72 | |||
73 | setup_irq(IRQ_TIMER0, &epxa10db_timer_irq); | ||
74 | } | ||
75 | |||
76 | struct sys_timer epxa10db_timer = { | ||
77 | .init = epxa10db_timer_init, | ||
78 | }; | ||