diff options
Diffstat (limited to 'arch/h8300/kernel/timer/timer8.c')
-rw-r--r-- | arch/h8300/kernel/timer/timer8.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/h8300/kernel/timer/timer8.c b/arch/h8300/kernel/timer/timer8.c deleted file mode 100644 index 505f3415b40f..000000000000 --- a/arch/h8300/kernel/timer/timer8.c +++ /dev/null | |||
@@ -1,102 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/h8300/kernel/cpu/timer/timer8.c | ||
3 | * | ||
4 | * Yoshinori Sato <ysato@users.sourcefoge.jp> | ||
5 | * | ||
6 | * 8bit Timer Handler | ||
7 | * | ||
8 | */ | ||
9 | |||
10 | #include <linux/errno.h> | ||
11 | #include <linux/sched.h> | ||
12 | #include <linux/kernel.h> | ||
13 | #include <linux/param.h> | ||
14 | #include <linux/string.h> | ||
15 | #include <linux/mm.h> | ||
16 | #include <linux/interrupt.h> | ||
17 | #include <linux/init.h> | ||
18 | #include <linux/profile.h> | ||
19 | |||
20 | #include <asm/io.h> | ||
21 | #include <asm/irq.h> | ||
22 | #include <asm/timer.h> | ||
23 | #if defined(CONFIG_CPU_H8300H) | ||
24 | #include <asm/regs306x.h> | ||
25 | #endif | ||
26 | #if defined(CONFIG_CPU_H8S) | ||
27 | #include <asm/regs267x.h> | ||
28 | #endif | ||
29 | |||
30 | /* 8bit timer x2 */ | ||
31 | #define CMFA 6 | ||
32 | |||
33 | #if defined(CONFIG_H8300_TIMER8_CH0) | ||
34 | #define _8BASE _8TCR0 | ||
35 | #ifdef CONFIG_CPU_H8300H | ||
36 | #define _8IRQ 36 | ||
37 | #endif | ||
38 | #ifdef CONFIG_CPU_H8S | ||
39 | #define _8IRQ 72 | ||
40 | #endif | ||
41 | #elif defined(CONFIG_H8300_TIMER8_CH2) | ||
42 | #ifdef CONFIG_CPU_H8300H | ||
43 | #define _8BASE _8TCR2 | ||
44 | #define _8IRQ 40 | ||
45 | #endif | ||
46 | #endif | ||
47 | |||
48 | #ifndef _8BASE | ||
49 | #error Unknown timer channel. | ||
50 | #endif | ||
51 | |||
52 | #define _8TCR 0 | ||
53 | #define _8TCSR 2 | ||
54 | #define TCORA 4 | ||
55 | #define TCORB 6 | ||
56 | #define _8TCNT 8 | ||
57 | |||
58 | #define CMIEA 0x40 | ||
59 | #define CCLR_CMA 0x08 | ||
60 | #define CKS2 0x04 | ||
61 | |||
62 | /* | ||
63 | * timer_interrupt() needs to keep up the real-time clock, | ||
64 | * as well as call the "xtime_update()" routine every clocktick | ||
65 | */ | ||
66 | |||
67 | static irqreturn_t timer_interrupt(int irq, void *dev_id) | ||
68 | { | ||
69 | h8300_timer_tick(); | ||
70 | ctrl_bclr(CMFA, _8BASE + _8TCSR); | ||
71 | return IRQ_HANDLED; | ||
72 | } | ||
73 | |||
74 | static struct irqaction timer8_irq = { | ||
75 | .name = "timer-8", | ||
76 | .handler = timer_interrupt, | ||
77 | .flags = IRQF_DISABLED | IRQF_TIMER, | ||
78 | }; | ||
79 | |||
80 | static const int __initconst divide_rate[] = {8, 64, 8192}; | ||
81 | |||
82 | void __init h8300_timer_setup(void) | ||
83 | { | ||
84 | unsigned int div; | ||
85 | unsigned int cnt; | ||
86 | |||
87 | calc_param(cnt, div, divide_rate, 0x10000); | ||
88 | div++; | ||
89 | |||
90 | setup_irq(_8IRQ, &timer8_irq); | ||
91 | |||
92 | #if defined(CONFIG_CPU_H8S) | ||
93 | /* Timer module enable */ | ||
94 | ctrl_bclr(0, MSTPCRL) | ||
95 | #endif | ||
96 | |||
97 | /* initialize timer */ | ||
98 | ctrl_outw(cnt, _8BASE + TCORA); | ||
99 | ctrl_outw(0x0000, _8BASE + _8TCSR); | ||
100 | ctrl_outw((CMIEA|CCLR_CMA|CKS2) << 8 | div, | ||
101 | _8BASE + _8TCR); | ||
102 | } | ||