diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-17 16:15:55 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-17 16:15:55 -0500 |
commit | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (patch) | |
tree | a8f4d49d63b1ecc92f2fddceba0655b2472c5bd9 /arch/sparc/include/asm/timer_32.h | |
parent | 406089d01562f1e2bf9f089fd7637009ebaad589 (diff) |
Patched in Tegra support.
Diffstat (limited to 'arch/sparc/include/asm/timer_32.h')
-rw-r--r-- | arch/sparc/include/asm/timer_32.h | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h index 72f40a546de..2ec030ef381 100644 --- a/arch/sparc/include/asm/timer_32.h +++ b/arch/sparc/include/asm/timer_32.h | |||
@@ -8,37 +8,13 @@ | |||
8 | #ifndef _SPARC_TIMER_H | 8 | #ifndef _SPARC_TIMER_H |
9 | #define _SPARC_TIMER_H | 9 | #define _SPARC_TIMER_H |
10 | 10 | ||
11 | #include <linux/clocksource.h> | 11 | #include <asm/system.h> /* For SUN4M_NCPUS */ |
12 | #include <linux/irqreturn.h> | 12 | #include <asm/btfixup.h> |
13 | |||
14 | #include <asm-generic/percpu.h> | ||
15 | |||
16 | #include <asm/cpu_type.h> /* For SUN4M_NCPUS */ | ||
17 | |||
18 | #define SBUS_CLOCK_RATE 2000000 /* 2MHz */ | ||
19 | #define TIMER_VALUE_SHIFT 9 | ||
20 | #define TIMER_VALUE_MASK 0x3fffff | ||
21 | #define TIMER_LIMIT_BIT (1 << 31) /* Bit 31 in Counter-Timer register */ | ||
22 | |||
23 | /* The counter timer register has the value offset by 9 bits. | ||
24 | * From sun4m manual: | ||
25 | * When a counter reaches the value in the corresponding limit register, | ||
26 | * the Limit bit is set and the counter is set to 500 nS (i.e. 0x00000200). | ||
27 | * | ||
28 | * To compensate for this add one to the value. | ||
29 | */ | ||
30 | static inline unsigned int timer_value(unsigned int value) | ||
31 | { | ||
32 | return (value + 1) << TIMER_VALUE_SHIFT; | ||
33 | } | ||
34 | 13 | ||
35 | extern __volatile__ unsigned int *master_l10_counter; | 14 | extern __volatile__ unsigned int *master_l10_counter; |
36 | 15 | ||
37 | extern irqreturn_t notrace timer_interrupt(int dummy, void *dev_id); | 16 | /* FIXME: Make do_[gs]ettimeofday btfixup calls */ |
38 | 17 | BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv) | |
39 | #ifdef CONFIG_SMP | 18 | #define bus_do_settimeofday(tv) BTFIXUP_CALL(bus_do_settimeofday)(tv) |
40 | DECLARE_PER_CPU(struct clock_event_device, sparc32_clockevent); | ||
41 | extern void register_percpu_ce(int cpu); | ||
42 | #endif | ||
43 | 19 | ||
44 | #endif /* !(_SPARC_TIMER_H) */ | 20 | #endif /* !(_SPARC_TIMER_H) */ |