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authorJonathan Herman <hermanjl@cs.unc.edu>2013-01-17 16:15:55 -0500
committerJonathan Herman <hermanjl@cs.unc.edu>2013-01-17 16:15:55 -0500
commit8dea78da5cee153b8af9c07a2745f6c55057fe12 (patch)
treea8f4d49d63b1ecc92f2fddceba0655b2472c5bd9 /arch/sparc/include/asm/timer_32.h
parent406089d01562f1e2bf9f089fd7637009ebaad589 (diff)
Patched in Tegra support.
Diffstat (limited to 'arch/sparc/include/asm/timer_32.h')
-rw-r--r--arch/sparc/include/asm/timer_32.h34
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 */
30static inline unsigned int timer_value(unsigned int value)
31{
32 return (value + 1) << TIMER_VALUE_SHIFT;
33}
34 13
35extern __volatile__ unsigned int *master_l10_counter; 14extern __volatile__ unsigned int *master_l10_counter;
36 15
37extern irqreturn_t notrace timer_interrupt(int dummy, void *dev_id); 16/* FIXME: Make do_[gs]ettimeofday btfixup calls */
38 17BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv)
39#ifdef CONFIG_SMP 18#define bus_do_settimeofday(tv) BTFIXUP_CALL(bus_do_settimeofday)(tv)
40DECLARE_PER_CPU(struct clock_event_device, sparc32_clockevent);
41extern void register_percpu_ce(int cpu);
42#endif
43 19
44#endif /* !(_SPARC_TIMER_H) */ 20#endif /* !(_SPARC_TIMER_H) */