diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-powerpc/time.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h index 99bfe3281768..410e795f7d43 100644 --- a/include/asm-powerpc/time.h +++ b/include/asm-powerpc/time.h | |||
@@ -30,7 +30,8 @@ extern unsigned long tb_ticks_per_usec; | |||
30 | extern unsigned long tb_ticks_per_sec; | 30 | extern unsigned long tb_ticks_per_sec; |
31 | extern u64 tb_to_xs; | 31 | extern u64 tb_to_xs; |
32 | extern unsigned tb_to_us; | 32 | extern unsigned tb_to_us; |
33 | extern u64 tb_last_stamp; | 33 | extern unsigned long tb_last_stamp; |
34 | extern u64 tb_last_jiffy; | ||
34 | 35 | ||
35 | DECLARE_PER_CPU(unsigned long, last_jiffy); | 36 | DECLARE_PER_CPU(unsigned long, last_jiffy); |
36 | 37 | ||
@@ -113,6 +114,17 @@ static inline unsigned int get_rtcl(void) | |||
113 | return rtcl; | 114 | return rtcl; |
114 | } | 115 | } |
115 | 116 | ||
117 | static inline u64 get_rtc(void) | ||
118 | { | ||
119 | unsigned int hi, lo, hi2; | ||
120 | |||
121 | do { | ||
122 | asm volatile("mfrtcu %0; mfrtcl %1; mfrtcu %2" | ||
123 | : "=r" (hi), "=r" (lo), "=r" (hi2)); | ||
124 | } while (hi2 != hi); | ||
125 | return (u64)hi * 1000000000 + lo; | ||
126 | } | ||
127 | |||
116 | #ifdef CONFIG_PPC64 | 128 | #ifdef CONFIG_PPC64 |
117 | static inline u64 get_tb(void) | 129 | static inline u64 get_tb(void) |
118 | { | 130 | { |