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-rw-r--r--include/asm-ppc/time.h161
1 files changed, 0 insertions, 161 deletions
diff --git a/include/asm-ppc/time.h b/include/asm-ppc/time.h
deleted file mode 100644
index 81dbcd43a50..00000000000
--- a/include/asm-ppc/time.h
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Common time prototypes and such for all ppc machines.
- *
- * Written by Cort Dougan (cort@fsmlabs.com) to merge
- * Paul Mackerras' version and mine for PReP and Pmac.
- */
-
-#ifdef __KERNEL__
-#ifndef __ASM_TIME_H__
-#define __ASM_TIME_H__
-
-#include <linux/types.h>
-#include <linux/rtc.h>
-#include <linux/threads.h>
-
-#include <asm/reg.h>
-
-/* time.c */
-extern unsigned tb_ticks_per_jiffy;
-extern unsigned tb_to_us;
-extern unsigned tb_last_stamp;
-extern unsigned long disarm_decr[NR_CPUS];
-
-extern void to_tm(int tim, struct rtc_time * tm);
-extern time_t last_rtc_update;
-
-extern void set_dec_cpu6(unsigned int val);
-
-int via_calibrate_decr(void);
-
-/* Accessor functions for the decrementer register.
- * The 4xx doesn't even have a decrementer. I tried to use the
- * generic timer interrupt code, which seems OK, with the 4xx PIT
- * in auto-reload mode. The problem is PIT stops counting when it
- * hits zero. If it would wrap, we could use it just like a decrementer.
- */
-static __inline__ unsigned int get_dec(void)
-{
-#if defined(CONFIG_40x)
- return (mfspr(SPRN_PIT));
-#else
- return (mfspr(SPRN_DEC));
-#endif
-}
-
-static __inline__ void set_dec(unsigned int val)
-{
-#if defined(CONFIG_40x)
- return; /* Have to let it auto-reload */
-#elif defined(CONFIG_8xx_CPU6)
- set_dec_cpu6(val);
-#else
- mtspr(SPRN_DEC, val);
-#endif
-}
-
-/* Accessor functions for the timebase (RTC on 601) registers. */
-/* If one day CONFIG_POWER is added just define __USE_RTC as 1 */
-#ifdef CONFIG_6xx
-extern __inline__ int __pure __USE_RTC(void) {
- return (mfspr(SPRN_PVR)>>16) == 1;
-}
-#else
-#define __USE_RTC() 0
-#endif
-
-extern __inline__ unsigned long get_tbl(void) {
- unsigned long tbl;
-#if defined(CONFIG_403GCX)
- asm volatile("mfspr %0, 0x3dd" : "=r" (tbl));
-#else
- asm volatile("mftb %0" : "=r" (tbl));
-#endif
- return tbl;
-}
-
-extern __inline__ unsigned long get_tbu(void) {
- unsigned long tbl;
-#if defined(CONFIG_403GCX)
- asm volatile("mfspr %0, 0x3dc" : "=r" (tbl));
-#else
- asm volatile("mftbu %0" : "=r" (tbl));
-#endif
- return tbl;
-}
-
-extern __inline__ void set_tb(unsigned int upper, unsigned int lower)
-{
- mtspr(SPRN_TBWL, 0);
- mtspr(SPRN_TBWU, upper);
- mtspr(SPRN_TBWL, lower);
-}
-
-extern __inline__ unsigned long get_rtcl(void) {
- unsigned long rtcl;
- asm volatile("mfrtcl %0" : "=r" (rtcl));
- return rtcl;
-}
-
-extern __inline__ unsigned long get_rtcu(void)
-{
- unsigned long rtcu;
- asm volatile("mfrtcu %0" : "=r" (rtcu));
- return rtcu;
-}
-
-extern __inline__ unsigned get_native_tbl(void) {
- if (__USE_RTC())
- return get_rtcl();
- else
- return get_tbl();
-}
-
-/* On machines with RTC, this function can only be used safely
- * after the timestamp and for 1 second. It is only used by gettimeofday
- * however so it should not matter.
- */
-extern __inline__ unsigned tb_ticks_since(unsigned tstamp) {
- if (__USE_RTC()) {
- int delta = get_rtcl() - tstamp;
- return delta<0 ? delta + 1000000000 : delta;
- } else {
- return get_tbl() - tstamp;
- }
-}
-
-#if 0
-extern __inline__ unsigned long get_bin_rtcl(void) {
- unsigned long rtcl, rtcu1, rtcu2;
- asm volatile("\
-1: mfrtcu %0\n\
- mfrtcl %1\n\
- mfrtcu %2\n\
- cmpw %0,%2\n\
- bne- 1b\n"
- : "=r" (rtcu1), "=r" (rtcl), "=r" (rtcu2)
- : : "cr0");
- return rtcu2*1000000000+rtcl;
-}
-
-extern __inline__ unsigned binary_tbl(void) {
- if (__USE_RTC())
- return get_bin_rtcl();
- else
- return get_tbl();
-}
-#endif
-
-/* Use mulhwu to scale processor timebase to timeval */
-/* Specifically, this computes (x * y) / 2^32. -- paulus */
-#define mulhwu(x,y) \
-({unsigned z; asm ("mulhwu %0,%1,%2" : "=r" (z) : "r" (x), "r" (y)); z;})
-
-unsigned mulhwu_scale_factor(unsigned, unsigned);
-
-#define account_process_vtime(tsk) do { } while (0)
-#define calculate_steal_time() do { } while (0)
-#define snapshot_timebases() do { } while (0)
-
-#endif /* __ASM_TIME_H__ */
-#endif /* __KERNEL__ */