summaryrefslogtreecommitdiff
path: root/arch/m68k/lib/time.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/lib/time.c')
-rw-r--r--arch/m68k/lib/time.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/arch/m68k/lib/time.c b/arch/m68k/lib/time.c
index 8957d194d4..bde1f4c228 100644
--- a/arch/m68k/lib/time.c
+++ b/arch/m68k/lib/time.c
@@ -110,69 +110,6 @@ ulong get_timer(ulong base)
#endif /* CONFIG_MCFTMR */
-#if defined(CONFIG_MCFPIT)
-#if !defined(CONFIG_SYS_PIT_BASE)
-# error "CONFIG_SYS_PIT_BASE not defined!"
-#endif
-
-static unsigned short lastinc;
-
-void __udelay(unsigned long usec)
-{
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_UDELAY_BASE);
- uint tmp;
-
- while (usec > 0) {
- if (usec > 65000)
- tmp = 65000;
- else
- tmp = usec;
- usec = usec - tmp;
-
- /* Set up TIMER 3 as timebase clock */
- timerp->pcsr = PIT_PCSR_OVW;
- timerp->pmr = 0;
- /* set period to 1 us */
- timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
- timerp->pmr = tmp;
- while (timerp->pcntr > 0) ;
- }
-}
-
-void timer_init(void)
-{
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
- timestamp = 0;
-
- /* Set up TIMER 4 as poll clock */
- timerp->pcsr = PIT_PCSR_OVW;
- timerp->pmr = lastinc = 0;
- timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
- return 0;
-}
-
-ulong get_timer(ulong base)
-{
- unsigned short now, diff;
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
-
- now = timerp->pcntr;
- diff = -(now - lastinc);
-
- timestamp += diff;
- lastinc = now;
- return timestamp - base;
-}
-
-void wait_ticks(unsigned long ticks)
-{
- u32 start = get_timer(0);
- while (get_timer(start) < ticks) ;
-}
-#endif /* CONFIG_MCFPIT */
-
/*
* This function is derived from PowerPC code (read timebase as long long).
* On M68K it just returns the timer value.