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[ARM] S3C: Add TICK_MAX for timer code

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Add TICK_MAX definition for the timer code
as the S3C64XX series have 32bit capable
PWM timers.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks
2008-10-21 14:07:01 +01:00
parent 4b31d8b225
commit c652d2ddb9
2 changed files with 8 additions and 2 deletions
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8
arch/arm/plat-s3c/time.c
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@@ -44,6 +44,10 @@
static unsigned long timer_startval;
static unsigned long timer_usec_ticks;
#ifndef TICK_MAX
#define TICK_MAX (0xffff)
#endif
#define TIMER_USEC_SHIFT 16
/* we use the shifted arithmetic to work out the ratio of timer ticks
@@ -156,7 +160,7 @@ static void s3c2410_timer_setup (void)
unsigned long tcfg1;
unsigned long tcfg0;
tcnt = 0xffff; /* default value for tcnt */
tcnt = TICK_MAX; /* default value for tcnt */
/* read the current timer configuration bits */
@@ -217,7 +221,7 @@ static void s3c2410_timer_setup (void)
tcon, tcnt, tcfg0, tcfg1, timer_usec_ticks);
/* check to see if timer is within 16bit range... */
if (tcnt > 0xffff) {
if (tcnt > TICK_MAX) {
panic("setup_timer: HZ is too small, cannot configure timer!");
return;
}