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arm, davinci: Use lldiv for the 64-bit divisions in timer.c

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Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Cc: Tom Rini <trini@ti.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Christian Riesch 2011-12-09 16:54:01 +01:00 committed by Wolfgang Denk
parent b9f31cc42c
commit e21b3dfb0a
1 changed files with 4 additions and 2 deletions
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6
arch/arm/cpu/arm926ejs/davinci/timer.c
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@ -40,6 +40,7 @@
#include <common.h> #include <common.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/arch/timer_defs.h> #include <asm/arch/timer_defs.h>
#include <div64.h>
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -86,14 +87,15 @@ ulong get_timer(ulong base)
timer_diff = get_ticks() - gd->timer_reset_value; timer_diff = get_ticks() - gd->timer_reset_value;
return (timer_diff / (gd->timer_rate_hz / CONFIG_SYS_HZ)) - base; return lldiv(timer_diff, (gd->timer_rate_hz / CONFIG_SYS_HZ)) - base;
} }
void __udelay(unsigned long usec) void __udelay(unsigned long usec)
{ {
unsigned long long endtime; unsigned long long endtime;
endtime = ((unsigned long long)usec * gd->timer_rate_hz) / 1000000UL; endtime = lldiv((unsigned long long)usec * gd->timer_rate_hz,
1000000UL);
endtime += get_ticks(); endtime += get_ticks();
while (get_ticks() < endtime) while (get_ticks() < endtime)