diff options
Diffstat (limited to 'lib_ppc/time.c')
| -rw-r--r-- | lib_ppc/time.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib_ppc/time.c b/lib_ppc/time.c index 51e8e8406..2649d5ffd 100644 --- a/lib_ppc/time.c +++ b/lib_ppc/time.c @@ -23,6 +23,9 @@ #include <common.h> +#ifndef CONFIG_WD_PERIOD +# define CONFIG_WD_PERIOD (10 * 1000 * 1000) /* 10 seconds default*/ +#endif /* ------------------------------------------------------------------------- */ @@ -53,9 +56,14 @@ unsigned long usec2ticks(unsigned long usec) */ void udelay(unsigned long usec) { - ulong ticks = usec2ticks (usec); + ulong ticks, kv; - wait_ticks (ticks); + do { + kv = usec > CONFIG_WD_PERIOD ? CONFIG_WD_PERIOD : usec; + ticks = usec2ticks (kv); + wait_ticks (ticks); + usec -= kv; + } while(usec); } /* ------------------------------------------------------------------------- */ |