Desc: Support time without timer Signed-off-by: Michal Simek monstr@monstr.eu
diff --git a/cpu/microblaze/timer.c b/cpu/microblaze/timer.c index ab1cb12..b350453 100644 --- a/cpu/microblaze/timer.c +++ b/cpu/microblaze/timer.c @@ -33,10 +33,17 @@ void reset_timer (void) timestamp = 0; }
+#ifdef CFG_TIMER_0 ulong get_timer (ulong base) { return (timestamp - base); } +#else +ulong get_timer (ulong base) +{ + return (timestamp++ - base); +} +#endif
void set_timer (ulong t) { diff --git a/lib_microblaze/time.c b/lib_microblaze/time.c index 3fa1b11..0fef834 100644 --- a/lib_microblaze/time.c +++ b/lib_microblaze/time.c @@ -26,9 +26,17 @@
#include <common.h>
+#ifdef CFG_TIMER_0 void udelay (unsigned long usec) { int i; i = get_timer (0); while ((get_timer (0) - i) < (usec / 1000)) ; } +#else +void udelay (unsigned long usec) +{ + unsigned int i; + for (i = 0; i < (usec * XILINX_CLOCK_FREQ / 10000000); i++); +} +#endif