From 1c1100d2fcf46b9d11dcf78d6e5aea75e2e8b716 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 24 Sep 2007 00:21:19 +0200 Subject: [PATCH] Add support for design without interrupt controller Polling timer --- cpu/microblaze/timer.c | 7 +++++++ lib_microblaze/time.c | 8 ++++++++ 2 files changed, 15 insertions(+) diff --git a/cpu/microblaze/timer.c b/cpu/microblaze/timer.c index ab1cb1274..b35045344 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 3fa1b1126..b5d8f1937 100644 --- a/lib_microblaze/time.c +++ b/lib_microblaze/time.c @@ -26,9 +26,17 @@ #include +#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 * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++); +} +#endif -- cgit v1.2.3