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| author | Michal Simek <monstr@monstr.eu> | 2007-09-24 00:21:19 +0200 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2007-09-24 00:21:19 +0200 |
| commit | 1c1100d2fcf46b9d11dcf78d6e5aea75e2e8b716 (patch) | |
| tree | 773dcc416d5026f97ca891b8598754e839086261 | |
| parent | 0731933ec8ec45d02ba89b52df673d526873cdde (diff) | |
| download | u-boot-imx-1c1100d2fcf46b9d11dcf78d6e5aea75e2e8b716.zip u-boot-imx-1c1100d2fcf46b9d11dcf78d6e5aea75e2e8b716.tar.gz u-boot-imx-1c1100d2fcf46b9d11dcf78d6e5aea75e2e8b716.tar.bz2 | |
[PATCH] Add support for design without interrupt controller
Polling timer
| -rw-r--r-- | cpu/microblaze/timer.c | 7 | ||||
| -rw-r--r-- | lib_microblaze/time.c | 8 |
2 files changed, 15 insertions, 0 deletions
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..b5d8f19 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 * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++); +} +#endif |