Commit 5a2f1098d81ad58b309e5e558d0492643166a799
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a476ca2ac2
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[PATCH] Support time without timer
Showing 2 changed files with 15 additions and 0 deletions Side-by-side Diff
cpu/microblaze/timer.c
| ... | ... | @@ -33,10 +33,17 @@ |
| 33 | 33 | timestamp = 0; |
| 34 | 34 | } |
| 35 | 35 | |
| 36 | +#ifdef CFG_TIMER_0 | |
| 36 | 37 | ulong get_timer (ulong base) |
| 37 | 38 | { |
| 38 | 39 | return (timestamp - base); |
| 39 | 40 | } |
| 41 | +#else | |
| 42 | +ulong get_timer (ulong base) | |
| 43 | +{ | |
| 44 | + return (timestamp++ - base); | |
| 45 | +} | |
| 46 | +#endif | |
| 40 | 47 | |
| 41 | 48 | void set_timer (ulong t) |
| 42 | 49 | { |
lib_microblaze/time.c
| ... | ... | @@ -26,10 +26,18 @@ |
| 26 | 26 | |
| 27 | 27 | #include <common.h> |
| 28 | 28 | |
| 29 | +#ifdef CFG_TIMER_0 | |
| 29 | 30 | void udelay (unsigned long usec) |
| 30 | 31 | { |
| 31 | 32 | int i; |
| 32 | 33 | i = get_timer (0); |
| 33 | 34 | while ((get_timer (0) - i) < (usec / 1000)) ; |
| 34 | 35 | } |
| 36 | +#else | |
| 37 | +void udelay (unsigned long usec) | |
| 38 | +{ | |
| 39 | + unsigned int i; | |
| 40 | + for (i = 0; i < (usec * XILINX_CLOCK_FREQ / 10000000); i++); | |
| 41 | +} | |
| 42 | +#endif |