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bsps/arm: MP core timer setting off by one

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This commit is contained in:
Chris Johns
2022-06-14 11:29:41 +10:00
parent acc32a8e5c
commit cb52e37464
1 changed files with 1 additions and 1 deletions
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bsps/arm/shared/clock/clock-a9mpcore.c
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@@ -129,7 +129,7 @@ static void a9mpcore_clock_initialize(void)
volatile a9mpcore_gt *gt = A9MPCORE_GT; volatile a9mpcore_gt *gt = A9MPCORE_GT;
uint64_t periphclk = a9mpcore_clock_periphclk(); uint64_t periphclk = a9mpcore_clock_periphclk();
uint64_t us_per_tick = rtems_configuration_get_microseconds_per_tick(); uint64_t us_per_tick = rtems_configuration_get_microseconds_per_tick();
uint32_t interval = (uint32_t) ((periphclk * us_per_tick) / 1000000); uint32_t interval = (uint32_t) ((periphclk * us_per_tick) / 1000000) - 1;
uint64_t cmpval; uint64_t cmpval;
gt->ctrl &= A9MPCORE_GT_CTRL_TMR_EN; gt->ctrl &= A9MPCORE_GT_CTRL_TMR_EN;