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sedi: hpet: keep waiting if main counter value is invalid #45

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merged 1 commit into from
Jun 12, 2024
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sedi: hpet: keep waiting if main counter value is invalid #45

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2 changes: 2 additions & 0 deletions bsp_sedi/drivers/hpet/sedi_hpet.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ SEDI_REG_DEFINE(HPET, MCV, 0x0f0, RW, (uint64_t)-1, (uint64_t)0x0);
SEDI_RBFM(HPET, HPET_CTRL_STS, HPET_CTRL_STS8))
#define CTRL_STS_TIMER1_COMPARATOR SEDI_RBFM(HPET, HPET_CTRL_STS, HPET_CTRL_STS9)
#define CTRL_STS_TIMER2_COMPARATOR SEDI_RBFM(HPET, HPET_CTRL_STS, HPET_CTRL_STS10)
#define CTRL_STS_MAIN_COUNTER_VALUE_INVALID SEDI_RBFM(HPET, HPET_CTRL_STS, HPET_CTRL_STS13)

/*Macro for interrupt routing*/
#define TIMER2_INT_ROUTE (0x0b)
Expand Down Expand Up @@ -157,6 +158,7 @@ uint64_t sedi_hpet_get_main_counter(void)
uint32_t highBits;
uint32_t lowBits;

wait_for_idle(CTRL_STS_MAIN_COUNTER_VALUE_INVALID);
do {
highBits = SEDI_REG_GET(HPET, MCV_HIGH);
lowBits = SEDI_REG_GET(HPET, MCV_LOW);
Expand Down