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bsp/leon3: Add LEON3_HAS_ASR_22_23_UP_COUNTER

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This commit is contained in:
Sebastian Huber
2021-07-16 11:32:37 +02:00
parent 3f1186fd07
commit de278269ac
5 changed files with 37 additions and 0 deletions
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6
bsps/sparc/leon3/clock/ckinit.c
View File

@@ -230,6 +230,7 @@ static void leon3_clock_use_irqamp_timestamp(
}
#endif
#if !defined(LEON3_HAS_ASR_22_23_UP_COUNTER)
static void leon3_clock_use_gptimer(
struct timecounter *tc,
gptimer_timer *timer
@@ -262,6 +263,7 @@ static void leon3_clock_use_gptimer(
rtems_timecounter_install(tc);
}
#endif
static void leon3_clock_initialize(void)
{
@@ -288,6 +290,9 @@ static void leon3_clock_initialize(void)
leon3_up_counter_enable();
#if defined(LEON3_HAS_ASR_22_23_UP_COUNTER)
leon3_clock_use_up_counter(tc);
#else /* LEON3_HAS_ASR_22_23_UP_COUNTER */
if (leon3_up_counter_is_available()) {
/* Use the LEON4 up-counter if available */
leon3_clock_use_up_counter(tc);
@@ -305,6 +310,7 @@ static void leon3_clock_initialize(void)
#endif
leon3_clock_use_gptimer(tc, timer);
#endif /* LEON3_HAS_ASR_22_23_UP_COUNTER */
}
#define Clock_driver_support_initialize_hardware() \

2
bsps/sparc/leon3/include/bsp/leon3.h
View File

@@ -263,6 +263,7 @@ static inline void leon3_up_counter_enable( void )
);
}
#if !defined(LEON3_HAS_ASR_22_23_UP_COUNTER)
/**
* @brief Checks if the LEON up-counter is available.
*
@@ -274,6 +275,7 @@ static inline bool leon3_up_counter_is_available( void )
{
return leon3_up_counter_low() != leon3_up_counter_low();
}
#endif
/**
* @brief Gets the LEON up-counter frequency in Hz.

8
bsps/sparc/leon3/start/cpucounter.c
View File

@@ -68,6 +68,7 @@ static void leon3_counter_use_irqamp_timestamp(
}
#endif
#if !defined(LEON3_HAS_ASR_22_23_UP_COUNTER)
static void leon3_counter_use_gptimer(SPARC_Counter *counter, gptimer *gpt)
{
gptimer_timer *timer;
@@ -88,19 +89,25 @@ static void leon3_counter_use_gptimer(SPARC_Counter *counter, gptimer *gpt)
(grlib_load_32(&gpt->sreload) + 1);
#endif
}
#endif
static void leon3_counter_initialize(void)
{
#if defined(LEON3_IRQAMP_PROBE_TIMESTAMP)
irqamp_timestamp *irqmp_ts;
#endif
#if !defined(LEON3_HAS_ASR_22_23_UP_COUNTER)
gptimer *gpt;
#endif
SPARC_Counter *counter;
counter = &_SPARC_Counter_mutable;
leon3_up_counter_enable();
#if defined(LEON3_HAS_ASR_22_23_UP_COUNTER)
leon3_counter_use_up_counter(counter);
#else /* LEON3_HAS_ASR_22_23_UP_COUNTER */
if (leon3_up_counter_is_available()) {
/* Use the LEON4 up-counter if available */
leon3_counter_use_up_counter(counter);
@@ -123,6 +130,7 @@ static void leon3_counter_initialize(void)
/* Fall back to the first GPTIMER if available */
leon3_counter_use_gptimer(counter, gpt);
}
#endif /* LEON3_HAS_ASR_22_23_UP_COUNTER */
}
RTEMS_SYSINIT_ITEM(