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esp_timer: initial support on esp32-s3

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This commit is contained in:
morris
2020-08-14 11:36:58 +08:00
parent 75a372a9f0
commit cc66334014
5 changed files with 53 additions and 32 deletions
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1
components/esp32s3/ld/esp32s3.peripherals.ld
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@@ -21,6 +21,7 @@ PROVIDE ( LEDC = 0x60019000 );
PROVIDE ( MCP = 0x600c3000 );
PROVIDE ( TIMERG0 = 0x6001F000 );
PROVIDE ( TIMERG1 = 0x60020000 );
PROVIDE ( SYS_TIMER = 0x60023000 );
PROVIDE ( GPSPI2 = 0x60024000 );
PROVIDE ( GPSPI3 = 0x60025000 );
PROVIDE ( SYSCON = 0x60026000 );

2
components/esp_timer/src/ets_timer_legacy.c
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@@ -34,6 +34,8 @@
#include "esp32/rom/ets_sys.h" // for ETSTimer type
#elif CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/rom/ets_sys.h"
#elif CONFIG_IDF_TARGET_ESP32S3
#include "esp32s3/rom/ets_sys.h"
#endif
/* We abuse 'timer_arg' field of ETSTimer structure to hold a pointer to esp_timer */

2
components/esp_timer/test/test_ets_timer.c
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@@ -11,6 +11,8 @@
#include "esp32/rom/ets_sys.h" // for ETSTimer type
#elif CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/rom/ets_sys.h"
#elif CONFIG_IDF_TARGET_ESP32S3
#include "esp32s3/rom/ets_sys.h"
#endif
TEST_CASE("ets_timer produces correct delay", "[ets_timer]")

73
components/hal/esp32s3/include/hal/systimer_ll.h
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@@ -37,15 +37,13 @@ __attribute__((always_inline)) static inline void systimer_ll_enable_counter(uin
REG_SET_BIT(SYS_TIMER_SYSTIMER_CONF_REG, 1 << (30 - counter_id));
}
__attribute__((always_inline)) static inline void systimer_ll_apply_counter_value(uint32_t counter_id)
__attribute__((always_inline)) static inline void systimer_ll_counter_can_stall_by_cpu(uint32_t counter_id, uint32_t cpu_id, bool can)
{
REG_SET_BIT(SYS_TIMER_SYSTIMER_UNIT0_OP_REG + 4 * counter_id, 1 << 31);
}
__attribute__((always_inline)) static inline void systimer_ll_load_counter_value(uint32_t counter_id, uint64_t value)
{
REG_WRITE(SYS_TIMER_SYSTIMER_UNIT0_LOAD_LO_REG + 8 * counter_id, value & 0xFFFFFFFF);
REG_WRITE(SYS_TIMER_SYSTIMER_UNIT0_LOAD_HI_REG, value >> 32);
if (can) {
REG_SET_BIT(SYS_TIMER_SYSTIMER_CONF_REG, 1 << ((28 - counter_id * 2) - cpu_id));
} else {
REG_CLR_BIT(SYS_TIMER_SYSTIMER_CONF_REG, 1 << ((28 - counter_id * 2) - cpu_id));
}
}
__attribute__((always_inline)) static inline void systimer_ll_counter_snapshot(uint32_t counter_id)
@@ -58,6 +56,12 @@ __attribute__((always_inline)) static inline bool systimer_ll_is_counter_value_v
return REG_GET_BIT(SYS_TIMER_SYSTIMER_UNIT0_OP_REG + 4 * counter_id, 1 << 29);
}
__attribute__((always_inline)) static inline void systimer_ll_set_counter_value(uint32_t counter_id, uint64_t value)
{
REG_WRITE(SYS_TIMER_SYSTIMER_UNIT0_LOAD_LO_REG + 8 * counter_id, value & 0xFFFFFFFF);
REG_WRITE(SYS_TIMER_SYSTIMER_UNIT0_LOAD_HI_REG, (value >> 32) & 0xFFFFF);
}
__attribute__((always_inline)) static inline uint32_t systimer_ll_get_counter_value_low(uint32_t counter_id)
{
return REG_READ(SYS_TIMER_SYSTIMER_UNIT0_VALUE_LO_REG + 8 * counter_id);
@@ -68,13 +72,17 @@ __attribute__((always_inline)) static inline uint32_t systimer_ll_get_counter_va
return REG_READ(SYS_TIMER_SYSTIMER_UNIT0_VALUE_HI_REG + 8 * counter_id);
}
__attribute__((always_inline)) static inline void systimer_ll_apply_counter_value(uint32_t counter_id)
{
REG_SET_BIT(SYS_TIMER_SYSTIMER_UNIT0_LOAD_REG + 4 * counter_id, SYS_TIMER_TIMER_UNIT0_LOAD);
}
/*******************alarm*************************/
__attribute__((always_inline)) static inline void systimer_ll_set_alarm_value(uint32_t alarm_id, uint64_t value)
{
REG_WRITE(SYS_TIMER_SYSTIMER_TARGET0_LO_REG + alarm_id * 8, value & 0xFFFFFFFF);
REG_WRITE(SYS_TIMER_SYSTIMER_TARGET0_HI_REG + alarm_id * 8, value >> 32);
REG_WRITE(SYS_TIMER_SYSTIMER_COMP0_LOAD_REG + alarm_id * 4, SYS_TIMER_TIMER_COMP0_LOAD);
REG_WRITE(SYS_TIMER_SYSTIMER_TARGET0_HI_REG + alarm_id * 8, (value >> 32) & 0xFFFFF);
}
__attribute__((always_inline)) static inline uint64_t systimer_ll_get_alarm_value(uint32_t alarm_id)
@@ -83,6 +91,31 @@ __attribute__((always_inline)) static inline uint64_t systimer_ll_get_alarm_valu
| REG_READ(SYS_TIMER_SYSTIMER_TARGET0_LO_REG + alarm_id * 8);
}
__attribute__((always_inline)) static inline void systimer_ll_connect_alarm_counter(uint32_t alarm_id, uint32_t counter_id)
{
REG_SET_FIELD(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + 4 * alarm_id, SYS_TIMER_TARGET0_TIMER_UNIT_SEL, counter_id);
}
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_oneshot(uint32_t alarm_id)
{
REG_CLR_BIT(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, SYS_TIMER_TARGET0_PERIOD_MODE);
}
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_period(uint32_t alarm_id)
{
REG_SET_BIT(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, SYS_TIMER_TARGET0_PERIOD_MODE);
}
__attribute__((always_inline)) static inline void systimer_ll_set_alarm_period(uint32_t alarm_id, uint32_t period)
{
REG_SET_FIELD(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, SYS_TIMER_TARGET0_PERIOD, period);
}
__attribute__((always_inline)) static inline void systimer_ll_apply_alarm_value(uint32_t alarm_id)
{
REG_SET_BIT(SYS_TIMER_SYSTIMER_COMP0_LOAD_REG + alarm_id * 4, SYS_TIMER_TIMER_COMP0_LOAD);
}
__attribute__((always_inline)) static inline void systimer_ll_disable_alarm(uint32_t alarm_id)
{
REG_CLR_BIT(SYS_TIMER_SYSTIMER_CONF_REG, 1 << (24 - alarm_id));
@@ -93,26 +126,6 @@ __attribute__((always_inline)) static inline void systimer_ll_enable_alarm(uint3
REG_SET_BIT(SYS_TIMER_SYSTIMER_CONF_REG, 1 << (24 - alarm_id));
}
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_oneshot(uint32_t alarm_id)
{
REG_CLR_BIT(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, SYS_TIMER_TARGET0_PERIOD_MODE_M);
}
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_period(uint32_t alarm_id)
{
REG_SET_BIT(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, SYS_TIMER_TARGET0_PERIOD_MODE_M);
}
__attribute__((always_inline)) static inline void systimer_ll_set_alarm_period(uint32_t alarm_id, uint32_t period)
{
REG_SET_FIELD(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, SYS_TIMER_TARGET0_PERIOD, period);
}
__attribute__((always_inline)) static inline void systimer_ll_connect_alarm_counter(uint32_t alarm_id, uint32_t counter_id)
{
REG_SET_FIELD(SYS_TIMER_SYSTIMER_TARGET0_CONF_REG + 4 * alarm_id, SYS_TIMER_TARGET0_TIMER_UNIT_SEL, counter_id);
}
/*******************interrupt*************************/
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_int(uint32_t alarm_id)

7
components/hal/esp32s3/systimer_hal.c
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@@ -17,8 +17,9 @@
#include "hal/systimer_ll.h"
#include "hal/systimer_types.h"
#include "soc/systimer_caps.h"
#include "hal/clk_gate_ll.h"
#define SYSTIMER_TICKS_PER_US (16) // Number of timer ticks per microsecond
#define SYSTIMER_TICKS_PER_US (16) // Systimer clock source is fixed to 16MHz
uint64_t systimer_hal_get_counter_value(systimer_counter_id_t counter_id)
{
@@ -56,6 +57,7 @@ void systimer_hal_set_alarm_value(systimer_alarm_id_t alarm_id, uint64_t timesta
systimer_counter_value_t alarm = { .val = timestamp * SYSTIMER_TICKS_PER_US};
systimer_ll_disable_alarm(alarm_id);
systimer_ll_set_alarm_value(alarm_id, alarm.val);
systimer_ll_apply_alarm_value(alarm_id);
systimer_ll_enable_alarm(alarm_id);
}
@@ -78,7 +80,7 @@ void systimer_hal_on_apb_freq_update(uint32_t apb_ticks_per_us)
void systimer_hal_counter_value_advance(systimer_counter_id_t counter_id, int64_t time_us)
{
systimer_counter_value_t new_count = { .val = systimer_hal_get_counter_value(counter_id) + time_us * SYSTIMER_TICKS_PER_US };
systimer_ll_load_counter_value(counter_id, new_count.val);
systimer_ll_set_counter_value(counter_id, new_count.val);
systimer_ll_apply_counter_value(counter_id);
}
@@ -89,6 +91,7 @@ void systimer_hal_enable_counter(systimer_counter_id_t counter_id)
void systimer_hal_init(void)
{
periph_ll_enable_clk_clear_rst(PERIPH_SYSTIMER_MODULE);
systimer_ll_enable_clock();
}