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bugfix: remove the workaround implemented in MR 22773 about the lp_timer

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This commit is contained in:
Lou Tianhao
2023-06-02 14:19:01 +08:00
parent 01fb28b65b
commit 117008143b
3 changed files with 8 additions and 36 deletions
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18
components/bootloader_support/src/bootloader_random.c
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@@ -8,7 +8,7 @@
#include "esp_cpu.h"
#include "soc/wdev_reg.h"
#if defined CONFIG_IDF_TARGET_ESP32C6
#if SOC_LP_TIMER_SUPPORTED
#include "hal/lp_timer_hal.h"
#endif
@@ -34,20 +34,6 @@
#define RNG_CPU_WAIT_CYCLE_NUM (80 * 23) /* 45 KHz reading frequency is the maximum we have tested so far on S3 */
#endif
#if defined CONFIG_IDF_TARGET_ESP32H2
// TODO: temporary definition until IDF-6270 is implemented
#include "soc/lp_timer_reg.h"
static inline uint32_t lp_timer_hal_get_cycle_count(void)
{
REG_SET_BIT(LP_TIMER_UPDATE_REG, LP_TIMER_MAIN_TIMER_UPDATE);
uint32_t lo = REG_GET_FIELD(LP_TIMER_MAIN_BUF0_LOW_REG, LP_TIMER_MAIN_TIMER_BUF0_LOW);
return lo;
}
#endif
__attribute__((weak)) void bootloader_fill_random(void *buffer, size_t length)
{
uint8_t *buffer_bytes = (uint8_t *)buffer;
@@ -57,7 +43,7 @@ static inline uint32_t lp_timer_hal_get_cycle_count(void)
assert(buffer != NULL);
for (size_t i = 0; i < length; i++) {
#if (defined CONFIG_IDF_TARGET_ESP32C6 || defined CONFIG_IDF_TARGET_ESP32H2)
#if SOC_LP_TIMER_SUPPORTED
random = REG_READ(WDEV_RND_REG);
start = esp_cpu_get_cycle_count();
do {