diff options
| -rw-r--r-- | os/hal/ports/STM32/STM32L4xx+/hal_lld.c | 7 | ||||
| -rw-r--r-- | os/hal/ports/STM32/STM32L4xx+/hal_lld.h | 17 |
2 files changed, 21 insertions, 3 deletions
diff --git a/os/hal/ports/STM32/STM32L4xx+/hal_lld.c b/os/hal/ports/STM32/STM32L4xx+/hal_lld.c index a144142bb..fa843f86d 100644 --- a/os/hal/ports/STM32/STM32L4xx+/hal_lld.c +++ b/os/hal/ports/STM32/STM32L4xx+/hal_lld.c @@ -15,8 +15,8 @@ */
/**
- * @file STM32L4xx/hal_lld.c
- * @brief STM32L4xx HAL subsystem low level driver source.
+ * @file STM32L4xx+/hal_lld.c
+ * @brief STM32L4xx+ HAL subsystem low level driver source.
*
* @addtogroup HAL
* @{
@@ -187,6 +187,9 @@ void stm32_clock_init(void) { while ((PWR->SR2 & PWR_SR2_VOSF) != 0) /* Wait until regulator is */
; /* stable. */
+ /* Boost mode setting.*/
+ PWR->CR5 = STM32_R1MODE;
+
#if STM32_HSI16_ENABLED
/* HSI activation.*/
RCC->CR |= RCC_CR_HSION;
diff --git a/os/hal/ports/STM32/STM32L4xx+/hal_lld.h b/os/hal/ports/STM32/STM32L4xx+/hal_lld.h index 8032c161b..45b1c5855 100644 --- a/os/hal/ports/STM32/STM32L4xx+/hal_lld.h +++ b/os/hal/ports/STM32/STM32L4xx+/hal_lld.h @@ -879,11 +879,16 @@ * @{
*/
/**
- * @brief Maximum SYSCLK clock frequency at current voltage setting.
+ * @brief Maximum SYSCLK clock frequency in boost mode.
*/
#define STM32_SYSCLK_MAX 120000000
/**
+ * @brief Maximum SYSCLK clock frequency in normal mode.
+ */
+#define STM32_SYSCLK_NOBOOST_MAX 80000000
+
+/**
* @brief Maximum HSE clock frequency at current voltage setting.
*/
#define STM32_HSECLK_MAX 48000000
@@ -1003,6 +1008,7 @@ #elif STM32_VOS == STM32_VOS_RANGE2
#define STM32_SYSCLK_MAX 26000000
+#define STM32_SYSCLK_NOBOOST_MAX 26000000
#define STM32_HSECLK_MAX 26000000
#define STM32_HSECLK_BYP_MAX 26000000
#define STM32_HSECLK_MIN 8000000
@@ -2221,6 +2227,15 @@ #endif
/**
+ * @brief Voltage boost settings.
+ */
+#if (STM32_SYSCLK <= STM32_SYSCLK_NOBOOST_MAX) || defined(__DOXYGEN__)
+#define STM32_R1MODE PWR_R1MODE
+#else
+#define STM32_R1MODE 0
+#endif
+
+/**
* @brief Flash settings.
*/
#if (STM32_HCLK <= STM32_0WS_THRESHOLD) || defined(__DOXYGEN__)
|