---
bsps/arm/stm32h7/start/stm32h7-config-per.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/bsps/arm/stm32h7/start/stm32h7-config-per.c
b/bsps/arm/stm32h7/start/stm32h7-config-per.c
index 79aa1494dd..ce6370d3d0 100644
--- a/bsps/arm/stm32h7/start/stm32h7-config-per.c
+++ b/bsps/arm/stm32h7/start/stm32h7-config-per.c
@@ -32,6 +32,22 @@
#include <stm32h7/hal.h>
const RCC_PeriphCLKInitTypeDef stm32h7_config_peripheral_clocks = {
+#ifdef STM32H7B3xxQ
+ /* for stm32h7b3i-dk BSP we provide only minimalistic peripheral
+ configuration just to make available U(S)ARTs working */
+ .PeriphClockSelection = RCC_PERIPHCLK_USART3
+ | RCC_PERIPHCLK_USART1,
+ .PLL2.PLL2M = 24,
+ .PLL2.PLL2N = 200,
+ .PLL2.PLL2P = 0,
+ .PLL2.PLL2Q = 2,
+ .PLL2.PLL2R = 0,
+ .PLL2.PLL2RGE = RCC_PLL2VCIRANGE_2,
+ .PLL2.PLL2VCOSEL = RCC_PLL2VCOMEDIUM,
+ .PLL2.PLL2FRACN = 0,
+ .Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1,
+ .Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2,
+#else
.PeriphClockSelection = RCC_PERIPHCLK_RTC | RCC_PERIPHCLK_USART3
| RCC_PERIPHCLK_FDCAN | RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_I2C1
| RCC_PERIPHCLK_USB | RCC_PERIPHCLK_FMC | RCC_PERIPHCLK_RNG,
@@ -59,4 +75,5 @@ const RCC_PeriphCLKInitTypeDef
stm32h7_config_peripheral_clocks = {
.UsbClockSelection = RCC_USBCLKSOURCE_PLL3,
.RTCClockSelection = RCC_RTCCLKSOURCE_LSE,
.RngClockSelection = RCC_RNGCLKSOURCE_HSI48
+#endif
};
--
2.25.1
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