[PATCH 11/14] bsp/stm32h7: configure oscillator for STM32H7B3xxQ (e.g. STM32H7B3I-DK BSP)

Karel Gardas karel at functional.vision
Fri Apr 1 16:14:18 UTC 2022


---
 bsps/arm/stm32h7/start/stm32h7-config-osc.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/bsps/arm/stm32h7/start/stm32h7-config-osc.c b/bsps/arm/stm32h7/start/stm32h7-config-osc.c
index b639c7ca36..f790201e5a 100644
--- a/bsps/arm/stm32h7/start/stm32h7-config-osc.c
+++ b/bsps/arm/stm32h7/start/stm32h7-config-osc.c
@@ -32,6 +32,22 @@
 #include <stm32h7/hal.h>
 
 const RCC_OscInitTypeDef stm32h7_config_oscillator = {
+#ifdef STM32H7B3xxQ
+  .OscillatorType = RCC_OSCILLATORTYPE_HSE,
+  .HSEState = RCC_HSE_ON,
+  .HSIState = RCC_HSI_OFF,
+  .CSIState = RCC_CSI_OFF,
+  .PLL.PLLState = RCC_PLL_ON,
+  .PLL.PLLSource = RCC_PLLSOURCE_HSE,
+  .PLL.PLLM = 12,
+  .PLL.PLLN = 280,
+  .PLL.PLLFRACN = 0,
+  .PLL.PLLP = 2,
+  .PLL.PLLR = 2,
+  .PLL.PLLQ = 2,
+  .PLL.PLLVCOSEL = RCC_PLL1VCOWIDE,
+  .PLL.PLLRGE = RCC_PLL1VCIRANGE_1,
+#else
   .OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSE
     | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_HSI48,
   .HSEState = RCC_HSE_ON,
@@ -49,4 +65,5 @@ const RCC_OscInitTypeDef stm32h7_config_oscillator = {
   .PLL.PLLRGE = RCC_PLL1VCIRANGE_2,
   .PLL.PLLVCOSEL = RCC_PLL1VCOWIDE,
   .PLL.PLLFRACN = 0
+#endif
 };
-- 
2.25.1



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