2 files changed, 14 insertions, 5 deletions
diff --git a/os/hal/ports/STM32/STM32F4xx/hal_lld.h b/os/hal/ports/STM32/STM32F4xx/hal_lld.h
index 1456029e2..4b05135e1 100644
--- a/os/hal/ports/STM32/STM32F4xx/hal_lld.h
+++ b/os/hal/ports/STM32/STM32F4xx/hal_lld.h
@@ -221,8 +221,8 @@
 #else /* STM32_HAS_RCC_DCKCFGR && (STM32_TIMPRE == STM32_TIMPRE_HCLK) */
 #if (STM32_PPRE1 == STM32_PPRE1_DIV1) ||                                    \
     (STM32_PPRE1 == STM32_PPRE1_DIV2) ||                                    \
-    (STM32_PPRE1 == STM32_PPRE1_DIV4) ||                                    \
-    defined(__DOXYGEN__)
+    ((STM32_PPRE1 == STM32_PPRE1_DIV4) &&                                   \
+     (STM32_TIMPRE_PRESCALE4 == TRUE)) || defined(__DOXYGEN__)
 #define STM32_TIMCLK1               STM32_HCLK
 #else
 #define STM32_TIMCLK1               (STM32_PCLK1 * 4)
@@ -230,8 +230,8 @@
 
 #if (STM32_PPRE2 == STM32_PPRE2_DIV1) ||                                    \
     (STM32_PPRE2 == STM32_PPRE2_DIV2) ||                                    \
-    (STM32_PPRE2 == STM32_PPRE2_DIV4) ||                                    \
-    defined(__DOXYGEN__)
+    ((STM32_PPRE2 == STM32_PPRE2_DIV4) &&                                   \
+     (STM32_TIMPRE_PRESCALE4 == TRUE)) || defined(__DOXYGEN__)
 #define STM32_TIMCLK2               STM32_HCLK
 #else
 #define STM32_TIMCLK2               (STM32_PCLK2 * 4)
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
index fe7ce9bb9..97dab1f85 100644
--- a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
@@ -92,12 +92,13 @@
 /* Clock tree attributes.*/
 #define STM32_HAS_RCC_PLLSAI                TRUE
 #define STM32_HAS_RCC_PLLI2S                TRUE
-#define STM32_HAS_RCC_DCKCFGR               TRU§E
+#define STM32_HAS_RCC_DCKCFGR               TRUE
 #define STM32_HAS_RCC_DCKCFGR2              FALSE
 #define STM32_HAS_RCC_I2SSRC                TRUE
 #define STM32_HAS_RCC_I2SPLLSRC             FALSE
 #define STM32_HAS_RCC_CK48MSEL              TRUE
 #define STM32_RCC_CK48MSEL_USES_I2S         FALSE
+#define STM32_TIMPRE_PRESCALE4              FALSE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -479,6 +480,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             FALSE
 #define STM32_HAS_RCC_CK48MSEL              TRUE
 #define STM32_RCC_CK48MSEL_USES_I2S         FALSE
+#define STM32_TIMPRE_PRESCALE4              FALSE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -837,6 +839,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             FALSE
 #define STM32_HAS_RCC_CK48MSEL              FALSE
 #define STM32_RCC_CK48MSEL_USES_I2S         FALSE
+#define STM32_TIMPRE_PRESCALE4              FALSE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -1214,6 +1217,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             TRUE
 #define STM32_HAS_RCC_CK48MSEL              TRUE
 #define STM32_RCC_CK48MSEL_USES_I2S         TRUE
+#define STM32_TIMPRE_PRESCALE4              TRUE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -1603,6 +1607,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             TRUE
 #define STM32_HAS_RCC_CK48MSEL              TRUE
 #define STM32_RCC_CK48MSEL_USES_I2S         TRUE
+#define STM32_TIMPRE_PRESCALE4              TRUE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -1937,6 +1942,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             FALSE
 #define STM32_HAS_RCC_CK48MSEL              FALSE
 #define STM32_RCC_CK48MSEL_USES_I2S         FALSE
+#define STM32_TIMPRE_PRESCALE4              TRUE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -2247,6 +2253,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             FALSE
 #define STM32_HAS_RCC_CK48MSEL              FALSE
 #define STM32_RCC_CK48MSEL_USES_I2S         FALSE
+#define STM32_TIMPRE_PRESCALE4              TRUE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -2527,6 +2534,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             FALSE
 #define STM32_HAS_RCC_CK48MSEL              FALSE
 #define STM32_RCC_CK48MSEL_USES_I2S         FALSE
+#define STM32_TIMPRE_PRESCALE4              FALSE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88
@@ -2880,6 +2888,7 @@
 #define STM32_HAS_RCC_I2SPLLSRC             FALSE
 #define STM32_HAS_RCC_CK48MSEL              FALSE
 #define STM32_RCC_CK48MSEL_USES_I2S         FALSE
+#define STM32_TIMPRE_PRESCALE4              TRUE
 
 /* ADC attributes.*/
 #define STM32_ADC_HANDLER                   Vector88