stm32: Fix CAN for STM32G4

Signed-off-by: Alex Maclean <monkeh@monkeh.net>
2023-12-18 01:05:06 +00:00
parent 147492b253
commit 77619e912c
2 changed files with 6 additions and 3 deletions
--- a/src/stm32/stm32g4.c
+++ b/src/stm32/stm32g4.c
@@ -105,6 +105,9 @@ enable_clock_stm32g4(void)
        enable_pclock(CRS_BASE);
        CRS->CR |= CRS_CR_AUTOTRIMEN | CRS_CR_CEN;
    }
+
+    // Use PCLK for FDCAN
+    RCC->CCIPR = 2 << RCC_CCIPR_FDCANSEL_Pos;
 }

 // Main clock setup called at chip startup