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-rw-r--r--board/ryu_sh/board.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/board/ryu_sh/board.c b/board/ryu_sh/board.c
index 34ed7df7e2..2266e7d95a 100644
--- a/board/ryu_sh/board.c
+++ b/board/ryu_sh/board.c
@@ -4,6 +4,7 @@
*/
/* ryu sensor hub configuration */
+#include "clock.h"
#include "common.h"
#include "console.h"
#include "driver/accelgyro_lsm6ds0.h"
@@ -64,6 +65,8 @@ void board_config_pre_init(void)
* and the register write as no effect.
*/
STM32_RCC_APB2ENR |= 1 << 0;
+ /* Delay 1 APB clock cycle after the clock is enabled */
+ clock_wait_bus_cycles(BUS_APB, 1);
/*
* Remap USART DMA to match the USART driver
* the DMA mapping is :