diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c b/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c index 45980f288..14ee1e754 100644 --- a/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c +++ b/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c @@ -633,7 +633,7 @@ static void stm32_stdclockconfig(void) /* Enable FLASH prefetch, instruction cache, data cache, and 5 wait states */ - regval = (FLASH_ACR_LATENCY_5 | FLASH_ACR_ICEN | FLASH_ACR_DCEN); + regval = (FLASH_ACR_LATENCY_5 | FLASH_ACR_ICEN | FLASH_ACR_DCEN | FLASH_ACR_PRFTEN); putreg32(regval, STM32_FLASH_ACR); /* Select the main PLL as system clock source */ |