diff options
Diffstat (limited to 'chip/stm32/system.c')
-rw-r--r-- | chip/stm32/system.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/chip/stm32/system.c b/chip/stm32/system.c index 682020b344..90a248eafa 100644 --- a/chip/stm32/system.c +++ b/chip/stm32/system.c @@ -207,7 +207,8 @@ void system_pre_init(void) /* Enable RTC and use LSI as clock source */ STM32_RCC_CSR = (STM32_RCC_CSR & ~0x00C30000) | 0x00420000; } -#elif defined(CHIP_FAMILY_STM32F0) || defined(CHIP_FAMILY_STM32F3) +#elif defined(CHIP_FAMILY_STM32F0) || defined(CHIP_FAMILY_STM32F3) || \ + defined(CHIP_FAMILY_STM32L4) if ((STM32_RCC_BDCR & 0x00018300) != 0x00008200) { /* the RTC settings are bad, we need to reset it */ STM32_RCC_BDCR |= 0x00010000; @@ -396,5 +397,8 @@ int system_is_reboot_warm(void) return ((STM32_RCC_AHBENR & 0x7e0000) == 0x7e0000); #elif defined(CHIP_FAMILY_STM32L) return ((STM32_RCC_AHBENR & 0x3f) == 0x3f); +#elif defined(CHIP_FAMILY_STM32L4) + return ((STM32_RCC_AHB2ENR & STM32_RCC_AHB2ENR_GPIOMASK) + == STM32_RCC_AHB2ENR_GPIOMASK); #endif } |