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stm32l4x6 RCC: fix MSI clock speed setting

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This commit is contained in:
Matias Nitsche 2020-04-19 18:00:05 -03:00 committed by patacongo
parent 2a76451185
commit 891acc5fa3
1 changed files with 2 additions and 1 deletions
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3
arch/arm/src/stm32l4/stm32l4x6xx_rcc.c
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@ -726,7 +726,8 @@ static void stm32l4_stdclockconfig(void)
/* setting MSIRANGE */
regval = getreg32(STM32L4_RCC_CR);
regval |= (STM32L4_BOARD_MSIRANGE | RCC_CR_MSION); /* Enable MSI and frequency */
regval &= ~RCC_CR_MSIRANGE_MASK; /* Zero-out current MSIRANGE bits */
regval |= (STM32L4_BOARD_MSIRANGE | RCC_CR_MSION | RCC_CR_MSIRGSEL); /* Enable MSI and frequency */
putreg32(regval, STM32L4_RCC_CR);
/* Wait until the MSI is ready (or until a timeout elapsed) */