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Revert "HSI should not be turned off"

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This reverts commit 4e051c05fb8ec61e87b5747f17b667e65ecc2e23.

This change broke the STM32 seril driver.
This commit is contained in:
Gregory Nutt 2017-01-12 16:27:04 -06:00
parent 2d9668fbd2
commit d5cdab0e51
1 changed files with 7 additions and 2 deletions
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9
arch/arm/src/stm32/stm32f40xxx_rcc.c
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@ -95,10 +95,10 @@ static inline void rcc_reset(void)
putreg32(0x00000000, STM32_RCC_CFGR);
/* Reset HSEON, CSSON and PLLON bits */
/* Reset HSION, HSEON, CSSON and PLLON bits */
regval = getreg32(STM32_RCC_CR);
regval &= ~(RCC_CR_HSEON | RCC_CR_CSSON | RCC_CR_PLLON);
regval &= ~(RCC_CR_HSION | RCC_CR_HSEON | RCC_CR_CSSON | RCC_CR_PLLON);
putreg32(regval, STM32_RCC_CR);
/* Reset PLLCFGR register to reset default */
@ -619,6 +619,11 @@ static void stm32_stdclockconfig(void)
volatile int32_t timeout;
#ifdef STM32_BOARD_USEHSI
/* Enable Internal High-Speed Clock (HSI) */
regval = getreg32(STM32_RCC_CR);
regval |= RCC_CR_HSION; /* Enable HSI */
putreg32(regval, STM32_RCC_CR);
/* Wait until the HSI is ready (or until a timeout elapsed) */