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stm32: Use enable_pclock() in stm32h7 clock_setup()

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Use the helper functions to enable the peripheral clock instead of
directly manipulating the clock enable bits.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2025-04-22 10:52:43 -04:00
parent 5d1f773ffb
commit c352617c30
1 changed files with 4 additions and 5 deletions
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9
src/stm32/stm32h7.c
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@ -141,7 +141,7 @@ clock_setup(void)
// Enable VOS0 (overdrive)
if (CONFIG_CLOCK_FREQ > 400000000) {
RCC->APB4ENR |= RCC_APB4ENR_SYSCFGEN;
enable_pclock((uint32_t)SYSCFG);
#if !CONFIG_MACH_STM32H723
SYSCFG->PWRCR |= SYSCFG_PWRCR_ODEN;
#else
@ -190,10 +190,9 @@ clock_setup(void)
// Configure HSI48 clock for USB
if (CONFIG_USB) {
SET_BIT(RCC->CR, RCC_CR_HSI48ON);
while((RCC->CR & RCC_CR_HSI48RDY) == 0);
SET_BIT(RCC->APB1HENR, RCC_APB1HENR_CRSEN);
SET_BIT(RCC->APB1HRSTR, RCC_APB1HRSTR_CRSRST);
CLEAR_BIT(RCC->APB1HRSTR, RCC_APB1HRSTR_CRSRST);
while ((RCC->CR & RCC_CR_HSI48RDY) == 0)
;
enable_pclock((uint32_t)CRS);
CLEAR_BIT(CRS->CFGR, CRS_CFGR_SYNCSRC);
SET_BIT(CRS->CR, CRS_CR_CEN | CRS_CR_AUTOTRIMEN);
CLEAR_BIT(RCC->D2CCIP2R, RCC_D2CCIP2R_USBSEL);