[BACKPORT] arch/stm32h7: add defines for USART clock selection #319
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This adds the necessary defines to set the USARTs' kernel clock source selection. This is required for a configuration where the bootloader (running before NuttX) changes the USARTs' clock selection, so they need to be restored on board init. This is according to the reference manual RM0399 page 448.
davids5
approved these changes
Aug 6, 2024
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This adds the necessary defines to set the USARTs' kernel clock source selection.
This is required for a configuration where the bootloader (running before NuttX) changes the USARTs' clock selection, so they need to be restored on board init.
This is according to the reference manual RM0399 page 448.
Sponsored by CubePilot.
Backport of apache/nuttx#12845.