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* hw/char/stm32l4x5_usart: Enable serial read and writeArnaud Minier2024-04-251-0/+1
| | | | | | | | | | | | | | | Implement the ability to read and write characters to the usart using the serial port. The character transmission is based on the cmsdk-apb-uart implementation. Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr> Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20240329174402.60382-3-arnaud.minier@telecom-paris.fr [PMM: fixed a few checkpatch nits] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* hw/char: Implement STM32L4x5 USART skeletonArnaud Minier2024-04-251-0/+66
Add the basic infrastructure (register read/write, type...) to implement the STM32L4x5 USART. Also create different types for the USART, UART and LPUART of the STM32L4x5 to deduplicate code and enable the implementation of different behaviors depending on the type. Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr> Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20240329174402.60382-2-arnaud.minier@telecom-paris.fr [PMM: update to new reset hold method signature; fixed a few checkpatch nits] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>