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* stm32: Fix typo that broke selection of alternate serial port pinKevin O'Connor2020-02-091-1/+1
| | | | | | Fix a typo in commit aea15250. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Only declare alternate usart2 on stm32f0Kevin O'Connor2020-01-231-28/+22
| | | | | | | Also, try to improve the structure of the #if/#else/#endif layout in serial.c. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: add alternate pinout for USART2Arne Jansen2020-01-231-0/+6
| | | | | | Added to both generic stm32 and stm32f0 Signed-off-by: Arne Jansen <arne@die-jansens.de>
* stm32: Update code to use armcm_boot mechanismKevin O'Connor2019-08-221-7/+3
| | | | | | | Replace the stm32 provided assembler with the src/generic/armcm_boot.c mechanism. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Move irq handler code above irq setupKevin O'Connor2019-08-221-18/+18
| | | | | | Only code movement. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Add serial USART serial port option for port PD9/PD8Kevin O'Connor2019-08-091-0/+7
| | | | | Signed-off-by: Gerrit Sturm <gsturm16@gmail.com> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Rename stm32f4/ directory to stm32/Kevin O'Connor2019-08-051-0/+78
Now that the code in stm32f4/ can handle both stm32f1 and stm32f4 chips, rename the directory to just "stm32". Signed-off-by: Kevin O'Connor <kevin@koconnor.net>