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* lpc176x: Use full peripheral clock speed; fix UART interfaceKevin O'Connor2021-05-042-6/+11
| | | | | | | | | | | Commit ae89a659 caused a regression in the lpc176x UART handling. After that commit the UART clock divisor would need to be 6.25 on lpc1768 or 7.5 on lpc1769, but the code only supports whole numbers. Set the PCLKSELx registers at startup and return to using full speed peripheral clocks. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lib: No need to make lpc176x SystemInit() externally visibleKevin O'Connor2019-09-062-10/+1
| | | | | | | Now that the lpc176x code uses the armcm_boot mechanism, it is no longer necessary for SystemInit to be externally visible. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lib: Remove now unused ARM Cortex-M linker scripts and boot assemblyKevin O'Connor2019-09-062-407/+0
| | | | | | | Remove the unused files for those boards converted to use the armcm_boot mechanism. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lpc176x: Use common cmsis-core filesKevin O'Connor2018-08-065-4443/+0
| | | | | | | No need to include separate cmsis files from the mbed project - the standard CMSIS_5 files work fine. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lpc176x: Add initial support for LPC176x processorsKevin O'Connor2018-05-2511-0/+6565
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>