f1f0ba19f9
This adds 2 implementations of SerialPortLib for device tree based platforms using a PL011 UART: - an 'early' one which is completely stateless and uses only fixed PCDs - a normal one which takes its base address from a HOB containing the base address discovered in the PEI phase Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-with-remarks-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-By: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16140 6f19259b-4bc3-4df7-8a09-765794883524