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Kernel: Add character device driver for the RPi "mini UART" (UART1)

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While the PL011-based UART0 is currently reserved for the kernel
console, UART1 is free to be exposed to the userspace as `/dev/ttyS0`.
This will be used as the stdout of `run-tests-and-shutdown.sh` when
testing the AArch64 kernel.
This commit is contained in:
Daniel Bertalan 2023-05-15 07:51:46 +02:00 • committed by Andrew Kaster
parent 3beb488887
commit c460b84ebe
4 changed files with 186 additions and 0 deletions
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1
Kernel/CMakeLists.txt
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@ -442,6 +442,7 @@ elseif("${SERENITY_ARCH}" STREQUAL "aarch64")
Arch/aarch64/RPi/GPIO.cpp
Arch/aarch64/RPi/InterruptController.cpp
Arch/aarch64/RPi/Mailbox.cpp
Arch/aarch64/RPi/MiniUART.cpp
Arch/aarch64/RPi/MMIO.cpp
Arch/aarch64/RPi/SDHostController.cpp
Arch/aarch64/RPi/Timer.cpp