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doc: qemu: debug UART settings for QEMU ARM virt

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Provide the settings for the debug UART on the QEMU ARM virt board.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2020-09-16 00:17:55 +02:00
committed by Tom Rini
parent c4d0384a4a
commit c6963fb88f
1 changed files with 10 additions and 0 deletions
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10
doc/board/emulation/qemu-arm.rst
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@@ -80,3 +80,13 @@ can be enabled with the following command line parameters:
-drive if=none,file=disk.img,id=mydisk -device nvme,drive=mydisk,serial=foo
These have been tested in QEMU 2.9.0 but should work in at least 2.5.0 as well.
Debug UART
----------
The debug UART on the ARM virt board uses these settings::
CONFIG_DEBUG_UART=y
CONFIG_DEBUG_UART_PL010=y
CONFIG_DEBUG_UART_BASE=0x9000000
CONFIG_DEBUG_UART_CLOCK=0