From c6963fb88ffb60e42137dc60100ee1a7c6f91beb Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Wed, 16 Sep 2020 00:17:55 +0200
Subject: [PATCH] doc: qemu: debug UART settings for QEMU ARM virt
Provide the settings for the debug UART on the QEMU ARM virt board.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
doc/board/emulation/qemu-arm.rst | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/doc/board/emulation/qemu-arm.rst b/doc/board/emulation/qemu-arm.rst
index ca751d4af4..8d7fda10f1 100644
--- a/doc/board/emulation/qemu-arm.rst
+++ b/doc/board/emulation/qemu-arm.rst
@@ -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
--
2.39.5