From 16736c2312bff2a35707c411c3dba91de86751a9 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Tue, 5 Apr 2022 16:14:27 +0200 Subject: [PATCH] doc: debug UART for RISC-V QEMU virt machine Provide settings for enabling the debug UART of the virt machine on RISC-V QEMU. Signed-off-by: Heinrich Schuchardt --- doc/board/emulation/qemu-riscv.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/doc/board/emulation/qemu-riscv.rst b/doc/board/emulation/qemu-riscv.rst index ae99881..782f372 100644 --- a/doc/board/emulation/qemu-riscv.rst +++ b/doc/board/emulation/qemu-riscv.rst @@ -132,3 +132,13 @@ An attached disk can be emulated in RISC-V virt machine by adding:: -device ide-hd,drive=mydisk,bus=ahci.0 You will have to run 'scsi scan' to use it. + +Debug UART +---------- + +The following settings provide a debug UART for the virt machine:: + + CONFIG_DEBUG_UART=y + CONFIG_DEBUG_UART_NS16550=y + CONFIG_DEBUG_UART_BASE=0x10000000 + CONFIG_DEBUG_UART_CLOCK=3686400 -- 2.7.4