From: Heinrich Schuchardt Date: Tue, 5 Apr 2022 14:14:27 +0000 (+0200) Subject: doc: debug UART for RISC-V QEMU virt machine X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=16736c2312bff2a35707c411c3dba91de86751a9;p=u-boot.git 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 --- diff --git a/doc/board/emulation/qemu-riscv.rst b/doc/board/emulation/qemu-riscv.rst index ae998810c8..782f37251c 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