From e5e982c69bc6c90c62e5c080d1746bf6cdcc56c8 Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Tue, 22 Mar 2022 16:59:12 -0400 Subject: [PATCH] doc: ls1046ardb: Document debug uart This adds some instructions for enabling the debug uart, including the correct address and clock rate. Signed-off-by: Sean Anderson --- doc/board/nxp/ls1046ardb.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/doc/board/nxp/ls1046ardb.rst b/doc/board/nxp/ls1046ardb.rst index c73516c..e4499a1 100644 --- a/doc/board/nxp/ls1046ardb.rst +++ b/doc/board/nxp/ls1046ardb.rst @@ -109,3 +109,12 @@ SD boot and eMMC boot ``{ SW5[0:8], SW4[0] }`` should be ``0010_0000_0``. eMMC is selected only if there is no SD card in the slot. + +Debug UART +---------- + +To enable the debug UART, enable the following config options:: + + CONFIG_DEBUG_UART_NS16550=y + CONFIG_DEBUG_UART_BASE=0x21c0500 + CONFIG_DEBUG_UART_CLOCK=300000000 -- 2.7.4