From b5ec417b56bfbd6685247f58a26592052ab0f42e Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Tue, 22 Mar 2022 16:59:11 -0400 Subject: [PATCH] doc: ls1046ardb: Expand boot mode section This adds some additional info about booting from different sources, including the correct switch positions. Signed-off-by: Sean Anderson --- doc/board/nxp/ls1046ardb.rst | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/doc/board/nxp/ls1046ardb.rst b/doc/board/nxp/ls1046ardb.rst index 4bfeaa93dd..c73516c070 100644 --- a/doc/board/nxp/ls1046ardb.rst +++ b/doc/board/nxp/ls1046ardb.rst @@ -95,6 +95,17 @@ Start Address End Address Description Size Booting Options --------------- -- QSPI boot -- SD boot -- eMMC boot + +NB: The reference manual documents the RCW source with the *least-significant +bit first*. + +QSPI boot +^^^^^^^^^ + +This is the default. ``{ SW5[0:8], SW4[0] }`` should be ``0010_0010_0``. + +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. -- 2.39.5