From 0d106f1e731a4ea47eaeb4b70cc8b4fcc13a3e40 Mon Sep 17 00:00:00 2001 From: Baruch Siach Date: Sun, 24 Sep 2017 15:50:18 +0300 Subject: [PATCH 1/1] arm: mvebu: clearfog: document boot from UART Signed-off-by: Baruch Siach Signed-off-by: Stefan Roese --- board/solidrun/clearfog/README | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/board/solidrun/clearfog/README b/board/solidrun/clearfog/README index 2cfa5bfc86..ef1e3bf426 100644 --- a/board/solidrun/clearfog/README +++ b/board/solidrun/clearfog/README @@ -16,3 +16,23 @@ $ sudo dd if=u-boot-spl.kwb of=/dev/sdX bs=512 seek=1 Please use the correct device node for your setup instead of "/dev/sdX" here! + +Boot from UART: +--------------- + +Connect the on-board micro-USB (CF Pro: CON11, CF Base: CON5) +to your host. + +Set the SW1 DIP switches to UART boot (0: OFF, 1: ON): + + ClearFog Base: 01001 + ClearFog Pro: 11110 + +Run the following command to initiate U-Boot download: + + ./tools/kwboot -b u-boot-spl.kwb /dev/ttyUSBX + +Use the correct UART device node for /dev/ttyUSBX. + +When download finishes start your favorite terminal emulator +on /dev/ttyUSBX. -- 2.39.2