From 0f70d705cf359b6217db1bca5ee7e1c03dc85dea Mon Sep 17 00:00:00 2001 From: Florian Klink Date: Sat, 23 Dec 2017 01:42:48 +0100 Subject: [PATCH] arm: mvebu: ClearFog: document boot selection switches, update UART Signed-off-by: Florian Klink Signed-off-by: Stefan Roese --- board/solidrun/clearfog/README | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/board/solidrun/clearfog/README b/board/solidrun/clearfog/README index ef1e3bf426..a7bc0d4e23 100644 --- a/board/solidrun/clearfog/README +++ b/board/solidrun/clearfog/README @@ -17,16 +17,29 @@ $ 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 selection: +--------------- + +Before powering up the board, boot selection should be done via the SW1 dip +switch (0: OFF, 1: ON): + + - SPI: 00010 + - SD/eMMC: 00111 + - M.2 SSD: 11100 + - UART: 01001 [1] + +[1]: According to SolidRun's manual, 11110 should be used for UART booting on + the ClearFog 'Pro' variant. + However, this doesn't work (anymore) at least on Rev. 2.1 (but '01001' as + mentionend for the 'Base' variant does). + 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 +Set the SW1 DIP switches to UART boot (see above). Run the following command to initiate U-Boot download: -- 2.25.1