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arm: mvebu: clearfog: document boot from UART

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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
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Baruch Siach 2017-09-24 15:50:18 +03:00 • committed by Stefan Roese
parent f3a88e2ca1
commit 0d106f1e73
1 changed files with 20 additions and 0 deletions
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20
board/solidrun/clearfog/README
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@ -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.