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@@ -17,16 +17,29 @@ $ sudo dd if=u-boot-spl.kwb of=/dev/sdX bs=512 seek=1
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Please use the correct device node for your setup instead
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of "/dev/sdX" here!
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+Boot selection:
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+---------------
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+
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+Before powering up the board, boot selection should be done via the SW1 dip
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+switch (0: OFF, 1: ON):
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+
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+ - SPI: 00010
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+ - SD/eMMC: 00111
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+ - M.2 SSD: 11100
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+ - UART: 01001 [1]
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+
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+[1]: According to SolidRun's manual, 11110 should be used for UART booting on
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+ the ClearFog 'Pro' variant.
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+ However, this doesn't work (anymore) at least on Rev. 2.1 (but '01001' as
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+ mentionend for the 'Base' variant does).
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+
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Boot from UART:
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---------------
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Connect the on-board micro-USB (CF Pro: CON11, CF Base: CON5)
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to your host.
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-Set the SW1 DIP switches to UART boot (0: OFF, 1: ON):
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-
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- ClearFog Base: 01001
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- ClearFog Pro: 11110
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+Set the SW1 DIP switches to UART boot (see above).
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Run the following command to initiate U-Boot download:
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Florian Klink