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u-boot-brain/board/solidrun/clearfog
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Baruch Siach 0d106f1e73 arm: mvebu: clearfog: document boot from UART 
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
2017-09-26 06:53:26 +02:00
..
clearfog.c driver/ddr: Add support for setting timing in hws_topology_map 2017-07-12 06:56:48 +02:00
kwbimage.cfg arm: mvebu: clearfog: fix chip name comment 2017-07-12 06:57:55 +02:00
MAINTAINERS arm: mvebu: Add SolidRun ClearFog Armada 38x initial support 2016-01-14 14:08:59 +01:00
Makefile arm: mvebu: Add SolidRun ClearFog Armada 38x initial support 2016-01-14 14:08:59 +01:00
README arm: mvebu: clearfog: document boot from UART 2017-09-26 06:53:26 +02:00

README 

Update from original Marvell U-Boot to mainline U-Boot:
-------------------------------------------------------

Generate the U-Boot image with these commands:

$ make clearfog_defconfig
$ make

The resulting image including the SPL binary with the
full DDR setup is "u-boot-spl.kwb".

Now all you need to do is copy this image on a SD card.
For example with this command:

$ 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.