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u-boot-brain/board/kobol/helios4
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Dennis Gilmore 5a3db5d1af ARM: mvebu: helios4 adjust env sizes to enable SPI to work 
mirror the clearfog setup to enable SPI to work

Signed-off-by: Dennis Gilmore <dennis@ausil.us>
2021-01-27 07:25:39 +01:00
..
helios4.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
Kconfig ARM: mvebu: helios4 adjust env sizes to enable SPI to work 2021-01-27 07:25:39 +01:00
MAINTAINERS arm: mvebu: Add Helios4 Armada 38x initial support 2018-06-12 13:17:19 +02:00
Makefile arm: mvebu: Add Helios4 Armada 38x initial support 2018-06-12 13:17:19 +02:00
README arm: mvebu: Add Helios4 Armada 38x initial support 2018-06-12 13:17:19 +02:00

README 

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

Generate the U-Boot image with these commands:

$ make helios4_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 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
 - SATA1:   11100
 - UART:    11110

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 (see above).

Run the following command to initiate U-Boot download:

  ./tools/kwboot -p -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.