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- 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.
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