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Diffstat (limited to 'board/kobol/helios4/README')
| -rw-r--r-- | board/kobol/helios4/README | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/board/kobol/helios4/README b/board/kobol/helios4/README new file mode 100644 index 0000000000..749f048278 --- /dev/null +++ b/board/kobol/helios4/README @@ -0,0 +1,46 @@ +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. |