diff options
Diffstat (limited to 'board/warp7')
| -rw-r--r-- | board/warp7/README | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/board/warp7/README b/board/warp7/README new file mode 100644 index 0000000000..60339da543 --- /dev/null +++ b/board/warp7/README @@ -0,0 +1,63 @@ +How to Update U-Boot on Warp7 board +---------------------------------- + +Required software on the host PC: + +- imx_usb_loader: https://github.com/boundarydevices/imx_usb_loader + +- dfu-util: http://dfu-util.sourceforge.net/releases/ (if you are in a +Debian distribution then you can get it via libdfu-dev package) + +- libusb: http://libusb.org/ (if you are in a Debian distribution +then you can get it via libusb-dev and libusb-1.0-0-dev) + +In U-Boot folder, build U-Boot for Warp7: + +$ make mrproper +$ make warp7_config +$ make + +This will generate the U-Boot binary called u-boot.imx. + +Put warp7 board in USB download mode: + +Remove the CPU board from the base board then put switch 2 in the upper +position + +Connect a USB to serial adapter between the host PC and warp7 + +Connect a USB cable between the OTG warp7 port and the host PC + +Copy u-boot.imx to the imx_usb_loader folder. + +Load u-boot.imx via USB: + +$ sudo ./imx_usb u-boot.imx + +Then U-Boot should start and its messages will appear in the console program. + +Open a terminal program such as minicom + +Use the default environment variables: + +=> env default -f -a +=> saveenv + +Run the DFU command: +=> dfu 0 mmc 0 + +Transfer u-boot.imx that will be flashed into the eMMC: + +$ sudo dfu-util -D u-boot.imx -a boot + +Then on the U-Boot prompt the following message should be seen after a +successful upgrade: + +#DOWNLOAD ... OK +Ctrl+C to exit ... + +Remove power from the warp7 board. + +Put warp7 board into normal boot mode (put the switch 2 in the lower position) + +Power up the board and the new updated U-Boot should boot from eMMC |