On Fri 2017-06-16 @ 05:15:40 PM, drew.mose...@mender.io wrote: > diff --git a/README b/README > index cccf59e..cf52e05 100644 > --- a/README > +++ b/README > @@ -59,4 +59,28 @@ To build a machine supported by this BSP layer follow the > next steps:
Please wrap the additions to the README to 80 columns. > II. Flashing a C.H.I.P. board > ======================================== > > -<TODO> > +As part of the build including this BSP layer, a U-Boot script and a shell > script > +are created to assist in flashing your images to the CHIP board. Note that > this > +script assumes a maximum size for your UBI image of 0x0A000000 bytes. If > your UBI > +image exceeds that, then you will need to adapt this to your environment. > + > +To successfully run this script you will first need to set your board into > FEL mode. > +chip. https://docs.getchip.com/chip.html#flash-chip-with-an-os > +Insert a wire into the U14 header between pin 7 (FEL) and GND. Then connect > the > +board with a USB cable to your build system. > + > +You need to specify the base filename of your UBI image using the UBI_IMAGE > shell > +variable before invoking the generated script as follows: > + > +$ UBI_IMAGE=core-image-full-cmdline-chip.ubi > ./tmp/deploy/images/chip/flash_CHIP_board.sh Outside of a udev tweak, this script needs to be run as root. It's traditional to indicate commands run as root by prefixing them with a PS1 of '#'. > + > +This script will take some time to execute. If you have a serial console > connected to > +your board, you will see the progress and a message on the console will > indicate when > +the flashing is completed. Additionally, once the image is properly flashed, > the status > +LED on the CHIP board will flash 30 times per second indicating that it is > safe to power > +down your board and disable FEL mode. > + > +WARNING: This will erase the entire contents of your CHIP board. > + > +NOTE: This setup is still compatible with the CHIP flashing utility available > +at http://flash.getchip.com if you choose to reinstall the stock images. -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto