Build
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=====
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First, configure Buildroot for your WarpBoard.
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make warpboard_defconfig
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Build all components:
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make
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You will find in ./output/images/ the following files:
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- imx6sl-warp.dtb
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- rootfs.ext4
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- rootfs.tar
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- sdcard.img
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- u-boot.imx
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- zImage
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Update uboot
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============
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- Put warpboard in USB download mode by closing the j2 jumper on the
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daugther board
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- Load u-boot.imx in the WarpBoard by using the imx-usb-loader host utility:
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$ ./output/host/bin/imx_usb -c output/host/etc/imx-loader.d/ output/images/u-boot.imx
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- U-Boot will appear in minicom
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- Reset the U-Boot environment to its default:
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=> env default -f -a
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=> saveenv
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- Run the DFU command in U-Boot:
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=> dfu 0 mmc 0
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- Transfer U-Boot into flash by running this command in host side:
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$ sudo ./output/host/bin/dfu-util -D output/images/u-boot.imx -a boot
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- remove power and put the WarpBoard back into normal boot mode by
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opening the j2 jumper.
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Update linux & rootfs
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=====================
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Run the 'ums' command from the U-Boot prompt to mount the eMMC as USB mass
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storage:
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=> ums 0 mmc 0
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And then flash the sdcard.img into the eMMC:
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dd if=output/images/sdcard.img of=/dev/<your-sd-device>
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*** WARNING! This will destroy all the eMMC content. Use it with care! ***
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Using bluetooth
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================
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Enable the bluez_utils or bluez5_utils package, and then run:
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$ hciattach /dev/ttymxc4 any
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$ hciconfig hci0 up
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Using Wifi
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==========
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# modprobe brcmfmac
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# iwconfig wlan0 essid ACCESSPOINTNAME
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# wpa_passphrase ACCESSPOINTNAME > /etc/wpa.conf
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(enter the wifi password and press enter)
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# wpa_supplicant -Dwext -iwlan0 -c /etc/wpa.conf &
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# udhcpc -i wlan0
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# ping buildroot.org
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Enjoy!
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