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U-boot setup for Compulab's Utilite
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u-boot-utilite/boot-geexbox.uboot

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  1. # You will need to create an empty 'geexbox' directory under your boot file-system on the USB, for this setup to work

  2. dtbaddr=15000000

  3. usbdev=0

  4. bootgeex=setenv dtb imx6q-sbc-fx6m.dtb;setenv zimage zImage;if fatload usb ${usbdev} ${loadaddr} ${zimage}; then setenv bootargs console=ttymxc3,115200 root=/dev/sdb2 rootwait rw  video=mxcfb0:dev=hdmi,1920x1080@60,if=RGB24,bpp=16 consoleblank=0 cm_fx6_v4l dmfc=3 mxc_vout.vdi_rate_double=1;fatload usb ${usbdev} ${dtbaddr} ${dtb};fi;bootz ${loadaddr} - ${dtbaddr}

  5. bootcmd=run setupmmcboot;mmc dev ${storagedev};if mmc rescan; then run trybootsrz;fi;run setupusbboot;if usb start; then if fatls usb ${usbdev} geexbox; then run bootgeex;fi;if run loadscript; then run bootscript;else run usbbootargs;if run loadkernel; then run doboot;else setenv bootargs;fi;fi;fi; run setupsataboot;if sata init; then run trybootsmz;fi;run setupnandboot;run nandboot;