Initial Commit

README.md

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+# U-boot for Utilte
+
+This is some work I've on my (now perished) Utilite:
+
+https://en.wikipedia.org/wiki/Utilite
+
+Probably no longer useful but some some sentimental value so here it is.

boot-geexbox.uboot

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+# You will need to create an empty 'geexbox' directory under your boot file-system on the USB, for this setup to work
+dtbaddr=15000000
+usbdev=0
+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}
+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;

setup-usb-boot-utilite.uboot

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+bootcmd=run setupmmcboot;mmc dev ${storagedev};if mmc rescan; then run trybootsrz;fi;run setupusbboot;if usb start; then if run loadscript; then run bootscript;else run usbbootargs;if run loadkernel; then run doboot;else setenv bootargs;fi;fi;fi; run setupsataboot;if sata init; then run trybootsmz;fi;run setupnandboot;run nandboot;
+usbroot=/dev/sdb2
+usbrootdelay=1
+usbbootargs=setenv bootargs root=${usbroot} rootdelay=${usbrootdelay}

u-boot-update-env.sh

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+#!/bin/bash
+
+# This script will accept a text file with standard u-boot commands and 
+# load it to the U-Boot environment. The original environment is saved
+# in a backup file in the current directory
+
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+BACKUP_FILE=u-boot_env-$$.bak
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 U-BOOT_ENV_FILE"
+    exit 1
+fi
+
+# Backup existing U-Boot environment
+env fw_printenv > $BACKUP_FILE || exit 2
+
+# Check if the ethaddr variable is defined
+ethaddr=$(fw_printenv ethaddr 2> /dev/null)
+
+while read line
+do
+    # Suppress the ethaddr overwrite warning
+    [ -z "$ethaddr"] && [[ "$line" =~ "ethaddr" ]] && continue
+
+    # ignore comments starting with '#'
+    if [[ "$line" == *'#'* ]]; then
+        line=$(echo $line | cut -d\# -f1)
+    fi
+
+    if [[ $line  = *[^[:space:]]* ]]; then
+        env fw_setenv $(echo $line | sed 's/=/ /') || exit 3
+    fi
+done < "$1"

u-boot_utilite.env.orig

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+autoload=no
+baudrate=115200
+bootcmd=run setupmmcboot;mmc dev ${storagedev};if mmc rescan; then run trybootsmz;fi;run setupusbboot;if usb start; then if run loadscript; then run bootscript;fi;fi;run setupsataboot;if sata init; then run trybootsmz;fi;run setupnandboot;run nandboot;
+bootdelay=2
+bootm_low=18000000
+bootscript=echo Running bootscript from ${storagetype} ...;source ${loadaddr};
+console=ttymxc3,115200
+doboot=bootm ${loadaddr}
+doloadfdt=false
+dtb=cm-fx6.dtb
+ethprime=FEC0
+fdtaddr=0x11000000
+kernel=uImage-cm-fx6
+loadaddr=0x10800000
+loadfdt=load ${storagetype} ${storagedev} ${fdtaddr} ${dtb};
+loadkernel=load ${storagetype} ${storagedev} ${loadaddr} ${kernel};
+loadscript=load ${storagetype} ${storagedev} ${loadaddr} ${script};
+mmcargs=setenv bootargs console=${console} root=${mmcroot} ${video}
+mmcroot=/dev/mmcblk0p2 rw rootwait
+nandargs=setenv bootargs console=${console} root=${nandroot} rootfstype=${nandrootfstype} ${video}
+nandboot=if run nandloadkernel; then run nandloadfdt;run setboottypem;run storagebootcmd;run setboottypez;run storagebootcmd;fi;
+nandloadfdt=nand read ${fdtaddr} 780000 80000;
+nandloadkernel=nand read ${loadaddr} 0 780000;
+nandroot=/dev/mtdblock4 rw
+nandrootfstype=ubifs
+panel=HDMI
+preboot=usb start
+run_eboot=echo Starting EBOOT ...; mmc dev 2 && mmc rescan && mmc read 10042000 a 400 && go 10042000
+sataargs=setenv bootargs console=${console} root=${sataroot} ${video}
+sataroot=/dev/sda2 rw rootwait
+script=boot.scr
+setboottypem=setenv kernel uImage-cm-fx6;setenv doboot bootm ${loadaddr};setenv doloadfdt false;
+setboottypez=setenv kernel zImage-cm-fx6;setenv doboot bootz ${loadaddr} - ${fdtaddr};setenv doloadfdt true;
+setupmmcboot=setenv storagetype mmc; setenv storagedev 2;
+setupnandboot=setenv storagetype nand;
+setupsataboot=setenv storagetype sata; setenv storagedev 0;
+setupusbboot=setenv storagetype usb; setenv storagedev 0;
+stderr=serial,vga
+stdin=serial,usbkbd
+stdout=serial,vga
+storagebootcmd=echo Booting from ${storagetype} ...;run ${storagetype}args; run doboot;
+trybootk=if run loadkernel; then if ${doloadfdt}; then run loadfdt;fi;run storagebootcmd;fi;
+trybootsmz=if run loadscript; then run bootscript;fi;run setboottypem;run trybootk;run setboottypez;run trybootk;
+video_dvi=mxcfb0:dev=dvi,1280x800M-32@50,if=RGB32
+video_hdmi=mxcfb0:dev=hdmi,1920x1080M-32@50,if=RGB32