# This is the sample uEnv.txt file for HiFive Unleashed U-boot # The current convention (SUBJECT TO CHANGE) is that this file # will be loaded from the first MSDOS(fat) GPT partition on the # MMC card. # for debugging boot #bootargs=video=640x480 console=ttySI0 root=/dev/mmcblk0p2 rootwait bootargs=earlyprintk console=ttyS0,115200 debug rootwait stmmaceth=chain_mode:1 root=/dev/mmcblk0p3 # The FIT file to boot from fitfile=hifiveu.fit # The rest of this is mostly of interest to u-boot developers # below much match what's in FIT (ugha) bbladdr=80200000 fdtaddr=86000000 irdaddr=86100000 irdsize=06400000 # Use the FDT in the FIT image.. #setupfdt1=fdt addr ${fdtaddr}; fdt resize; fdt chosen; fdt move ${fdtaddr} ${newfdt} #use FDT that came with uboot #setupfdt1=fdt addr ${newfdt}; fdt resize; fdt chosen; fdt move ${fdtaddr} ${newfdt} #Use fit image, but don't call fdt move (TODO: understand later) #setupfdt1=fdt addr ${newfdt}; fdt resize; fdt chosen setupfdt1=fdt addr ${fdtaddr}; fdt resize; setupird=setexpr irdend ${irdaddr} + ${irdsize}; fdt set /chosen linux,initrd-start <0x0 0x${irdaddr}>; fdt set /chosen linux,initrd-end <0x0 0x${irdend}> #setupfdt2=fdt set /chosen bootargs ${bootargs}; fdt print /chosen #setupfdt2=fdt print /chosen; fdt set /chosen bootargs "${bootargs}"; fdt set /firmware uboot,ver ${ver}; fdt print /chosen setupfdt2=fdt set /chosen bootargs "${bootargs}" bootfile=vmlinuz fdt_addr_r=0x88000000 fdt_high=0xffffffffffffffff fdtcontroladdr=0xffffffffffffffff initrd_high=0xffffffffffffffff kernel_addr_r=0x84000000 ipaddr=192.168.120.250 bootwait=setenv _delay ${bootdelay}; echo ${_delay}; while test ${_delay} > 0; do sleep 1; setexpr _delay ${_delay} - 1; echo ${_delay}; done # this assumes ${fileaddr} is already set!! #boot2=fatload mmc 0:1 ${fileaddr} ${fitfile}; bootm start ${fileaddr}; run setupfdt1; run setupchosen; run setupfdt2; bootm loados ${fileaddr}; echo "Booting kernel in"; run bootwait; go 80000000 #boot2=fatload mmc 0:1 ${fileaddr} ${fitfile}; bootm start ${fileaddr}; run setupfdt1;run setupird;run setupfdt2; bootm loados ${fileaddr}; echo "Booting kernel in"; go ${bbladdr} ${fdtaddr} boot2=fatload mmc 0:1 ${fileaddr} ${fitfile}; bootm start ${fileaddr}; run setupfdt1;run setupird;run setupfdt2; bootm loados ${fileaddr}; echo "Booting kernel in"; booti ${bbladdr} ${irdaddr}:${filesize} ${fdtaddr} # if you want to network boot, for testing, uncomment the following: #boot2=dhcp; env import -t ${fileaddr} ${filesize}; run boot2