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-Below are the environment variables that can be set in the u-boot console to boot the Renesas Gen3 ULCB boards.
-
-Adjust board type with the following identifiers:
-
-* 'm3ulcb' for Renesas Gen3 Starter Kit Pro
-* 'h3ulcb' for Renesas Gen3 Starter Kit Premium
-
-################## Common options #####################
-# these options are common to all configurations:
-
-##### board info
-
-# choose board
-setenv board m3ulcb
-setenv soc r8a7796
-# or
-setenv board h3ulcb
-setenv soc r8a7795
-
-##### boot mode
-# choose bootmode:
-# netboot
-setenv bootmode net
-# or sdcard
-setenv bootmode sd
-# or sdcard with initrd
-setenv bootmode sdi
-
-##### sdcard options
-# which sdcard slot to use
-setenv bootmmc '0:1'
-
-##### netboot options
-# replace <IP> and <NUM> by appropriate addresses
-setenv ipaddr '<board_IP>'
-setenv serverip '<server_IP>'
-setenv ethact ravb
-setenv ethaddr DE:AD:C0:FF:EE:<NUM>
-
-################## Internal variables #####################
-
-# kernel file
-setenv set_bootkfile 'setenv bootkfile Image'
-setenv bootkaddr 0x48080000
-
-# dtb file
-setenv set_bootdfile 'setenv bootdfile Image-${soc}-${board}.dtb'
-setenv bootdaddr 0x48000000
-
-# initrd
-setenv set_bootifile 'setenv bootifile initramfs-netboot-image-${board}.ext4.gz'
-setenv bootiaddr 0x5C3F9520
-setenv bootisize 3A6AB6
-
-# kernel args
-setenv bootargs_console 'console=ttySC0,115200 ignore_loglevel'
-setenv bootargs_video 'vmalloc=384M video=HDMI-A-1:1920x1080-32@60'
-setenv bootargs_extra 'rw rootfstype=ext4 rootwait rootdelay=2'
-
-# final boot command
-setenv bootcmd 'run bootcmd_${bootmode}'
-
-################ Boot on MMC (SDcard) #################
-
-setenv bootkload_sd 'ext4load mmc ${bootmmc} ${bootkaddr} boot/${bootkfile}'
-setenv bootiload_sd 'ext4load mmc ${bootmmc} ${bootiaddr} boot/${bootifile}'
-setenv bootdload_sd 'ext4load mmc ${bootmmc} ${bootdaddr} boot/${bootdfile}'
-
-# without initrd
-setenv bootargs_root_sd 'root=/dev/mmcblk1p1'
-setenv bootload_sd 'run set_bootkfile; run bootkload_sd; run set_bootdfile; run bootdload_sd'
-setenv bootcmd_sd 'setenv bootargs ${bootargs_console} ${bootargs_video} ${bootargs_root_sd} ${bootargs_extra}; run bootload_sd; booti ${bootkaddr} - ${bootdaddr}'
-
-# with initrd
-setenv bootargs_root_sdi 'root=/dev/ram0 ramdisk_size=16384'
-setenv bootload_sdi 'run set_bootkfile; run bootkload_sd; run set_bootdfile; run bootdload_sd; run set_bootifile; run bootiload_sd'
-setenv bootcmd_sdi 'setenv bootargs ${bootargs_console} ${bootargs_video} ${bootargs_root_sdi} ${bootargs_extra}; run bootload_sdi; booti ${bootkaddr} ${bootiaddr}:${bootisize} ${bootdaddr}'
-
-################ Netboot through TFTP+NBD ##################
-
-setenv bootkload_net 'tftp ${bootkaddr} ${board}/${bootkfile}'
-setenv bootdload_net 'tftp ${bootdaddr} ${board}/${bootdfile}'
-setenv bootiload_net 'tftp ${bootiaddr} ${board}/${bootifile}'
-
-setenv bootargs_root_net 'root=/dev/ram0 ramdisk_size=16384 ip=dhcp'
-setenv bootload_net 'run set_bootkfile; run bootkload_net; run set_bootdfile; run bootdload_net; run set_bootifile; run bootiload_net'
-
-setenv bootcmd_net 'setenv bootargs ${bootargs_console} ${bootargs_video} ${bootargs_root_net} ${bootargs_extra} nbd.server=${serverip}; run bootload_net; booti ${bootkaddr} ${bootiaddr}:${bootisize} ${bootdaddr}'
-
-