uboot.env.txt

# generic params
bootdelay=3
stderr=serial,lcd
stdin=serial,usbkbd
stdout=serial,lcd

# CPU config
cpu=armv8
smp=on

# Console config
baudrate=115200
sttyconsole=ttyS0
ttyconsole=tty0

# Kernel/firmware/dtb filenames & load addresses
atf_load_addr=0x08400000
atf_file=optee.bin
boot_it=booti ${kernel_addr_r} - ${fdt_addr_r}
fdt_addr_r=0x1700000
fdtfile=bcm2710-rpi-3-b.dtb
filesize=5a65c
initrd_high=ffffffff
kernel_addr_r=0x10000000

# NFS/TFTP boot configuraton
gatewayip=192.168.1.1
netmask=255.255.255.0
tftpserverip=192.168.1.5
nfspath=/opt/linaro/nfs

# bootcmd & bootargs configuration
preboot=usb start
bootcmd=run mmcboot
load_dtb=fatload mmc 0:1 ${fdt_addr_r} ${fdtfile}
load_firmware=fatload mmc 0:1 ${atf_load_addr} ${atf_file}
load_kernel=fatload mmc 0:1 ${kernel_addr_r} Image
mmcboot=run load_kernel; run load_dtb; run load_firmware; run set_bootargs_tty set_bootargs_mmc set_common_args; run boot_it
nfsboot=usb start; dhcp ${kernel_addr_r} ${tftpserverip}:Image; dhcp ${fdt_addr_r} ${tftpserverip}:${fdtfile}; dhcp ${atf_load_addr} ${tftpserverip}:${atf_file}; run set_bootargs_tty set_bootargs_nfs set_common_args; run boot_it
set_bootargs_tty=setenv bootargs console=${ttyconsole} console=${sttyconsole},${baudrate}
set_bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs rw rootfstype=nfs nfsroot=${tftpserverip}:${nfspath},udp,vers=3 ip=dhcp
set_bootargs_mmc=setenv bootargs ${bootargs} root=/dev/mmcblk0p2 rw rootfs=ext4
set_common_args=setenv bootargs ${bootargs} smsc95xx.macaddr=${ethaddr} 'ignore_loglevel dma.dmachans=0x7f35 rootwait 8250.nr_uarts=1 elevator=deadline fsck.repair=yes bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080 vc_mem.mem_base=0x3dc00000 vc_mem.mem_size=0x3f000000'