# Bootscript using the new unified bootcmd handling
#
# Expects to be called with the following environment variables set:
#
#  devtype              e.g. mmc/scsi etc
#  devnum               The device number of the given type
#  bootpart             The partition containing the boot files
#                       (introduced in u-boot mainline 2016.01)
#  prefix               Prefix within the boot partiion to the boot files
#  kernel_addr_r        Address to load the kernel to
#  fdt_addr_r           Address to load the FDT to
#  ramdisk_addr_r       Address to load the initrd to.
#
# The uboot must support the booti and generic filesystem load commands.
#
# After editing make this into 'boot.scr' file with command below
#   mkimage -A arm64 -T script -O linux -n 'boot script' -C none -d boot.txt boot.scr
#

## based on odroid-m1 from ubuntu
setenv board odroidm1
setenv bootargs " ${bootargs} root=UUID=bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb"
setenv overlay_resize 8192
setenv bootlabel "Gentoo SD card EXT4"

setenv console "tty1"
setenv bootargs "${bootargs} pci=nomsi console=tty1"
setenv bootargs "${bootargs} mtdparts=sfc_nor:0x20000@0xe0000(env),0x200000@0x100000(uboot),0x100000@0x300000(splash),0xc00000@0x400000(firmware)"

setenv fk_kvers "4.19.219-arm64"
setenv fdtfile "gentoo.dtb"

if test -z "${distro_bootpart}"; then
  setenv partition ${bootpart}
else
  setenv partition ${distro_bootpart}
fi

load ${devtype} ${devnum}:${partition} ${fdt_addr_r} ${prefix}gentoo.dtb
fdt addr ${fdt_addr_r}

load ${devtype} ${devnum}:${partition} ${ramdisk_addr_r} ${prefix}vmlinuz-${fk_kvers} \
&& unzip ${ramdisk_addr_r} ${kernel_addr_r} \
&& load ${devtype} ${devnum}:${partition} ${ramdisk_addr_r} ${prefix}initramfs-${fk_kvers}.img \
&& echo "Booting Debian ${fk_kvers} from ${devtype} ${devnum}:${partition}..." \
&& booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}