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Last active December 5, 2022 20:39
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Khadas Vim3 nixos configuration
Raw
_.nix
{...}: {
# Make UART work
boot.kernelParams = [ "console=ttyAML0,115200n8" ];
# No need to override uboot on the sdcard, it is not being used at all
# Instead upgrade it via khadas script, as default version is very old (At least on old vim's, but do it in any case),
# and can't run nixos (something with kernel image loading)
sdImage.populateFirmwareCommands = ''
cp ${./s905_autoscript.cmd} firmware/s905_autoscript.cmd
${pkgs.ubootTools}/bin/mkimage -A arm64 -O linux -T script -C none -a 0 -e 0 -n "S905 autoscript" -d ${./s905_autoscript.cmd} firmware/s905_autoscript
${pkgs.ubootTools}/bin/mkimage -A arm64 -O linux -T script -C none -a 0 -e 0 -n "S905 autoscript" -d ${./s905_autoscript.cmd} firmware/boot.scr
'';
# This firmware is required to make bluetooth/wifi work
hardware.firmware = [
(
let firmwareRepo = pkgs.fetchFromGitHub {
owner = "LibreELEC";
repo = "brcmfmac_sdio-firmware";
rev = "ee28faccfd65c17e1e6afbf103b6a81fa13fe815";
hash = "sha256-10sZyv3mAbCK5MM6lIIhDJPd2oP7ob5q1aUUqwap3FI=";
}; in
pkgs.runCommandNoCC "firmware-wifibt" { } ''
brcm=$out/lib/firmware/brcm
mkdir -p $brcm
cp ${firmwareRepo}/brcmfmac4359-sdio.bin $brcm/
cp ${firmwareRepo}/brcmfmac4359-sdio.khadas,vim3.txt $brcm/
cp ${firmwareRepo}/brcmfmac4359-sdio.txt $brcm/
cp ${firmwareRepo}/BCM4359C0.hcd $brcm/
''
)
];
# Kernel > 5.10 is required, because alsa truncates card name, and this breaks everything
# in later kernel versions sound card name was shortened from G12BKHADASVIM3 to KHADASVIM3
# https://www.spinics.net/lists/arm-kernel/msg865333.html
boot.kernelPackages = pkgs.linuxPackages_latest;
# To load asound.state
sound.enable = true;
# Install default asound.state
system.activationScripts.asound = ''
if [ ! -e "/var/lib/alsa/asound.state" ]; then
mkdir -p /var/lib/alsa
cp ${./asound.state} /var/lib/alsa/asound.state
fi
'';
}
Raw
asound.state
state.KHADASVIM3 {
control.1 {
iface MIXER
name 'TDMOUT_A Lane 0 Volume'
value.0 225
value.1 225
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
}
}
control.2 {
iface MIXER
name 'TDMOUT_A Lane 1 Volume'
value.0 234
value.1 234
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
}
}
control.3 {
iface MIXER
name 'TDMOUT_A Lane 2 Volume'
value.0 204
value.1 204
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
}
}
control.4 {
iface MIXER
name 'TDMOUT_A Lane 3 Volume'
value.0 234
value.1 234
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
}
}
control.5 {
iface MIXER
name 'TDMOUT_A Gain Enable Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.6 {
iface PCM
device 8
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access read
type INTEGER
count 8
range '0 - 36'
}
}
control.7 {
iface PCM
device 8
name 'IEC958 Playback Mask'
value ffffffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
comment {
access read
type IEC958
count 1
}
}
control.8 {
iface PCM
device 8
name 'IEC958 Playback Default'
value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.9 {
iface PCM
device 8
name ELD
value '10000700671200000000000000000000506c1a00334d53383241580907070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read volatile'
type BYTES
count 128
}
}
control.10 {
iface MIXER
name 'FRDDR_A SRC 1 EN Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.11 {
iface MIXER
name 'FRDDR_A SRC 2 EN Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.12 {
iface MIXER
name 'FRDDR_A SRC 3 EN Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.13 {
iface MIXER
name 'FRDDR_A SINK 1 SEL'
value 'OUT 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.14 {
iface MIXER
name 'FRDDR_A SINK 2 SEL'
value 'OUT 3'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.15 {
iface MIXER
name 'FRDDR_A SINK 3 SEL'
value 'OUT 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.16 {
iface MIXER
name 'FRDDR_B SRC 1 EN Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.17 {
iface MIXER
name 'FRDDR_B SRC 2 EN Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.18 {
iface MIXER
name 'FRDDR_B SRC 3 EN Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.19 {
iface MIXER
name 'FRDDR_B SINK 1 SEL'
value 'OUT 3'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.20 {
iface MIXER
name 'FRDDR_B SINK 2 SEL'
value 'OUT 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.21 {
iface MIXER
name 'FRDDR_B SINK 3 SEL'
value 'OUT 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.22 {
iface MIXER
name 'FRDDR_C SRC 1 EN Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.23 {
iface MIXER
name 'FRDDR_C SRC 2 EN Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.24 {
iface MIXER
name 'FRDDR_C SRC 3 EN Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.25 {
iface MIXER
name 'FRDDR_C SINK 1 SEL'
value 'OUT 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.26 {
iface MIXER
name 'FRDDR_C SINK 2 SEL'
value 'OUT 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.27 {
iface MIXER
name 'FRDDR_C SINK 3 SEL'
value 'OUT 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'OUT 0'
item.1 'OUT 1'
item.2 'OUT 2'
item.3 'OUT 3'
item.4 'OUT 4'
item.5 'OUT 5'
item.6 'OUT 6'
item.7 'OUT 7'
}
}
control.28 {
iface MIXER
name 'TODDR_A SRC SEL'
value 'IN 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'IN 0'
item.1 'IN 1'
item.2 'IN 2'
item.3 'IN 3'
item.4 'IN 4'
item.5 'IN 5'
item.6 'IN 6'
item.7 'IN 7'
}
}
control.29 {
iface MIXER
name 'TODDR_B SRC SEL'
value 'IN 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'IN 0'
item.1 'IN 1'
item.2 'IN 2'
item.3 'IN 3'
item.4 'IN 4'
item.5 'IN 5'
item.6 'IN 6'
item.7 'IN 7'
}
}
control.30 {
iface MIXER
name 'TODDR_C SRC SEL'
value 'IN 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'IN 0'
item.1 'IN 1'
item.2 'IN 2'
item.3 'IN 3'
item.4 'IN 4'
item.5 'IN 5'
item.6 'IN 6'
item.7 'IN 7'
}
}
control.31 {
iface MIXER
name 'TOHDMITX I2S SRC'
value 'I2S A'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'I2S A'
item.1 'I2S B'
item.2 'I2S C'
}
}
control.32 {
iface MIXER
name 'TOHDMITX Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.33 {
iface MIXER
name 'TOHDMITX SPDIF SRC'
value 'SPDIF B'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'SPDIF A'
item.1 'SPDIF B'
}
}
control.34 {
iface MIXER
name 'TDMOUT_A SRC SEL'
value 'IN 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'IN 0'
item.1 'IN 1'
item.2 'IN 2'
}
}
control.35 {
iface MIXER
name 'TDMIN_A SRC SEL'
value 'IN 0'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'IN 0'
item.1 'IN 1'
item.2 'IN 2'
item.3 'IN 3'
item.4 'IN 4'
item.5 'IN 5'
item.6 'IN 6'
item.7 'IN 7'
item.8 'IN 8'
item.9 'IN 9'
item.10 'IN 10'
item.11 'IN 11'
item.12 'IN 12'
item.13 'IN 13'
item.14 'IN 14'
item.15 'IN 15'
}
}
}
Raw
s905_autoscript.cmd
echo "Starting S905 autoscript..."
setenv kernel_loadaddr "0x11000000"
setenv dtb_loadaddr "0x1000000"
setenv dtbo_loadaddr "0x5000000"
setenv initrd_loadaddr "0x13000000"
setenv env_loadaddr "0x20000000"
# Detect hardware version
kbi init
kbi hwver
if test "X${lcd_exist}" = "X1"; then
setenv panelargs "panel_exist=${lcd_exist} panel_type=${panel_type}";
fi;
if test "X${fdtfile}" = "Xamlogic/meson-gxl-s905x-khadas-vim.dtb"; then
setenv uboottype "mainline";
setenv khadas_board "VIM1";
setenv overlaydir "kvim";
else if test "X${fdtfile}" = "Xamlogic/meson-gxm-khadas-vim2.dtb"; then
setenv uboottype "mainline";
setenv khadas_board "VIM2";
setenv overlaydir "kvim2";
else if test "X${fdtfile}" = "Xamlogic/meson-g12b-a311d-khadas-vim3.dtb"; then
setenv uboottype "mainline";
setenv khadas_board "VIM3";
setenv overlaydir "kvim3";
else if test "X${fdtfile}" = "Xamlogic/meson-sm1-khadas-vim3l.dtb"; then
setenv uboottype "mainline";
setenv khadas_board "VIM3L";
setenv overlaydir "kvim3l";
else
setenv uboottype "vendor";
if test "X${maxcpus}" = "X4" || test "X${board_defined_bootup}" = "Xbootup_D3"; then
if test "X${board_defined_bootup}" = "Xbootup_D3"; then
setenv khadas_board "VIM3L";
setenv overlaydir "kvim3l";
else
setenv khadas_board "VIM1";
setenv overlaydir "kvim";
fi;
else if test "X${maxcpus}" = "X8"; then
setenv khadas_board "VIM2";
setenv overlaydir "kvim2";
else if test "X${maxcpus}" = "X6"; then
setenv khadas_board "VIM3";
setenv overlaydir "kvim3";
fi;fi;fi;
fi;fi;fi;fi;
echo "uboot type: $uboottype"
if test "X${uboottype}" = "Xmainline"; then
setenv hdmiargs "osd12";
setenv ddr "";
setenv wol "";
setenv rebootmode "";
else
setenv hdmiargs "logo=${display_layer},loaded,${fb_addr},${outputmode} vout=${outputmode},enable"
if env exist ddr_size; then
echo "Found ddr_size: $ddr_size";
setenv ddr "ddr_size=${ddr_size}";
else
setenv ddr "";
fi;
setenv wol "wol_enable=${wol_enable}";
setenv rebootmode "reboot_mode=${reboot_mode}"
fi;
if test "X${autoscript_source}" = "Xmmc"; then
echo "autoscript loaded from: mmc";
setenv devs "mmc";
else if test "X${autoscript_source}" = "Xusb"; then
echo "autoscript loaded from: usb";
setenv devs "usb";
else
setenv devs "mmc usb";
fi;fi;
setenv mmc_devplist "1 5"
setenv mmc_devnums "0 1 2"
setenv usb_devplist "1"
setenv usb_devnums "0 1 2 3"
## First, boot from mmc
## Second, boot from USB storage
for dev in ${devs}; do
if test "X${dev}" = "Xmmc"; then
setenv devplist ${mmc_devplist};
setenv devnums ${mmc_devnums};
else if test "X${dev}" = "Xusb"; then
setenv devplist ${usb_devplist};
setenv devnums ${usb_devnums};
fi;fi;
for dev_num in ${devnums}; do
for distro_bootpart in ${devplist}; do
echo "Scanning ${dev} ${dev_num}:${distro_bootpart}...";
if test "X${distro_bootpart}" = "X5"; then
setenv load_method "ext4load";
setenv mark_prefix "boot";
setenv imagetype "EMMC";
else
setenv load_method "fatload";
setenv mark_prefix "";
if test "X${uboottype}" = "Xvendor"; then
if test "X${dev_num}" = "X0"; then
setenv imagetype "SD-USB";
else
setenv imagetype "EMMC_MBR";
fi;
else
if test "X${dev_num}" = "X1"; then
setenv imagetype "SD-USB";
else
setenv imagetype "EMMC_MBR";
fi;
fi;
fi;
if ${load_method} ${dev} ${dev_num}:${distro_bootpart} ${initrd_loadaddr} uInitrd; then
if ${load_method} ${dev} ${dev_num}:${distro_bootpart} ${kernel_loadaddr} zImage; then
if test -e ${dev} ${dev_num}:${distro_bootpart} ${mark_prefix}/.next; then
# Update dtb load address for mainline kernel
setenv dtb_loadaddr "0x4080000"
setenv dtbo_loadaddr "0x32000000"
fi;
if ${load_method} ${dev} ${dev_num}:${distro_bootpart} ${dtb_loadaddr} dtb.img; then
if ${load_method} ${dev} ${dev_num}:${distro_bootpart} ${env_loadaddr} /boot/env.txt || ${load_method} ${dev} ${dev_num}:${distro_bootpart} ${env_loadaddr} env.txt; then
echo "Import env.txt"; env import -t ${env_loadaddr} ${filesize};
fi;
if test "X${rootdev}" = "X"; then
echo "rootdev is missing! use default: root=LABEL=ROOTFS!";
setenv rootdev "LABEL=ROOTFS";
fi;
if test "X${dev}" = "Xmmc"; then
part uuid mmc ${dev_num}:${distro_bootpart} ubootpartuuid;
if test "X${ubootpartuuid}" = "X"; then
echo "Can not get u-boot part UUID, set to NULL";
setenv ubootpartuuid "NULL";
fi;
else
setenv ubootpartuuid "NULL";
fi;
if test "X${custom_ethmac}" != "X"; then
echo "Found custom ethmac: ${custom_ethmac}, overwrite eth_mac!";
setenv eth_mac ${custom_ethmac};
fi;
if test "X${eth_mac}" = "X" || test "X${eth_mac}" = "X00:00:00:00:00:00"; then
echo "Set default mac address to ethaddr: ${ethaddr}!";
setenv eth_mac ${ethaddr};
setenv saveethmac "save_ethmac=yes";
fi;
if test -e ${dev} ${dev_num}:${distro_bootpart} ${mark_prefix}/.next; then
echo "Booting mainline kernel...";
setenv uart_tty "ttyAML0";
setenv dtb_dir "dtb/amlogic"
# Setup dtb for different HW version
fdt addr ${dtb_loadaddr};
fdt resize 65536;
if test "X${hwver}" = "XVIM1.V14"; then
fdt set /soc/bus@c1100000/i2c@87c0/khadas-mcu@18 hwver "VIM1.V14";
else if test "X${hwver}" = "XVIM2.V14"; then
fdt set /soc/bus@c1100000/i2c@87c0/khadas-mcu@18 hwver "VIM2.V14";
fdt set /gpio-fan status "disabled";
fdt set /fan status "disabled";
else if test "X${hwver}" = "XVIM3.V11" || test "X${hwver}" = "XVIM3.V12"; then
fdt set /soc/bus@ff800000/i2c@5000/khadas-mcu@18 hwver ${hwver};
kbi init;
kbi portmode r;
fdt get value usb2_phy0 /soc/bus@ff600000/phy@36000 phandle;
fdt get value usb2_phy1 /soc/bus@ff600000/phy@3a000 phandle;
fdt get value usb3_pcie_phy /soc/bus@ff600000/phy@46000 phandle;
if test ${port_mode} = 0; then
fdt set /soc/usb@ffe09000 phys <${usb2_phy0} ${usb2_phy1} ${usb3_pcie_phy} 0x00000004>;
fdt set /soc/usb@ffe09000 phy-names "usb2-phy0" "usb2-phy1" "usb3-phy0";
fdt set /soc/pcie@fc000000 status disabled;
else
fdt set /soc/usb@ffe09000 phys <${usb2_phy0} ${usb2_phy1}>;
fdt set /soc/usb@ffe09000 phy-names "usb2-phy0" "usb2-phy1";
fdt set /soc/pcie@fc000000 status okay;
fi;
fi;fi;fi;
else
echo "Booting legacy kernel...";
setenv uart_tty "ttyS0";
setenv dtb_dir "dtb"
# Setup dtb for different HW version
fdt addr ${dtb_loadaddr};
fdt resize 65536;
if test "X${hwver}" = "XVIM1.V14"; then
fdt set /soc/cbus@c1100000/i2c@87c0/khadas-mcu hwver "VIM1.V14";
else if test "X${hwver}" = "XVIM2.V14"; then
fdt set /fan status "disabled";
fdt set /i2c@c11087c0/khadas-mcu hwver "VIM2.V14";
fdt set /soc/cbus@c1100000/i2c@87c0/khadas-mcu hwver "VIM2.V14";
else if test "X${hwver}" = "XVIM3.V11" || test "X${hwver}" = "XVIM3.V12"; then
fdt set /soc/aobus@ff800000/i2c@5000/khadas-mcu hwver ${hwver};
kbi init;
kbi portmode r;
if test ${port_mode} = 0; then
fdt set /usb3phy@ffe09080 portnum <1>;
fdt set /pcieA@fc000000 status disabled;
else
fdt set /usb3phy@ffe09080 portnum <0>;
fdt set /pcieA@fc000000 status okay;
fi;
fi;fi;fi;
if test "X${khadas_board}" = "XVIM3"; then
setenv max_freq "max_freq_a53=${max_freq_a53} max_freq_a73=${max_freq_a73}";
else if test "X${khadas_board}" = "XVIM3L"; then
setenv max_freq "max_freq_a55=${max_freq_a55}";
fi;fi;
fi;
if test "X${enable_splash}" = "Xtrue"; then
setenv loglevel 0;
setenv splashargs "splash quiet plymouth.ignore-serial-consoles vt.handoff=7";
fi;
if test "X${loglevel}" != "X"; then
if test "X${loglevel}" = "X0"; then
setenv kernel_log "loglevel=0";
setenv tty_console "";
else if test "X${loglevel}" = "X1"; then
setenv kernel_log "loglevel=0";
setenv tty_console "console=tty0";
else
setenv tty_console "console=tty0";
fi;fi;
else
setenv tty_console "console=tty0";
fi
setenv condev "console=${uart_tty},115200n8 ${tty_console} no_console_suspend consoleblank=0";
# Device Tree Overlays
if test "X${overlays}" != "X"; then
for overlay in ${overlays}; do
echo Apply dtbo ${overlay}
if ${load_method} ${dev} ${dev_num}:${distro_bootpart} ${dtbo_loadaddr} ${mark_prefix}/${dtb_dir}/overlays/${overlaydir}/${overlay}.dtbo; then
fdt apply ${dtbo_loadaddr}
fi
done
fi
if test "X${imagetype}" = "XEMMC_MBR"; then
echo "Remove eMMC vendor partitions...";
fdt rm /partitions;
fi;
if test "X${uboottype}" != "Xmainline"; then
if test "X${hdmi_autodetect}" != "Xyes"; then
if test "X${hdmi}" = "X"; then
echo "HDMI: 'hdmi' value is missing, set to default value 720p60hz!";
setenv hdmi 720p60hz;
fi;
echo "HDMI: Custom mode: ${hdmi}";
setenv hdmiargs "${hdmiargs} hdmimode=${hdmi}";
else
echo "HDMI: Autodetect: ${hdmimode}";
setenv hdmiargs "${hdmiargs} hdmimode=${hdmimode}";
fi;
fi;
setenv bootargs "root=${rootdev} rootfstype=ext4 rootflags=data=writeback rw ubootpart=${ubootpartuuid} ${condev} ${kernel_log} ${hdmiargs} ${panelargs} fbcon=rotate:${fb_rotate} fsck.repair=yes net.ifnames=0 ${ddr} ${wol} ${max_freq} jtag=disable mac=${eth_mac} ${saveethmac} fan=${fan_mode} khadas_board=${khadas_board} hwver=${hwver} coherent_pool=${dma_size} pci=pcie_bus_perf ${rebootmode} imagetype=${imagetype} uboottype=${uboottype} ${splashargs} ${user_kernel_args}";
booti ${kernel_loadaddr} ${initrd_loadaddr} ${dtb_loadaddr};
fi;
fi;
fi;
done;
done;
done
# Rebuilt
# mkimage -A arm64 -O linux -T script -C none -a 0 -e 0 -n "S905 autoscript" -d /boot/s905_autoscript.cmd /boot/s905_autoscript
# mkimage -A arm64 -O linux -T script -C none -a 0 -e 0 -n "S905 autoscript" -d /boot/s905_autoscript.cmd /boot/boot.scr
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