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a8a104239182f6732fd77228b2074dac3e7fb16c
build/config/sources/families/include/rockchip64_common.inc
Jesse R Codling a8a1042391 additional commenting on binman-atf-mainline BOOT_SCENARIO
2025-08-06 10:50:55 +02:00

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#
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2013-2023 Igor Pecovnik, igor@armbian.com
#
# This file is a part of the Armbian Build Framework
# https://github.com/armbian/build/
#
enable_extension "rkbin-tools"
ARCH=arm64
OFFSET=16
BOOTSCRIPT='boot-rockchip64.cmd:boot.cmd'
BOOTENV_FILE='rockchip64.txt'
UBOOT_TARGET_MAP=";;idbloader.bin uboot.img trust.bin"
BOOTDELAY=0
OVERLAY_PREFIX="${OVERLAY_PREFIX:-"rockchip"}" # default to 'rockchip' if not set by board
OVERLAY_DIR="/boot/dtb/rockchip/overlay"
# SERIALCON is handled/defaulted in hook post_family_config__900_late_default_serial_console_by_branch at end of this file
GOVERNOR="ondemand"
ATFPATCHDIR='atf-rockchip64'
BOOTPATCHDIR="${BOOTPATCHDIR:-"u-boot-rockchip64"}"
PACKAGE_LIST_FAMILY="ethtool"
RKBIN_DIR="$SRC/cache/sources/rkbin-tools"
# Important, we don't set LINUXFAMILY and LINUXCONFIG -- unless it is current or edge. Specifically, we don't do it for legacy branches, which are used by BOARDFAMILY's other than rockchip64.
case $BRANCH in
current)
declare -g KERNEL_MAJOR_MINOR="6.12"
declare -g LINUXFAMILY=rockchip64
declare -g LINUXCONFIG='linux-rockchip64-'$BRANCH
;;
edge)
declare -g KERNEL_MAJOR_MINOR="6.16"
declare -g LINUXFAMILY=rockchip64
declare -g LINUXCONFIG='linux-rockchip64-'$BRANCH
;;
esac
# rockchip64 (used mainly for RK3399) legacy kernel 4.4 is dead code
# Common variables:
# BOOT_SCENARIO - determines which tpl (ddrbin), spl and ATF combination to use
#
# Different boot scenario can arrange:
# * Phase 1: DDR initialization (proprietary rockchip ddrbin or u-boot TPL)
# * Phase 2: Initial system and clock initialization (proprietary rockchip miniload or u-boot SPL)
# * Phase 3: Arm Trusted Firmware (proprietary rockchip or mainline opensource)
# * Phase 4: u-boot proper is always the mainline one
#
# Available options for BOOT_SCENARIO are:
# - only-blobs: proprietary rockchip ddrbin, miniloader and ATF
# - spl-blobs: proprietary rockchip ddrin and ATF, but uses mainline u-boot SPL in place of rockchip miniloader
# - tpl-spl-blob: uses mainline u-boot TPL and SPL with proprietary rockchip ATF blob
# - tpl-blob-atf-mainline: proprietary rockchip ddrbin + mainline u-boot SPL + mainline ATF
# - blobless: mainline u-boot TPL + mainline u-boot SPL + mainline ATF
# - binman: u-boot builds full boot image from information in device tree. See: https://docs.u-boot.org/en/latest/develop/package/binman.html
# - binman-atf-mainline: u-boot builds full boot image with mainline ATF from information in device tree. See: https://docs.u-boot.org/en/latest/develop/package/binman.html
#BOOT_SOC=`expr $BOOTCONFIG : '.*\(rk[[:digit:]]\+.*\)_.*'`
BOOT_SOC=${BOOT_SOC:=$(expr $BOOTCONFIG : '.*\(rk[[:digit:]]\+.*\)_.*' || true)}
if [[ "a${BOOT_SOC}a" == "aa" ]]; then
if [[ "${BOOTCONFIG}" != "" && "${BOOTCONFIG}" != " none" ]]; then # only warn if BOOTCONFIG set and not 'none'
display_alert "Could not determine BOOT_SOC from BOOTCONFIG" "BOOTCONFIG: '${BOOTCONFIG}'" "warning"
fi
else
display_alert "Determined BOOT_SOC from BOOTCONFIG" "BOOT_SOC: '${BOOT_SOC}'; BOOTCONFIG: '${BOOTCONFIG}'" "info"
fi
CPUMIN=${CPUMIN:="408000"}
# BOOT_SOC_MKIMAGE defaults to BOOT_SOC, but can be overriden. See rk3566
declare -g BOOT_SOC_MKIMAGE="${BOOT_SOC}"
# LOADER_UBOOT_OFFSET defaults to 0x200000, but can be overriden. See rk3308
# It only take effects while $BOOT_SCENARIO == 'only-blobs'
declare -g LOADER_UBOOT_OFFSET="0x200000"
case "$BOOT_SOC" in
rk3308)
CPUMAX=${CPUMAX:="1296000"}
BOOT_SCENARIO="${BOOT_SCENARIO:=only-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk33/rk3308_ddr_589MHz_uart2_m1_v1.30.bin"}"
MINILOADER_BLOB="${MINILOADER_BLOB:-"rk33/rk3308_miniloader_v1.22.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk33/rk3308_bl31_v2.22.elf"}"
LOADER_UBOOT_OFFSET="0x600000" # rk3308 loader has a quirky uboot offset 0x600000
;;
rk3328)
CPUMAX=${CPUMAX:="1296000"}
BOOT_SCENARIO="${BOOT_SCENARIO:=only-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk33/rk3328_ddr_333MHz_v1.16.bin"}"
MINILOADER_BLOB="${MINILOADER_BLOB:-"rk33/rk322xh_miniloader_v2.50.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk33/rk322xh_bl31_v1.44.elf"}"
;;
rk3399)
CPUMAX=${CPUMAX:="2016000"}
BOOT_SCENARIO="${BOOT_SCENARIO:=only-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk33/rk3399_ddr_933MHz_v1.25.bin"}"
MINILOADER_BLOB="${MINILOADER_BLOB:-"rk33/rk3399_miniloader_v1.26.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk33/rk3399_bl31_v1.35.elf"}"
;;
rk3399pro)
CPUMAX=${CPUMAX:="2016000"}
BOOT_SCENARIO="${BOOT_SCENARIO:=only-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk33/rk3399pro_npu_ddr_933MHz_v1.02.bin"}"
MINILOADER_BLOB="${MINILOADER_BLOB:-"rk33/rk3399pro_miniloader_v1.26.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk33/rk3399pro_bl31_v1.35.elf"}"
;;
rk3528)
CPUMAX=${CPUMAX:="2016000"}
BOOT_SCENARIO="${BOOT_SCENARIO:=spl-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk35/rk3528_ddr_1056MHz_v1.09.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk35/rk3528_bl31_v1.17.elf"}"
;;
rk3566)
CPUMAX=${CPUMAX:="1800000"}
BOOT_SCENARIO="${BOOT_SCENARIO:=spl-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk35/rk3566_ddr_1056MHz_v1.21.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk35/rk3568_bl31_v1.44.elf"}"
# ROCKUSB_BLOB is used to flash a board with rkdeveloptool (Linux, can use 'rkdevflash' extension) or RKDevTool (Windows) in MASKROM mode
ROCKUSB_BLOB="rk35/rk356x_spl_loader_v1.21.113.bin"
BOOT_SOC_MKIMAGE="rk3568" # mkimage does not know about rk3566, and rk3568 works.
BOOTENV_FILE='rk35xx.txt'
;;
rk3568)
CPUMAX=${CPUMAX:="1992000"}
BOOT_SCENARIO="${BOOT_SCENARIO:=spl-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk35/rk3568_ddr_1560MHz_v1.21.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk35/rk3568_bl31_v1.44.elf"}"
# ROCKUSB_BLOB is used to flash a board with rkdeveloptool (Linux, can use 'rkdevflash' extension) or RKDevTool (Windows) in MASKROM mode
ROCKUSB_BLOB="rk35/rk356x_spl_loader_v1.21.113.bin"
BOOTENV_FILE='rk35xx.txt'
;;
rk3576)
BOOT_SCENARIO="${BOOT_SCENARIO:=spl-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk35/rk3576_ddr_lp4_2112MHz_lp5_2736MHz_v1.03.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk35/rk3576_bl31_v1.04.elf"}"
;;
rk3588) #CPUMAX undefined?
BOOT_SCENARIO="${BOOT_SCENARIO:=spl-blobs}"
DDR_BLOB="${DDR_BLOB:-"rk35/rk3588_ddr_lp4_2112MHz_lp5_2400MHz_v1.18.bin"}"
BL31_BLOB="${BL31_BLOB:-"rk35/rk3588_bl31_v1.48.elf"}"
# ROCKUSB_BLOB is used to flash a board with rkdeveloptool (Linux, can use 'rkdevflash' extension) or RKDevTool (Windows) in MASKROM mode
ROCKUSB_BLOB="rk35/rk3588_spl_loader_v1.16.113.bin"
BOOTENV_FILE='rk35xx.txt'
;;
esac
prepare_boot_configuration() {
ATFSOURCE=''
ATF_COMPILE='no'
case "$BOOT_SCENARIO" in
blobless | tpl-blob-atf-mainline | binman-atf-mainline)
UBOOT_TARGET_MAP="BL31=bl31.elf idbloader.img u-boot.itb;;idbloader.img u-boot.itb"
ATF_COMPILE=yes
ATFSOURCE='https://github.com/ARM-software/arm-trusted-firmware'
ATF_COMPILER='aarch64-linux-gnu-'
ATFDIR='arm-trusted-firmware'
ATFBRANCH='tag:v2.13.0'
ATF_USE_GCC='> 6.3'
ATF_TARGET_MAP="M0_CROSS_COMPILE=arm-linux-gnueabi- PLAT=$BOOT_SOC bl31;;build/$BOOT_SOC/release/bl31/bl31.elf:bl31.elf"
ATF_TOOLCHAIN2="arm-linux-gnueabi-:< 10.0"
[[ $BOOT_SCENARIO == tpl-blob-atf-mainline ]] &&
UBOOT_TARGET_MAP="BL31=bl31.elf idbloader.img u-boot.itb;;idbloader.img u-boot.itb"
[[ $BOOT_SCENARIO == binman-atf-mainline ]] &&
UBOOT_TARGET_MAP="BL31=bl31.elf;;u-boot-rockchip.bin"
# binman builds do not have separate build targets for idbloader.img and u-boot.itb
;;
tpl-spl-blob)
UBOOT_TARGET_MAP="BL31=$RKBIN_DIR/$BL31_BLOB idbloader.img u-boot.itb;;idbloader.img u-boot.itb"
;;
spl-blobs)
UBOOT_TARGET_MAP="BL31=$RKBIN_DIR/$BL31_BLOB spl/u-boot-spl.bin u-boot.dtb u-boot.itb;;idbloader.img u-boot.itb"
;;
only-blobs)
UBOOT_TARGET_MAP="u-boot-dtb.bin;;idbloader.bin uboot.img trust.bin"
;;
binman)
UBOOT_TARGET_MAP="BL31=$RKBIN_DIR/$BL31_BLOB ROCKCHIP_TPL=$RKBIN_DIR/$DDR_BLOB;;u-boot-rockchip.bin"
;;
esac
if [[ ! -z $BL32_BLOB ]]; then
UBOOT_TARGET_MAP="BL32=$RKBIN_DIR/$BL32_BLOB ${UBOOT_TARGET_MAP}"
fi
if [[ $BOOT_SUPPORT_SPI == yes ]]; then
if [[ "${BOOT_SPI_RKSPI_LOADER:-"no"}" != "yes" ]]; then
UBOOT_TARGET_MAP="${UBOOT_TARGET_MAP} tpl/u-boot-tpl.bin spl/u-boot-spl.bin u-boot.itb rkspi_loader.img"
else
UBOOT_TARGET_MAP="${UBOOT_TARGET_MAP} rkspi_loader.img"
fi
fi
}
uboot_custom_postprocess() {
[[ -z ${BOOT_SOC} ]] &&
exit_with_error "BOOT_SOC not defined for scenario '${BOOT_SCENARIO}' for BOARD'=${BOARD}' and BOOTCONFIG='${BOOTCONFIG}'"
display_alert "${BOARD}" "boots with ${BOOT_SCENARIO} scenario" "info"
case "$BOOT_SCENARIO" in
blobless | tpl-spl-blob | binman*)
# binman-atf-mainline functions the same as original `binman` after build
:
;;
spl-blobs | tpl-blob-atf-mainline)
# Bomb if DDR_BLOB not defined or does not exist
declare SPL_BIN_PATH="${RKBIN_DIR}/${DDR_BLOB}"
[[ -z ${SPL_BIN_PATH} ]] && exit_with_error "DDR_BLOB not defined for scenario ${BOOT_SCENARIO}"
[[ ! -f "${SPL_BIN_PATH}" ]] && exit_with_error "DDR_BLOB ${SPL_BIN_PATH} does not exist for scenario ${BOOT_SCENARIO}"
if [[ "$BOOT_SOC" == "rk3576" ]]; then
display_alert "boot_merger for '${BOOT_SOC}' for scenario ${BOOT_SCENARIO}" "SPL_BIN_PATH: ${SPL_BIN_PATH}" "debug"
RKBOOT_INI_FILE=rk3576.ini
cp $RKBIN_DIR/rk35/RK3576MINIALL.ini $RKBOOT_INI_FILE
sed -i "s|FlashBoost=.*$|FlashBoost=${RKBIN_DIR}/rk35/rk3576_boost_v1.02.bin|g" $RKBOOT_INI_FILE
sed -i "s|Path1=.*rk3576_ddr.*$|Path1=${SPL_BIN_PATH}|g" $RKBOOT_INI_FILE
sed -i "s|Path1=.*rk3576_usbplug.*$|Path1=${RKBIN_DIR}/rk35/rk3576_usbplug_v1.03.bin|g" $RKBOOT_INI_FILE
sed -i "s|FlashData=.*$|FlashData=${SPL_BIN_PATH}|g" $RKBOOT_INI_FILE
sed -i "s|FlashBoot=.*$|FlashBoot=./spl/u-boot-spl.bin|g" $RKBOOT_INI_FILE
sed -i "s|IDB_PATH=.*$|IDB_PATH=idbloader.img|g" $RKBOOT_INI_FILE
run_host_x86_binary_logged $RKBIN_DIR/tools/boot_merger $RKBOOT_INI_FILE
rm -f $RKBOOT_INI_FILE
else
display_alert "mkimage for '${BOOT_SOC}' for scenario ${BOOT_SCENARIO}" "SPL_BIN_PATH: ${SPL_BIN_PATH}" "debug"
run_host_command_logged tools/mkimage -n "${BOOT_SOC_MKIMAGE}" -T rksd -d "${SPL_BIN_PATH}:spl/u-boot-spl.bin" idbloader.img
fi
;;
only-blobs)
local tempfile
tempfile=$(mktemp)
run_host_command_logged tools/mkimage -n "${BOOT_SOC_MKIMAGE}" -T rksd -d $RKBIN_DIR/$DDR_BLOB idbloader.bin
cat $RKBIN_DIR/$MINILOADER_BLOB >> idbloader.bin
run_host_x86_binary_logged $RKBIN_DIR/tools/loaderimage --pack --uboot ./u-boot-dtb.bin uboot.img ${LOADER_UBOOT_OFFSET}
run_host_x86_binary_logged $RKBIN_DIR/tools/trust_merger --replace bl31.elf $RKBIN_DIR/$BL31_BLOB trust.ini
;;
*)
exit_with_error "\"$BOOT_SCENARIO\" is an Unsupported Boot Scenario!"
;;
esac
if [[ $BOOT_SUPPORT_SPI == yes ]]; then
if [[ "${BOOT_SPI_RKSPI_LOADER:-"no"}" == "yes" ]]; then
display_alert "uboot_custom_postprocess (parted) for BOOT_SUPPORT_SPI:${BOOT_SUPPORT_SPI:-"no"} and BOOT_SPI_RKSPI_LOADER=${BOOT_SPI_RKSPI_LOADER:-"no"}" "SPI rkspi_loader.img with GPT" "info"
run_host_command_logged dd if=/dev/zero of=rkspi_loader.img bs=1M count=0 seek=16
run_host_command_logged /sbin/parted -s rkspi_loader.img mklabel gpt
run_host_command_logged /sbin/parted -s rkspi_loader.img unit s mkpart idbloader 64 7167
run_host_command_logged /sbin/parted -s rkspi_loader.img unit s mkpart vnvm 7168 7679
run_host_command_logged /sbin/parted -s rkspi_loader.img unit s mkpart reserved_space 7680 8063
run_host_command_logged /sbin/parted -s rkspi_loader.img unit s mkpart reserved1 8064 8127
run_host_command_logged /sbin/parted -s rkspi_loader.img unit s mkpart uboot_env 8128 8191
run_host_command_logged /sbin/parted -s rkspi_loader.img unit s mkpart reserved2 8192 16383
run_host_command_logged /sbin/parted -s rkspi_loader.img unit s mkpart uboot 16384 32734
run_host_command_logged dd if=idbloader.img of=rkspi_loader.img seek=64 conv=notrunc
run_host_command_logged dd if=u-boot.itb of=rkspi_loader.img seek=16384 conv=notrunc
else
display_alert "uboot_custom_postprocess (mkimage) for BOOT_SUPPORT_SPI:${BOOT_SUPPORT_SPI:-"no"} and BOOT_SPI_RKSPI_LOADER=${BOOT_SPI_RKSPI_LOADER:-"no"}" "SPI rkspi_loader.img" "info"
run_host_command_logged tools/mkimage -n "${BOOT_SOC_MKIMAGE}" -T rkspi -d tpl/u-boot-tpl.bin:spl/u-boot-spl.bin rkspi_tpl_spl.img
run_host_command_logged dd if=/dev/zero of=rkspi_loader.img count=8128 status=none
run_host_command_logged dd if=rkspi_tpl_spl.img of=rkspi_loader.img conv=notrunc status=none
run_host_command_logged dd if=u-boot.itb of=rkspi_loader.img seek=768 conv=notrunc status=none
fi
fi
}
write_uboot_platform() {
# This is run board-side too, so account for the non-existance of run_host_command_logged
local logging_prelude=""
[[ $(type -t run_host_command_logged) == function ]] && logging_prelude="run_host_command_logged"
if [ -f $1/u-boot-rockchip.bin ]; then #"$BOOT_SCENARIO" == "binman" or "binman-atf-mainline"
${logging_prelude} dd if=$1/u-boot-rockchip.bin of=$2 bs=32k seek=1 conv=notrunc status=none
elif [ -f $1/rksd_loader.img ]; then # legacy rk3399 loader
${logging_prelude} dd if=$1/rksd_loader.img of=$2 seek=64 conv=notrunc status=none
elif [[ -f $1/u-boot.itb ]]; then # $BOOT_SCENARIO "blobless" or "tpl-spl-blob"
${logging_prelude} dd if=$1/idbloader.img of=$2 seek=64 conv=notrunc status=none
${logging_prelude} dd if=$1/u-boot.itb of=$2 seek=16384 conv=notrunc status=none
elif [[ -f $1/uboot.img ]]; then # $BOOT_SCENARIO == "only-blobs"
${logging_prelude} dd if=$1/idbloader.bin of=$2 seek=64 conv=notrunc status=none
${logging_prelude} dd if=$1/uboot.img of=$2 seek=16384 conv=notrunc status=none
${logging_prelude} dd if=$1/trust.bin of=$2 seek=24576 conv=notrunc status=none
else
echo "Unsupported u-boot processing configuration!"
exit 1
fi
}
# @TODO: this is not ready for BOOT_SCENARIO=binman yet
write_uboot_platform_mtd() {
FILES=$(find "$1" -maxdepth 1 -type f -name "rkspi_loader*.img")
if [ -z "$FILES" ]; then
echo "No SPI image found."
exit 1
fi
MENU_ITEMS=()
i=1
# Read the files into an array
while IFS= read -r file; do
filename=$(basename "$file")
MENU_ITEMS+=("$i" "$filename" "")
((i++))
done <<< "$FILES"
# If there is only one image, we can skip the dialog
if [[ $i -eq 2 ]]; then
dd if=$1/${MENU_ITEMS[1]} of=$2 conv=notrunc status=none > /dev/null 2>&1
return
fi
[[ -f /etc/armbian-release ]] && source /etc/armbian-release
backtitle="Armbian for $BOARD_NAME install script, https://www.armbian.com"
CHOICE=$(dialog --no-collapse \
--title "armbian-install" \
--backtitle $backtitle \
--radiolist "Choose SPI image:" 0 56 4 \
"${MENU_ITEMS[@]}" \
3>&1 1>&2 2>&3)
if [ $? -eq 0 ]; then
dd if=$1/${MENU_ITEMS[($CHOICE*3)-2]} of=$2 conv=notrunc status=none > /dev/null 2>&1
else
echo "No SPI image chosen."
exit 1
fi
}
setup_write_uboot_platform() {
if grep -q "ubootpart" /proc/cmdline; then
local tmp part dev
tmp=$(cat /proc/cmdline)
tmp="${tmp##*ubootpart=}"
tmp="${tmp%% *}"
[[ -n $tmp ]] && part=$(findfs PARTUUID=$tmp 2> /dev/null)
[[ -n $part ]] && dev=$(lsblk -n -o PKNAME $part 2> /dev/null)
[[ -n $dev ]] && DEVICE="/dev/$dev"
fi
}
family_tweaks() {
if [[ -f $SDCARD/lib/systemd/system/rk3399-bluetooth.service ]]; then
# install and enable Bluetooth
chroot_sdcard_apt_get_install rfkill bluetooth bluez bluez-tools
chroot $SDCARD /bin/bash -c "systemctl --no-reload enable rk3399-bluetooth.service >/dev/null 2>&1"
elif [[ -f $SDCARD/lib/systemd/system/sprd-bluetooth.service ]]; then
# install and enable Bluetooth
chroot_sdcard_apt_get_install rfkill bluetooth bluez bluez-tools
chroot $SDCARD /bin/bash -c "systemctl --no-reload enable sprd-bluetooth.service >/dev/null 2>&1"
fi
}
family_tweaks_bsp() {
if [[ $BOOTCONFIG == *3328* ]] && [[ $BRANCH != legacy ]]; then
mkdir -p "$destination"/etc/X11/xorg.conf.d
cat <<- EOF > "$destination"/etc/X11/xorg.conf.d/02-driver.conf
# set fbdev as default driver.
Section "Device"
Identifier "NOGPU"
Driver "fbdev"
EndSection
EOF
fi
# Graphics and media
mkdir -p $destination/etc/udev/rules.d
cp $SRC/packages/bsp/rk3399/50-mali.rules $destination/etc/udev/rules.d/
cp $SRC/packages/bsp/rk3399/50-rk3399-vpu.rules $destination/etc/udev/rules.d/
mkdir -p $destination/etc/sysfs.d
cp $SRC/packages/bsp/rk3399/20-gpu-governor.conf $destination/etc/sysfs.d/
}
# A late hook to default SERIALCON based on BRANCH; BOARD and hooks (earlier than 900) can set it to override this.
function post_family_config__900_late_default_serial_console_by_branch() {
display_alert "rockchip64_common: defaulting SERIALCON" "initial SERIALCON: '${SERIALCON:-"unset"}'" "debug"
# If already set (by BOARD or hooks/extensions ran before this), keep it.
if [[ -n $SERIALCON ]]; then
display_alert "rockchip64_common: defaulting SERIALCON" "SERIALCON already set to '${SERIALCON}', keeping it." "info"
return 0
fi
case $BRANCH in
legacy | vendor)
display_alert "rockchip64_common: defaulting SERIALCON" "Setting SERIALCON to ttyFIQ0 for BRANCH='${BRANCH}'" "info"
SERIALCON="ttyFIQ0"
;;
*)
display_alert "rockchip64_common: defaulting SERIALCON" "Setting SERIALCON to ttyS2 for BRANCH='${BRANCH}'" "info"
SERIALCON="ttyS2"
;;
esac
display_alert "rockchip64_common: defaulting SERIALCON" "final SERIALCON: '${SERIALCON}' for BRANCH='${BRANCH}'" "debug"
}
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