#
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2013-2025 Igor Pecovnik, igor@armbian.com
#
# This file is a part of the Armbian Build Framework
# https://github.com/armbian/build/
#

#
# RV1106 family: includes Rockchip RV1103 and RV1106 SoCs.
# This family is optimized for low-memory (64-256MB).
#
enable_extension "rkbin-tools"

# BOOT_SOC has to be set in the board configuration file; if not set
# we resort to rv1106
BOOT_SOC=${BOOT_SOC:="rv1106"}

ARCH=armhf
BOOTDELAY=1
SERIALCON="ttyFIQ0"
RKBIN_DIR="$SRC/cache/sources/rkbin-tools"
SRC_EXTLINUX="yes"
# Bootargs:
# cma=0 -- disable CMA allocations (used by video / ipc) to save memory
# video=off -- disable video subsystem to save memory
# udev.children-max=1 -- limit number of udev child processes to save memory early in boot
# console=ttyFIQ0,115200n8 -- set console to FIQ0 serial port at 115200 baud
SRC_CMDLINE="cma=0 video=off udev.children-max=1 console=ttyFIQ0,115200n8"
OVERLAY_PREFIX="rv1106"
OFFSET=16
SPL_FIT_GENERATOR="arch/arm/mach-rockchip/make_fit_optee.sh"
UBOOT_TARGET_MAP="spl/u-boot-spl.bin u-boot.dtb u-boot-nodtb.bin;;download.bin idblock.img u-boot.itb"
BOOTSOURCE="https://github.com/radxa/u-boot.git"
BOOTBRANCH="branch:next-dev-buildroot"
BOOTPATCHDIR="legacy/u-boot-rockchip-buildroot"
BOOTDIR="u-boot-rockchip"

# Set defaults based on BOOT_SOC (overridable in board config)
if [[ "$BOOT_SOC" == "rv1103" ]]; then
    DDR_BLOB="${DDR_BLOB:-"rv11/rv1103b_ddr_924MHz_v1.05.bin"}"
    TEE_BLOB="${TEE_BLOB:-"rv11/rv1103b_tee_ta_v1.03.bin"}"
    USBPLUG_BLOB="${USBPLUG_BLOB:-"rv11/rv1103b_usbplug_v1.00.bin"}"
elif [[ "$BOOT_SOC" == "rv1106" ]]; then
    DDR_BLOB="${DDR_BLOB:-"rv11/rv1106_ddr_924MHz_v1.15.bin"}"
    TEE_BLOB="${TEE_BLOB:-"rv11/rv1106_tee_ta_v1.13.bin"}"
    USBPLUG_BLOB="${USBPLUG_BLOB:-"rv11/rv1106_usbplug_v1.09.bin"}"
else
    display_alert "$BOARD" "Unknown BOOT_SOC: ${BOOT_SOC} in rockchip-rv1106 family" "error"
    exit 1
fi


case $BRANCH in

	vendor)

		declare -g KERNEL_MAJOR_MINOR="6.1" # Major and minor versions of this kernel.
		KERNELSOURCE='https://github.com/armbian/linux-rockchip.git'
		KERNELBRANCH='branch:rk-6.1-rkr5.1'
		KERNELPATCHDIR='rv1106-vendor-6.1'
		KERNEL_BTF="no"
		;;

esac

function post_config_uboot_target__downgrade_gcc_errors_to_warnings() {

    declare -i gcc_major_version=0
    gcc_major_version=$(gcc -dumpversion | cut -d. -f1)
    display_alert "$BOARD" "GCC major version: ${gcc_major_version}" "debug"

    # Rockchip/Radxa U-Boot won't build with GCC 13 due to enum-int-mismatch
    if [[ ${gcc_major_version} -ge 13 ]]; then
        display_alert "$BOARD" "Adding extra CFLAGS to fix vendor U-Boot building with GCC 13+" "info"
        uboot_cflags_array+=("-Wno-error=enum-int-mismatch")
    fi

    return 0
}

function pre_config_uboot_target__copy_tee() {

    # Makefiles expect 'tee.bin' in the uboot build directory
    display_alert "Copy TEE blob" "info"
    run_host_command_logged cp ${RKBIN_DIR}/${TEE_BLOB} tee.bin

    return 0
}

uboot_custom_postprocess() {

    display_alert "Generate u-boot.its" "info"
    run_host_command_logged $SPL_FIT_GENERATOR -t 0x03d00000 -c lzma > u-boot.its

    display_alert "Generate u-boot.itb" "info"
    # Remove uboot-generated itb if exists
    rm -f u-boot.itb
    run_host_command_logged tools/mkimage -f u-boot.its -E u-boot.itb

    display_alert "Generate idblock.img with u-boot SPL" "debug"
    RKBOOT_INI_FILE=rv1106.ini
    cp $RKBIN_DIR/rv11/RV1106MINIALL.ini $RKBOOT_INI_FILE
    sed -i "s|Path1=.*rv1106_ddr.*$|Path1=${RKBIN_DIR}/${DDR_BLOB}|g" $RKBOOT_INI_FILE
    sed -i "s|Path1=.*rv1106_usbplug.*$|Path1=${RKBIN_DIR}/${USBPLUG_BLOB}|g" $RKBOOT_INI_FILE
    sed -i "s|FlashData=.*$|FlashData=${RKBIN_DIR}/${DDR_BLOB}|g" $RKBOOT_INI_FILE
    sed -i "s|FlashBoot=.*$|FlashBoot=./spl/u-boot-spl.bin|g" $RKBOOT_INI_FILE
    sed -i "s|PATH=.*$|PATH=download.bin|g" $RKBOOT_INI_FILE
    sed -i "s|IDB_PATH=.*$|IDB_PATH=idblock.img|g" $RKBOOT_INI_FILE
    run_host_x86_binary_logged $RKBIN_DIR/tools/boot_merger $RKBOOT_INI_FILE
    rm -f $RKBOOT_INI_FILE
}

# Note that write_uboot_platform() is also used to install
# the bootloader in the proper place during live systems upgrade.
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"

    ${logging_prelude} dd if=$1/idblock.img of=$2 bs=512 seek=$((0x40)) conv=notrunc status=none
    ${logging_prelude} dd if=$1/u-boot.itb of=$2 bs=512 seek=$((0x440)) conv=notrunc status=none
}

family_tweaks() {

	# Create gpio and i2c groups on the build rootfs; they are matched against
	# udev rules to allow non-root user access to these resources
	chroot_sdcard addgroup --system --quiet --gid 900 gpio
	chroot_sdcard addgroup --system --quiet --gid 901 i2c

	return 0

}

family_tweaks_bsp() {
	mkdir -p $destination/etc/udev/rules.d
	mkdir -p $destination/usr/local/bin

	# Peripheral access for specific groups
	cp $SRC/packages/bsp/rockchip/70-gpio.rules $destination/etc/udev/rules.d
	cp $SRC/packages/bsp/rockchip/71-i2c.rules $destination/etc/udev/rules.d

	# Sound
	cp $SRC/packages/bsp/rockchip/asound.conf $destination/etc/

	# AP6330 (BCM4330) firmware initramfs hook for in-kernel btbcm driver
	if [[ "$INSTALL_ARMBIAN_FIRMWARE" == "yes" ]]; then
		mkdir -p $destination/etc/initramfs-tools/hooks
		install -m 550 $SRC/packages/bsp/rockchip/ap6330-initramfs-firmware $destination/etc/initramfs-tools/hooks
	fi

	return 0 # exit with success
}