configs/roc_rk3399_pc: new defconfig

Signed-off-by: Roberto Medina <robertoxmed@gmail.com>
Tested-by: Kilian Zinnecker <kilian.zinnecker@mail.de>
Reviewed-by: Kilian Zinnecker <kilian.zinnecker@mail.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -2577,6 +2577,10 @@ F:	package/mhz/
 N:	Robert Rose <robertroyrose@gmail.com>
 F:	package/grpc/
 
+N:	Roberto Medina <robertoxmed@gmail.com>
+F:	board/firefly/roc-rk3399/
+F:	configs/roc_pc_rk3399_defconfig
+
 N:	Rodrigo Rebello <rprebello@gmail.com>
 F:	package/chocolate-doom/
 F:	package/irssi/

board/firefly/roc-rk3399-pc/extlinux.conf

@@ -0,0 +1,4 @@
+label RK3399RocPC linux
+  kernel /boot/Image
+  devicetree /boot/rk3399-roc-pc.dtb
+  append earlycon=uart8250,mmio32,0xff1a0000 root=/dev/mmcblk0p1 rootwait

board/firefly/roc-rk3399-pc/genimage.cfg

@@ -0,0 +1,22 @@
+image sdcard.img {
+	hdimage {
+	}
+
+	partition u-boot-tpl-spl-dtb {
+		in-partition-table = "no"
+		image = "idbloader.img"
+		offset = 32K
+	}
+
+	partition u-boot-dtb {
+		in-partition-table = "no"
+		image = "u-boot.itb"
+		offset = 8M
+		size = 30M
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+	}
+}

board/firefly/roc-rk3399-pc/post-build.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+BOARD_DIR="$(dirname "$0")"
+
+install -m 0644 -D "$BOARD_DIR"/extlinux.conf "$TARGET_DIR"/boot/extlinux/extlinux.conf

board/firefly/roc-rk3399-pc/readme.txt

@@ -0,0 +1,40 @@
+Libre Computer Board ROC-RK3399-PC
+===================================
+
+Build:
+
+  $ make roc_pc_rk3399_defconfig
+  $ make
+
+Files created in output directory
+=================================
+
+output/images
+
+├── bl31.elf
+├── idbloader.img
+├── Image
+├── rk3399-roc-pc.dtb
+├── rootfs.ext2
+├── rootfs.ext4 -> rootfs.ext2
+├── rootfs.tar
+├── sdcard.img
+├── u-boot.bin
+└── u-boot.itb
+
+Creating bootable SD card:
+==========================
+
+Simply invoke (as root)
+
+sudo dd if=output/images/sdcard.img of=/dev/sdX && sync
+
+Where X is your SD card device
+
+Serial console
+--------------
+
+Baudrate for this board is 1500000
+
+Wiki link:
+https://wiki.amarulasolutions.com/bsp/rockchip/rk3399/roc-rk3399-pc.html

configs/roc_pc_rk3399_defconfig

@@ -0,0 +1,42 @@
+BR2_aarch64=y
+BR2_cortex_a72_a53=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+BR2_TARGET_GENERIC_HOSTNAME="roc-rk3399-pc"
+BR2_TARGET_GENERIC_ISSUE="Welcome to ROC-RK3399-PC!"
+BR2_ROOTFS_POST_BUILD_SCRIPT="board/firefly/roc-rk3399-pc/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/firefly/roc-rk3399-pc/genimage.cfg"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.45"
+BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="rockchip/rk3399-roc-pc"
+BR2_LINUX_KERNEL_INSTALL_TARGET=y
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="100M"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL="https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION="v2.9"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="rk3399"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_IMAGES=""
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_NEEDS_ARM32_TOOLCHAIN=y
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2022.04"
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="roc-pc-rk3399"
+BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
+BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
+BR2_TARGET_UBOOT_NEEDS_ATF_BL31_ELF=y
+BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
+BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot.itb"
+BR2_TARGET_UBOOT_SPL=y
+BR2_TARGET_UBOOT_SPL_NAME="idbloader.img"
+BR2_PACKAGE_HOST_DOSFSTOOLS=y
+BR2_PACKAGE_HOST_GENIMAGE=y
+BR2_PACKAGE_HOST_MTOOLS=y