avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/arch/arm/mach-rockchip/rk3288/Kconfig

@@ -0,0 +1,48 @@
+if ROCKCHIP_RK3288
+
+config TARGET_FIREFLY_RK3288
+	bool "Firefly-RK3288"
+	help
+	  Firefly is a RK3288-based development board with 2 USB ports,
+	  HDMI, VGA, micro-SD card, audio, WiFi  and Gigabit Ethernet, It
+	  also includes on-board eMMC and 1GB of SDRAM. Expansion connectors
+	  provide access to display pins, I2C, SPI, UART and GPIOs.
+
+config TARGET_CHROMEBOOK_JERRY
+	bool "Google/Rockchip Veyron-Jerry Chromebook"
+	help
+	  Jerry is a RK3288-based clamshell device with 2 USB 3.0 ports,
+	  HDMI, an 11.9 inch EDP display, micro-SD card, touchpad and
+	  WiFi. It includes a Chrome OS EC (Cortex-M3) to provide access to
+	  the keyboard and battery functions.
+
+config TARGET_ROCK2
+	bool "Radxa Rock 2"
+	help
+	  Rock 2 is a SOM and base-board combination based on RK3288. It
+	  includes Ethernet, HDMI, 3 USB, micro-SD, audio, SATA, WiFi and
+	  space for a real-time-clock battery. There is also an expansion
+	  interface which provides access to many pins.
+
+config ROCKCHIP_FAST_SPL
+	bool "Change the CPU to full speed in SPL"
+	depends on TARGET_CHROMEBOOK_JERRY
+	help
+	  Some boards want to boot as fast as possible. We can increase the
+	  CPU frequency in SPL if the power supply is configured to the correct
+	  voltage. This option is only available on boards which support it
+	  and have the required PMIC code.
+
+config SYS_SOC
+	default "rockchip"
+
+config SYS_MALLOC_F_LEN
+	default 0x0800
+
+source "board/google/chromebook_jerry/Kconfig"
+
+source "board/firefly/firefly-rk3288/Kconfig"
+
+source "board/radxa/rock2/Kconfig"
+
+endif