For Windows host: Open RKDevTool and you would see the device is in Found One MASKROM Device.Īlternatively, if you are running Android and can access ADB, you can reboot the device to loader mode `adb reboot bootloader` then use the rkdeveloptool to reset the device into maskrom mode `rkdeveloptool rd 3` or Windows AndroidTool Switch button to go to maskrom mode.For Linux host: lsusb result: Bus 001 Device 112: ID 2207:330c Fuzhou Rockchip Electronics Company.For macOS host: lsusb result: Bus 000 Device 004: ID 2207:330c Fuzhou Rockchip Electronics Co., Ltd.Confirm that ROCK Pi 4 is in Maskrom mode. Power on the board and release the maskrom key(important) Press and hold the Maskrom key if your board is Plus version with soldered eMMC (1: Reset 2: Maskrom 3: Recovery) Plug the USB Male A to Male A cable to ROCK Pi 4 OTG port(the upper USB3 port), the other side to PC Insert removable eMMC module ( Skip this when there in one eMMC on board)

Short-circuit SPI Nor Flash if there is one SPI Nor Flash on board. To boot ROCK Pi 4 into maskrom mode is simple: Please check this guide, Install rockchip flash tools, rkdeveloptool/RKDevTool, under Windows/Linux/MacOS PC. USB Male A to Male A cable(important) USB C to USB A cable does not working on all PCs. Fuzhou Rockchip Driver On Your High performance dedicated 2D processor Quad-core Mali-400 GPU, supporting OpenGL ES 1.1/2.0 and OpenVG 1.1, up to 600Mhz 28nm HKMG process with low leakage and high performance Quad-core Cortex-A9 processor with up to 1.We use tool rkdeveloptool in Linux/macOS and RKDevTool tool under Windows.

The Linux/macOS PC tool we use to communicate with ROCK Pi 4 in Maskrom mode are the rkdeveloptool and RKDevTool. ROCK Pi 4 supports Maskrom mode, which is a special operation mode for CPU to wait for USB OTG port command. cpufreq-dt for socs with a single cluster, the bL-thing for socs with multiple clusters.

1 Install image to eMMC from USB OTG port So we could do something similar, move the cpufreq from mach-rockchip to the clock drivers and register the appropriate cpufreq-driver for each soc.

So it looks like the device is beeing recoginzed but im doing something wrong.įirst of all it would be cool to dump the Firmware to have an backup of the device. Read capability quit, creating comm object failed! Parameter of command is invalid, please check help! I am able to connect the device in MASK ROM MODE to my Computer (Linux and Windows available).ĭevNo=1 Vid=0x2207,Pid=0x320c,LocationID=101 Maskrom Im pretty new to the RK scene so i would like to get some help from you guys ^^. It has offices in Shanghai, Beijing, Shenzhen, Hangzhou and Hong Kong. Rockchip has been providing SoC products for tablets & PCs, streaming media TV boxes, AI audio & vision, IoT hardware since founded in 2001. I wanted to try to dump or flash a new firmware but i failed. Rockchip (Fuzhou Rockchip Electronics Co., Ltd.) is a Chinese fabless semiconductor company based in Fuzhou, Fujian province.

Fuzhou rockchip driver