Rkdeveloptool

Download rkdeveloptool

Get the source code for rkdeveloptool

git clone https://github.com/rockchip-linux/rkdeveloptool.git

 

Build rkdeveloptool

First, install the libusb and udev. In Ubuntu, 

sudo apt-get install libudev-dev libusb-1.0-0-dev

Then 

sudo make && make install

Usage

Support commands

---

Tool Usage ---------------------
Help:             -H
Version:          -V
DownloadBoot:    DB <Loader>
ReadLBA:        RL  <BeginSec> <SectorLen> <File>
WriteLBA:        WL  <BeginSec> <File>
EraseFlash:        EF 
TestDevice:        TD
ResetDevice:    RD [subcode]
ReadFlashID:    RID
ReadFlashInfo:    RFI
ReadChipInfo:    RCI
-------------------------------------------------------

Flash image to target emmc

In order to flash image to target emmc, 

1. Make target  get into rockusb mode;
2. Connect target to Host PC via USB;
3. Write the image to the eMMC with tool command;

• use download boot command to make target init DRAM and run usbplug;

rkdeveloptool db rkxx_loader_vx.xx.bin

• use write lba command to write image to target, this step can be repeat for many times;

rkdeveloptool wl 0x40 idbLoader.img
rkdeveloptool wl 0x4000 uboot.img
rkdeveloptool wl 0x8000 boot.img
rkdeveloptool wl 0x40000 rootfs.img

• use reset device comamnd to reset the target after image write complete

rkdeveloptool rd