projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c977772 EC |
1 | Rockusb (Rockchip USB protocol) |
| 2 | ===================================================== | |
| 3 | ||
| 4 | Overview | |
| 5 | -------- | |
| 6 | ||
| 7 | Rockusb protocol is widely used by Rockchip SoC based devices. It can | |
| 8 | read/write info, image to/from devices. This document briefly describes how to | |
| 9 | use Rockusb for upgrading firmware (e.g. kernel, u-boot, rootfs, etc.). | |
| 10 | ||
| 11 | Tools | |
| 12 | -------- | |
| 13 | There are many tools can support Rockusb protocol. rkdeveloptool | |
| 14 | (https://github.com/rockchip-linux/rkdeveloptool) is open source, | |
| 15 | It is maintained by Rockchip. People don't want to build from source | |
| 16 | can download from here | |
| 17 | (https://github.com/rockchip-linux/rkbin/blob/master/tools/rkdeveloptool) | |
| 18 | ||
| 19 | Usage | |
| 20 | -------- | |
| 21 | The Usage of Rockusb command is: | |
| 22 | ||
| 23 | rockusb <USB_controller> <devtype> <dev[:part]> | |
| 24 | ||
| 25 | e.g. rockusb 0 mmc 0 | |
| 26 | ||
| 27 | On your U-Boot console, type this command to enter rockusb mode. | |
| 28 | On your host PC. use lsusb command. you should see a usb device | |
| 29 | using 0x2207 as its USB verdor id. | |
| 30 | ||
| 31 | for more detail about the rkdeveloptool. please read the usage. | |
| 32 | ||
| 33 | rkdeveloptool -h | |
| 34 | ||
| 35 | use rkdeveloptool wl command to write lba. BeginSec is the lba on device | |
| 36 | you want to write. | |
| 37 | ||
| 38 | sudo rkdeveloptool wl <BeginSec> <File> | |
| 39 | ||
| 40 | to flash U-Boot image use below command. U-Boot binary is made by mkimage. | |
| 41 | see doc/README.rockchip for more detail about how to get U-Boot binary. | |
| 42 | ||
| 43 | sudo rkdeveloptool wl 64 <U-Boot binary> | |
| 44 | ||
| 45 | There are plenty of Rockusb command. but wl(write lba) and | |
| 46 | rd(reboot) command. These two command can let people flash | |
| 47 | image to device. | |
| 48 | ||
| 49 | To do | |
| 50 | ----- | |
| 51 | * Fully support Rockusb protocol |