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author | Eddie Cai <eddie.cai.linux@gmail.com> | 2017-12-15 08:17:12 +0800 |
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committer | Marek Vasut <marex@denx.de> | 2018-01-10 11:11:06 +0100 |
commit | 1c977772a68d62bd23ae48fe46d2dcddf89c01c0 (patch) | |
tree | fb46979559f619e26aab7e3ff1216379a94c222d /doc | |
parent | 453c95e01a56c9eb5ac10004e9e5500bfcfa074f (diff) | |
download | u-boot-1c977772a68d62bd23ae48fe46d2dcddf89c01c0.zip u-boot-1c977772a68d62bd23ae48fe46d2dcddf89c01c0.tar.gz u-boot-1c977772a68d62bd23ae48fe46d2dcddf89c01c0.tar.bz2 |
rockchip:usb: add a simple readme for rockusb
add a simple readme to introduce rockusb and tell people how to use it
Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/README.rockusb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/doc/README.rockusb b/doc/README.rockusb new file mode 100644 index 0000000..5405dc4 --- /dev/null +++ b/doc/README.rockusb @@ -0,0 +1,51 @@ +Rockusb (Rockchip USB protocol) +===================================================== + +Overview +-------- + +Rockusb protocol is widely used by Rockchip SoC based devices. It can +read/write info, image to/from devices. This document briefly describes how to +use Rockusb for upgrading firmware (e.g. kernel, u-boot, rootfs, etc.). + +Tools +-------- +There are many tools can support Rockusb protocol. rkdeveloptool +(https://github.com/rockchip-linux/rkdeveloptool) is open source, +It is maintained by Rockchip. People don't want to build from source +can download from here +(https://github.com/rockchip-linux/rkbin/blob/master/tools/rkdeveloptool) + +Usage +-------- +The Usage of Rockusb command is: + +rockusb <USB_controller> <devtype> <dev[:part]> + +e.g. rockusb 0 mmc 0 + +On your U-Boot console, type this command to enter rockusb mode. +On your host PC. use lsusb command. you should see a usb device +using 0x2207 as its USB verdor id. + +for more detail about the rkdeveloptool. please read the usage. + +rkdeveloptool -h + +use rkdeveloptool wl command to write lba. BeginSec is the lba on device +you want to write. + +sudo rkdeveloptool wl <BeginSec> <File> + +to flash U-Boot image use below command. U-Boot binary is made by mkimage. +see doc/README.rockchip for more detail about how to get U-Boot binary. + +sudo rkdeveloptool wl 64 <U-Boot binary> + +There are plenty of Rockusb command. but wl(write lba) and +rd(reboot) command. These two command can let people flash +image to device. + +To do +----- +* Fully support Rockusb protocol |