Hi Eddie, > add a simple readme to introduce rockusb and tell people how to use it > > Signed-off-by: Eddie Cai <eddie.cai.li...@gmail.com> > --- > doc/README.rockusb | 35 +++++++++++++++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > create mode 100644 doc/README.rockusb > > diff --git a/doc/README.rockusb b/doc/README.rockusb > new file mode 100644 > index 0000000..13893d9 > --- /dev/null > +++ b/doc/README.rockusb > @@ -0,0 +1,35 @@ > +Rockusb (Rockchip USB protocol) > +===================================================== > + > +Overview > +-------- > + > +Rockusb protocol is widely used with Rockchip devices. > +It can read/write info,
R/W the info is the differentiator here. What kind of information canwe read from the device? Do you plan to add this in the future? Does it allow for reading/writing the RK soc's env variables ? >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 > +is open source, It is maintained by Rockchip. Ok. > + > +Usage > +-------- > +The Usage of Rockusb command is > +rockusb <USB_controller> [<devtype>] <devnum> > +e.g. rockusb 0 mmc 0 > +rockusb 0 usb 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. Then use rkdeveloptool > +sudo rkdeveloptool wl <BeginSec> <File> > +to flash U-Boot image use command > +sudo rkdeveloptool wl 64 <U-Boot binary> Just informative - this could be achieved with UMS command with using dd. > +There are plenty of Rockusb command. but wl(write lba) and > +rd(reboot) command. Reboot is also supported - but there is no unification - though each gadget (thor, dfu, fastboot) > These two command can let people flash > +image to device. IMHO reading images (for backup) would be handy as well. > + > +To do > +----- > +* Fully support Rockusb protocol For me it is OK, to have a minimal subset of commands supported - let's add the very basic support and extend it latter. Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
