Hi Stephen, > On 06/02/2014 12:14 AM, Lukasz Majewski wrote: > > Hi Stephen, > > > >> On 05/30/2014 02:28 AM, Lukasz Majewski wrote: > >> ... > >>> I've tested if raw u-boot can be downloaded and uploaded via DFU. > >>> The u-boot size is 1MiB precisely. > >>> > >>> Corresponding dfu_alt_info entry: > >>> "u-boot raw 0x80 0x800;" \ > >> ... > >>> 2. Upload (raw): > >>> > >>> dfu-util -a0 -U u-boot-mmc.bin_target > >>> It exits immediately and I can only see the file size of 0. > >>> > >>> So obviously we have regression here. However, since I didn't > >>> covered this case in my tests I don't know when it was broken. > >> > >> Hmmm. I tested with that exact value of dfu_alt_info and got back > >> an exactly 1MB file with either the dfu-util packaged in Ubuntu > >> 12.10, or with the latest git tree of dfu-util. > > > > Could you share the exact SHA1 of the dfu-util? Or is it the master > > newest branch? > > Distro package: > dfu-util package 0.5-1 in Ubuntu 12.04. > > In the git tree: > 25c173e3fd0a dfu_prefix: Rewrite handling of prefix requirements > (which was origin/master when I fetched it a week or two ago)
I've updated the dfu-util to be the newest master. commit fc81c6cc4eba30eaadf0010deb3d38f3be93ecd1 Author: Michael Grzeschik <m...@pengutronix.de> Date: Tue May 13 23:55:21 2014 +0200 I still read only zero length file: lukma@AMDC2363:~/work/u-boot-denx(master)$ dfu-util -a0 -U u-boot-mmc.bin_read dfu-util 0.7 Copyright 2005-2008 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2012 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to dfu-u...@lists.gnumonks.org Opening DFU capable USB device... ID 04e8:6601 Run-time device DFU version 0110 Claiming USB DFU Interface... Setting Alternate Setting #0 ... Determining device status: state = dfuIDLE, status = 0 dfuIDLE, continuing DFU mode device DFU version 0110 Device returned transfer size 4096 Copying data from DFU device to PC Upload [ ] 0% 0 bytes Failed. Regarding settings, I assume that they should not be changed, since downloading the same data works. I will look into that. -- Best regards, Lukasz Majewski Samsung R&D Institute Poland (SRPOL) | Linux Platform Group _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot