[U-Boot] dfu: using dfu-util -l shows different output

Pantelis Antoniou panto at antoniou-consulting.com
Tue Jun 25 10:16:26 CEST 2013


Heiko,

I don't think the gadget is initialized before you issue
a dfu call.

So that makes sense.

Let's wait until Tom wakes up and have an authoritative answer.

Regards

-- Pantelis

On Jun 25, 2013, at 11:08 AM, Heiko Schocher wrote:

> Hello,
> 
> using "dfu-util -l" shows different output connecting to
> an am335x based board and using dfu_nand.c with current
> u-boot:
> 
> after resetting the board I get:
> 
> # dfu-util -l
> dfu-util 0.5
> 
> (C) 2005-2008 by Weston Schmidt, Harald Welte and OpenMoko Inc.
> (C) 2010-2011 Tormod Volden (DfuSe support)
> This program is Free Software and has ABSOLUTELY NO WARRANTY
> 
> dfu-util does currently only support DFU version 1.0
> 
> Found Runtime: [0525:bd00] devnum=0, cfg=2, intf=0, alt=0, name="Device Firmware Upgrade"
> #
> 
> after a dfu transfer I see:
> 
> # dfu-util -l
> dfu-util 0.5
> 
> (C) 2005-2008 by Weston Schmidt, Harald Welte and OpenMoko Inc.
> (C) 2010-2011 Tormod Volden (DfuSe support)
> This program is Free Software and has ABSOLUTELY NO WARRANTY
> 
> dfu-util does currently only support DFU version 1.0
> 
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=0, name="SPL"
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=1, name="SPL.backup1"
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=2, name="SPL.backup2"
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=3, name="SPL.backup3"
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=4, name="u-boot"
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=5, name="kernel_a"
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=6, name="kernel_b"
> Found DFU: [0525:bd00] devnum=0, cfg=2, intf=0, alt=7, name="rootfs"
> #
> 
> Which I expected  ...
> 
> U-Boot environment variable:
> 
> U-Boot# print dfu_alt_info
> dfu_alt_info=SPL part 0 1;SPL.backup1 part 0 2;SPL.backup2 part 0 3;SPL.backup3 part 0 4;u-boot part 0 5;kernel_a part 0 7;kernel_b part 0 8;rootfs
> part 0 10
> U-Boot#
> 
> Is this a bug or a feature?
> 
> bye,
> Heiko
> -- 
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany



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