[Bug 604] New: DFU at bootdelay conflicts with normal boot nand read

[bugzilla-daemon at bugzilla.openmoko.org]

http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=604

           Summary: DFU at bootdelay conflicts with normal boot nand read
           Product: OpenMoko
           Version: unspecified
          Platform: Neo1973
               URL: http://www.flickr.com/photos/elrond/523490352/
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P3
         Component: u-boot
        AssignedTo: laforge at openmoko.org
        ReportedBy: elrond+bugzilla.openmoko.org at samba-tng.org
                CC: buglog at lists.openmoko.org


I've set bootdelay to something like 7 or 8 seconds, so I don't have to use the
AUX button every time I want to get into u-boot.
This time also allows to fire up dfu and load a new kernel into RAM and boot it
there from u-boot.

Procedures:
1)
  * power Neo on (or reboot)
  * Use dfu-util to download other kernel into RAM, while bootdelay...
  * picocom into u-boot to boot the kernel
    (will fail, as the memory is half overwirrten by the nand read)
2)
  * power Neo on
  * picocom into u-boot to interrupt bootdelay
  * dfu-util
  * picocom again into u-boot
  * boot kernel

(1) gives the error as shown in the pic.
(2) works nicely.

Note1: this bug is a bit related to bug #207.
Note2: I set this bug to minor and lower prio, as a documented (in this bug)
workaround exists.



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