Openmoko Bug #1252: usb0 no longer comes up if booting with usb plugged in

[Openmoko Public Trac]

#1252: usb0 no longer comes up if booting with usb plugged in
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 Reporter:  mickey at openmoko.org  |        Owner:  tony at openmoko.com
     Type:  defect               |       Status:  reopened         
 Priority:  high                 |    Milestone:                   
Component:  System Software      |      Version:  unspecified      
 Severity:  normal               |   Resolution:                   
 Keywords:                       |     Blocking:                   
Blockedby:                       |  
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Comment(by andy):

 Never mind, resetting either way going through current U-Boot you have a
 50:50 chance to get "insane USB device" mode for the whole of the session.

 Just stick a scope probe on say D+ and keep resetting a couple of seconds
 after the red light flashes briefly, you will see 1ms period spikes on a
 good boot and spamming 6MHz madness on a bad one, with ~50% probability
 per-boot seen here tonight.

 It's a U-Boot issue.

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Ticket URL: <https://docs.openmoko.org/trac/ticket/1252#comment:14>
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