#9558 NORM 1.5-F11: use "chosen" info from /ofw in order to determine root device (was: F11 XO-1.0 Secure boot is not working)

[Zarro Boogs per Child]

#9558: use "chosen" info from /ofw in order to determine root device
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           Reporter:  ebordon    |       Owner:  dsd          
               Type:  defect     |      Status:  new          
           Priority:  normal     |   Milestone:  1.5-F11      
          Component:  initramfs  |     Version:  not specified
         Resolution:             |    Keywords:               
        Next_action:  code       |    Verified:  0            
Deployment_affected:             |   Blockedby:               
           Blocking:             |  
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Changes (by dsd):

  * owner:  dsaxena => dsd
  * next_action:  never set => code
  * component:  kernel => initramfs
  * milestone:  Not Triaged => 1.5-F11


Comment:

 We need to use ofw's "chosen" info to determine the root device. (Perhaps
 only if root= is not specified?)

 This will help booting from internal vs external SD. It will also be
 required for secure boot where no root= kernel parameter is passed.

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Ticket URL: <http://dev.laptop.org/ticket/9558#comment:2>
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