#10891 BLOC Future : OFW XO-1.75 - lockdown SPI FLASH writes

[Zarro Boogs per Child]

#10891: OFW XO-1.75 - lockdown SPI FLASH writes
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           Reporter:  wmb at firmworks.com  |       Owner:  wad           
               Type:  task               |      Status:  new           
           Priority:  blocker            |   Milestone:  Future Release
          Component:  hardware           |     Version:  1.75-A3       
         Resolution:                     |    Keywords:                
        Next_action:  design             |    Verified:  0             
Deployment_affected:                     |   Blockedby:                
           Blocking:  10914              |  
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Comment(by wmb at firmworks.com):

 We also need to lock out EC FLASH writes via the EDI interface.  In this
 case we might be able to just block the EDI chip select line or something,
 as, unlike the SPI boot FLASH, there is little need to read the EC code
 after it is write-locked.

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Ticket URL: <http://dev.laptop.org/ticket/10891#comment:4>
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