#11228 NORM 1.75-fi: XO-1.75 OpenFirmware write protect SPI FLASH on secure startup

Zarro Boogs per Child bugtracker at laptop.org
Sat Sep 10 03:56:12 EDT 2011


#11228: XO-1.75 OpenFirmware write protect SPI FLASH on secure startup
---------------------------------+------------------------------------------
 Reporter:  Quozl                |                 Owner:  Quozl               
     Type:  task                 |                Status:  new                 
 Priority:  normal               |             Milestone:  1.75-firmware       
Component:  ofw - open firmware  |               Version:  Development firmware
 Keywords:                       |           Next_action:  design              
 Verified:  0                    |   Deployment_affected:                      
Blockedby:                       |              Blocking:                      
---------------------------------+------------------------------------------
 Recipe for preventing ''flash'' command:

 {{{
 init-spi wakeup-spi-flash
 9c spi-write-status  d# 20 ms  \ abort expected
 d# 73 gpio-set  1 ms  d# 73 gpio-clr
 [[ spi-read-status ]] .  \ yields 9c
 ofw
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/11228>
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