OLPC Firmware q7b16


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OLPC Firmware Release q7b16

Works on XO-4 B1 and later only. Do not use on XO-4 A or other models.

  • new EC firmware with a fallback to bail the processor out of incomplete suspends,
  • fix wakeup issues on 1 GHz and 800 MHz processors,
  • recover from occasional DCON hang during manufacturing tests,
  • a rewrite of the switch tests, requested by Australia,
  • allow telnetd reconnections, for remote diagnosis,
  • debugging; allow go after keyboard interrupt to resume execution.
Download q7b16.rom
Build date time 2013-02-13 22:02:09
Source revision 3549
EC version EC 0.3.12
CForth version c17ebbe0
WLAN 8686 version 9.0.7.p2
WLAN 8787 version 14.66.09.p80


Open Firmware

  • 3548 OLPC - rewrite switch tests for field only, ticket #12514
  • 3547 OLPC XO-4 - EC Code 0.3.12
  • 3546 OLPC - lid and ebook switch tests, move to a common file
  • 3545 OLPC - move some common developer utilities into a single file.
  • 3544 mkdropin - again fix calculation of ending address for reserved area skip, by adding the pad to 4-byte boundary. A build using builder.dic from before svn 3540 had the reserved header exactly at reserved-start. See also svn 1980. Regenerated ARM builder using koji2.laptop.org.
  • 3543 OLPC ARM - dcon, power cycle on hang, fix for ticket #12377.
  • 3542 OLPC - telnetd, allow subsequent reconnections, display IP address of client, suppress 300ms options negotiation allowing to occur during normal mux I/O, also fixes ticket #12539.
  • 3541 core - allow go after keyboard interrupt, to resume execution.
  • 3540 mkdropin - fix calculation of ending address for reserved area skip, occasionally a reserved area began with trailing bytes of the dropin header.


  • mfprtable: rename WLAN_PD to WLAN_WAKE, and set to input on sleep
  • set PJ_FORCE_PCLKON in PMUACC2PJ for static clock change



  • none
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