OLPC Firmware q7c02

From OLPC
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
  This page is monitored by the OLPC team.

Summary

Works on XO-4 B1 and later only.

Breaks compatibility with all previous kernels, do not use without clear instructions. A known working kernel can be found here.

  • reduce display noise during diagonal gradient display test,
  • refine dual core kernel support.
Download q7c02.rom
Build date time 2015-01-08 22:16:15 (UTC)
Source revision 3761
EC version EC 0.5.01
CForth version 1c6dcd2
WLAN 8686 version 9.0.7.p2
WLAN 8787 version 14.66.09.p80

Changes

Open Firmware

  • 3760 OLPC XO-4 - dcon-setup, order of register writes found to be important, on affected units in factory. See also r3758. <trac>12852</trac>.
  • 3759 OLPC XO-4 - mmp3-gic, remove IRQ changes to three I2C devices, matching commit 917d648bb by Darshan Prajapati. <trac>12297</trac>.
  • 3758 OLPC XO-4 - dcon-setup, lower drive strength for DETTL clock and data signals. <trac>12852</trac>.
  • 3757 OLPC XO-4 - trim enable-smp based on kernel patch f37e149 on arm-3.5-volansys branch by Darshan Prajapati; remove early initialisation instructions from spin, remove storage LED GPIO set, and don't enable all peripheral clocks. <trac>12297</trac>.

CForth

  • none.

EC

  • none

Touchscreen

  • none.