OLPC Firmware q7c02

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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.