OLPC Firmware q7c04

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Summary

Works on XO-4 B1 and later only.

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

• restore boot of legacy Android kernel, that is a kernel in the boot-alt directory without device tree support for dual core,
• add support for display brightness default in manufacturing tag.

Download	q7c04.rom
Build date time	2015-01-30 02:37:20 (UTC)
Source revision	3768
EC version	EC 0.5.01
CForth version	120a08a8
WLAN 8686 version	9.0.7.p2
WLAN 8787 version	14.66.09.p80

Changes

Open Firmware

• 3767 OLPC XO-4 - suppress device tree changes when booting alternate operating system, fixes <trac>12855</trac> with new kernel.
• 3766 OLPC XO-4 - set display brightness to full on old displays, and to closest match on new displays, see <trac>12854</trac>.
• 3765 OLPC - display test, add blue versus red gradient, unused.
• 3764 OLPC XO-4 - mmp3-gic, testing completed, reduce verbosity.

CForth

• 120a08a8 remove Matrix mode on message,
• e232e285 OLPC XO-4 - lower display brightness.

EC

• none

Touchscreen

• none.