RPi 2 with 7-inch touchscreen.

[Mark R V Murray]

Hi Folks,

I have an RPi2 and I'm having some difficulties with the "official" 7-inch touch-screen: https://www.raspberrypi.org/blog/the-eagerly-awaited-raspberry-pi-display/

I know the touchscreen works, because it works with RaspBian. I can't get any activity out of it with FreeBSD, however.

I'm using FreeBSD-11-CURRENT, and the boot image is based on an 11-CURRENT "official" download, but I added a very recent build of sysutils/u-boot-rpi2.

I can build CURRENT on the machine (using a USB SSD, manually mounted), and I made sure I had the latest RPI2.DTB file in the FAT partition.

The screen stays stubbornly OFF.

Here is the relevant extract of CONFIG.TXT:

hdmi_force_unplug=1
or
hdmi_force_hotplug=1
or
#hdmi_safe=1
or
hdmi_ignore_edid=0xa5000080
hdmi_drive=2
hdmi_group=2
hdmi_mode=28

... and I've tried a couple of combinations of the above with no luck. I can make an HDMI TV work, but not the inbuilt ribbon-cable interface.

I suspect the DTB file as FreeBSD's is much smaller than RaspBian's, but I'm not all that clued in that department.

Has anyone had any better luck than me?

M
--
Mark R V Murray

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