Meet to hack on new Intel Atom SoC board

Hi

My three boards from UP has arrived. At last, an Intel based small sized
dev board!
http://up-shop.org/


This is an early developer version board with the new super low power 14nm
x5-Z8300 CPU (CherryTrail) with 16GB eMMC and 1GB RAM (a bit different from
the specs of the final version).

Any kernel hackers in the Bay Area (south of San Francisco) who are
interested to get together next week and get FreeBSD running on it? (Pizza
on me :)

I can also lend a couple of boards to anyone who wants to continue hacking
after the meeting.


What I've done so far
- Running from USB memstick. Need to disable uart.1 or boot halts.
- Started working on sdhci_acpi driver
https://github.com/yohanesu75/freebsd/blob/sdhci-acpi-mmccampatch/sys/dev/sdhci/sdhci_acpi.c

which requires this patch
https://reviews.freebsd.org/D4761 (mmc on cam)
and is a work in progress and I'm kind of stuck because I don't know how to
do the IO port stuff so that the card can be detected..

(There is a BIOS option to run the SDHCI controller on PCI bus but it fails
to detect the eMMC memory. I think Intel (SD?|GP?)IO ports are required for
this which will be added support for in the D4761 patch.)

Working (out of the box - haven't tested everything)
- HDMI output
- Realtek GB Ethernet
- USB 2.0

Top priority would be to get eMMC storage working (on top of cam/mmc).
Other goals:
- Working GPIO
- Writing device drivers for SoC components like the ISP and on-board
chips.
- Hardware graphics rendering
- Power consumption optimizations

Have a nice weekend!
Johannes

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