Re: Meet to hack on new Intel Atom SoC board

Come to BAFUg at the Hacker Dojo

Sent from my iPhone

> On Feb 26, 2016, at 3:51 PM, Lundberg, Johannes <johannes_at_brilliantservice.co.jp> wrote:
> 
> 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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