[Arm-netbook] SHIPPING!: EOMA-68 Micro Engineering Boards

[Christopher]

On Aug 9, 2013, at 11:11 AM, "luke.leighton" <luke.leighton at gmail.com> wrote:

> On Fri, Aug 9, 2013 at 2:04 PM, luke.leighton <luke.leighton at gmail.com> wrote:
>> On Fri, Aug 9, 2013 at 3:33 AM, Christopher Thomas
>> <christopher at firemothindustries.com> wrote:
>>> Looking at the A10/A20 schematics for the RTL8201CP, has the EthPHY
>>> interface been tested via a conventional 10/100 RJ45 w/ external transformer
>>> and circuit?
>> 
>> noooO.... because the MEB _is_ the test board :)

I have an idea, is the schematic of the A10 board on the rhombus tech site current and correct in regards to the 68pin connector and rtl8201cp? I can try doing a deadbug wiring to the amphenol connector, with the correct fex/config loaded. 

>> 
>>> Also, comparing the script.FEX files of other A10 boards with the RTL8201CP
>>> vs the eoma68A10 and A20, they are missing EMAC_POWER and EMAC_LINK, not
>> 
>> the RTL8201CP is always powered-up.  EMAC_LINK.... ahh... frickin
>> 'ell, don't tell me that's a hard-wire to notify that the link is up.
> 
> whew it's not.
> 
>> 
>>> Researching this further... On the EOMA A20 Fex, PB11 is not assigned to
>>> anything, yet on my working Hackberry, it's assigned to EMAC_LINK.
> 
> ... whatever that is.  i'm going to need to see schematics of the
> hackberry in order to ascertain what that's about.  i looked at the
> cubieboard, it doesn't appear to have EMAC_POWER or EMAC_LINK.

Strange. Although I don't think the schematics for the hackberry are available as its not officially the "hackberry". It was something something - TV101, a mele1000 semi-clone. 

> 
> https://github.com/linux-sunxi/sunxi-boards/blob/master/sys_config/a10/cubieboard.fex


> 
> *curious*

Indeed. So your biggest issue is a lack of power at the rj45? If I'm not mistaken, you should be getting 1.6ish to 2.4ish volts. 

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