New board: Merrii M2 (A20)

[Marcos Cruz]

Hi, 

    This is a digital signage board based on A20 SoC, here the website: 

http://www.merrii.com/en/detail.asp?id=157

    I managed to modify and install the Cubian distribution to function on it but 

I'm having problems with its VGA and HDMI outputs (no signal).

    The file dmesg_output contains the kernel output.

    What is curious about the board is I had to modify script.fex file in order to make 

the built in rtl8188etv operational but with the Android that comes pre-installed everything works.

    Have anyone any idea about the VGA and HDMI outputs?

Regards,

Marcos

[Luc Verhaegen]

Please work through our http://linux-sunxi.org/New_Device_howto fully.

Luc Verhaegen.

[abel...@rioservice.com]

Hi,

I bought two of these boards and am trying to make them work with Linux. Did you copy the modified u-boot into the Nand or are you booting the system from the SD Card ?

Did you changed anything on the kernel/root file system ? What about the drivers ? Is everything working fine (SATA, USB, Ethernet, WIFI/BT, etc) ?

Regards,

Antonio Belloni

[Luc Verhaegen]

http://linux-sunxi.org/index.php?search=merrii says: "There were no
results matching the query." Same thing for:
http://linux-sunxi.org/index.php?search=m2

I think http://linux-sunxi.org/New_Device_howto has been thrown in
already.

Let me paste some excerpts:

> "I don't care about any of this, make my device work."
>
> Linux-sunxi is a community, and it is mostly peoples spare time that
> is sunk into it. Only very few people here work for hardware
> manufacturers. So no-one here has an obligation to help you.
>
> By not working through this guide, you effectively tell the people
> behind sunxi that they should waste their time on helping you, and
> only you, and that you will then plan to run off without giving even a
> tiny bit of time back. Why would anyone then spend their time helping
> you?

NDH, or you're on your own.

Luc Verhaegen.

[abel...@rioservice.com]

Hi Marcos,

I get my boards booting with a Linaro and with HDMI output. I think that the problem is in your FEX file configuration. You have configured the output type to LCD and not HDMI.

Change the values of the following parameters to the values below, regenerated your script.bin and try again :

[disp_init]

disp_init_enable = 1

disp_mode = 0

screen0_output_type = 3

screen0_output_mode = 4

screen1_output_type = 0

screen1_output_mode = 4

Reference : http://linux-sunxi.org/Fex_Guide#disp_init_configuration

Now I am working on the ethernet and SATA drivers.

Regards,

Antonio Belloni

Em sexta-feira, 14 de fevereiro de 2014 16h00min39s UTC-2, Marcos Cruz escreveu:

[Hans de Goede]

Hi,

On 02/14/2014 07:00 PM, Marcos Cruz wrote:
> Hi,
>
>
> This is a digital signage board based on A20 SoC, here the website:
> http://www.merrii.com/en/detail.asp?id=157

I've Applied the fex file and u-boot patches.

Thanks,

Hans

[Neal Peacock]

Quick tangent, what's NDH stand for? 

Thanks

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[Ian Campbell]

New Device HOWTO on the wiki.

[jonint...@gmail.com]

On Monday, May 19, 2014 3:33:12 AM UTC+9:30, npeacock wrote:
> Quick tangent, what's NDH stand for? 
>

I really don't want to sound rude but I believe its No Dick Head
don't worry about it some people are a touch caught up in their own world looking forward to where this goes my M2 just turned up today (hoping to resurrect an LG42 inch with a faulty main board with this)

[Julian Calaby]

Hi,

On Tue, Aug 5, 2014 at 11:01 PM, <jonint...@gmail.com> wrote:
> On Monday, May 19, 2014 3:33:12 AM UTC+9:30, npeacock wrote:
>> Quick tangent, what's NDH stand for?
>>
>
> I really don't want to sound rude but I believe its No Dick Head

It stands for New Device Howto, it's here:
http://linux-sunxi.org/New_Device_howto

Allwinner chips make it into a lot of different devices with a lot of
different configurations. We can't help you that much unless we know
what that configuration and device are. (It also means that
potentially useful device config stuff doesn't get lost in some random
person's personal copy of the source trees.) Completing that helps us
help you, keeps that config and device stuff in one central location
and is a simple way to give back to our community here.

Thanks,

--
Julian Calaby

Email: julian...@gmail.com
Profile: http://www.google.com/profiles/julian.calaby/
.Plan: http://sites.google.com/site/juliancalaby/

[harry]

Hi Antonio,
are you able to get the SATA and ETHERNET working on this board?? can you please send some information on this. i shall be thankful.
regards
harry

[Fabiano Kist]

Hi Harry,

For me, work this: 

rmmod sunxi_gmac.ko   and

insmod sunxi_emac.ko

Regards,

Fabiano.

[zaus...@gmail.com]

Hi Marcos,
we are struggling with Merrii M2 board, and we have managed to install a debian to boot from SD, but we are not able to power up the usb hub, neither the rtl8188etv that is also connected to an usb as well.
We have been playing with fex file, and even trying to do some electrical reverse engineering to the board (We have found a transistor that should power the 5V power to usb hub and sata power connector with a 20 GPIO pin, but we have no clue about which A20 GPIO should commute it).
Could you please give us more info about the changes you made on the FEX to activate the rtl8188etv, and with which (a link will be very wellcome) kernel an config has you installed the cubian.
Thnak you in advanced.
Kind regards.

[Zausan Innovación Tecnológica]

Hi Antonio,
Do you have power on the M2 USB?, could you please upload a working SD image for M2?
Thank you in advanced.
Regards.
Jorge Pérez.

[mahdi Chi]

I work on Merri M2 and manage to build Linux for it.

when i power up board with USB OTG it boot good.

but when i power up the board with 12 v power socket it reboot repeatedly.

do you have any advice to solve this problem?

[Carlos Calzada Grau]

Hello, we are working on Merrii M2 too and the board works perfectly with 12V, we have the last sunxi-linux and a debian on the SD, I can send you an image if you want to test it.... On the other hand, do yo have power on the USBs and SATA? we have power booting with android but no power with sunxi-linux 

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C/ 9 de Octubre, 82 1ª Planta despacho 6.
46520. Puerto de Sagunto, Valencia.

[mahdi Chi]

Hello Calzada,

thank for your answer.

when power the board with 12 V, in android every thing is ok, there is 5 v on SATA and USBs, 

but in linux there's not 5v in SATA and USBs power and in kernel booting after 10 second it reboot.

this is link for my image, https://www.mediafire.com/folder/ur6fie0k2h1k3/r1.4

please send your image, 

thanks.

[rahul....@gmail.com]

Hi can you provide SDK or android source code for Merrii M2 (A20) board?

[Simos Xenitellis]

On Wed, Nov 26, 2014 at 11:25 AM, <rahul....@gmail.com> wrote:

> Can you provide android SDK for Merrie M2(A20) board??
>

See http://bbs.merrii.com/en/viewtopic.php?f=15&t=2078
It might be relevant to the M2. You can make requests on the forum
there and the admin often responds.

Simos

[Rahul Dhobi]

Its for hummingbird board not for M2 board

[milad.hab...@gmail.com]

Hey Guys. I Know there is many difficulties to fine images of these chines boards. after all i found a good source and here it is.it's a chinese file server:
http://yunpan.cn/Q7zgjRvu6epgi
and the password is 5851
but i found that it's better to download files one by one. in this mode download speed is maximum ;). just go inside the M2 folder and download files.
after all it's China :D.

Best Reg.
Milad habibi
milad.hab...@gmail.com
miladhabibi.epage.ir

[Carlos Calzada Grau]

thanks.... we'll try

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[Jorge Pérez Zausan]

Basura cósmica, es el sdk de siempre

[Milad Habibi]

hey jorge

sorry i cant understand spanish.

whats the matter about sdk?