Mity CPU Platforms » MitySOM-335x (ARM Cortex-A8 Based Products)

10/26/2012

07:40 PM PCB Development: RE: Recommended PHY for RGMII

At the moment, this part does not appear to be obsolete, but Digikey is dropping it.
we are discussing an alternat... Michael Williamson

06:50 PM Software Development: RE: DMTimer running slowly for StarterWare

John
The board directory is right at the top level of the git tree
Here's a link to the mityarm directory in gitweb... Tim Iskander

04:12 PM Software Development: RE: DMTimer running slowly for StarterWare

Ok,
This will sound dumb, but where in the git tree is the board directory?
Thanks... Anonymous

01:35 PM Software Development: RE: DMTimer running slowly for StarterWare

John
The vast majority of changes made for the cl 3359 board are in the board/cl/mityarm335x
(I'm going by memory, ... Tim Iskander

01:32 PM Software Development: RE: DMTimer running slowly for StarterWare

Pretty much, the only files in u-Boot that we've authored are in the board/cl directory of the u-Boot tree on our git... Michael Williamson

01:10 PM Software Development: RE: DMTimer running slowly for StarterWare

Hey Mike,
The reason I was looking at u-boot was that the reset value of that register is zero and Starte... Anonymous

12:32 PM Software Development: RE: DMTimer running slowly for StarterWare

Hi John,
A large chunk of the u-Boot code was derived from TI's u-Boot from their EVM PSP version 4.06.00.03.
I... Michael Williamson

10:58 AM Software Development: RE: DMTimer running slowly for StarterWare

It appears that u-boot is setting the Prescaler enable bit (bit 5) of DMTimer2 timer control register (TLCR, offset 0... Anonymous

01:58 PM Software Development: RE: RTC linux driver used MityARM 335x?

It may be possible to battery back it with proper commands to the PMIC, let me check in on this...
-Mike
Michael Williamson

01:56 PM Software Development: RE: RTC linux driver used MityARM 335x?

Thanks for the info!
Looks like I can just use the StarterWare RTC code for this then. Already working.
I see ... Anonymous

08:47 AM PCB Development: RE: Is VIO_3P3 NC?

IN confirming the information in this post I noticed that the 80-000458RC-3 A schematic is not linked correctly on th... Mark Kraft

10/25/2012

09:40 PM Software Development: RE: RTC linux driver used MityARM 335x?

Wanted to comment here.
There is an on-board 32KHz clock that is fed first to the TPS65910. The TPS65910 then forw... Michael Williamson

08:33 PM Software Development: RE: RTC linux driver used MityARM 335x?

Ed
Actually, the code in the linux tree on our git repository is for the on-board RTC (drivers/rtc/rtc-omap.c). We a... Tim Iskander

05:08 PM Software Development: RTC linux driver used MityARM 335x?

Hi,
I'd like to find out which driver code is used for the MityARM 335x RTC. I believe the supplied linux uses th... Anonymous

08:53 AM PCB Development: RE: Recommended PHY for RGMII

Hi Mike,
Just wanted to follow up on status of obsolescence.
Thanks Mark Kraft

10/23/2012

05:26 PM PCB Development: RE: Is VIO_3P3 NC?

VIO_3P3 is switched on by the SOM after the core voltages to the AM335X are enabled. VIO_3P3 should also be used for... Michael Williamson

03:22 PM PCB Development: Is VIO_3P3 NC?

Is VIO_3P3 (pins 21, 23, 25 & 27) NC on the MityARM 3359? Looks like all 4 are tied together but are no-connect. Is... Joel Meltzer

10/22/2012

04:19 PM Software Development: RE: DMTimer running slowly for StarterWare

Mike,
I have compared the BeagleBoard boot settings compared to where u-boot leaves you when the kernel is abou... Anonymous

12:07 PM Software Development: RE: Flashing NAND from SD Card

Tim, we are also interested in utilizing the ubifs support on the 335x series and wonder if there has been any progre... Kjell Erickson

10/18/2012

01:01 PM Software Development: RE: DMTimer running slowly for StarterWare

Hi Mike,
I'm hoping to find the PLL/init code in the Linux kernel. Can I ask you once I have the kernel tree... Anonymous

12:31 PM Software Development: RE: DMTimer running slowly for StarterWare

The source tree for the dev kit is available on a local git tree, see "this page":http://support.criticallink.com/red... Michael Williamson

10:57 AM Software Development: DMTimer running slowly for StarterWare

Hi,
We are running the MityArm board under TI's StarterWare (we stop the u-boot process from loading the linu... Anonymous

10/12/2012

11:10 AM PCB Development: RE: Recommended PHY for RGMII

Here is our source for the Vitesse part. We are checking on status of the part for obsolescence.
http://wpgnet.wp... Michael Williamson

08:49 AM PCB Development: RE: Recommended PHY for RGMII

I understand. Thanks Mike.
I will look into the use of MMC, there appears to be some advantages. On top of all th... Mark Kraft

08:33 AM PCB Development: RE: Recommended PHY for RGMII

We have / are considering I2C0, but it would be a functional change compared to our currently fielded modules as woul... Michael Williamson

08:10 AM PCB Development: RE: Recommended PHY for RGMII

My design will use the MityArm3359 to replace a module recently obsoleted by another manufacturer. I have a limited t... Mark Kraft

10/11/2012

08:18 PM PCB Development: RE: Recommended PHY for RGMII

Hi Mark,
We just kitted a build for DevKits and were able to get the VSC8601 less than a week ago, however I do se... Michael Williamson

04:55 PM PCB Development: Recommended PHY for RGMII

I have recently begun a design-in of the 3359 module to an existing product. I am at a point where I will address the... Mark Kraft

11:10 AM PCB Development: RE: Evaluation kit schematic - as Design reference

Thanks Mark Kraft

10:30 AM PCB Development: RE: Evaluation kit schematic - as Design reference

Did you find the schematics for the DevKit board? They are posted "here":http://support.criticallink.com/redmine/proj... Michael Williamson

09:14 AM PCB Development: Evaluation kit schematic - as Design reference

Hi,
I have just begun implementing the 3359 module into an existing design, to replace another manufactures obsole... Mark Kraft

10/04/2012

09:11 AM Software Development: RE: Ethernet Interface to Micrel KSZ9021 PHY.

Hi Raja,
I don't think we've used this PHY with the MityARM-3359 here, but we have had problems strapping this dev... Michael Williamson

10/03/2012

03:31 PM Software Development: Ethernet Interface to Micrel KSZ9021 PHY.

Hi,
We are using MityARM SOM and MICREL KSZ9021RNI gigabit as PHY on it for Ethernet Interface.
We have configure... Raja Vankam

10/01/2012

12:22 PM PCB Development: RE: Caution on MityARM SO-DIMM PCB Footprint

Mark,
Thank you for pointing out that lack of information. It has now been addressed and the design guide has been... Alexander Block

07:40 AM PCB Development: RE: Ethernet PHYs

Hi Mark,
I don't see a way around this at the moment. It does indeed look like you need to use the Gigabit Phy in... Michael Williamson

09/30/2012

05:34 PM PCB Development: RE: Ethernet PHYs

Hi Mark,
You are correct about the PR1_MII* signals, according to this E2E post, sorry about that.
http://e2e.t... Michael Williamson

09/28/2012

11:57 AM PCB Development: RE: Ethernet PHYs

Hi Mike,
The interfaces we definitely need out of the 335x are a 16 bit GPMC (to FPGA), 1 Ethernet (10/100 is fine... Anonymous

09:35 AM PCB Development: RE: Ethernet PHYs

What other peripherals are you trying to accommodate? At a glance it looks like the pin outs should support RMII0 on... Michael Williamson

08:49 AM PCB Development: Ethernet PHYs

Please correct me if I'm wrong, but it appears the pin-muxing configuration for the MityARM-335x SOM is forcing the u... Anonymous

08:26 AM PCB Development: Caution on MityARM SO-DIMM PCB Footprint

The PCB footprint found in section 6.5 of the MityARM-335x Carrier Board Design Guide can be misleading if you are no... Anonymous