Mity CPU Platforms » MitySOM-5CSX Altera Cyclone V

01/13/2019

SA 09:55 PM Software Development: RGMII pad skew on KSZ9031

We've got a custom board which is based on CriticalLink's baseboard. The PHY is the 9031. Try as we might to maintain the integrity of the RGMII signals on the PCB it seems the only way to get Gigabit working is to tweak the pad skew reg... Shane Avery

01/03/2019

MJ 01:35 PM Software Development: RE: MitySOM-5CSX read-only Linux

Thanks a lot Mike.
That does seem to setup the filesystem as read-only, and is quite a simple solution.
Mathew Jones

01/02/2019

VJ 09:19 AM Software Development: Duplicated name warnings

Hi
After updating my dts/dtb file I have an issue with the device tree generation. When booting the board I get a lot of these messages: V J

VJ 08:27 AM Software Development: RE: LinuxPTP: 1PPS output is running at 0.1Hz

Theses issues are related to the stmmac driver.
See user forum: https://sourceforge.net/p/linuxptp/mailman/linuxptp-users/ for details.
Vidar V J

12/20/2018

MF 03:23 PM Software Development: RE: MitySOM-5CSX read-only Linux

Hi Mathew,
What you're describing sounds like filesystem corruption. If you have a read/write filesystem that you power-cycle over and over they eventually get corrupt.
This is why using a read-only filesystem is preferred.
I'm n... Mike Fiorenza

12/18/2018

MJ 03:26 PM Software Development: MitySOM-5CSX read-only Linux

Hi,
We're running everything from SD card, all based on the original image for the dev kit with some kernel mods (Linux 3.16.0 kernel).
This works well for us except that we have experienced 3 failures (out of about 25) during develo... Mathew Jones