Mity CPU Platforms

09/07/2023

03:04 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: RE: Error building kernel and rootfs on host having Ubuntu 23.04 with docker

The fix for this was pushed to the meta-mitysom dunfell branch last friday. Please let me know if you are still seei... Jonathan Cormier

02:18 PM MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P Software Development: Error building kernel and rootfs on host having Ubuntu 23.04 with docker

(posted on behalf of customer)
We were trying to develop environment for Kernel and Rootfs development using fol... Thomas Catalino

08/31/2023

12:16 AM MityDSP-L138 (ARM9 Based Platforms) PCB Development: RE: MityDSP-L138F Boot issue, I2C0

Hi JC,
The low level boot software (first stage, user boot loader, UBL) reads the EEPROM on the I2C0 bus to determ... Michael Williamson

08/30/2023

10:16 PM MityDSP-L138 (ARM9 Based Platforms) PCB Development: MityDSP-L138F Boot issue, I2C0

I'm an electrical engineer working on the design of a system using the MityDSP SoM - in particular, the L138-FI-325-R... Jon Cox

08/15/2023

08:49 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Mitysom a10s does not start under U-Boot 2021.04

Hi Dmitry,
The REFCLK_GXBL_ signals are AC coupled to the PLL chip, so the common mode
should be less of an issue... Michael Williamson

07:50 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Mitysom a10s does not start under U-Boot 2021.04

Hi, Dan
I found discrepancy:
In Arria 10 and SI5338 datasheets voltage values are significantly different.
May b... Dmitry Kolotsei

07:38 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi, Mike
I found than dedicated pins i2cemac2 were not configured well.
After fix this I saw the correct status 0... Dmitry Kolotsei

08/10/2023

09:54 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi Dmitry,
Have you modified the HPS pin configuration from the reference project?
We are wondering if the I2C ... Michael Williamson

03:22 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Thank you, Mike.
I will wait.
Additional info.
During the while cycle i2c status is 0x00.
Br, Dmitry
Dmitry Kolotsei

02:55 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi Dmitry,
I see your request. I am consulting with some engineers here to figure out what is going on.
When I... Michael Williamson

02:35 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi, Mike
I found the reason why PLL is not configured.
UBoot did not get access to I2C bus. The bus id busy.
I... Dmitry Kolotsei

08/09/2023

04:12 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Dmitry Kolotsei wrote in message#6457:
> Hi Mike
>
> Thank you for help. I has some progress!!!
> I was in proje... Dmitry Kolotsei

03:42 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

"Make clean" does not clear everything to repeat "make uboot". What to do?
I found make scrub_clean
Dmitry Kolotsei

03:26 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi, Mike
And further. I'm not very good in make.
"Make clean" does not clear everything to repeat "make uboot". W... Dmitry Kolotsei

02:49 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi Mike
Thank you for help. I has some progress!!!
I was in project folder, but Makefile was absent in it.
I got... Dmitry Kolotsei

01:15 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi Dmitry,
Try to CD into your software/bootloader directory and just run:
make TGZ=uboot-socfpga.tar.gz SOCFPGA_... Daniel Vincelette

01:08 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi, Mike
Thank you for reply.
I did the instruction https://support.criticallink.com/redmine/projects/mitysom_a... Dmitry Kolotsei

11:44 AM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi Dmitry,
mitysom_a10s_dsc_defconfig
Follow these instructions when using Quartus 18.0.
https://support.cri... Michael Williamson

11:07 AM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Which default config I need to use?
Dmitry Kolotsei

10:46 AM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi, Dan
I got dtb from working SDcard image.
I using mitysom_a10 branch for UBoot compilation.
I prepared .confi... Dmitry Kolotsei