Mity CPU Platforms

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

08/08/2023

06:32 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi Dmitry,
I believe the DTS is auto generated for u-boot from the quartus tools. I think the bsp-editor is what g... Daniel Vincelette

04:37 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi, Dan
Thank you for reply.
Can I use DTS as in attachment for "mitysom_a1" branch? I get him from ArrowElectron... Dmitry Kolotsei

02:17 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Replacement UBoot 2014.10 on 2021.04

Hi Dmitry,
The ADRV9009 demo was built using quartus 18.0 and using uboot 2014.10. Critical Link has a uboot 2014.... Daniel Vincelette

12:43 PM MitySOM-A10S Altera Arria 10 Software Development: Replacement UBoot 2014.10 on 2021.04

Hi All
I have working FPGA project based on https://github.com/ArrowElectronics/arrow-adi-intel-psg/wiki/ADRV9009-... Dmitry Kolotsei

11:26 AM MitySOM-A10S Altera Arria 10 Software Development: RE: Mitysom a10s does not start under U-Boot 2021.04

Hi, Dan
It is my debug project
Br, Dmitry Dmitry Kolotsei

08/07/2023

02:53 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Mitysom a10s does not start under U-Boot 2021.04

Hi Dmitry,
You're "After correction.jpg" looks to be correct. Have you also checked if U15 CLK1 behaves the same w... Daniel Vincelette

08/05/2023

04:10 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Mitysom a10s does not start under U-Boot 2021.04

Hi, Dan
I returned to start Mitysom project downloaded from git.
After first compilation I see inconsistency betw... Dmitry Kolotsei

08/04/2023

05:42 PM MitySOM-A10S Altera Arria 10 Software Development: RE: Mitysom a10s does not start under U-Boot 2021.04

Hi Dmitry,
Your pin out and clock project look to be correct. If you're seeing clocks on the output of U15 then I... Daniel Vincelette