Mity CPU Platforms

09/15/2015

03:49 PM MitySOM-5CSX Altera Cyclone V PCB Development: Write Protect for Non-Volatile NOR Flash

I have a requirement for locking write access to the Non-volatile memory via a hardware pin. I noticed that the NOR ... Mike Cherny

09/14/2015

10:40 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Open Embedded build error

Matt,
The mityomapl138 repo was never made public. However the source is included in the MDK. The mityomapl138 p... Jonathan Cormier

09/11/2015

02:57 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Open Embedded build error

Kevin Robertson wrote:
> Hi,
>
> Was there a resolution to this problem - I'm having the same problem.
>
> Is... Matt Spinola

09/03/2015

11:55 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

My mistake... misstyped MLO load addresses (0x4000 instead of 0x40000).
Started over an loaded everything from the... Mary Frantz

10:03 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

Mary Frantz wrote:
> So, of course, after reloading MLO and u-boot.img to get the console log....it boots from NAND.... Jonathan Cormier

09:58 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

Ran the same commands on our board and was able to boot from nand. Note that I didn't boot from UART but this shouldn... Jonathan Cormier

09:48 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

So, of course, after reloading MLO and u-boot.img to get the console log....it boots from NAND.
Mary Frantz

09:30 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

See attached console log file.
Yes. I did the following:... Mary Frantz

08:58 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

Right, I forgot that they were inverted.
I'm not seeing anything wrong in what you posted, could you provide the c... Jonathan Cormier

08:53 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

From that page:... Mary Frantz

09/02/2015

02:15 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

Try the boot cfg mentioned here: https://support.criticallink.com/redmine/projects/armc8-platforms/wiki/UBIFS_Nand_Bo... Jonathan Cormier

02:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

I recompiled mtd-utils and made a ubi.img.
Also recompiled u-boot to get u-boot-spl.bin from u-boot-2013.10
Boo... Mary Frantz

09/01/2015

02:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

Here is a copy of instructions from the 1GB part. I'm going to copy it for the other parts as well.
*Note*: The "... Jonathan Cormier

01:54 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

I downloaded the base rfs from the Files tab. Ran the following:... Mary Frantz

12:17 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: Create ubifs

Hi Mary,
The exported root filesystem is the contents of the rootfs partition on your SD card. If you mount your S... Bob Duke

12:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: Create ubifs

I need to create a ubifs. Our product will not have a SD card interface, so first article booting will have to be ov... Mary Frantz

09:27 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: NAND Flash reading problem

You are right one of the EMIFA pins was used as a FPGA IO, after replacing this pin everything works as expected.
Th... Ahmed Shaaban

07:27 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: NAND Flash reading problem

And of course, one workaround might be to load the ARM application into memory from NAND first, then configure the FP... Michael Williamson

07:26 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: NAND Flash reading problem

If the FPGA is loading properly and you are floating the unused pins, then the bitstream generation settings are prob... Michael Williamson

07:21 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: NAND Flash reading problem

Hi Mike,
I had made what you said (sets all unused I/O pins to float), but I still have the same problem.
I have tr... Ahmed Shaaban

07:13 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM - ECC: uncorrectable

Thanks. This has fixed this problem. Angelos Spanos

08/31/2015

09:11 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM - ECC: uncorrectable

I tried to be as explicit as possible but the following error "Critical Link: Error u-boot compiled for large page na... Jonathan Cormier

07:11 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: NAND Flash reading problem

Hi Ahmed,
Sounds like the loaded FPGA is causing NAND read issues? Have you checked your FPGA image and made sure... Michael Williamson

06:33 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: NAND Flash reading problem

Thanks Mike,
you are right i don't have to overwrite RAM contents so I modified the u-boot commands to be as the fol... Ahmed Shaaban

08/30/2015

09:20 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: NAND Flash reading problem

Why are you running "mw.b 0xc2000000 0xFF 0x400000" as part of your load? You are going to overwrite that RAM you ju... Michael Williamson

08:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: NAND Flash reading problem

Hi everyone,
I'm working on MityARM 1808F.
I have two images: SYS/BIOS image and FPGA image. After some suggestions... Ahmed Shaaban

08/28/2015

10:01 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Real time SATA writes

This problem was resolved by using a SLC SSD drive instead of MLC. The write times on the SLC are much lower. Mary Frantz

05:55 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM - ECC: uncorrectable

The bootlog is this:... Angelos Spanos

08/27/2015

01:20 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: MityARM - ECC: uncorrectable

Which module do you have?
What u-boot version are you using? Can you provide the bootlog from power on till you get ... Jonathan Cormier

12:02 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: MityARM - ECC: uncorrectable

Hi,
I have a MityARM card.
I try to flash the NAND memory according to the guidelines that are given for the Mi... Angelos Spanos