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

06/24/2014

05:19 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

That is what I'm suggesting. You can verify if this is the issue by running the 'nand dump' or 'nand read' command a... Jonathan Cormier

05:07 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

So let me try and clarify the issue. We have been running our u-boot for about 10 months with no issues. Are you sugg... Anonymous

04:56 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

Those ecc errors are coming from reading the environment from nand. If I remember correctly the older u-boot saved t... Jonathan Cormier

04:49 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

No nevermind, thats not correct. You do have a 256MB nand module. So the first u-boot should be correct. Jonathan Cormier

04:47 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

U-Boot mainline:
origin/u-boot-2013.10: d35e05656457c2d3715de8c3eb7c777375c160ae
u-boot config: mityarm335x_4kpag... Jonathan Cormier

04:46 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

Woops hangon didn't notice that you had a 3352 module. They have a larger nand and require a special u-boot build. Jonathan Cormier

04:40 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

Hey Jonathan,
Something is very unhappy. Here is the boot:
CCCCCCCC
U-Boot SPL 2013.10-gd35e056 (Jun 03 2014 ... Anonymous

04:28 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

There was a bug with the older u-boot where ecc was not enabled when the UBL loaded the u-boot image. This meant tha... Jonathan Cormier

04:22 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

Here is the boot sequence:
----------------------------------------------------------------
U-Boot# CCCCCCCC
U-Boo... Anonymous

04:14 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

John,
What version of U-boot are you using? If you can include the full bootlog that would be helpful. Jonathan Cormier

03:59 PM Software Development: RE: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

As added information, the mtest command works.
Commands that *do* work:
mtest 402fffe0 402ffffe A5A500FF
mtest 8... Anonymous

03:24 PM Software Development: MityARM335x profile 1 - Model No: 3352-GX-X27-RC failing memory writes in u-boot

We just received one of our units back from the field and it hangs running a "mw.b" command in the u-boot param scrip... Anonymous