Mity CPU Platforms

09/05/2017

BD 01:59 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MityDSP L138F : The Linux kernel panics

Hi Okan,
Your bootargs tell the kernel to look at the on-board NAND flash for your filesystem. Is this your intent?
The kernel is crashing when it cannot mount the root filesystem on the NAND. Did you flash the filesystem onto t... Bob Duke

OÇ 07:11 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Additional details

I managed to reset the "bootargs" variable by running "flashargs". My current "bootargs" is now "mem=96M console=ttyS1,115200n8 mtdparts=nand:128M(rootfs),-(userfs) root=/dev/mtdblock0 rw,noatime rootfstype=jffs2"
The following is the... Okan Çalış

09/04/2017

OÇ 07:25 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: MityDSP L138F : The Linux kernel panics

Hi, I'm trying to install the Linux kernel provided in the Critical Link MDK; however, after downloading the code to MityDsp and calling the "bootm" command in U-Boot, I get an error message stating that the kernel has panicked.
I suspe... Okan Çalış

08/15/2017

SB 01:57 AM MitySOM-5CSX Altera Cyclone V PCB Development: EMI testing

Has the MitySOM-5CSX ever been involved in EMI testing? I'm getting reports from a customer that there is quite a bit of radiated noise at the DDR3 frequency range. They haven't given the details yet, but it would be great to know if y... Stephen Brown

08/14/2017

AH 02:28 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: Touchscreen is not detected

Hello everyone,
Somehow my OMAP-L138F is not detecting my LCD as touchscreen LCD. I am using NEC_NL4827HC19-05B
and follow the step from here
https://support.criticallink.com/redmine/boards/10/topics/4558
the LCD shows the image,... Andri Haryono

08/08/2017

JC 03:32 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: suggested device tree

Did you try using the earlycon I posted above?
earlycon=omap8250,0x44e09000,115200n8 Jonathan Cormier

TE 02:13 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: suggested device tree

Hi Jon,
I did try the suggestions made, but I wasn't able to make it any further on the issue. We need to evaluate if u-boot is using the correct jump address to boot the kernel, since we never see any kernel output on the serial line... Timothy Entinger

JC 02:05 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: suggested device tree

Hi Timothy, Did you figure this out? Jonathan Cormier