Mity CPU Platforms

01/30/2015

10:35 PM MityDSP-L138 (ARM9 Based Platforms) PCB Development: RE: MityARM-1808F SATA connection problem

The SW developer told me the kernel version is 2.6.34
Does that affect the quality of link? Jun Mo

07:42 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: Very high TX packet loss on gigabit Ethernet

Hi Chris,
We've had this module deployed on a couple of different designs as well as the DevKits and I don't think... Michael Williamson

02:54 AM MitySOM-5CSX Altera Cyclone V Software Development: Very high TX packet loss on gigabit Ethernet

Hi,
I've been having trouble getting gigabit Ethernet working on a MitySOM-5CSX dev kit using a preloader, u-boot an... Chris Weinman

01/26/2015

03:28 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: U-boot not bringing Linux kernel up correctly

Hi Chris,
We've also just recently found that that commit is causing troubles for our 5CSX dev kit as well. It app... Daniel Vincelette

01/23/2015

04:21 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: U-boot not bringing Linux kernel up correctly

OK, problem commit seems to be 938156 (http://support.criticallink.com/gitweb/?p=u-boot-socfpga.git;a=commit;h=938156... Chris Weinman

03:21 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

Hi mike
your are rigth. I tried it before the
map= (int *)(mmap(0,MAPPED_SIZE,PROT_READ|PROT_WRITE,MAP_SHARED... stefan nielsen

01/22/2015

07:26 PM MitySOM-5CSX Altera Cyclone V Software Development: RE: U-boot not bringing Linux kernel up correctly

Hi Michael,
p/n: 80-000642RI-1
s/n: 14008623
It's in a dev kit at the moment. Our base board borrowed heavily fro... Chris Weinman

07:52 AM MitySOM-5CSX Altera Cyclone V Software Development: RE: U-boot not bringing Linux kernel up correctly

Hi Chris,
We will look into it. Can you post the module type and serial number just so we know your exact configu... Michael Williamson

01:58 AM MitySOM-5CSX Altera Cyclone V Software Development: U-boot not bringing Linux kernel up correctly

Hi,
I've built the preloader, U-Boot, Linux kernel and filesystem as per the instructions at https://support.critica... Chris Weinman

07:32 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

No you don't need ot use SetSharedMemCfg() or SetPoolCfg() if you are not using the tcDspInbound and tcDspOutbound me... Michael Williamson

03:57 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

Hi
do i need to use
int tcDspApp::SetSharedMemCfg(tsSharedMemCfg* pConfig)
or
int tcDspApp::SetPoolC... stefan nielsen

01:59 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

Hi thanks for the help, I still got some problems with reading on the ARM.
ARM code:... stefan nielsen

01/20/2015

09:31 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

You may find this post helpful for transmitting non-string data using dsplink. https://support.criticallink.com/redmi... Jonathan Cormier

09:18 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

DSP code is OK, though if you have the caches enabled for the regions of SRAM or RAM you may need to add a cache writ... Michael Williamson

09:05 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

Hi thanks for the quick reply. I found some stuff of how to do it on the ARM side, following the example you pointed ... stefan nielsen

07:33 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Write to SharedMem from DSP and read it from ARM

The linux OS uses virtual memory addresses. You can't access RAM by physical address in the normal case.
You need... Michael Williamson

03:25 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: Write to SharedMem from DSP and read it from ARM

Hi im trying to write to some shared memory from the DSP and read it back from the ARM. Ive expanded the HelloWorldDS... stefan nielsen

01/19/2015

07:08 AM MityDSP-L138 (ARM9 Based Platforms) PCB Development: RE: MityARM-1808F SATA connection problem

What version of the kernel are you using? Michael Williamson

01/18/2015

11:30 AM MityDSP-L138 (ARM9 Based Platforms) PCB Development: RE: MityARM-1808F SATA connection problem

From the kernel boot message, occasionally it failed to link to 3G speed, it linked up to 1.5G, but most of the time ... Jun Mo