Also, since I don't have code on AEMIF CS2 for the DSP, what
exactly is the DSP doing at reset time (when SW3-4 is on)?
Is it booting garbage and crashing (and then the ARM
re-initializes it before running demos)? If it
*is* crashing at boot, isn't there a chance (because of
shared
So what exactly do I have to purchase to get to the
stage where I can recompile the codec server to occupy a
smaller memory footprint? Does the DVSDK come with the codec
server sources?
Hi Jerry,
Here is what you need:
1). DSP tool chain (available via purchasing DVSDK ($6995)
Might seem like a dumb question, but I was wondering
how do I access memory mapped registers from the user space?
I've used *(volatile int*)IO_ADDRESS(x), inl(x), *(volatile
int*)(x), where x is 0x
Do I have to mmap it before I can do anything?
You need to use the
So would I do it like this to read PLL2 Registers? (PLL2
regs start at
0x01C40C00, see page 94 of TMS320DM6446 datasheet)
int memfd;
memfd = open(/dev/mem, O_RDONLY | O_NONBLOCK, 0); if
(memfd == -1) {
ERR(Cannot open /dev/mem (%s)\n, strerror(errno));
return FAILURE;
}
I boot the board form flash using the root filesystem in hard disk.
And I
unplug the network cable. In the course of the boot,
1 . Sending DHCP request, it will try two times and hold up several
minutes. How to skip the procedure.
You can skip the DHCP in the boot sequence, by setting the
I have some problems with compiling codec engine demo as shown that
build_instructions.html(full path :
/home/hlmcmkfl/dvevm_1_00_00_32/codec_engine_1_00/examples)
This demo inludes three steps as you know.Firstly i've compiled
viddec_copy demo under the codec. I've succeded them. But at
In the Getting Start Guide, there are three boot methods.
I try them and work well.
Now, I will try the booting from Hard Drive (HD) using HD file
system.
Can anyone tell me how to do this ?
Assuming that you have a file-system on the HDD (the board comes with a
file-system
Thanks for your reply.
In A5.1, it is boot from flash (the uImage file loaded into flash and
address is 0x205).
It is work well.
Now, I store the uImage into on-board HDD.
How do I set the uboot to load the uImage from on-board HDD ?
Ok, I understand now. I don't think that this is
Kevin, how do you get a specific tag (version) of the GIT tree?
If you are using cogito, then you can use the cg-export command. For
example, I would:
1). Execute cg-tag-ls to display all the tag names
2). Execute cg-export -r tag-name destination-file
Note that cg-export supports .tar,
Also, since I don't have code on AEMIF CS2 for the DSP,
what exactly
is the DSP doing at reset time (when SW3-4 is on)? Is it booting
garbage and crashing (and then the ARM re-initializes
it before
running demos)? If it
*is* crashing at boot, isn't there a chance (because of
Are you refering to the open-source tree that is hosted on montavista's
website?
There is some good information on using git on the following page:
http://www.muru.com/linux/omap/README_OMAP_GIT
This is for the TI OMAP git tree, but you can use this as an example.
The git-clone command is what
Hi All,
I am having the following problem. Unable to connect to the
DSP. Did anyone
had this issue? What might have gone bad on the board? VCC,
Clocks and Reset
is okay. ARM is getting connected.
Pls let me know the reason for this problem
Does anyone have sample code to turn off/on the DSP clock?
Yes here is some code from the DaVinci GEL file for CCS that is used to
turn on the DSP.
Cheers
Jon
/*
*
*
*
* turn_on_dsp( )
*
*
*
*
I want to test running my apps from the hdd, previosly I was
using nfs and I believe that writting the output files over
ethernet was slowing my app down. I am downloading the hdd
restore file restore_1_20_00_10.tar.gz to update my dvevm.
Once I have updated my dvevm how can I copy my
each time I post I almost fall into the same trap, trying to
reply to the
original poster and not to the list. Maybe you could
configure it to set the
Reply-To: field to the list address.
To be honest I am not in favour of this request and none of the other
mailing lists I have used offer
We are building a custom board with a DM6446 and a Virtex4
FX100 FPGA.
The FPGA implements (among other things) a customized Ethernet switch
and we need to get Ethernet packets to/from the DaVinci into
the switch.
1) Is there any kind of driver that would allow the VLYNQ to
be used
All,
I attempted a fresh clone of the davinci git tree today and it failed
after some time saying that a particular object was missing. See:
Getting index for pack bd1b0e287229918bc6d485a96514b8a052f24901
error: Unable to find 022ab2279d7c85f8bb204526602908580842432e under
Any special reason why you try http protocol?
Normally you will use
git-clone git://source.mvista.com/git/linux-davinci-2.6.git
linux-davinci-git
Some years ago I tried http protocol behind a firewall and it was a
pain. Never got it working properly. Don't know if it works today,
though.
FYI... DaVinci git now updated to 2.6.5, and in sync w/OMAP git as of
today.
Hi Kevin,
I am still having some problems cloning the Davinci git tree using HTTP.
It appears to work fine at home when using the GIT protocol to clone but
fails with HTTP. You may ask why I care if HTTP works if I
Hi Kevin,
I changed permissions as suggested by that thread. Can you try now?
Thanks! I tried again but unfortunately that was not it :(
However, thanks for trying!
I am a little perplexed about where the problem lies. Last night I spent
some time looking at the clone I created using the GIT
I ran a 'git fsck --full', and then a 'git gc --prune' on the host
side
repo.
Can you try now?
That did it! Working like a champ now.
Thanks Kevin!
Jon
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Davinci-linux-open-source@linux.davincidsp.com
I do not know about your question, but I have once more:
can somebody please explain what udev is, how it is used
and how do I include it in the kernel ?
For future reference, you may wish to make this a separate post so as not to
confuse the subject matters.
For information on udev please
Hi James,
Hopefully, we can also get a single download, rather than using Git-Tree
updates.
There are a lot of great benefits to using the GIT tree. When you clone a GIT
tree you get a complete replica of the tree (as cloning implies). This means
you can view the history of updates/patches
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