Simon wrote:
On 2/21/07, Patrick McNamara <[EMAIL PROTECTED]> wrote:
Simon wrote:
> As an ambivalent owner of a Nokia 770 (OMAP 1710, C55x DSP) I don't
> think that TI would release the hardware docs under conditions that
> would allow someone to support it with free software (they certainly
> didn't for Nokia).
The newer OMAP chips run are capable of running a Linux software stack.
The necessary changes to the Linux kernel are contributed as necessary.
There may very well be some binary blob drivers for certain
"peripherals", especially when you start talking about the cell
subsystems, but the information is more available than you might expect.
It's hard to tell whether Nokia chose to close things up themselves,
or whether they did it because of TI. There is some closed DSP stuff,
but maybe the only reason they didn't open it was because they didn't
see the point. AFAIK, the only option for targeting the DSP is to use
TI's proprietary IDE.
I must be missing something here. I don't see that this is closed
hardware. For example:
http://focus.ti.com/lit/ds/symlink/tms320vc5501.pdf
197 pages of documentation and there are a lot of application notes on
how to use it as well as some free libraries and an IBIS model that is
free to download. Yes, TI sells an IDE for about $5C which seems like a
fair price although I do prefer companies that give their software away
for free.
This is the basic information:
http://focus.ti.com/lit/ug/spru374g/spru374g.pdf
http://focus.ti.com/lit/ug/spru652g/spru652g.pdf
I don't call that closed.
--
JRT
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