--- In "Theodore A. Roth" <> wrote:
>
> On Thu, Jun 19, 2008 at 10:37 AM, Alexander Clouter <> wrote:
> >
> >> Is there hope of getting TS sd module working with a mainline kernel?
> >>
> > Well I was thinking about this. If I *really* grovel to TS, NDA
myself till
> > I suffocate they might be open to the idea that I use all that
userland API
> > stuff that is now in 2.6. So the 'secret' stuff is in userspace
where it
> > should be whilst the rest of us can continue to use a regular
kernel. Of
> > course the advantage being that once it's cooked, the private
secret userland
> > stuff should never need even recompiling; statically link the
thing against
> > uclibc and produce one for EABI and one for OABI.
> >
>
> It would be nice if there was an alternative bitstream for the FPGA
> which hides all the proprietary stuff in the FPGA while exposing a
> documented, open interface for the kernel driver to use. If that
> interface was SDHC, that would be great since the kernel already
> supports that.
>
> Ted
>
I agree, but it seems TS does not. This has been discussed for a
while. Ie, here (and the rest of the thread):
http://tech.groups.yahoo.com/group/ts-7000/message/6055
Jesse tells what TS wants to protect, why they don't have a full sdhci
interface, and how TS thinks things should work with 2.6.
I haven't kept up with recent kernel sd support. Are there now SD
drivers that use low-level GPIO directly?
A full blown SDHCI interface in the FPGA would probably be a lot of
work that would not generate (much) income for TS. OTOH, a FPGA
bitstream that just exposed a low-level interface using gpio could win
for both TS & users: TS IP is protected, and users get new kernels and
features (SDIO stack in 2.6.24+, HRT, etc).
Regards, ....... Charlie
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