The OHCI spec is available at
http://www.intel.com/technology/1394/download/ohci_11.pdf
Vysyaraju Dali Raju
Vysyaraju Daliraju, / Systems Software Engineer
SBS Technologies, 8371C Central Ave. / Newark, CA 94560
Phone: 510-742-2570 / Fax: -2501 / EMail: xxxxx@sbs.com
mailto:xxxxx
-----Original Message-----
From: Udo Eberhardt [mailto:xxxxx@thesycon.de]
Sent: Wednesday, January 29, 2003 6:43 AM
To: NT Developers Interest List
Subject: [ntdev] Re: Accessing OHCI Registers in PCI Configuration Space
You should take a look at the OHCI specification V1.1. It is free.
It describes all the details you are missing.
Unfortunately, I don’t have a link for download available. Use a search
engine or drop me an email. I can send you the pdf.
–
Udo Eberhardt
Thesycon GmbH, Germany
xxxxx@thesycon.de
www.thesycon.de
> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com]On Behalf Of kedar
> Sent: Wednesday, January 29, 2003 8:34 AM
> To: NT Developers Interest List
> Subject: [ntdev] Re: Accessing OHCI Registers in PCI Configuration Space
>
>
> Dear Udo Eberhardt,
>
> Thanks for your information.
>
> Can you suggest me any documents related to activate 1394 OHCI DMA and
> realted to 1394 data transmission and 1394 bus enumeration or where can I
> get this information?.
>
> Any kind of informaation will be helpful to me.
>
> Regards,
> Kedar.
>
>
> > It is possible. But, just accessing some registers is not
> sufficient. In =
> > order to communicate via the 1394 bus you have to activate the
> OHCI DMA =
> > engines which perform busmaster DMA. In fact, you need a quite complex =
> > device driver. You cannot use one of the existing Windows
> drivers under =
> > DOS.=20
> >
> > In the near future we plan to release an OHCI device driver
> library that =
> > is system-independent. It is intended to support people with problems =
> > like yours.
> >
> > –
> > Udo Eberhardt
> > Thesycon GmbH, Germany
> > xxxxx@thesycon.de
> > www.thesycon.de
> >
> >
> >
> > > -----Original Message-----
> > > From: xxxxx@lists.osr.com
> > > [mailto:xxxxx@lists.osr.com]On Behalf Of kedar
> > > Sent: Tuesday, January 28, 2003 5:53 AM
> > > To: NT Developers Interest List
> > > Subject: [ntdev] Re: Accessing OHCI Registers in PCI Configuration =
> > Space
> > >=20
> > >=20
> > > Max,
> > >=20
> > > Sorry, I mean 1394 OHCI. I want to enumerate the 1394 bus and try to =
> > find
> > > the devices on it from DOS (32-bit). Is it posssible?
> > >=20
> > > Kedar.
> > >=20
> > >=20
> > > > What OHCI do you mean? USB? or 1394?
> > > >=20
> > > > Max
> > > >=20
> > > > ----- Original Message -----
> > > > From: “kedar”
> > > > To: “NT Developers Interest List”
> > > > Sent: Monday, January 27, 2003 10:00 AM
> > > > Subject: [ntdev] Accessing OHCI Registers in PCI Configuration Space
> > > >=20
> > > >=20
> > > > > Dear All,
> > > > >
> > > > > How to read the the OHCI Register address in PCI Configuration =
> > Space
> > > > and
> > > > > how to map them under DOS or how does windows read this register =
> > and
> > > > > access it.
> > > > >
> > > > >
> > > > > Any kind of inforation will be helpful.
> > > > >
> > > > > Thanks in advance,
> > > > > Regards,
> > > > > Kedar.
> > > > >
> > > > > —
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> > >=20
> > > —
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> > >=20
> > >=20
>
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