[flashrom] SPI issue on FTDI

Stefan Tauner stefan.tauner at student.tuwien.ac.at
Sat Mar 30 11:01:15 CET 2013

On Thu, 28 Mar 2013 12:13:39 +0530
chethan kumar <chethan1703 at gmail.com> wrote:

> Hi
> I have a question on FTDI.
> We are using FTDI2232H chip for programming the flash. After
> programming the flash we want to put the FTDI SPI lines in the MPSSE
> mode to tri state. Could you please let me know what should we do in
> order to achieve this. Is there any APIs to put FTDI lines to tri
> state mode? Is there any document that we can refer?

Hi Chethan,

I am by no means an FTDI expert, but I did peek into the respective
datasheets and basically found no reference to output enables in them.
There is a special opcode for the FT232H, but that's about it.

Kind regards/Mit freundlichen Grüßen, Stefan Tauner

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