[U-Boot] tpm TIS TPMv2.0

[Miquel Raynal]

Hi Martin,

On Fri, 15 Jun 2018 13:34:07 +0000, "Hecht, Martin (Avnet Silica)"
<Martin.Hecht at avnet.eu> wrote:

> Hi Miquel, Simon,
> 
> Is there any specific reason why the new tpm2_tis_spi_xfer doesn't support full duplex? It seems we did some work in parallel but you sent the patches earlier. Is that codes tested against an existing TPM v2? I have a working implementation what runs on SLB9670 including full duplex.

What do you mean exactly?

I don't think the TPM2 protocol makes real use of full-duplex unless
for the wait state between the host command and the actual xfer.

Regards,
Miquèl