On Thu, Jan 12, 2017 at 07:08:53PM +0100, Maciej S. Szmigiero wrote:
> Since commit 1107d065fdf1 ("tpm_tis: Introduce intermediate layer for TPM
> access") Atmel 3203 TPM on ThinkPad X61S (TPM firmware version 13.9) no
> longer works.
> It turns out the initialization proceeds fine until we get and start using
> chip-reported timeouts - and the chip reports C and D timeouts of zero.
>
> Since these are clearly not long enough let's add an override for them
> to TPM TIS default values, just as we do for Atmel 3204.
> A and B timeouts are set to the same values as the chip normally reports.
>
> Signed-off-by: Maciej S. Szmigiero <m...@maciej.szmigiero.name>
> static const struct tis_vendor_timeout_override vendor_timeout_overrides[] =
> {
> + /* Atmel 3203 */
> + { 0x32031114, { (10*1000), (10*1000),
> + (TIS_SHORT_TIMEOUT*1000), (TIS_SHORT_TIMEOUT*1000) } },
> /* Atmel 3204 */
> { 0x32041114, { (TIS_SHORT_TIMEOUT*1000), (TIS_LONG_TIMEOUT*1000),
> (TIS_SHORT_TIMEOUT*1000), (TIS_SHORT_TIMEOUT*1000) } },
Can you also add a check for 0 timeouts in the core code and print a
FW_BUG :\
Jason
------------------------------------------------------------------------------
Developer Access Program for Intel Xeon Phi Processors
Access to Intel Xeon Phi processor-based developer platforms.
With one year of Intel Parallel Studio XE.
Training and support from Colfax.
Order your platform today. http://sdm.link/xeonphi
_______________________________________________
tpmdd-devel mailing list
tpmdd-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/tpmdd-devel
