Bug 745424

Summary: no TPM driver for Nuvoton WPCT2xx & NPCT4xx
Product: Red Hat Enterprise Linux 6 Reporter: wayneh <wayneh>
Component: tpm-toolsAssignee: Steve Grubb <sgrubb>
Status: CLOSED NOTABUG QA Contact: BaseOS QE Security Team <qe-baseos-security>
Severity: high Docs Contact:
Priority: unspecified    
Version: 6.2   
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-10-12 15:17:17 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description wayneh 2011-10-12 10:17:22 UTC 
Description of problem:
We are using Nuvoton TPM NPCT421LA0WX, we can't run the TPM linux test tool from Nuvoton, the TPM test is pass under DOS and microsoft windows.

Need support from RHEL to support the a tpm_tis that supports Nuvoton TPM NPCT421LA0WX.

TPM The “National Semiconductor TPM Interface” refers to the Nuvoton old TPM v1.1 device which had a proprietary interface.

For TPM v1.2 (the Nuvoton current TPMs – WPCT2xx & NPCT4xx), use “TPM Interface Specification 1.2 Interface”, a.k.a TIS or MMIO.


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.boot to RHEL6.2(kernel 2.6.32-202.el6.x86_64)
2.enable TPM driver with this command modprobe tpm_tis force=1 interrupts=0
  It prompts: FATAL: Module tpm_tis not found
  
Actual results:
fail to enable the TPM driver

Expected results:
we can enable the TPM driver successfully.


Additional info:
Intel Romley platform with Nuvonton TPM NPCT421LA0WX
Comment 2 RHEL Program Management 2011-10-12 10:49:01 UTC 
This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated
in the current release, Red Hat is unfortunately unable to
address this request at this time. Red Hat invites you to
ask your support representative to propose this request, if
appropriate and relevant, in the next release of Red Hat
Enterprise Linux. If you would like it considered as an
exception in the current release, please ask your support
representative.
Comment 3 Steve Grubb 2011-10-12 15:17:17 UTC 
This should have went through your support method rather than directly into bugzilla. If you look at /boot/config-2.6.32-202.el6.x86_64 and scan down to TPM, you will see that TPM_TIS is built in rather than a loadable module. So, no modprobe is needed. Closing this bug report since the module is builtin.