Hi Ranga,

Exactly, only Hyperthreading is available. I could not find Intel 
Virtualization Tech , MLC streamer, etc. So here's my question if all these 
options support coreboot for Xeon D-15xx?


Thanks&Regards,

Ashmita Chakraborty

________________________________
From: Ranga Rao <ranga...@ircona.com>
Sent: Wednesday, July 3, 2019 1:15:07 PM
To: Ashmita Chakraborty; coreboot@coreboot.org
Subject: RE: [coreboot] Re: Does Coreboot support the following options to 
enable/disable?


Hi Ashmita,



I could see HyperThreading Enable/Disable in Upd_Data_region

FSP-master\BroadwellDEFspBinPkg\include\fspvpd.h



Regards

Ranga



From: Ranga Rao <ranga...@ircona.com>
Sent: Wednesday 3 July 2019 08:18
To: Ashmita Chakraborty <ashmita.chakrabo...@ltts.com>; coreboot@coreboot.org
Subject: [coreboot] Re: Does Coreboot support the following options to 
enable/disable?



Hi Ashmita,



Broadwell-DE / Xeon D support still depends Intel's closed-source FSP (Firmware 
Support Package) binary-only blobs.

Broadwell-DE SoC / Xeon D Support Added To Coreboot



Hope you could configure them through fsp_upd_data?



Regards

Ranga









From: Ashmita Chakraborty 
<ashmita.chakrabo...@ltts.com<mailto:ashmita.chakrabo...@ltts.com>>
Sent: Wednesday 3 July 2019 08:14
To: Ranga Rao <ranga...@ircona.com<mailto:ranga...@ircona.com>>; 
coreboot@coreboot.org<mailto:coreboot@coreboot.org>
Subject: Re: [coreboot] Does Coreboot support the following options to 
enable/disable?



Dear Ranga,



These options are meant for Xeon D-15xx series family. So will the coreboot 
support these options? The coreboot will be built for Xeon D-15xx processor. 
Yes, I have access to them in fsp_early_init through fsp_upd_data.



Thanks&Regards,

Ashmita Chakraborty



________________________________

From: Ranga Rao <ranga...@ircona.com<mailto:ranga...@ircona.com>>
Sent: Tuesday, July 2, 2019 8:41 PM
To: Ashmita Chakraborty; coreboot@coreboot.org<mailto:coreboot@coreboot.org>
Subject: RE: [coreboot] Does Coreboot support the following options to 
enable/disable?



Hi,



As these features are processor/SoC specific and they are part of FSPM, they 
should be configurable

during fsp early init in coreboot, though you may not find a KConfig option to 
enable/disable



Do you have access to them in fsp_early_init through fsp_upd_data?



Regards

Ranga



-----Original Message-----
From: ashmita.chakrabo...@ltts.com<mailto:ashmita.chakrabo...@ltts.com> 
<ashmita.chakrabo...@ltts.com<mailto:ashmita.chakrabo...@ltts.com>>
Sent: Tuesday 2 July 2019 07:34
To: coreboot@coreboot.org<mailto:coreboot@coreboot.org>
Subject: [coreboot] Does Coreboot support the following options to 
enable/disable?



Does the coreboot support the following options to enable/disable:



HyperThreading        - Disabled

Execute Disable Bit      -  Enabled

Intel Virtualization Tech-     Enabled

Intel (R) TXT-                       Disabled

Enhanced Error Containment Mode             -Disabled

MLC Streamer                               -Enabled

MLC Spatial Prefetcher                   -Enabled

DUC Data Prefetcher                  -Enabled

DUC Instruction Prefetcher                -Enabled

LLC Prefetch                  - Enabled

Intel Configurable TDB                 -Enabled

TDP Level                                      -level 2





Please let me know.



Thanks in advance.



Regards,

Ashmita Chakraborty

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