time control on wolfpass BMC

[Ivan Mikhaylov]

On Tue, 2020-09-08 at 10:53 -0700, James Feist wrote:
> On 9/8/2020 7:47 AM, Ivan Mikhaylov wrote:
> > Hey James, Ed, Is there any way to control RTC/PCH time inside BMC on
> > wolfpass?In intel-bmc rep there is the pch-time-sync service which is doing
> > sync.
> > The service just reads out date via i2c regs and do the sync with system
> > time. I
> > didn't find any other utilities or something which can help with time set
> > from
> > BMC.
> 
> We default to NTP and use pch-time-sync as a fallback. NTP is configured 
> by systemd-timesyncd https://wiki.archlinux.org/index.php/Systemd-timesyncd.
> 

James, do you know this PCH time sets on the host side as regular sync hwclock
action? Are those i2c regs writable only from host side?

Thanks a lot for clarification.