Tioga Pass OpenBMC 2.8

[Patrick Voelker]

Yes, when in u-boot, having prevented the boot to Linux or having a corrupt Linux image, I'd like to be able to press the power button and boot the host.

I'm prepared to modify u-boot code to make the necessary adjustments if GPIO settings are all that is required.  If it requires more than GPIO settings, I'd love to know what the basic requirements are.

> -----Original Message-----
> From: Vijay Khemka [mailto:vijaykhemka at fb.com]
> Sent: Tuesday, September 15, 2020 12:07 PM
> To: Patrick Voelker; Neil Bradley; openbmc at lists.ozlabs.org
> Cc: Amithash Prasad
> Subject: Re: Tioga Pass OpenBMC 2.8
> 
> Honestly, I am not understanding how you want to control host power when
> bmc booted to u-boot only.
> Please explain what is your requirement, do you want to change u-boot code?
> 
> Regards
> -Vijay
> 
> On 9/14/20, 10:30 AM, "Patrick Voelker" <Patrick_Voelker at phoenix.com>
> wrote:
> 
>     What would an application need to do to control power for the host?
> Power control while in u-boot _should_ be as simple as enabling the power
> button passthrough.
> 
>     > -----Original Message-----
>     > From: Vijay Khemka [mailto:vijaykhemka at fb.com]
>     > Subject: Re: Tioga Pass OpenBMC 2.8
>     >
>     > So if BMC is not running then you can control power manually by power
>     > button or reset button. As far as I know There is no application in uboot
>     > which can control power for host, It is done through BMC when it is
> booted
>     > to linux and power control is running.
>     >
>     > Please let me know if I am missing anything here.
>     >
>     > Regards
>     > -Vijay