[HELP] ipmi-kcs didn't work

Jae Hyun Yoo jae.hyun.yoo at linux.intel.com
Thu Dec 6 01:54:49 AEDT 2018

On 12/4/2018 7:04 PM, Ryan Chen wrote:
> Hello Jae,
> 		Yes, ESPICLK should be the same flag.
> 		Thanks.
> Ryan

Thanks Ryan for the confirmation. We checked that LCLK gate can be
opened by enabling lpc-ctrl node which has clock enabling code in
itself. ESPICLK gate could be opened using the same way, I believe.


> On 12/4/18, 7:44 AM, "Jae Hyun Yoo" <jae.hyun.yoo at linux.intel.com> wrote:
>      On 12/4/2018 12:18 AM, Ryan Chen wrote:
>      > Hello Jae,
>      > 	ASPEED LPC IP HW block have serval clk input.
>      > 	Most important is LCLK is come from LPC Host.
>      > 	The others is not controllable by register.
>      > Ryan
>      >
>      Hi Ryan,
>      Thanks for the information. So clock source of LCLK is from external
>      usually from PCH, means that it doesn't have any parent dependency
>      within BMC. In this case, we need to mark CLK_IS_CRITICAL flag to enable
>      it. Also, we should mark the flag for ESPICLK too because eSPI is
>      sharing the same interface with LPC.
>      I'll make and upstream a patch.
>      Thanks,
>      Jae
> Jae,
> But I am able to enable clock through lpc-ctrl in dts. Which does same thing enabling clock for lpc. I don't think we need this patch.
> Regards
> -Vijay

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