[PATCH 1/3] peci: cpu: add Intel Emerald Rapids support

Paul Menzel pmenzel at molgen.mpg.de
Tue Oct 7 19:19:31 AEDT 2025


Dear Ivan,


Thank you for the patch.


Am 06.10.25 um 23:53 schrieb Ivan Mikhaylov:
> Add support for detection of Intel Emerald Rapids processor based on
> CPU model.
> 
> Emerald Rapids Xeon processors with the model set to
> INTEL_EMERALDRAPIDS_X. The data field for this entry is "emr".
> 
> Tested the patch series with AST2600 BMC with 5S Intel Emerald Rapids
> processors & verified by reading cpu & dimm temperature which matches
> host sensor values from lmsensors.

Should you resend you could add the output.

> Signed-off-by: Ivan Mikhaylov <fr0st61te at gmail.com>
> ---
>   drivers/peci/cpu.c | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/peci/cpu.c b/drivers/peci/cpu.c
> index 2dac8ba82787..fbccc1d1b637 100644
> --- a/drivers/peci/cpu.c
> +++ b/drivers/peci/cpu.c
> @@ -321,6 +321,10 @@ static const struct peci_device_id peci_cpu_device_ids[] = {
>   		.x86_vfm = INTEL_SAPPHIRERAPIDS_X,
>   		.data	= "spr",
>   	},
> +	{ /* Emerald Rapids Xeon */
> +		.x86_vfm  = INTEL_EMERALDRAPIDS_X,
> +		.data  = "emr",
> +	},
>   	{ }
>   };
>   MODULE_DEVICE_TABLE(peci, peci_cpu_device_ids);

Reviewed-by: Paul Menzel <pmenzel at molgen.mpg.de>


Kind regards,

Paul


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