From nobody Thu Dec 18 05:32:59 2025 Received: from mail-qk1-f181.google.com (mail-qk1-f181.google.com [209.85.222.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 357C7266582 for ; Mon, 6 Oct 2025 21:54:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759787657; cv=none; b=L4ZQ4xC2R4G0MtX8L+/4AU7qUCmJzbmXEoDguosbGDZiUoiBRz6ZemLSYuHnQxw3wP7816hPNXO4MWVi+UznwZ86lWea+mClxPnk6rQ9mnD5rrY+GlfCPonXj62X16uDr42KBxEJE/xQ1XTPjorUj04AKUkKVGae81/NUwL/VTA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759787657; c=relaxed/simple; bh=TN8DVVtOI0uVF0pVf3w3bAdjS3386PQdWfU2VmCuHTQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ezUMfUwn/VWB9WdvgnOYP4qa8eDtGnqRN69TVwhRCyq1x26Mgo0McQ5o7gYEUhHHHmTpvd9BX8+3U2W3dnKkEGgYRNwXAKOg6nOBof+6ZnoBsfSs6cD3/l1Z2dinMeMA6Mi1Jq++/sEihtvU/i8kgRlvBgf/TEaRWIBboFdZSt0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=JI1Inr+F; arc=none smtp.client-ip=209.85.222.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JI1Inr+F" Received: by mail-qk1-f181.google.com with SMTP id af79cd13be357-85ed0a1b35dso445529785a.2 for ; Mon, 06 Oct 2025 14:54:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1759787655; x=1760392455; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/2sIp4WFShfr4eCKdCALf03P/N949F7OBVMFA66z5UM=; b=JI1Inr+Fb9nlMSCVFZ4/9Gey825jgXgglAzX22S4ifTSYWMVEU0qXc4VT31hy8e71f BycTkvF5rPHtBomz/W8EdVlP3X0zrKqUEk0Z3j19yyYSXfzilbFJIUYgSZzmgvVct95C tDejA5TTLg2dW64jPh3sutopQznh+/7dGdCHJzQOcfsbOCtNOjCmG9L5lLgPamtSRF9y NdsnGR5EtJX9ac8UiBWkrxo3BGiIGBtTXdlJLdylMmCacFSrvifkqwVlqM0qoXerUIsI zZhvQge3J9FkMT4cc/jfvkmBJ7clSJaHlDK0DkUPCfdmCDi8FiM/dBKxVyi5xba1bCjG 4aUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759787655; x=1760392455; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/2sIp4WFShfr4eCKdCALf03P/N949F7OBVMFA66z5UM=; b=sUorQV6/hY56cNb9VPw9x28QCZnrXARpHPAyxepmkwBsSC5j5yssFhRDa1rMSZoNkw pMjOiBVFXKLwu7h2czAmVWPVvAKosunerhf3vdvq6InKzDJYg69mFu3QrBLAeBenOulm w9vNLxoHgnlbPDAGr1tT8mNt4q647fmLBp+hU1vJvr3zPE61N7KP3NgVTMZH4Xp/tuxI Mqfo+1Tl9yrmrflo9TCakTHvn063xRL6FMew1Z+MD1XVmffU0i05c0wn1pbG34zF4tA+ 9C8Sm2XHxzVzr2o3RFVscYF8g1obmNaR7kmL7JZPEEHR3M33R2lxHwz/C/26peTqD892 N03A== X-Forwarded-Encrypted: i=1; AJvYcCU/sd+vwXRxDZ0m56iFoWr5s4XjHQEGePDieuvZMNd+gSmfQiRcNhrLMVktw/amGP8zqeMA4THy7WHCaz8=@vger.kernel.org X-Gm-Message-State: AOJu0YzlvfaHvhO56YaoINhoTxUWz8u+9Sfn/B7r8K67Ywb2eyLfLU1O rPP7f95Td58cUScAQXUMrIUkiibOBMiVxoG9WbtbI9NlVXg+wmFHEVkJ X-Gm-Gg: ASbGncsLSDTX4XbQEMAbr0Qb+Pen/dQqMcj/dqwhdwP6lKsE/hVMlB5AFpfbzyxBM+U oG7Qu2kD3CdYsTEgDmR4jMSUC5DK3gIwG95T97fCt07mGe8kmGeomN5lJ32OTyfez/KMeMPOp1R 49XmKFWQsqGLOJbX4wLWiC+H9jjU3GNQGc4oCnWE0ZVr2tJutNjf9kn5NpzAA79CvxCmI07xQES 8EVNc7k5NgvW2NgVBKUj1WAGPQfoS5arlRe5ytO0K9b2LkG/VuFIeoIkDn4KE2pd/IRrtXA03q9 VWdJ3RNvAcbYgaT8gvEQYyQX3gmdvfsAKSv6MpO81bX5dPudZEBGkOI86GLCyMXkg38BQFc0Tn6 nU2K1RPdKkKSkaplONNqniE82wObUTXKG46wDAsN4clUf6BbE X-Google-Smtp-Source: AGHT+IFqsWVnCpjYKU1itjoK+0G07oo7F31f4A0dLj7qpRKOEEW3bL5j0OvrFQf9Ro4ztA0Q1cj6GQ== X-Received: by 2002:a05:620a:40d1:b0:85e:adef:a774 with SMTP id af79cd13be357-87a390f16b8mr1404131885a.82.1759787654780; Mon, 06 Oct 2025 14:54:14 -0700 (PDT) Received: from fr.lan ([81.200.23.195]) by smtp.googlemail.com with ESMTPSA id af79cd13be357-87771129478sm1314168585a.1.2025.10.06.14.54.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Oct 2025 14:54:14 -0700 (PDT) From: Ivan Mikhaylov To: Iwona Winiarska , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, Ivan Mikhaylov Subject: [PATCH 1/3] peci: cpu: add Intel Emerald Rapids support Date: Tue, 7 Oct 2025 00:53:19 +0300 Message-ID: <20251006215321.5036-2-fr0st61te@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251006215321.5036-1-fr0st61te@gmail.com> References: <20251006215321.5036-1-fr0st61te@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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. Signed-off-by: Ivan Mikhaylov Reviewed-by: Paul Menzel --- 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= [] =3D { .x86_vfm =3D INTEL_SAPPHIRERAPIDS_X, .data =3D "spr", }, + { /* Emerald Rapids Xeon */ + .x86_vfm =3D INTEL_EMERALDRAPIDS_X, + .data =3D "emr", + }, { } }; MODULE_DEVICE_TABLE(peci, peci_cpu_device_ids); --=20 2.49.0 From nobody Thu Dec 18 05:32:59 2025 Received: from mail-qt1-f170.google.com (mail-qt1-f170.google.com [209.85.160.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AFC0F262FED for ; Mon, 6 Oct 2025 21:54:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759787665; cv=none; b=uiPXLiJiYWfKoxfQZRajSG/O0KVegY3Q5BT7ivS+WSThHg0/rfGldQvMOPEAUKUHOLkkIKqPKbnJLLSDd7WAlmjIy4f6ks0Zv6jQuQUAgXH5JfsR9iSk5BCNZnAWVC2QbtuhtYm4WEiyV/K73SWu2z+ADeQY3XPBRL5cwHlHUEU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759787665; c=relaxed/simple; bh=lcwr7p7IeenqPSqZwD5YJmYNSJcgYSh3rTbWFbZvh5c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dzMqhiTplkig7OYMeaIqHocM+osdmCryTmP5LEG8g1QHN5YazYA+6pBwolAJN3NSjLdlVlZ4FQjqX+2j+uQ7N6gY4WFCkYybWDmWza/LY9R7El3G97mt13b1/rCApeQpXNRI8F4p06O2Bw6mGpu8qwDorgTpvkWSTyFUfFWCGPk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=MK9VHRl0; arc=none smtp.client-ip=209.85.160.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MK9VHRl0" Received: by mail-qt1-f170.google.com with SMTP id d75a77b69052e-4d9f38478e0so54772371cf.1 for ; Mon, 06 Oct 2025 14:54:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1759787662; x=1760392462; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=3Q6YwOnteWkXrFVfwwt3UMJd59Tc05yv6Qyt+3nvVpc=; b=MK9VHRl0C7xTbRgycWkLpie2uS7POKLl1hZZA/J/ZeIrOnfcJDzE+zrMiLG2ptcHFT lFvTOo8to+yWN3PTV9mApv/AnDqoIr9fD1I2s0U7TIcaAKHZ9+8lTgXQhQk0SwLDREQn ontLrRD0KiHhu2ZIHOcuVQTJ2z/O3GnQ0nonYJCHQokmRoU8O+4EB1uX8u465nSa2ndq NFQ/5RDH0ck6U4E9efRbQZQRYLWAc5tBOVSx99AL4YdT3MxIp2NS2GNsVQbXSZE0kZCz GY9pOS9XuNLQrxzs055arWkVCxV1ZUaD5HYR3hqC8E5WfGv4S4k987u7KeTQ6d9MZ/Xp hhKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759787662; x=1760392462; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3Q6YwOnteWkXrFVfwwt3UMJd59Tc05yv6Qyt+3nvVpc=; b=k2Y4U23h3YiBFLur0iDxNAv+mvHl1DVUpgJBwZCWQfxSRhcHKXSdC6qnMWKHAq66yK iD/mHWZGWyhLgvhmY9HI4TGx5gsk/uN9nhYX8A4pCXH+Sk0Av7YudFGQoOm0b07Blw90 8/Tk1DT/ls4QYbT915pi4Lekz/RsejXDVcPC7pbqVUXWzZgJ0BX5YGKnccKY9UTmWbYW 64DP2JH7FcNDhqgyQGzLFEhKGx8EjI6ZOPkKo2gTYwmerg8PMqgzUGKmGG2ft2gpGHTk YLoLf7YkJ+oa1gnT15cFlmUg3Sq8+66Kn377neSFVUaRoiZ84YKFCEwg+z/Zd8rNQx/i n6jA== X-Forwarded-Encrypted: i=1; AJvYcCWQ7obwN+v9Jpd02Rw19B9MQaIMjM0WxMHNdw2CymFDHFP20ZPQ/xhtSBodOpAdcEWy4dzxwblbfJPP6kA=@vger.kernel.org X-Gm-Message-State: AOJu0YyHQENBb4UaWOIBcFCXITItul01jt+wRsHjpgLWIw49M9U9KJea ctO67XMUC6vUsNN5bQ9b9F/r97Vx3+U/rQ2H23hdWcf+hmOs+JxIJoc4 X-Gm-Gg: ASbGnctzDkW2gA3q7iiWEq2PAMsbmqmsR0xYIs/dAI4jd46lJ+FVo3g6f/iTD+4+ISE Ysd8JHMKGGJEcC8dH6DjCz2TitPD25le0fucZm8zGBp0zPibd5zRHzAlYLWWtB2GdXQfHeb+Oc0 4+qPvbx+y/r7O5oliqVnx+mgW9yGq4jGKWCpk95gJcsCRgHvH1yIT01kXsOhVlysueC+S2qyzB4 esCP4w5hVDju0HvitlGGmSS/YOnmGLK2FG4yLuXiBcQ9VaEJUlGn/hnu0n2VT9OU4FC46JazcWP i41qVx3vBw6f91/7G3nEZg6ByVejtNsLJ1RdRuh7By3BaNlTYjSQ3ZfwWkPjgkKbJbW2W06+CgD 86Ipkyt9R/kqurSrXEaTf4T5mql74NpBomAHOVg== X-Google-Smtp-Source: AGHT+IHchaEbDnZ8Ri0i8FvX4Rk3xyBgP25U5vpYrxC0Nu/hB8ro4Sxja78hVg7UibwtHsPynnNHWQ== X-Received: by 2002:ac8:5f0e:0:b0:4cf:1eba:f30d with SMTP id d75a77b69052e-4e6de86ab3dmr16256151cf.23.1759787662397; Mon, 06 Oct 2025 14:54:22 -0700 (PDT) Received: from fr.lan ([81.200.23.195]) by smtp.googlemail.com with ESMTPSA id af79cd13be357-87771129478sm1314168585a.1.2025.10.06.14.54.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Oct 2025 14:54:22 -0700 (PDT) From: Ivan Mikhaylov To: Iwona Winiarska , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, Ivan Mikhaylov Subject: [PATCH 2/3] hwmon: (peci/dimmtemp) add Intel Emerald Rapids platform support Date: Tue, 7 Oct 2025 00:53:20 +0300 Message-ID: <20251006215321.5036-3-fr0st61te@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251006215321.5036-1-fr0st61te@gmail.com> References: <20251006215321.5036-1-fr0st61te@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Extend the functionality of hwmon (peci/dimmtemp) for Emerald Rapids platform. The patch has been tested on a 5S system with 16 DIMMs installed. Verified read of DIMM temperature thresholds & temperature. Using Sapphire's callbacks about getting thresholds because it's same platform/socket. Signed-off-by: Ivan Mikhaylov Reviewed-by: Paul Menzel --- drivers/hwmon/peci/dimmtemp.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/hwmon/peci/dimmtemp.c b/drivers/hwmon/peci/dimmtemp.c index fbe82d9852e0..a281476c7a31 100644 --- a/drivers/hwmon/peci/dimmtemp.c +++ b/drivers/hwmon/peci/dimmtemp.c @@ -32,6 +32,8 @@ #define DIMM_IDX_MAX_ON_ICXD 2 #define CHAN_RANK_MAX_ON_SPR 8 #define DIMM_IDX_MAX_ON_SPR 2 +#define CHAN_RANK_MAX_ON_EMR 8 +#define DIMM_IDX_MAX_ON_EMR 2 =20 #define CHAN_RANK_MAX CHAN_RANK_MAX_ON_HSX #define DIMM_IDX_MAX DIMM_IDX_MAX_ON_HSX @@ -571,6 +573,12 @@ read_thresholds_spr(struct peci_dimmtemp *priv, int di= mm_order, int chan_rank, u return 0; } =20 +static int read_thresholds_emr(struct peci_dimmtemp *priv, int dimm_order, + int chan_rank, u32 *data) +{ + return read_thresholds_spr(priv, dimm_order, chan_rank, data); +} + static const struct dimm_info dimm_hsx =3D { .chan_rank_max =3D CHAN_RANK_MAX_ON_HSX, .dimm_idx_max =3D DIMM_IDX_MAX_ON_HSX, @@ -620,6 +628,13 @@ static const struct dimm_info dimm_spr =3D { .read_thresholds =3D &read_thresholds_spr, }; =20 +static const struct dimm_info dimm_emr =3D { + .chan_rank_max =3D CHAN_RANK_MAX_ON_EMR, + .dimm_idx_max =3D DIMM_IDX_MAX_ON_EMR, + .min_peci_revision =3D 0x40, + .read_thresholds =3D &read_thresholds_emr, +}; + static const struct auxiliary_device_id peci_dimmtemp_ids[] =3D { { .name =3D "peci_cpu.dimmtemp.hsx", @@ -649,6 +664,10 @@ static const struct auxiliary_device_id peci_dimmtemp_= ids[] =3D { .name =3D "peci_cpu.dimmtemp.spr", .driver_data =3D (kernel_ulong_t)&dimm_spr, }, + { + .name =3D "peci_cpu.dimmtemp.emr", + .driver_data =3D (kernel_ulong_t)&dimm_emr, + }, { } }; MODULE_DEVICE_TABLE(auxiliary, peci_dimmtemp_ids); --=20 2.49.0 From nobody Thu Dec 18 05:32:59 2025 Received: from mail-qk1-f172.google.com (mail-qk1-f172.google.com [209.85.222.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EE20126561D for ; Mon, 6 Oct 2025 21:54:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759787667; cv=none; b=Ag+CwQsliieEaWSA2jGW3V06tutNb1jUxiXtTHtPt7j5jMRvI1tORL8bXxN1ssLhsVtgY3y9ph3HFRVIiSsIyyg6EtaQMm+JS9SW2kOkFqVbxFZd2rjfE8STXREi4eGfbZgZk5I8wIc8IeOGH0+wrzV5tvEHUXOhN6hEjpw01Z4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759787667; c=relaxed/simple; bh=SDk0ccNxqbagGL5JM2RvP/qQ71Mw0w3Sux7TGmbM89w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UK8yy0awdqdK59gvxNWNdvJwwi0zoxAZTlZyKDP5HDEzfY4eF2R45eGlL+FJQ0A2rlMUkRuFumKpNUzX/6vfT9pEskzeHMZIVCT1XLGwudB5qMIe8viPlZFFubKtj2+vBQSZw56hayZOQwJON0oM9jLfKS3QjkoARjPZGO8sVO0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=AKiqWG8R; arc=none smtp.client-ip=209.85.222.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AKiqWG8R" Received: by mail-qk1-f172.google.com with SMTP id af79cd13be357-85d5cd6fe9fso432052185a.0 for ; Mon, 06 Oct 2025 14:54:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1759787665; x=1760392465; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=JHzE09hpsw0lAJL0J8v7uFjrU395EJVLjHASm1HYY4s=; b=AKiqWG8Rit6wYf5ZiVdmg8+/v1KXWj4nmZsVctvwomGDm0n7gDoJJ0r8KWy1p+GNrW etLpFxXI0rSy0zFcAfvUEEokPC7lWv4wcoJgfZYvHYiTLo9AayEw4L+/3K/9e6Ja7Mid fsjkmVT4mjtyHDTsxv9HQRgqe/6zur9RJNhncM8qSzQmMmdu4yheLf8yTdMGe4zRvWXs svSGF9Co7WWJJWsDkBacnJ2LO0Wz+/NlC+IMjvKzyhpbyiohcAqGMjY7p6g2s1FA+OjS KiajEEZ0I3ofYgyJUQOsRRRzOhtsDRwyMB0fVNkG80wAwzt/gCqzA11N54EhiD5eHYT2 HkoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759787665; x=1760392465; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JHzE09hpsw0lAJL0J8v7uFjrU395EJVLjHASm1HYY4s=; b=BHhYdF7qu31BYBhXwBdq56sI4lUDAQZpHW6Ifdq31FXss+SCuuwt+/ubHYz4jYGMGr hgeM3trmw/H+YQYJqo0MICKatGN0BiNT+ZdP9tGNALrTW9YohpHoZ1cSSWUqtMRV823E xtltOJ+1ToBcJwDotGlWlGXROsvo7xIWKEYqCM80/tU0KM/4ITRpwssw6EIYptFpq5oe LmhNt/CLI1QJJm5mDW2qols2fYL3NdDJZxzQcilbmqqwM/JpMpYfkCwj1CaRGAWg9zbu zifcOgj4IeAiyAPLUVEJH/YrXSup0/sTk+L9eHNY3bT/KYEcjKUZEYsVJ6AdQZiq/sAF Mjkg== X-Forwarded-Encrypted: i=1; AJvYcCVznRbPeJbXAzj3etbhIBDnnCsiLQ362LF5UNsUlmx3hviSOfSJ7vztCQudPt8zIzW/3CI2sQQ6MynBves=@vger.kernel.org X-Gm-Message-State: AOJu0YzFRW7hFKSfd1Q6ZYvH1uVP5kNqN5/Izlh/uTbX9u+wnaHmQeVJ B1w/DpaAprJpOd5ibmMHF+0vl+uYHq72+V8gtFqN/06+ehfrpw8zRCbw X-Gm-Gg: ASbGncuzRZMdtOcKwmKRUdJYqbrY+2AZgHR0+nQtuWnbNcgS+A7VUZAxdt4+pGEIV5u xj7nRY7a2LGt4Wr/tIJxoFiZGo0Qj/96Q+SArUe/Ivs0hfXXSIyS38GlhLFWcmbg4Xp1/xfTknE 7iMcfizjxypHmIAvhkZvlfAmfCKvkLaAZB7/qpo4dnkwPgvUwDrvJ89oONlqSoYng9PhWB0MfMv lryQyzkrlFzi1GOgMY6LUBQAzYyjdejD3cwBzcz0I6dCEWzDDnZUEpBCUBbybmPnUPuI9wvzgF7 Cl41tDuBPFllzSs78fD/bRH51Xoev8dVO0zbWDEbdvrT1obueBwRPDH/C8ihUzJjV2/Ftu2kvYw G89hKRZBCRjveThTDzrN1gDgLUrwb/VJmpHDkVg1t/BJJE2fsDyAg+rag93M= X-Google-Smtp-Source: AGHT+IG2LvrD5cGaVRdPojLb3sWgPRcj64j9A2zviwnX8ynP3ZNTQ1PYKRgkchhEsVFBNjv83jnmsQ== X-Received: by 2002:a05:620a:3950:b0:817:4e4a:6969 with SMTP id af79cd13be357-87a3b891276mr1586802785a.78.1759787664836; Mon, 06 Oct 2025 14:54:24 -0700 (PDT) Received: from fr.lan ([81.200.23.195]) by smtp.googlemail.com with ESMTPSA id af79cd13be357-87771129478sm1314168585a.1.2025.10.06.14.54.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Oct 2025 14:54:24 -0700 (PDT) From: Ivan Mikhaylov To: Iwona Winiarska , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, Ivan Mikhaylov Subject: [PATCH 3/3] hwmon: (peci/cputemp) add Intel Emerald Rapids support Date: Tue, 7 Oct 2025 00:53:21 +0300 Message-ID: <20251006215321.5036-4-fr0st61te@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251006215321.5036-1-fr0st61te@gmail.com> References: <20251006215321.5036-1-fr0st61te@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add support to read DTS for reading Intel Emerald Rapids platform. Signed-off-by: Ivan Mikhaylov Reviewed-by: Paul Menzel --- drivers/hwmon/peci/cputemp.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c index c7112dbf008b..b350c9a76894 100644 --- a/drivers/hwmon/peci/cputemp.c +++ b/drivers/hwmon/peci/cputemp.c @@ -364,6 +364,7 @@ static int init_core_mask(struct peci_cputemp *priv) case INTEL_ICELAKE_X: case INTEL_ICELAKE_D: case INTEL_SAPPHIRERAPIDS_X: + case INTEL_EMERALDRAPIDS_X: ret =3D peci_ep_pci_local_read(peci_dev, 0, reg->bus, reg->dev, reg->func, reg->offset + 4, &data); if (ret) @@ -539,6 +540,13 @@ static struct resolved_cores_reg resolved_cores_reg_sp= r =3D { .offset =3D 0x80, }; =20 +static struct resolved_cores_reg resolved_cores_reg_emr =3D { + .bus =3D 31, + .dev =3D 30, + .func =3D 6, + .offset =3D 0x80, +}; + static const struct cpu_info cpu_hsx =3D { .reg =3D &resolved_cores_reg_hsx, .min_peci_revision =3D 0x33, @@ -563,6 +571,12 @@ static const struct cpu_info cpu_spr =3D { .thermal_margin_to_millidegree =3D &dts_ten_dot_six_to_millidegree, }; =20 +static const struct cpu_info cpu_emr =3D { + .reg =3D &resolved_cores_reg_emr, + .min_peci_revision =3D 0x40, + .thermal_margin_to_millidegree =3D &dts_ten_dot_six_to_millidegree, +}; + static const struct auxiliary_device_id peci_cputemp_ids[] =3D { { .name =3D "peci_cpu.cputemp.hsx", @@ -592,6 +606,10 @@ static const struct auxiliary_device_id peci_cputemp_i= ds[] =3D { .name =3D "peci_cpu.cputemp.spr", .driver_data =3D (kernel_ulong_t)&cpu_spr, }, + { + .name =3D "peci_cpu.cputemp.emr", + .driver_data =3D (kernel_ulong_t)&cpu_emr, + }, { } }; MODULE_DEVICE_TABLE(auxiliary, peci_cputemp_ids); --=20 2.49.0