From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9D015EE6B4C for ; Fri, 6 Feb 2026 19:19:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PM+rtinxLhHxeRr9i4lZc8RjHACv6rJTcBi+0fDTNks=; b=vj8SYDjg1PI8uaBBwM2qs/9FpF HcJWqyhRpy7XdhX0EUfDONlvGEiSw1Q6OzoUtZiKXjHfa6kr13eD7ALMYXz/3IBFlCM6RSmLtH7SO WdDKuIPv7SYt4RhJC5hYg0SrzhFfMCTry9t/9BLCycNE3mPvkkgAXSMqRQfsaBt8hNES+QWwEbKzR gpkYt/w0EAtlbHd0o/RPkenx5q/zuZldMrfiCD1ks4DfE0iK6LeDHbwsxFb4o+50DOKBP4OZ8csey U2chpln5ERQyhKoSfBSwtQveUlVQbrh3wp2J+U5WYlvPQZUxGC8wPpqjVHrhzMa1DTYyq9si4RWoJ +X+XqteA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1voRMW-0000000BjKo-16MH; Fri, 06 Feb 2026 19:19:28 +0000 Received: from mail-westus3azlp170120001.outbound.protection.outlook.com ([2a01:111:f403:c107::1] helo=PH8PR06CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1voRMS-0000000BjHQ-3o8r for linux-arm-kernel@lists.infradead.org; Fri, 06 Feb 2026 19:19:26 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=zIS8t+UZ+YBQF8Mn2GzvzbHkqfGi+FePDVIajAiRIFDU/L48QWxuvGGqFQru8WQqiX/ioITBUr821U8RqI438YfjM6IzJ6IpJAL+LYXanx6ckH5QkV7Pnu3hHvZg+qYrpm11K47v1096mxT0Oj6vFPRWwGm2/r2RTUKKpdg+Q76Cwm7QlK1lQjvz9oN9jeyGBPc1e4UBYd7f8N9914cor7AG6ieWkHmOhYkaflGZJRWh39SgSGYXnqrrotmfu6dnWX5MoYTFiI0FioHA0e0ItPYOnEvfj2Fx2LKF7H9k9zR2g1/U0oddWWApW67pzglpaUPoietbxligQOFPqOegOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=PM+rtinxLhHxeRr9i4lZc8RjHACv6rJTcBi+0fDTNks=; b=B/7mLlqoSyuYetiHMIiMngNNx3+r1L9297QG0UzUbJ1ttFyFUutrDB2mLLwIPGfzumePv20YBHKaz0EDDr9lvl8wlIYoAP7XZaL55mpUctlnfS/jzEwvPcFr5ZYiorzU+gYDoHeTihGCxTlJh3B1Rgo0Am/EUpTbNw91MxWzCPTf17qYK91xiI++hxTAztHK/qzgvwgFJ/asEWD+J3Asg5aQ8cJFCIRFmeEPOhV14+BhbdLFu7ld+vXoUNER8AoEehtRln5ntnDU9HgOGrPkJw0bnJTmBKVm1xMyD2nyGgRcMsS0nqOLM69JAXgmjbd1dkwnNBYP9xn9cl5BU718gA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.21.195) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=PM+rtinxLhHxeRr9i4lZc8RjHACv6rJTcBi+0fDTNks=; b=m0ZuVyOoDSraFm1bwAPHyLS7SsKVdRaapnlPASFbOQptmtNNxxp3Or6lN4dmxMcI66TQ5llod7FvI4SJSxQbv9EyuXr+mNkeATL1iU6Qlwens5ehDJjHT6urk9h5fSVjKLwLcF7PjALlf3M1nu2+360nfLje/vSvtKIezU771Fw= Received: from PH0PR07CA0026.namprd07.prod.outlook.com (2603:10b6:510:5::31) by IA0PR10MB7327.namprd10.prod.outlook.com (2603:10b6:208:40e::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.16; Fri, 6 Feb 2026 19:19:20 +0000 Received: from CY4PEPF0000EDD0.namprd03.prod.outlook.com (2603:10b6:510:5:cafe::77) by PH0PR07CA0026.outlook.office365.com (2603:10b6:510:5::31) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9587.16 via Frontend Transport; Fri, 6 Feb 2026 19:19:20 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.21.195) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.21.195 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.21.195; helo=flwvzet201.ext.ti.com; pr=C Received: from flwvzet201.ext.ti.com (198.47.21.195) by CY4PEPF0000EDD0.mail.protection.outlook.com (10.167.241.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.10 via Frontend Transport; Fri, 6 Feb 2026 19:19:18 +0000 Received: from DFLE205.ent.ti.com (10.64.6.63) by flwvzet201.ext.ti.com (10.248.192.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Fri, 6 Feb 2026 13:19:14 -0600 Received: from DFLE215.ent.ti.com (10.64.6.73) by DFLE205.ent.ti.com (10.64.6.63) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Fri, 6 Feb 2026 13:19:14 -0600 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE215.ent.ti.com (10.64.6.73) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Fri, 6 Feb 2026 13:19:14 -0600 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 616JJEK81401656; Fri, 6 Feb 2026 13:19:14 -0600 From: Judith Mendez To: Judith Mendez , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Santosh Shilimkar CC: , , , Andrew Davis Subject: [PATCH v2 2/2] soc: ti: k3-socinfo: Add support for AM62P variants via NVMEM Date: Fri, 6 Feb 2026 13:19:14 -0600 Message-ID: <20260206191914.52878-3-jm@ti.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260206191914.52878-1-jm@ti.com> References: <20260206191914.52878-1-jm@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD0:EE_|IA0PR10MB7327:EE_ X-MS-Office365-Filtering-Correlation-Id: de729ef0-844d-4f11-c1ef-08de65b4a002 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700013|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?KpzQlr7T7OuZtzrJepXMXtitaBUnSTjoXbfMPUFxaMiVUnSHfpbba7FeiGfX?= =?us-ascii?Q?b8rqZ4/JL6tYziJ6eyqf1fq8+3onvPU+UgS6koH4wVB5U+r5p53s2Uk3Y/83?= =?us-ascii?Q?gGU316SQVlU6oKYAGe9S5wpGcLzQ9Yvy/2CJsL5kS5eOz+6CLZW4MY9a8Rgn?= =?us-ascii?Q?Fb2mxDW1F2i6tyOMDk75QZmTDfOmOxM/22SGZmKji+LjzRTRTR3RodMxeVLQ?= =?us-ascii?Q?F2A2rSs08js/mckaMXJdJDqp8MY8dhTLmI8OQt1ehPBc0FFTgJdj3pAg9SHn?= =?us-ascii?Q?9VBTfpdQUWKy8Q7uenbTnTnwC4psScmbHZVKG3RftH318DRC8VKvACqm8F+r?= =?us-ascii?Q?sbxvnhrae/JWXDMVc6mUFItVjGo0M6Y0cVpYcdEoNn8x+qGXMt/1Jan5yc5I?= =?us-ascii?Q?DbTFDPwUVLKiGNKI2lkD89XuUQBkCWuJsnauDTeW8fVty61duVe50FiPVRzq?= =?us-ascii?Q?ZbezcsgC90J2ukR0F71tVOESjv9GdIQuJQ/V6x5HQ7l1fJUdDxi0fGw5GE50?= =?us-ascii?Q?A5fvYZ2zU7dzDHvDRD7q1Bz1YRJi+nHYusWQ/inVVKf/WBiUWGNCKW6JnYbT?= =?us-ascii?Q?0rXz0tGONcJAQOCw9UYBMSQPhNCzvEYfhA0UJQBdr/YCJyf01+0NYkKmwAcD?= =?us-ascii?Q?C2DA1hKk2qvg53tifOfiSdR86mJYd+TV4D0dmCrDQmNGBrk5NYAgL/mF4wVk?= =?us-ascii?Q?SEyj9M2p6zu2rTEa5K3cGExb56uf/bNjaL1oG11jAVZAO14sHX2HwDlQjKxX?= =?us-ascii?Q?VvERv6tIGU4VWIYweqIMYYPl5gluS2z/fhA0pITagxlCs8+NQM55e980YpTp?= =?us-ascii?Q?h8MWh65s3QSKmXP9PJlLcWdHHB4xMJBykYmtVsn1973EUSeRq5uTf+c7aqH+?= =?us-ascii?Q?scnym2KUO0b+uLXNpSZmXzAGOb++7tEYfU3ngJAl/YbdVkX6wAwwN1WerNyY?= =?us-ascii?Q?/64nLPSauFSCHN98RqbHoLA3QpevZ7OWstiuHfkqlsRcyUzbfinyD7YstfTV?= =?us-ascii?Q?2kQdVb2RIXcUFGyjGdyTyxfICodww+FJa7vzWk5nc3dFB8XRHvWusYzTs0pG?= =?us-ascii?Q?vEKPERwdQo2ZYwA8NArkF5Z/0/F7jRmyQKr9ldjrq+cNNq86KyzKcPuY7ecr?= =?us-ascii?Q?rp3QYSTaFm5v72HU9DbAUVYsXzx5OqmuXHB4n46/7s+7GsADGKU1Q6NbpaJv?= =?us-ascii?Q?f0D4Lk/6F/qHv9N2p3YPF4waoPuQg2N1Y8oJlOwCA9T6epsve/sTUtOUbRvl?= =?us-ascii?Q?2Ql7xN3dyV6eFoNU7KpnlNfyzNEZVCPJnIYm1HULCdgfxU/P+PhAghNOLiYw?= =?us-ascii?Q?m9LdvtQht9KPjb2nYkpl8IIRpvD15PIdL4sEtxA7mp+bM2M6lVK2vLJJK8oz?= =?us-ascii?Q?psJq9pXKHBgr92HafFMuNUSXsYmG4KC3nOJla6aRREuRYnPr5X7dzrKkya1Z?= =?us-ascii?Q?An8X/lphoI4jzgitTjGfhS5v0RjRGebQHqEIO7G7STSG+e/aQg5qAmBuj+iS?= =?us-ascii?Q?2hPW1oQM2cPZaT3xpl6D+A+8KAtBD5dPdi2/kEvPj4EoURfubfmKVs77tS/O?= =?us-ascii?Q?bkrbB1q9TxJDWwyGcG7DDNkMw2EtxK7uBdBTkzRRc4N9urmWKiPt3mbBA8pi?= =?us-ascii?Q?NxjWz5ZiTMg9TivBqHayzlltYpTk2+TI/5sYK7Dayg2O97SzOCY3RcXIF7mg?= =?us-ascii?Q?IbT43w=3D=3D?= X-Forefront-Antispam-Report: CIP:198.47.21.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet201.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(36860700013)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 2R4FttafSX56oekQNH5PL2MX+5YBb/FrvX87xEerPIjDKF3KMrzDP86PbO8fv/mOQMJ18XhjTNtcw8gdRoOgK3XV8GaviRUEPwxyFxCmb+0Q3tyFRiSg5vKl26dqX3KjQoYKD4gO4sHCjIlSMgEmtUQwHWtFZmL6UtP+WCV3gAkV+ibAJpyTSRo9zEYr5j2hHtv672WS7aDDz2lfw7ppFPZU0UNUOrwqvARDlgVlJVVRNs2+lzNOgQqJn8WPKm2s9CCBqoPyfpOpoU3fVx3G4VTuqFnIO827HJr1zgn7XmNg/af6L5mSvA0S10TZ2uMiUjfDFM08J7bQm9XlHi6Pb9zerJ7KuEQuIMa2hF5Uu3mCv6mU0k3i08DZDmL5WULbhCzFPKtFQUNMk75D6fMuytoBlcktuDjBMuGINiXPkA2n+X+l99wDMOKD5vLrJfv/ X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Feb 2026 19:19:18.5464 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: de729ef0-844d-4f11-c1ef-08de65b4a002 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EDD0.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR10MB7327 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260206_111924_949420_5911B540 X-CRM114-Status: GOOD ( 16.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for detecting AM62P silicon revisions. On AM62P, silicon revision is discovered with GP_SW1 register instead of JTAGID register. Use the NVMEM framework to read GP_SW1 from the gpsw-efuse nvmem provider to determine SoC revision. Signed-off-by: Judith Mendez --- Changes since v1: - Drop valid bit check, and determine all silicon revisions from ADR register bits - In k3_chipinfo_get_gpsw_variant, merge detection of final return value and return action - k3_chipinfo_get_gpsw_variant parameter: switch pdev to dev --- drivers/soc/ti/k3-socinfo.c | 41 ++++++++++++++++++++++++++++++++++--- 1 file changed, 38 insertions(+), 3 deletions(-) diff --git a/drivers/soc/ti/k3-socinfo.c b/drivers/soc/ti/k3-socinfo.c index 42275cb5ba1c8..d8fbc243945f4 100644 --- a/drivers/soc/ti/k3-socinfo.c +++ b/drivers/soc/ti/k3-socinfo.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -25,6 +26,8 @@ #define CTRLMMR_WKUP_JTAGID_VARIANT_SHIFT (28) #define CTRLMMR_WKUP_JTAGID_VARIANT_MASK GENMASK(31, 28) +#define GP_SW1_ADR_MASK GENMASK(3, 0) + #define CTRLMMR_WKUP_JTAGID_PARTNO_SHIFT (12) #define CTRLMMR_WKUP_JTAGID_PARTNO_MASK GENMASK(27, 12) @@ -70,6 +73,23 @@ static const char * const am62lx_rev_string_map[] = { "1.0", "1.1", }; +static const char * const am62p_gpsw_rev_string_map[] = { + "1.0", "1.1", "1.2", +}; + +static int +k3_chipinfo_get_gpsw_variant(struct device *dev) +{ + u32 gpsw_val = 0; + int ret; + + ret = nvmem_cell_read_u32(dev, "gpsw1", &gpsw_val); + if (ret) + return ret; + + return gpsw_val & GP_SW1_ADR_MASK; +} + static int k3_chipinfo_partno_to_names(unsigned int partno, struct soc_device_attribute *soc_dev_attr) @@ -86,9 +106,11 @@ k3_chipinfo_partno_to_names(unsigned int partno, } static int -k3_chipinfo_variant_to_sr(unsigned int partno, unsigned int variant, - struct soc_device_attribute *soc_dev_attr) +k3_chipinfo_variant_to_sr(struct platform_device *pdev, unsigned int partno, + unsigned int variant, struct soc_device_attribute *soc_dev_attr) { + int gpsw_variant = 0; + switch (partno) { case JTAG_ID_PARTNO_J721E: if (variant >= ARRAY_SIZE(j721e_rev_string_map)) @@ -102,6 +124,19 @@ k3_chipinfo_variant_to_sr(unsigned int partno, unsigned int variant, soc_dev_attr->revision = kasprintf(GFP_KERNEL, "SR%s", am62lx_rev_string_map[variant]); break; + case JTAG_ID_PARTNO_AM62PX: + /* Check GP_SW1 for silicon revision */ + gpsw_variant = k3_chipinfo_get_gpsw_variant(&pdev->dev); + if (gpsw_variant == -EPROBE_DEFER) + return gpsw_variant; + if (gpsw_variant < 0 || gpsw_variant >= ARRAY_SIZE(am62p_gpsw_rev_string_map)) { + dev_warn(&pdev->dev, "Failed to get silicon variant (%d), set SR1.0\n", + gpsw_variant); + gpsw_variant = 0; + } + soc_dev_attr->revision = kasprintf(GFP_KERNEL, "SR%s", + am62p_gpsw_rev_string_map[gpsw_variant]); + break; default: variant++; soc_dev_attr->revision = kasprintf(GFP_KERNEL, "SR%x.0", @@ -173,7 +208,7 @@ static int k3_chipinfo_probe(struct platform_device *pdev) goto err; } - ret = k3_chipinfo_variant_to_sr(partno_id, variant, soc_dev_attr); + ret = k3_chipinfo_variant_to_sr(pdev, partno_id, variant, soc_dev_attr); if (ret) { dev_err(dev, "Unknown SoC SR[0x%08X]: %d\n", jtag_id, ret); goto err; -- 2.52.0