From patchwork Thu Oct 19 06:06:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Praveen Teja Kundanala X-Patchwork-Id: 735879 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89F911FD2 for ; Thu, 19 Oct 2023 06:07:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="Ceem4DDH" Received: from NAM02-BN1-obe.outbound.protection.outlook.com (mail-bn1nam02on2044.outbound.protection.outlook.com [40.107.212.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE23F19E; Wed, 18 Oct 2023 23:07:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=fbUrfb/+UTIUq68gWJkGm8kA1bxaOCq76s7AV8P4OXRbBhapzhZJo8oyNT0DDNEnBelomplY4pf/gOvm9hR05X7OlFXr/NdukiLtb4tblquU8nOvlMPNcNsQOpVkwX+16esfsU82KOchJftB7zQj0KjdqZszZSYTNgf/jszK7NLXVqgCmHOtbQ+xhot53ognv/aMeUnYxON9XYY9eGZZrbG4aTXilVPCJiuiAH2gP9kCDCx16Njdaw6vDWV+YpKV9Gvn8yognscb1xcCYgeFDIleEpyS2EHVmkw7mhvAdBr6xC6QdhJSxLxHUVYOwY65rfNYvX4wpJV5NXPVbPDgRg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=pN86kemZZhr5+jJZSILS4xn8mKmE10N+gyBJS7TIt/s=; b=ehKrdrBu5uUW/1aCZ1e8SKt1WViJ9hBiwnMDaz7smuyd2JjksrxGv8Bss2/UcoLex9S8dFRXtNG4r8DgLhYiUlVxtXl8WJKUkBIDazo2HciqEnrdCpbij7ddB7fdIffCjJsUJyAYLw+9D+B6v6wH1nTsFIv3B/h7GC+t33ANj3k/F8FTRVn+jwP0EBwek+d097q+3WdrfF6GiUTYDotI9p6AZg2II8gYWtTVppbgQRhaEjVp708Lyh00Tf/+TeGW69XzPTi5m6dF5rMfy4y3YrNjbcVTMbGe/yB8CEVqQZGLcnL+eQB9Z62p/kw+VWKvHp6XhlNvQQ5Ih4pE4ah8nQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=linaro.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=pN86kemZZhr5+jJZSILS4xn8mKmE10N+gyBJS7TIt/s=; b=Ceem4DDHKgC4cZhSHzgw7P+AKbaIyriBlz3b/4ULYqOzYwmgJ+dXFSj4TXFOruqYWGD9SmJyZqXZNSbQQjYM9L1e0NngDpMtC1KChirMa4biBssy+uHLT3GTwUXuMLBMZJR73AVf5Va3Vx2XWHpaJBMVwM+w/HDTDaIxc7Nm+JE= Received: from CH2PR19CA0006.namprd19.prod.outlook.com (2603:10b6:610:4d::16) by PH7PR12MB8593.namprd12.prod.outlook.com (2603:10b6:510:1b1::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6863.43; Thu, 19 Oct 2023 06:07:35 +0000 Received: from DS3PEPF000099D6.namprd04.prod.outlook.com (2603:10b6:610:4d:cafe::a) by CH2PR19CA0006.outlook.office365.com (2603:10b6:610:4d::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6907.21 via Frontend Transport; Thu, 19 Oct 2023 06:07:34 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DS3PEPF000099D6.mail.protection.outlook.com (10.167.17.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6907.20 via Frontend Transport; Thu, 19 Oct 2023 06:07:34 +0000 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Thu, 19 Oct 2023 01:07:20 -0500 Received: from xhdharshah40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2507.27 via Frontend Transport; Thu, 19 Oct 2023 01:07:18 -0500 From: Praveen Teja Kundanala To: , , , , , , , CC: Subject: [PATCH V2 1/5] firmware: xilinx: Add ZynqMP efuse access API Date: Thu, 19 Oct 2023 11:36:47 +0530 Message-ID: <20231019060651.23341-2-praveen.teja.kundanala@amd.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20231019060651.23341-1-praveen.teja.kundanala@amd.com> References: <20231019060651.23341-1-praveen.teja.kundanala@amd.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D6:EE_|PH7PR12MB8593:EE_ X-MS-Office365-Filtering-Correlation-Id: 761ad36e-31a0-46f2-c1a5-08dbd069b00d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(4636009)(39860400002)(396003)(346002)(136003)(376002)(230922051799003)(451199024)(64100799003)(186009)(1800799009)(82310400011)(46966006)(40470700004)(36840700001)(5660300002)(82740400003)(8676002)(356005)(81166007)(4326008)(8936002)(41300700001)(40460700003)(103116003)(86362001)(2906002)(40480700001)(1076003)(36860700001)(336012)(2616005)(47076005)(6666004)(36756003)(26005)(426003)(478600001)(70206006)(110136005)(70586007)(83380400001)(316002)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Oct 2023 06:07:34.5954 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 761ad36e-31a0-46f2-c1a5-08dbd069b00d X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D6.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB8593 Add zynqmp_pm_efuse_access API in the ZynqMP firmware for read/write access of efuse memory. Signed-off-by: Praveen Teja Kundanala --- drivers/firmware/xilinx/zynqmp.c | 25 +++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 8 ++++++++ 2 files changed, 33 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 4cc1ac7f76ed..5a4f7256b9e7 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -3,6 +3,7 @@ * Xilinx Zynq MPSoC Firmware layer * * Copyright (C) 2014-2022 Xilinx, Inc. + * Copyright (C), 2022 - 2023 Advanced Micro Devices, Inc. * * Michal Simek * Davorin Mista @@ -1435,6 +1436,30 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out) } EXPORT_SYMBOL_GPL(zynqmp_pm_aes_engine); +/** + * zynqmp_pm_efuse_access - Provides access to efuse memory. + * @address: Address of the efuse params structure + * @out: Returned output value + * + * Return: Returns status, either success or error code. + */ +int zynqmp_pm_efuse_access(const u64 address, u32 *out) +{ + u32 ret_payload[PAYLOAD_ARG_CNT]; + int ret; + + if (!out) + return -EINVAL; + + ret = zynqmp_pm_invoke_fn(PM_EFUSE_ACCESS, upper_32_bits(address), + lower_32_bits(address), 0, 0, + ret_payload); + *out = ret_payload[1]; + + return ret; +} +EXPORT_SYMBOL_GPL(zynqmp_pm_efuse_access); + /** * zynqmp_pm_sha_hash - Access the SHA engine to calculate the hash * @address: Address of the data/ Address of output buffer where diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index e8b12ec8b060..4f574fab74eb 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -3,6 +3,7 @@ * Xilinx Zynq MPSoC Firmware layer * * Copyright (C) 2014-2021 Xilinx + * Copyright (C), 2022 - 2023 Advanced Micro Devices, Inc. * * Michal Simek * Davorin Mista @@ -143,6 +144,7 @@ enum pm_api_id { PM_CLOCK_GETPARENT = 44, PM_FPGA_READ = 46, PM_SECURE_AES = 47, + PM_EFUSE_ACCESS = 53, PM_FEATURE_CHECK = 63, }; @@ -534,6 +536,7 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities, const u32 qos, const enum zynqmp_pm_request_ack ack); int zynqmp_pm_aes_engine(const u64 address, u32 *out); +int zynqmp_pm_efuse_access(const u64 address, u32 *out); int zynqmp_pm_sha_hash(const u64 address, const u32 size, const u32 flags); int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags); int zynqmp_pm_fpga_get_status(u32 *value); @@ -727,6 +730,11 @@ static inline int zynqmp_pm_aes_engine(const u64 address, u32 *out) return -ENODEV; } +static inline int zynqmp_pm_efuse_access(const u64 address, u32 *out) +{ + return -ENODEV; +} + static inline int zynqmp_pm_sha_hash(const u64 address, const u32 size, const u32 flags) {