From patchwork Mon Oct 17 12:12:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Mahapatra, Amit Kumar" X-Patchwork-Id: 616659 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43C96C43219 for ; Mon, 17 Oct 2022 12:17:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230216AbiJQMRA (ORCPT ); Mon, 17 Oct 2022 08:17:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230418AbiJQMQt (ORCPT ); Mon, 17 Oct 2022 08:16:49 -0400 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (mail-co1nam11on2042.outbound.protection.outlook.com [40.107.220.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4313E5FAED; Mon, 17 Oct 2022 05:16:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ofkS6zmSlU/L160fuk3kmJfu8LrH7414/6LHGgdWrq21sR+entrcv7NnwzY8bJFiW/D4EDXWghc5r1YSsjVT0KjsjQFhZNFzxoBOobPKD8LGHeweb2WI6dhSMIZAhagtR5DKY/c6imrmvRDJs99ivF1j5pwayKNeGKjMEShz9vmvItjNbA1yPavRArjqK0iSRXzfvAOjQ/GA/kK/6QhwovQDK4aD52JdDTnCi/LrxRBZrUpjSax3Y1MaDN/xRK9C2QQVYF7xHXIRrKSNg2UWAymqosFZvB1cPSJRuDiXRilDhIRuPiGDdeMwnW4EEOQnO8lPh3qWG+3LolgrVrAh2w== 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=uwd9qUuHdsHBoeDJaDZzMkmq1y0m1ydAGqQ/2KCaDWk=; b=YZFfDCujCF4TiMP8nsg2fPU5cr5GKwq7exQIt2NDVP4TMTmCdNSAIzumpwj4ToK9s8NZwLDIpZCBFbDX6yJps04DQLeuNx8xnjuuXQqOKeYVNpI0ouE/1vYePUpAnaojVvEPbLH33Jh2bjtn8ZHoadLLdiCgsoLE3dL25R9HygxGxbe5F4shdolc7/zlVbPxOrC+k1biAvkd6OtUpxJryzd6w4YflQRQOk+Cy6y6F6K5+B6DwmshPTBRsluDzQO19EL5S/P01LvUUFZYg4S6zML0dE96fdz/akra4CNnhTzkza9pVn3QCerlRFN+4FEHs2jQrMFKxff5Z+cUYRF4Aw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.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=uwd9qUuHdsHBoeDJaDZzMkmq1y0m1ydAGqQ/2KCaDWk=; b=rvpNhsHsvaPXQyDMcXhnaphwV6MTgGmlA+SGT+izmUQCOOVvd4rChDkr8S+tyvIno/ZmeClZlTLjpNF+h5JEFos0ggjTTYWaQQFG2rsJ2tXR5SDU7WyoweFIocx4WsDqnxQBU+AahDSPEkepuWnHXTEYNVB5+dYMnmwcNr2874c= Received: from BN9PR03CA0795.namprd03.prod.outlook.com (2603:10b6:408:13f::20) by MW4PR12MB6874.namprd12.prod.outlook.com (2603:10b6:303:20b::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5723.29; Mon, 17 Oct 2022 12:16:08 +0000 Received: from BN8NAM11FT103.eop-nam11.prod.protection.outlook.com (2603:10b6:408:13f:cafe::8a) by BN9PR03CA0795.outlook.office365.com (2603:10b6:408:13f::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5723.31 via Frontend Transport; Mon, 17 Oct 2022 12:16:08 +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 BN8NAM11FT103.mail.protection.outlook.com (10.13.176.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5723.20 via Frontend Transport; Mon, 17 Oct 2022 12:16:08 +0000 Received: from SATLEXMB07.amd.com (10.181.41.45) 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 15.1.2375.31; Mon, 17 Oct 2022 07:16:07 -0500 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB07.amd.com (10.181.41.45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 17 Oct 2022 05:16:06 -0700 Received: from xhdlakshmis40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2375.31 via Frontend Transport; Mon, 17 Oct 2022 07:15:43 -0500 From: Amit Kumar Mahapatra To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Amit Kumar Mahapatra Subject: [PATCH 07/10] spi: spi-zynqmp-gqspi: Add stacked memories support in GQSPI driver Date: Mon, 17 Oct 2022 17:42:46 +0530 Message-ID: <20221017121249.19061-8-amit.kumar-mahapatra@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221017121249.19061-1-amit.kumar-mahapatra@amd.com> References: <20221017121249.19061-1-amit.kumar-mahapatra@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT103:EE_|MW4PR12MB6874:EE_ X-MS-Office365-Filtering-Correlation-Id: 168266ee-b613-4b35-5fbb-08dab0395f1c 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:(13230022)(4636009)(396003)(376002)(346002)(136003)(39860400002)(451199015)(36840700001)(40470700004)(46966006)(83380400001)(186003)(336012)(2616005)(1076003)(2906002)(40460700003)(26005)(8676002)(41300700001)(4326008)(82740400003)(47076005)(426003)(40480700001)(86362001)(81166007)(82310400005)(356005)(921005)(36860700001)(316002)(54906003)(7406005)(36756003)(8936002)(5660300002)(7416002)(7366002)(7336002)(70206006)(70586007)(110136005)(478600001)(2101003)(83996005)(41080700001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2022 12:16:08.0416 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 168266ee-b613-4b35-5fbb-08dab0395f1c 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: BN8NAM11FT103.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB6874 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org GQSPI supports two chip select CS0 & CS1. Update the driver to assert/de-assert the appropriate chip select as per the bits set in qspi->cs_index_mask. Signed-off-by: Amit Kumar Mahapatra --- drivers/spi/spi-zynqmp-gqspi.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 35ff734fb82d..4759f704bf5c 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -156,6 +156,9 @@ #define GQSPI_FREQ_100MHZ 100000000 #define GQSPI_FREQ_150MHZ 150000000 +#define GQSPI_SELECT_LOWER_CS BIT(0) +#define GQSPI_SELECT_UPPER_CS BIT(1) + #define SPI_AUTOSUSPEND_TIMEOUT 3000 enum mode_type {GQSPI_MODE_IO, GQSPI_MODE_DMA}; @@ -467,15 +470,17 @@ static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high) genfifoentry |= GQSPI_GENFIFO_MODE_SPI; + if (qspi->cs_index_mask & GQSPI_SELECT_UPPER_CS) { + zynqmp_gqspi_selectslave(xqspi, + GQSPI_SELECT_FLASH_CS_UPPER, + GQSPI_SELECT_FLASH_BUS_LOWER); + } else if (qspi->cs_index_mask & GQSPI_SELECT_LOWER_CS) { + zynqmp_gqspi_selectslave(xqspi, + GQSPI_SELECT_FLASH_CS_LOWER, + GQSPI_SELECT_FLASH_BUS_LOWER); + } + genfifoentry |= xqspi->genfifobus; if (!is_high) { - if (!qspi->chip_select[0]) { - xqspi->genfifobus = GQSPI_GENFIFO_BUS_LOWER; - xqspi->genfifocs = GQSPI_GENFIFO_CS_LOWER; - } else { - xqspi->genfifobus = GQSPI_GENFIFO_BUS_UPPER; - xqspi->genfifocs = GQSPI_GENFIFO_CS_UPPER; - } - genfifoentry |= xqspi->genfifobus; genfifoentry |= xqspi->genfifocs; genfifoentry |= GQSPI_GENFIFO_CS_SETUP; } else {