From patchwork Mon Mar 6 17:21:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Mahapatra, Amit Kumar" X-Patchwork-Id: 13162020 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 CDC39C64EC4 for ; Mon, 6 Mar 2023 17:36:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230431AbjCFRgK (ORCPT ); Mon, 6 Mar 2023 12:36:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230496AbjCFRgC (ORCPT ); Mon, 6 Mar 2023 12:36:02 -0500 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on20611.outbound.protection.outlook.com [IPv6:2a01:111:f400:7e89::611]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3E4B937569; Mon, 6 Mar 2023 09:35:34 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AIN69o9oBiVAT3VNV3ZHy8Sx8JTGTGBWrhhUUbatp0K+QWxGmn1imFd5PRFQvubiZhDlDwzhfK5Hsn6xut34uiX9EvTkc4XhbzmlHRZ+oi+N5nVMDIooXTCiSE8jOBCtDORhE93re7FX2GfsdwX0JfftfjaPoVIIi0uOwtLMy+iX3KkULg7LaM3fKCRJAJ6xHpeZZuRXKom3z3p0t7luRCPZuZvseYAaJdUe6F9PbrVPG/PXszdd4SJKHlmyemw7u0WbDwdOL4BiQ56MhKXLsbUBuyKbAEdUX2GjAomLrGTIl+f/wTDzvI1N7LBvGwFcOAb3KtV66cnfKEs/oynHFQ== 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=SAhIOHKu4HJGlav21Dv/GMi46fbF1Mnp5ITBekjHuvY=; b=Tfk95eLD00TMfzdxkjXbbuGX97NZUQ/qVp9F4flB9JBQ0YawHkcUlXMTxeQ0o1/ViiZKX31iSiF8YYGYN4GEfNXQai/WhaK34GCAb76OAeoubwGt7EVbO1xx4jsSx3HwNvqo2UBhcl6VeLx67A2kfvFvKjHxl3Z+vo0hwIxDV9xqn9u55A7YzB8PfhlqXommTK7CY7Y4sAfQOG0XkkJJDPyuDZhh6RZjDjMSi76RaUrVls1kwt/DOj7eJcyVcWSxJkP+B9+XD1HylAcFWwFIx/eFyD2ddHjKTrFwiBLFFFh7IF///TfB7wV0A6VQmUKq6AgsZcIgKVorJq+pg3xXzQ== 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=SAhIOHKu4HJGlav21Dv/GMi46fbF1Mnp5ITBekjHuvY=; b=FF+PhqyQct0vzVRiLc7t9NZ/76RfrsygXf9klSr1SWz62z3pEYTfaSWwCB4oBNA1I9nHwzA/EtIPrqPbP5YJU6JeaKDJ8jEQyum0kXZMDyhxrVauyI7z6QZNMv7vXcxrH2lUt/95IiC8JGXpfhkS9vrLKGR7ZMJSW2Afzjwjs94= Received: from BN1PR13CA0012.namprd13.prod.outlook.com (2603:10b6:408:e2::17) by DM6PR12MB4529.namprd12.prod.outlook.com (2603:10b6:5:2ab::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6156.28; Mon, 6 Mar 2023 17:28:48 +0000 Received: from BN8NAM11FT098.eop-nam11.prod.protection.outlook.com (2603:10b6:408:e2:cafe::ca) by BN1PR13CA0012.outlook.office365.com (2603:10b6:408:e2::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6178.15 via Frontend Transport; Mon, 6 Mar 2023 17:28:47 +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=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by BN8NAM11FT098.mail.protection.outlook.com (10.13.177.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6178.15 via Frontend Transport; Mon, 6 Mar 2023 17:28:47 +0000 Received: from SATLEXMB08.amd.com (10.181.40.132) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Mon, 6 Mar 2023 11:28:45 -0600 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB08.amd.com (10.181.40.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Mon, 6 Mar 2023 09:28:44 -0800 Received: from xhdsneeli40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Mon, 6 Mar 2023 11:28:17 -0600 From: Amit Kumar Mahapatra To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH V5 13/15] spi: spi-zynqmp-gqspi: Add stacked memories support in GQSPI driver Date: Mon, 6 Mar 2023 22:51:07 +0530 Message-ID: <20230306172109.595464-14-amit.kumar-mahapatra@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230306172109.595464-1-amit.kumar-mahapatra@amd.com> References: <20230306172109.595464-1-amit.kumar-mahapatra@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT098:EE_|DM6PR12MB4529:EE_ X-MS-Office365-Filtering-Correlation-Id: 3e543323-77a1-40d0-fe52-08db1e683e99 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:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230025)(4636009)(396003)(376002)(136003)(346002)(39860400002)(451199018)(36840700001)(46966006)(40470700004)(36860700001)(86362001)(356005)(82740400003)(81166007)(921005)(36756003)(7336002)(7276002)(5660300002)(7366002)(7406005)(2906002)(70206006)(40480700001)(4326008)(70586007)(8936002)(8676002)(7416002)(41300700001)(82310400005)(1191002)(336012)(2616005)(186003)(26005)(83380400001)(47076005)(426003)(40460700003)(110136005)(54906003)(478600001)(316002)(1076003)(6666004)(84006005)(41080700001)(2101003)(83996005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Mar 2023 17:28:47.7362 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3e543323-77a1-40d0-fe52-08db1e683e99 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT098.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4529 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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 319cdd5a0bdc..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 (!spi_get_chipselect(qspi, 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 {