Message ID | 20231125092137.2948-9-amit.kumar-mahapatra@amd.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> 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 2E94BC61D9D for <linux-arm-kernel@archiver.kernel.org>; Sat, 25 Nov 2023 09:24:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KiA1+iewaXp+pyiwo5rq7UUOcnJEa663XLkD9bgFJvs=; b=yAy26koGuwMM2R j9h8RIJ/TGQvvxSOxZrnB3k8S1cnZ7xOwXEOQ1XDaxLfnYaPYcbttzdQHtDhcoipwhmx3giLsjisB GBRtCCvJgczEOcgSG7kaCvuha62zj27Ga/exRg6CVU3XwxE9azkkXej795lwge1sTUAgygTgttx3O Hy0BfYD0XCnjT34Kb0TIbRUXput/FFwcvCdA4JpWgVtxhDinxKOSHN78AZe5AquX1uJDNEbjAAV4I c6mZvpzPGvbbcBtp/asdTFEexFlGP8GGN3yKYesj+uxd9y6d92HkvF2oF4BkjdPGgriPGb+cHkeGf BUSyO8Sa6D84RGtVEBNg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r6otK-008vPI-23; Sat, 25 Nov 2023 09:23:58 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r6otJ-008vMR-03; Sat, 25 Nov 2023 09:23:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:CC:To:From:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=MQa9GPkrCGOp5ad8QlFuAGLTRq4s361ZkeiJ5fBIuRg=; b=kJlDJQydl4EyWBUqD9iT2LrB7D GUr+wnv866x951wGSCGj5oQcfgSSPeFOXcXac0JFsmOFxowdCHTIAoh4yJj1f3GhELUn0VTz1FL7V XwHheRT2A+hr3N0+Gj+udbgw5XExq/l3qX3blYQf8huPFhjf/2HuS6AQQW1nwSYH7kV7snSfasx6R rpdBy2ajR1VDuHC5HqWDierlx2duMb9BeM42N9dXiJVm6FHKq5kinxKjdle3qZP+oW9xopdeCja0W 4HcWpOChVEliJ6eYui+f/3omBoOfRMplT7XhI/ev4rs8XIKm3tH4JtNgAsU+DYsdTQm4hzsXSFEyS lKzXMK7g==; Received: from mail-dm6nam10on20630.outbound.protection.outlook.com ([2a01:111:f400:7e88::630] helo=NAM10-DM6-obe.outbound.protection.outlook.com) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r6ose-00EcFD-1j; Sat, 25 Nov 2023 09:23:54 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bqz4dkzWJ14pHF61jCW8D3e0I8cZrJVqNr52rvD9EUIjT3HonW0wGa/ZZ0RKkjoXYrAvvWbwTA01+ceqReheYbgQP/5R3SybbOSzkdUHlP1FMG4nZPPpiEcs9pC5Ggi2ht7rV0mIkAM9AoBVSJzbKSzWGSgvRb9hukVEpPz76Jg1O3a4paBRR5edHaGOjBex8yfh7itRV2vRp97pXfyombtoiT5OKR4tUFHIlET1XCRJ1eV6vPJ/GOFieebV47GttxDTo47kFXCPUTdC1rtTEtt/g0ZEmYdRHfalWLcwnENw6wgJjRkc2s1D4+U09NY4440AaIT51VbR+yuElICHtQ== 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=MQa9GPkrCGOp5ad8QlFuAGLTRq4s361ZkeiJ5fBIuRg=; b=N2v+Mi69ZQkedgx8ZK0MPtJkqdlMh1e9zUCh1hc+bcF1QP47ljckLe4nepPLZnIHkpApDPaqth9ezi9MmIUsYLpz7Bn/kxSVasv5nck1njlW2e5CsvLSH9bB4UqeSSNQLn474VxDQCYr0cXaYNXl/QLgeuBP71WNUUwPonRyCw4QeK5iKf9nW33hLABQmtfd2kXBGDRgU0TcbsLvvn9LlVxhMMBB83ee44YhfWU/yU5+yxEaQVPyao2Ci2Dnz6E6T+U9mSwOh7l8fCDt5isdGql5AYxuzMsl3kXJS81G/MoGqwD20nnOxbTnQ5gS8sxpju42Xf3P9Tl970YL2zWu5w== 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 (0) 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=MQa9GPkrCGOp5ad8QlFuAGLTRq4s361ZkeiJ5fBIuRg=; b=kNE4A3v6hjBnxhbxiCyOzlRtAGd16aLa9rnl0Ih0U9tifA/gzWgOk3zMfCTnHLSKlPS6LBlHIqZzYGz7DA0EuxvKUAFiLGylItp5KrXJnZhBeH4anbRgPBhizuz4ypm5BNH2mSHWbAUGWnZ0kZ61Z/0IbCKzUa0QvIdigzrdQJQ= Received: from DM6PR18CA0034.namprd18.prod.outlook.com (2603:10b6:5:15b::47) by IA1PR12MB7544.namprd12.prod.outlook.com (2603:10b6:208:42c::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7025.21; Sat, 25 Nov 2023 09:22:53 +0000 Received: from DS1PEPF0001709B.namprd05.prod.outlook.com (2603:10b6:5:15b:cafe::50) by DM6PR18CA0034.outlook.office365.com (2603:10b6:5:15b::47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7025.20 via Frontend Transport; Sat, 25 Nov 2023 09:22:52 +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 DS1PEPF0001709B.mail.protection.outlook.com (10.167.18.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7046.17 via Frontend Transport; Sat, 25 Nov 2023 09:22:52 +0000 Received: from SATLEXMB05.amd.com (10.181.40.146) 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 15.1.2507.34; Sat, 25 Nov 2023 03:22:50 -0600 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB05.amd.com (10.181.40.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.34; Sat, 25 Nov 2023 03:22:40 -0600 Received: from xhdakumarma40u.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2507.34 via Frontend Transport; Sat, 25 Nov 2023 03:22:33 -0600 From: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com> To: <broonie@kernel.org>, <tudor.ambarus@linaro.org>, <pratyush@kernel.org>, <miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>, <sbinding@opensource.cirrus.com>, <lee@kernel.org>, <james.schulman@cirrus.com>, <david.rhodes@cirrus.com>, <rf@opensource.cirrus.com>, <perex@perex.cz>, <tiwai@suse.com> Subject: [PATCH v11 08/10] spi: spi-zynqmp-gqspi: Add stacked memories support in GQSPI driver Date: Sat, 25 Nov 2023 14:51:35 +0530 Message-ID: <20231125092137.2948-9-amit.kumar-mahapatra@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231125092137.2948-1-amit.kumar-mahapatra@amd.com> References: <20231125092137.2948-1-amit.kumar-mahapatra@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709B:EE_|IA1PR12MB7544:EE_ X-MS-Office365-Filtering-Correlation-Id: 55080efe-9a16-4670-e2da-08dbed9819d7 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)(136003)(376002)(346002)(396003)(230922051799003)(451199024)(1800799012)(82310400011)(186009)(64100799003)(46966006)(40470700004)(36840700001)(70206006)(54906003)(70586007)(83380400001)(8936002)(8676002)(81166007)(316002)(82740400003)(110136005)(4326008)(356005)(40480700001)(426003)(5660300002)(40460700003)(336012)(7416002)(2906002)(41300700001)(47076005)(2616005)(36860700001)(1076003)(921008)(26005)(478600001)(86362001)(36756003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2023 09:22:52.6666 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 55080efe-9a16-4670-e2da-08dbed9819d7 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: DS1PEPF0001709B.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB7544 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231125_092317_131096_8A5B0BBA X-CRM114-Status: GOOD ( 12.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: git@amd.com, alexandre.belloni@bootlin.com, Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com>, alsa-devel@alsa-project.org, patches@opensource.cirrus.com, amitrkcian2002@gmail.com, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, michael@walle.cc, linux-mtd@lists.infradead.org, claudiu.beznea@tuxon.dev, linux-spi@vger.kernel.org, michal.simek@amd.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
spi: Add support for stacked/parallel memories
|
expand
|
diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 9a46b2478f4e..c5d12ddd4ab3 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -154,6 +154,9 @@ #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}; @@ -465,15 +468,17 @@ 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 {
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 <amit.kumar-mahapatra@amd.com> --- drivers/spi/spi-zynqmp-gqspi.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-)