From patchwork Wed Feb 20 05:46:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 1045092 X-Patchwork-Delegate: uboot@andestech.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=wdc.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=wdc.com header.i=@wdc.com header.b="GP98Fy0t"; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=sharedspace.onmicrosoft.com header.i=@sharedspace.onmicrosoft.com header.b="P6w9NN6R"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 44467r0zyGz9s4Y for ; Wed, 20 Feb 2019 16:47:36 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id CD8AAC22041; Wed, 20 Feb 2019 05:47:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=BAD_ENC_HEADER, KHOP_BIG_TO_CC, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 5741FC21FF7; Wed, 20 Feb 2019 05:47:14 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 51AC8C21FDC; Wed, 20 Feb 2019 05:46:32 +0000 (UTC) Received: from esa2.hgst.iphmx.com (esa2.hgst.iphmx.com [68.232.143.124]) by lists.denx.de (Postfix) with ESMTPS id 02ED6C22005 for ; Wed, 20 Feb 2019 05:46:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1550641628; x=1582177628; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=K/kNbbU4OzFs1n0QiJklFreVcLLbip2rY4C5Ejf7+SQ=; b=GP98Fy0tMy2P8X/VfamHix64caUdjwCSToA/4oW1yqEV+FX/JQmXR+t9 3p/L/X8d+sX6FnBPugndGKQvsdiKh+lpCnKXtEyHnjCn8+s0oqaYOYQBU tpc7o89dxIae6++GNR2RLQjkQCMVnfs6W6zk+L2MJtXjXxJGcgDlrQiSC EiKVaa9K3w7SXvHl1g+jcMU12gAjsx893CEnqqA8Oa0Dg2uVXkJmp0Wbk m4NHBiN9Mxjc2XvjiHd+yv04A1S4VnTNvW/E7MxoEFCtrN3DTNFb3nZsS XHQl/6eGT0dpy0yZeRUyo5jLM9o15RglmB2PqZgMl476m2zt8aaMUlCVM w==; X-IronPort-AV: E=Sophos;i="5.58,388,1544457600"; d="scan'208";a="200004774" Received: from mail-co1nam04lp2050.outbound.protection.outlook.com (HELO NAM04-CO1-obe.outbound.protection.outlook.com) ([104.47.45.50]) by ob1.hgst.iphmx.com with ESMTP; 20 Feb 2019 13:47:04 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector1-wdc-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Rpk/XN7Lg2I6GJgqfRw3BepiYnKjncupt56lTf/FP44=; b=P6w9NN6RVpt29k7CP0dW8EWwDttJsscWV1kt7CwHdKik83LbttscAbXZmYrpu5t/plCdT8uKdudFZ3zQRmfB3ytXYFMZnX9wt6CuDrH2oCLstCy+Q089m2GJaObsCzpxRxnh1wamfMxa7ja6cbjMldeCBHiQNUBqAAWSTrWKch0= Received: from DM6PR04MB6059.namprd04.prod.outlook.com (20.178.226.89) by DM6PR04MB5513.namprd04.prod.outlook.com (20.178.224.156) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1643.14; Wed, 20 Feb 2019 05:46:25 +0000 Received: from DM6PR04MB6059.namprd04.prod.outlook.com ([fe80::d006:5be7:c3f:ba6c]) by DM6PR04MB6059.namprd04.prod.outlook.com ([fe80::d006:5be7:c3f:ba6c%2]) with mapi id 15.20.1622.018; Wed, 20 Feb 2019 05:46:25 +0000 From: Anup Patel To: Rick Chen , Bin Meng , Joe Hershberger , Michal Simek , Michal Simek , Lukas Auer , Masahiro Yamada , Simon Glass Thread-Topic: [PATCH v8 03/15] riscv: Add asm/dma-mapping.h for DMA mappings Thread-Index: AQHUyN+dtsSv3Qv9VE6pHuQY6F9Jog== Date: Wed, 20 Feb 2019 05:46:25 +0000 Message-ID: <20190220054531.5345-4-anup.patel@wdc.com> References: <20190220054531.5345-1-anup.patel@wdc.com> In-Reply-To: <20190220054531.5345-1-anup.patel@wdc.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BYAPR03CA0014.namprd03.prod.outlook.com (2603:10b6:a02:a8::27) To DM6PR04MB6059.namprd04.prod.outlook.com (2603:10b6:5:129::25) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Anup.Patel@wdc.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-originating-ip: [129.253.179.161] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 3073ac8b-f0fb-4228-c4ef-08d696f6bff2 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600110)(711020)(4605104)(4618075)(2017052603328)(7153060)(7193020); SRVR:DM6PR04MB5513; x-ms-traffictypediagnostic: DM6PR04MB5513: wdcipoutbound: EOP-TRUE x-microsoft-exchange-diagnostics: =?iso-8859-1?Q?1; DM6PR04MB5513; 23:5Qr5wT5Sw481WVW/et6ISHVxYGR2UF65q1U2cX/?= =?iso-8859-1?q?kIcjC8aaEQDE896wELAzKmDJm?= =?iso-8859-1?q?Nnhm+MetUmlkSjYGlB1jIT4xC+mS+opYfZt+iBq9wzQNNg2nFR9?= =?iso-8859-1?q?L4mcz8EMlBDrWzaoH8SZ236Cv0k3944FEchCGhszjfBZ8pwGaWz?= =?iso-8859-1?q?KU+hvdAh8shmBSrN2I59eMDU+Wc4NPBRHbc+jCuv/CjXHsJQ7Dd?= =?iso-8859-1?q?3BE8ucVlnYovI7BJe/ZqUvqaCN+Qoo7ESHZwbqvnOGWzcwnV1C2?= =?iso-8859-1?q?/ZkMmmHndOWDOUs7SMeA0tUy8x3xxv3HjcmQtvTHiUDBekNj1Dj?= =?iso-8859-1?q?KP4N66E3K2/v/WrdWJgXatWxnfZOQrmKjWVrPzIHqdhFXPg8w4O?= =?iso-8859-1?q?ptKxBoUeXBtGWAOhWd+8qfvPcCgfaoZf4fm/VQHmwKzanBD4uxq?= =?iso-8859-1?q?0u+iQ2X8TXKjOx35OXdlnNHjjbJZzn+JwozRRoLqHnE/J9SvmgS?= =?iso-8859-1?q?wZScw9yi+oCqOR2kk0Dgsui2kOgNIVSsv8aIihOQZ3Uij6oOhZQ?= =?iso-8859-1?q?Ryx9Gqo5f2LOY0kY0l3q83PhO/MfISu6y4/Mjjd6Qlyj0iSKLAb?= =?iso-8859-1?q?ZHR+Ue8wVolh90XkIozEYjIq4HX/Sc5QiYr3k29BjNS3qs5Zxcd?= =?iso-8859-1?q?TDb36EuxgTLVwc70FzSOZgtPz+ym6q8z0HdEOBxCRZtzEe4RDHv?= =?iso-8859-1?q?k4G7RQEOXLUioVQccoW8oB2WX2ib4BemKGUJpMlBKhjultI7Wsa?= =?iso-8859-1?q?6PWSEDITTorSdkypQiqeSsib5847uQKBj7+AX8Hkgxg/DN76EYW?= =?iso-8859-1?q?ldodeMkOnf13GGnXx2u7a+xpO7cR52ESKq8iGOlDGDDHdMT4IvL?= =?iso-8859-1?q?Et12TRZNNyGVxcKT6tCKo34gyPVONJb7D/0ec4+jnXs/5Y74CQN?= =?iso-8859-1?q?SciQSpSghRfCnNCWxqTS7YBWOqQOFBnmD3u+U8d7IrunZ7TZpKZ?= =?iso-8859-1?q?RNfumHF+9H2W0p/WEzxmZo31poBJTaR4T4+HQtPwq9zfhmWRkOS?= =?iso-8859-1?q?NRoeVlpm9rz8YaJTEuxRSH+WOi1Un92+12yPgf+bSvGo2UuqCk/?= =?iso-8859-1?q?NdFNta8Lfh1pmiSClMbYBi2XyE7Nbo84LNLL+7Dn5s50VXyBE9l?= =?iso-8859-1?q?XReM2bDa/2HRA8uUf9TB5UFgi3Q/2tQC6yyl6HdKBT7f+RWnnZP?= =?iso-8859-1?q?XMMJJI9fj2ewxvkZ0EhMz91KCsw29lVVANyfDW5+MDzAHA5BE6/?= =?iso-8859-1?q?G4G+ZERbpvKMhuqCKDgZV6JZ1BPM+csaFIbm9z5oPvjjAZHVMJb?= =?iso-8859-1?q?lFsAnBYmLonNTTccfE3Ts/VSkTbL3ov2T6XB+64Rx07?= x-microsoft-antispam-prvs: x-forefront-prvs: 0954EE4910 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(39860400002)(136003)(376002)(396003)(366004)(346002)(199004)(189003)(81166006)(81156014)(386003)(486006)(11346002)(6506007)(26005)(8936002)(6116002)(3846002)(102836004)(68736007)(7736002)(71200400001)(71190400001)(99286004)(97736004)(52116002)(305945005)(5660300002)(106356001)(476003)(446003)(2616005)(36756003)(186003)(76176011)(1076003)(4326008)(8676002)(44832011)(105586002)(54906003)(86362001)(25786009)(6436002)(6512007)(66066001)(256004)(50226002)(6486002)(7416002)(53936002)(14454004)(2906002)(72206003)(316002)(110136005)(478600001); DIR:OUT; SFP:1102; SCL:1; SRVR:DM6PR04MB5513; H:DM6PR04MB6059.namprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 0GMljF7bxRffsysdbfmUhWibG/bKrsv/A+1RHTiE9s1GFV/a8YfYejYAgLCSJrT0Ra28ywBEbpLTyCBIFhvdP97Hxo8diRH6j/VSgqz8OaGD1uMphBUTr4Hp3rnv4AbiNvNGwiQKX98LhMqerqAct9AKt+kDpkY77ZanYDNp+XN6trnCnU3Gv+Zv/lA+NWHqAhRKNW6HqAjWk7aw+aJme/BPdXkPDNH5AYR8zA59Slb1t0LH3Ruhr+4JsAD1ssZBuKqJsk04M8tKQ7gr01PJudMW2vGYIhPEDSaoAg9y8BcY5K6JSYUmddKZbZK/qjF3jsDlJ96HxpN1K4XNZ1CJzJMRQqLqcs+w0ieNv2T77V+H9rh787+vZryjF1HsPZWE2g8nfNJqwNCnfiEwtzpgka9cm8Wqjl5AbfWumTF5peU= MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3073ac8b-f0fb-4228-c4ef-08d696f6bff2 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Feb 2019 05:46:20.1431 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR04MB5513 Cc: Palmer Dabbelt , Alexander Graf , U-Boot Mailing List Subject: [U-Boot] [PATCH v8 03/15] riscv: Add asm/dma-mapping.h for DMA mappings X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" This patch adds asm/dma-mapping.h for Linux-like DMA mappings APIs required by some of the drivers (such as, Cadance MACB Ethernet driver). Signed-off-by: Anup Patel Reviewed-by: Bin Meng Reviewed-by: Alexander Graf Reviewed-by: Lukas Auer --- arch/riscv/include/asm/dma-mapping.h | 38 ++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/riscv/include/asm/dma-mapping.h diff --git a/arch/riscv/include/asm/dma-mapping.h b/arch/riscv/include/asm/dma-mapping.h new file mode 100644 index 0000000000..3d930c90ec --- /dev/null +++ b/arch/riscv/include/asm/dma-mapping.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2018 Western Digital Corporation or its affiliates. + * + * Authors: + * Anup Patel + */ + +#ifndef __ASM_RISCV_DMA_MAPPING_H +#define __ASM_RISCV_DMA_MAPPING_H + +#include + +#define dma_mapping_error(x, y) 0 + +static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) +{ + *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len); + return (void *)*handle; +} + +static inline void dma_free_coherent(void *addr) +{ + free(addr); +} + +static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, + enum dma_data_direction dir) +{ + return (unsigned long)vaddr; +} + +static inline void dma_unmap_single(volatile void *vaddr, size_t len, + unsigned long paddr) +{ +} + +#endif /* __ASM_RISCV_DMA_MAPPING_H */