From patchwork Tue Nov 21 17:38:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 119373 Delivered-To: patch@linaro.org Received: by 10.140.22.164 with SMTP id 33csp5567177qgn; Tue, 21 Nov 2017 09:40:19 -0800 (PST) X-Google-Smtp-Source: AGs4zMbeDv1qKqz0Yp2ViTTDLlupCEP/sqsd22UAyhL4c1h11fD0um7o/Q3aoH7Duohs6tLPn1Uk X-Received: by 10.80.158.196 with SMTP id a62mr25661540edf.307.1511286019102; Tue, 21 Nov 2017 09:40:19 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1511286019; cv=none; d=google.com; s=arc-20160816; b=X69pUWckz6XXYGEgmq2hdWB9X6cEQ4JvuiEizbpaOE1iqc/sr0sW71PfCYoljn/iAK qRGnYgoEYZFH5ECl8JL9ej45b0uVttLOWtjgcS98CmTDhfHCBmpk6j/blw4H/7Uw10YE kQkoh7Cg5JIBeZdZhGXuLaT5BhCDZJzri+mdnQFy2t+22BhBAApkl4hFsXhVc8QIjinU 3t3XLF+o1JewdtZsp9UxXK48pFPlHt780BHax5FcWKuV7jsyJBus5+3fVA3ybrJiSfgC 8YPnH/julUzFvs/eAaYHu0GCqb0JbDd8M0mS7Wn4aNpCIDRWle8sacHeyQcO3ZxFY8SG nQcQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:cc:references:in-reply-to:message-id :date:to:from:dkim-signature:dkim-filter:arc-authentication-results; bh=SBuWZL5lqZ6YDxWh3x2Jhhw7Kev4Qve6A66nFs/ILuA=; b=Fu2IEGFnpJoBZ8gum/vMge0I/TizbWJ8JQTbK4yBlF2cThsSBJgN4Ewyys1wYqeQYw ftTIyVOqYd+fayl/RyW+i2iagMAHlqGWHraLyMYaNSS9JgYJ6ajwFXCpT2/79WNAJ627 IAeiDTx3DQ/S16gwgVKYz/aphVWu6StJ57c343giuRnrGV775cBJMf4V8n4s/ihrgpW+ 5hIBNr5g8zBBeN7DiKSz1FPXR+zxEqya1JHHGxii6u+JnezUyfvEflez6E3R7ysdzhqf B3KAnQtTJ7lKsvwr7G8AknbiLQs4Zj8oHVZUgDQ8SgSsw5hx0XAoAaaAZ/FDLYvC0GLu hUVw== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=F//ENyM+; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Return-Path: Received: from lists.denx.de (dione.denx.de. [81.169.180.215]) by mx.google.com with ESMTP id q3si1740208edj.165.2017.11.21.09.40.18; Tue, 21 Nov 2017 09:40:19 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) client-ip=81.169.180.215; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=F//ENyM+; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by lists.denx.de (Postfix, from userid 105) id B00A2C21FEB; Tue, 21 Nov 2017 17:39:36 +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=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 C1027C21E4B; Tue, 21 Nov 2017 17:39:15 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 44D7CC21EDC; Tue, 21 Nov 2017 17:39:08 +0000 (UTC) Received: from conuserg-07.nifty.com (conuserg-07.nifty.com [210.131.2.74]) by lists.denx.de (Postfix) with ESMTPS id 91B79C21EE7 for ; Tue, 21 Nov 2017 17:39:06 +0000 (UTC) Received: from grover.sesame (FL1-125-199-20-195.osk.mesh.ad.jp [125.199.20.195]) (authenticated) by conuserg-07.nifty.com with ESMTP id vALHcbtw001225; Wed, 22 Nov 2017 02:38:41 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com vALHcbtw001225 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1511285921; bh=1QaXQ1MrlG92tduZMe459UA13Y3YeIMEcxABALM5b8M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F//ENyM+R7PddsQfVPFeKiUg68FOJ8/Kp0FqjLkWK+LBwV3WOBbb6YfT6Ogb8JcJc ykMg9UesycPaCbBIGR9S992c/4xDnn/08nPx/U/qDJY10KNbj+Fe3Cfjw07m7eB2xi 9TsWNJcPbVSkT4ilcRDSzakuwLt9W4mUoYGC16LquG4PMdatqK4bXP194bccTiuTCA SkjymRSjzvl5UNGSeuRzx2BYU2qxUilHAOdNRYBoBwJfv6S68YGmhr7Mdhc994JMoQ XEh5F5bZGw3YKXuEB9SDJdu8CeeNuDVkcmEyQBpyVaZbCxT9Ny5LyvD72/+T/uC2cc Qpg+uO8cMh0Lw== X-Nifty-SrcIP: [125.199.20.195] From: Masahiro Yamada To: u-boot@lists.denx.de Date: Wed, 22 Nov 2017 02:38:18 +0900 Message-Id: <1511285912-12452-9-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511285912-12452-1-git-send-email-yamada.masahiro@socionext.com> References: <1511285912-12452-1-git-send-email-yamada.masahiro@socionext.com> Cc: Scott Wood Subject: [U-Boot] [PATCH 08/22] mtd: nand: Expose data interface for ONFI mode 0 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: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" From: Sascha Hauer The nand layer will need ONFI mode 0 to use it as timing mode before and right after reset. Signed-off-by: Sascha Hauer Signed-off-by: Boris Brezillon [Linux commit: 6e1f9708dbf3c50a8da93c1952a01a7a2acb5e66] Signed-off-by: Masahiro Yamada --- drivers/mtd/nand/nand_timings.c | 11 +++++++++++ include/linux/mtd/nand.h | 2 ++ 2 files changed, 13 insertions(+) diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/nand_timings.c index b055d27..ba4f22f 100644 --- a/drivers/mtd/nand/nand_timings.c +++ b/drivers/mtd/nand/nand_timings.c @@ -297,3 +297,14 @@ int onfi_init_data_interface(struct nand_chip *chip, return 0; } EXPORT_SYMBOL(onfi_init_data_interface); + +/** + * nand_get_default_data_interface - [NAND Interface] Retrieve NAND + * data interface for mode 0. This is used as default timing after + * reset. + */ +const struct nand_data_interface *nand_get_default_data_interface(void) +{ + return &onfi_sdr_timings[0]; +} +EXPORT_SYMBOL(nand_get_default_data_interface); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index a633fd0..0b9fe3f 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -1183,6 +1183,8 @@ uint8_t nand_read_byte(struct mtd_info *mtd); /* get timing characteristics from ONFI timing mode. */ const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode); +/* get data interface from ONFI timing mode 0, used after reset. */ +const struct nand_data_interface *nand_get_default_data_interface(void); int nand_check_erased_ecc_chunk(void *data, int datalen, void *ecc, int ecclen,