From patchwork Wed Feb 8 12:16:48 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Hecht X-Patchwork-Id: 140128 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from merlin.infradead.org (unknown [IPv6:2001:4978:20e::2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id DF736B6F98 for ; Wed, 8 Feb 2012 23:18:55 +1100 (EST) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Rv6Sz-0001vl-31; Wed, 08 Feb 2012 12:17:41 +0000 Received: from mail-ey0-f177.google.com ([209.85.215.177]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Rv6Sj-0001t3-OU for linux-mtd@lists.infradead.org; Wed, 08 Feb 2012 12:17:26 +0000 Received: by mail-ey0-f177.google.com with SMTP id i1so158342eaa.36 for ; Wed, 08 Feb 2012 04:17:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=RCmfL0WCAc7VLaOZTOpz0eMhA0+TigqWtpLf/H6yTPM=; b=d2fsCqMnM62lgIoHl0qR4WsoQFkDa+vplx/V/H+bs5/G8O+aIGtLF6bsFmxeW4fzCc lfZatby0Xt0B3CzDgSJw3nPcWEKp0S5Ar01XGvrYtZhOtarYBANuPlAqot/ycnGfeIb0 dPM12MYaNfis22DIVofYjLSHGdI2uG+VGJqGw= Received: by 10.14.122.208 with SMTP id t56mr8359046eeh.31.1328703445362; Wed, 08 Feb 2012 04:17:25 -0800 (PST) Received: from localhost.localdomain (i59F746F2.versanet.de. [89.247.70.242]) by mx.google.com with ESMTPS id x4sm4642273eeb.4.2012.02.08.04.17.24 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 08 Feb 2012 04:17:24 -0800 (PST) From: Bastian Hecht To: linux-mtd@lists.infradead.org, linux-sh@vger.kernel.org Subject: [PATCH 4/7] mtd: sh_flctl: Implement NAND_CMD_RNDOUT command Date: Wed, 8 Feb 2012 13:16:48 +0100 Message-Id: <1328703411-3452-4-git-send-email-hechtb@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1328703411-3452-1-git-send-email-hechtb@gmail.com> References: <1328703411-3452-1-git-send-email-hechtb@gmail.com> X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.7 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.215.177 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hechtb[at]googlemail.com) -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Cc: Bastian Hecht , magnus.damm@gmail.com, laurent.pinchart@ideasonboard.com X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Implements the command to seek and read in pages. Signed-off-by: Bastian Hecht --- drivers/mtd/nand/sh_flctl.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 407acb5..5c3e71f 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -303,6 +303,7 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va break; case NAND_CMD_READ0: case NAND_CMD_READOOB: + case NAND_CMD_RNDOUT: addr_len_bytes = flctl->rw_ADRCNT; flcmdcr_val |= CDSRC_E; if (flctl->chip.options & NAND_BUSWIDTH_16) @@ -558,6 +559,18 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command, flctl->read_bytes = mtd->oobsize; goto read_normal_exit; + case NAND_CMD_RNDOUT: + if (flctl->page_size) + set_cmd_regs(mtd, command, (NAND_CMD_RNDOUTSTART << 8) + | command); + else + set_cmd_regs(mtd, command, command); + + set_addr(mtd, column, 0); + + flctl->read_bytes = mtd->writesize + mtd->oobsize - column; + goto read_normal_exit; + case NAND_CMD_READID: set_cmd_regs(mtd, command, command);