From patchwork Wed Jun 1 21:43:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 9148407 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5A707600BC for ; Wed, 1 Jun 2016 22:02:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D5252714B for ; Wed, 1 Jun 2016 22:02:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 41E0627151; Wed, 1 Jun 2016 22:02:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.2 required=2.0 tests=BAYES_00,FSL_HELO_HOME, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B2FEA2714B for ; Wed, 1 Jun 2016 22:02:32 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8ECA-0000WN-Jw; Wed, 01 Jun 2016 22:00:58 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8EAx-0006So-2h; Wed, 01 Jun 2016 21:59:43 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by casper.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1b8Dw1-0005Nz-SC; Wed, 01 Jun 2016 21:44:19 +0000 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 49200486AE; Wed, 1 Jun 2016 21:43:56 +0000 (UTC) Received: from nilsson.home.kraxel.org (ovpn-116-24.ams2.redhat.com [10.36.116.24]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u51LhrDX001591; Wed, 1 Jun 2016 17:43:55 -0400 Received: by nilsson.home.kraxel.org (Postfix, from userid 500) id 7128181DCB; Wed, 1 Jun 2016 23:43:55 +0200 (CEST) From: Gerd Hoffmann To: linux-rpi-kernel@lists.infradead.org Subject: [PATCH 23/32] ARM: bcm2835: Enable SDHOST by default. Date: Wed, 1 Jun 2016 23:43:32 +0200 Message-Id: <1464817421-8519-24-git-send-email-kraxel@redhat.com> In-Reply-To: <1464817421-8519-1-git-send-email-kraxel@redhat.com> References: <1464817421-8519-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 01 Jun 2016 21:43:56 +0000 (UTC) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160601_224418_116683_61EF9B32 X-CRM114-Status: GOOD ( 13.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Lee Jones , Pawel Moll , Ian Campbell , Stephen Warren , Russell King , open list , Eric Anholt , Rob Herring , Kumar Gala , "moderated list:ARM PORT" MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Eric Anholt This improves read speed on my SD card (as reported by hdparm -t) from 10.15MB/sec to 16.70MB/sec. Once we add slave DMA, we can get to 18.45MB/sec. Signed-off-by: Eric Anholt --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index a207693..97496cd 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -65,8 +65,16 @@ pinctrl-names = "default"; pinctrl-0 = <&emmc_gpio48>; + bus-width = <4>; +}; + +&sdhost { + pinctrl-names = "default"; + pinctrl-0 = <&sdhost_gpio48>; + + bus-width = <4>; + status = "okay"; - bus-width = <4>; }; &pwm {