From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751674AbdAPDMV (ORCPT ); Sun, 15 Jan 2017 22:12:21 -0500 Received: from mail-ve1eur01on0042.outbound.protection.outlook.com ([104.47.1.42]:23761 "EHLO EUR01-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751640AbdAPDMT (ORCPT ); Sun, 15 Jan 2017 22:12:19 -0500 From: Bough Chen To: Ulf Hansson CC: Shawn Lin , Clemens Gruber , "linux-mmc@vger.kernel.org" , Linus Walleij , "Adrian Hunter" , "A.S. Dong" , "linux-kernel@vger.kernel.org" , Gary Bisson , Fabio Estevam , "Shawn Guo" Subject: RE: eMMC boot problem: switch to bus width 8 ddr failed Thread-Topic: eMMC boot problem: switch to bus width 8 ddr failed Thread-Index: AQHSZ7000PnjCSv20kaQYrmEVcD7JKEquySAgADgNwCACX1wAIAAnC2AgAAAe8CAAJniAIAELU5w Date: Mon, 16 Jan 2017 03:12:16 +0000 Message-ID: References: <20170106004114.GA22893@archie.localdomain> <1754f0ae-fe6f-00a2-a0d6-9fd55c2b866f@rock-chips.com> <20170106155618.GA10105@archie.localdomain> <103b3045-c17d-ef14-c843-471fcb6e537f@rock-chips.com> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=haibo.chen@nxp.com; x-originating-ip: [199.59.231.64] x-microsoft-exchange-diagnostics: 1;AM3PR04MB1426;7:BnDszZjKsczLpNtYNgJL3CB1shbOInBDVc4VLi+NMzG/YIg+EteMVQwS+J90LI97zXmtRPiPto7M0X+p9d1cQVvZML2IGPrtWvJWYgTRFo+ieW/2KYNLLTo9dGdfTEnFesG6ISkOfLESP8IKcEfXJCppb6KmAlnk4TbKXRlraMcAnywlPHmA9Fefeze14392fwHzYurCZPCHDVCmDwS6KRQdSQv0pfR1CHO7me9XNgq6MEIoox+JtF+ewGS8SqXnraCtBL+TNx769Kvb0mj81NWbgM3LfUYEXUlxIvFtnkA8xITU5N5A6SoIrhviv3QxG6WpqpW5nLbuD1sHsr6nujwG5UaUiCmTAYwhS6i5mbjL3bZ1uK9uEkwmkuGzGAGuawD2pGcP2QKbUNEir6hxLttEQfVs9Lwg6ml7yJFQEr5iObC9FTkC+9KExDUq9CqryKzMtYzDikQTR0FllxJugw== x-forefront-antispam-report: SFV:SKI;SCL:-1SFV:NSPM;SFS:(10009020)(6009001)(7916002)(39450400003)(39860400002)(39840400002)(39850400002)(39410400002)(189002)(13464003)(199003)(377454003)(122556002)(189998001)(74316002)(66066001)(101416001)(50986999)(3660700001)(27001)(97736004)(7736002)(76176999)(54356999)(7696004)(6916009)(106116001)(33656002)(7416002)(106356001)(2950100002)(110136003)(305945005)(105586002)(5660300001)(55016002)(25786008)(99286003)(77096006)(38730400001)(9686003)(229853002)(6436002)(2900100001)(6506006)(93886004)(81166006)(54906002)(8676002)(39060400001)(102836003)(8936002)(2906002)(3846002)(68736007)(6116002)(86362001)(4326007)(92566002)(3280700002)(81156014);DIR:OUT;SFP:1101;SCL:1;SRVR:AM3PR04MB1426;H:AM4PR0401MB2324.eurprd04.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; x-ms-office365-filtering-correlation-id: 669aaa68-14a3-41d0-e2e2-08d43dbd798a x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(22001);SRVR:AM3PR04MB1426; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(9452136761055)(185117386973197)(228905959029699); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040375)(601004)(2401047)(8121501046)(5005006)(10201501046)(3002001)(6055026)(6041248)(20161123555025)(20161123564025)(20161123562025)(20161123560025)(6072148)(6047074);SRVR:AM3PR04MB1426;BCL:0;PCL:0;RULEID:;SRVR:AM3PR04MB1426; x-forefront-prvs: 01894AD3B8 spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jan 2017 03:12:16.1489 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM3PR04MB1426 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id v0G3Ch6m010934 > -----Original Message----- > From: Ulf Hansson [mailto:ulf.hansson@linaro.org] > Sent: Friday, January 13, 2017 7:23 PM > To: Bough Chen > Cc: Shawn Lin ; Clemens Gruber > ; linux-mmc@vger.kernel.org; Linus Walleij > ; Adrian Hunter ; A.S. > Dong ; linux-kernel@vger.kernel.org; Gary Bisson > ; Fabio Estevam ; > Shawn Guo > Subject: Re: eMMC boot problem: switch to bus width 8 ddr failed > > [...] > > > Hi Ulf and Shawn, > > > > Aisheng and I debug this issue these days, and we find the root cause. > > There are two things to describe. > > > > 1) voltage switch issue. The properity "no-1-8-v" do not work for > MMC_TIMING_MMC_DDR52. > > This is another bug, we need to fix, but has no relation with the current bug. > > I am working on a patch which invents MMC_CAP_3_3V_DDR and which has a > corresponding DT binding "mmc-ddr-3_3v". > Give me a day or so, then I will post it. > > Likely it should help to resolve your issue, don't you think? Seems Yes, I will test the patch when you post. Best Regards, Haibo Chen > > [...] > > Kind regards > Uffe