From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 57615E009B8; Tue, 14 Apr 2015 07:58:26 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from mail.chez-thomas.org (mail.mlbassoc.com [65.100.170.105]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 27FBBE0098A for ; Tue, 14 Apr 2015 07:58:21 -0700 (PDT) Received: by mail.chez-thomas.org (Postfix, from userid 1998) id DDF56F811DF; Tue, 14 Apr 2015 08:58:20 -0600 (MDT) Received: from [192.168.1.114] (zeus [192.168.1.114]) by mail.chez-thomas.org (Postfix) with ESMTP id 4ACF7F811DC; Tue, 14 Apr 2015 08:58:20 -0600 (MDT) Message-ID: <552D2B25.9010000@mlbassoc.com> Date: Tue, 14 Apr 2015 08:58:45 -0600 From: Gary Thomas User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: meta-freescale@yoctoproject.org References: In-Reply-To: Subject: Re: Boot on eMMC X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Apr 2015 14:58:26 -0000 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit On 2015-04-14 08:28, Otavio Salvador wrote: > On Tue, Apr 14, 2015 at 11:12 AM, Shanx wrote: >> Hello, >> I've tried a lot of things, but I can't boot on eMMC. I've flashed it from >> u-boot, or from the system (booted from the sdcard). For exemple, I've tried >> : dd if=rootfs.sdcard of=/dev/mmcblk3 >> I've also tried to flash only u-boot.imx (with dd and seek=2) >> >> When booting on eMMC (with the boot switch setup given on the Linux User >> Guide), nothing append. Any idea why ? > > eMMC has some details which differ from the uSD normal usage. Mainly > regarding the use of Boot Partitions. So you must to write it to the > boot partition otherwise it won't work. > I'm not sure this is correct. I have an i.MX6Q board which has eMMC on SD4 and SD on SD3 and I can boot from either, using the same command to install U-Boot dd if=/tmp/disk/${UBOOT_NAME} of=${DISK} seek=2 bs=512 conv=notrunc Maybe it's a difference in the eMMC device (mine is Sandisk SDIN5 (or7)C2-32G-L) -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------