From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 04 Dec 2024 12:22:15 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tInSQ-003tKV-3B for lore@lore.pengutronix.de; Wed, 04 Dec 2024 12:22:15 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tInSP-0001k1-Sm for lore@pengutronix.de; Wed, 04 Dec 2024 12:22:15 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bjsPGssFReJJ5hsech16It9xviO+PdJ1znZaw/E9bfc=; b=NzjrbNkaPUDqfrhVJ28rVQH1F0 vXosPFSuSb1mlI6XSel8/UCL4Rh4rMcQMUqGWT72colZC8vZSxlOnLf+R6w9mBE0HFAkGc9fbBggg xEIwPYtgKBZcajHAn0CdZWaEytxTahBf2v9vl2xzVgSEI1GKJ+Cvab0PEYeRE1QTION7PaZlQGPhD voRst7Vr5ID5B7AyyFjCn5+WK24TQXnfDznrW4RggavrS2TST//aBw3F2/iqpFMnBkQaVST9JSTKb UR7zdW966/MT274n3ylL0TcFfX5K0HANtuXDaZimGko9VBskCL5hTfcY+20EmjXl9ugALdzkepewH 5ZSUZTLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tInRv-0000000CMYp-35j8; Wed, 04 Dec 2024 11:21:43 +0000 Received: from mail.inside-m2m.de ([188.68.57.244]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tInRH-0000000CMU8-0Am8 for barebox@lists.infradead.org; Wed, 04 Dec 2024 11:21:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=inside-m2m.de; s=default; t=1733311231; bh=tkT4IXGoiRYRh6hdS+TWz3gHuqGmSFVx6FzNakP9O/c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JJx/HgUDUDf9jb1OaFppq+zfl6Pe7RqEkHpGTX6TvaFdhpJfNTm8A9PbvF8a//spa ks41vY57ldHQ1YcFC9BwB8iCayEd/kYB5BfPVG5tNFAv6R7tXdF0foy2cIPPPjYAe9 0mvB7CbSv/wcK1mkeNnB+UWyTvwgXY5UGEGJ5fQtB9lJkvysQxHHiIPc6bxHxAFi+l 8K1+u1/ZFj2sQV1oAS0WHsap3w3hN6cnFq2CtkHY8Do3mw1a7KG5uaWfN9SJgDswsb R3ShqKaFe0htLytsENswXLY8NrTe2kXd5trH2bnaz8DIf9b6Kjy7wGpRd/54Ql+LJT LBD8y2WyWThDQ== Received: from hephaistos (business-90-187-159-109.pool2.vodafone-ip.de [90.187.159.109]) (Authenticated sender: konstantin.kletschke@inside-m2m.de) by mail.inside-m2m.de (Postfix) with ESMTPSA id 8098A40078; Wed, 4 Dec 2024 12:20:31 +0100 (CET) Date: Wed, 4 Dec 2024 12:20:30 +0100 From: Konstantin Kletschke To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: References: <83e0f4b3-c558-48dc-b867-f88376d73bc2@pengutronix.de> <653f9b1e-2044-41c9-b87c-0d9804c9a6cb@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241204_032103_223467_FF93C980 X-CRM114-Status: UNSURE ( 6.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-7.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: Reset on Beaglebone Black has become unreliable/broken X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Wed, Dec 04, 2024 at 12:07:44PM +0100, Konstantin Kletschke wrote: > This is an unaffected Board (warm restart works): > > barebox@TI AM335x BeagleBone black:/ i2c_read -b0 -a 0x24 -r 0 -c 0x1e > 0xe2 0x3e 0x01 0x01 0xb1 0x80 0xb2 0x01 0x00 0x00 0x04 0x00 0x7f 0x0c 0x18 0x08 0x08 0x06 0x09 0x38 0x26 0x3f 0x7f 0x00 0x03 0x15 0x5f 0x32 0x40 0x20 > barebox@TI AM335x BeagleBone black:/ i2c_read -b0 -a 0x24 -r 0 -c 0x1e > 0xe2 0x3e 0x00 0x01 0xb1 0x80 0xb2 0x01 0x00 0x00 0x04 0x00 0x7f 0x0c 0x18 0x08 0x08 0x06 0x09 0x38 0x26 0x3f 0x7f 0x00 0x03 0x15 0x5f 0x32 0x40 0x20 This is the same BBB, unaffected, read out with its shipped u-boot (U-Boot 2019.04-00002-g31a8ae0206): => i2c md 0x24 0x0 0x1e 0000: e2 3f 01 01 b1 80 b2 01 00 00 04 00 7f 0c 18 11 .?.............. 0010: 08 06 09 38 26 3f 7f 00 03 15 5f 32 40 20 ...8&?...._2@ => i2c md 0x24 0x0 0x1e 0000: e2 3f 00 01 b1 80 b2 01 00 00 04 00 7f 0c 18 11 .?.............. 0010: 08 06 09 38 26 3f 7f 00 03 15 5f 32 40 20 ...8&?...._2@ => i2c md 0x24 0x0 0x1e 0000: e2 3f 00 01 b1 80 b2 01 00 00 04 00 7f 0c 18 11 .?.............. 0010: 08 06 09 38 26 3f 7f 00 03 15 5f 32 40 20 ...8&?...._2@ Command issued three times, in address 0x2 also transition from 1 to 0 on second read. Differences in PPATH (barebox: 0x3e, u-boot: 0x3f) and DEFDCDC2 (barebox: 0x08, u-boot: 0x11) Wondering if this could be significant... Regards Konsti -- INSIDE M2M GmbH Konstantin Kletschke Berenbosteler Straße 76 B 30823 Garbsen Telefon: +49 (0) 5137 90950136 Mobil: +49 (0) 151 15256238 Fax: +49 (0) 5137 9095010 konstantin.kletschke@inside-m2m.de http://www.inside-m2m.de Geschäftsführung: Michael Emmert, Derek Uhlig HRB: 111204, AG Hannover