From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 17 Mar 2026 11:22:41 +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 1w2RZR-001lus-11 for lore@lore.pengutronix.de; Tue, 17 Mar 2026 11:22:41 +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 1w2RZQ-0001NP-PQ for lore@pengutronix.de; Tue, 17 Mar 2026 11:22:41 +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:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0IjPySYnPnf1WRCE9+MDJuufHyxYunHArV8jKjNK2iM=; b=hRIWthJau6aVU7JtaVQMemvKQG rlQizS634EVY9ok2QxNtfuLhYp62Qt571LWe2cW9yDzefWFgS7N+RW/YBJezUiorRnR5nR/x9QaY4 9amGX0uSC4qqn26MboNIYwZFR4opWPWW9G+FKM1gvUgnqvrZTW5z3kiSFna7ROKs/2t5gSKHiKXJW OAF9rJDpEh5vq7lEVPUMN4iOFgrUHR/WXac6mIM3LfeBLUE0RabcOSNA5zDojsKus4GO+jo2gTJ/H TxDYThsZphqipfmeyh85g/YZKVb6jQGcYlDIbVIU7y2h59dszMGC9t27xoDiJv+0gbHZBkBBAOyVS 83xFSRZg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w2RZ0-00000005yxe-25vB; Tue, 17 Mar 2026 10:22:14 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w2RYy-00000005yxG-3pVI for barebox@lists.infradead.org; Tue, 17 Mar 2026 10:22:14 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1w2RYx-0001Db-6u; Tue, 17 Mar 2026 11:22:11 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w2RYw-000iv9-2s; Tue, 17 Mar 2026 11:22:10 +0100 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1w2RYw-0000000DCqJ-3Tu0; Tue, 17 Mar 2026 11:22:10 +0100 From: Sascha Hauer To: barebox@lists.infradead.org, Steffen Trumtrar Cc: Ahmad Fatoum , David Jander In-Reply-To: <20260316-v2026-02-0-topic-imx8-ecc-v4-0-e5ecc09cfafd@pengutronix.de> References: <20260316-v2026-02-0-topic-imx8-ecc-v4-0-e5ecc09cfafd@pengutronix.de> Message-Id: <177374293082.3147536.17619125567296156434.b4-ty@pengutronix.de> Date: Tue, 17 Mar 2026 11:22:10 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260317_032212_954206_82462E79 X-CRM114-Status: UNSURE ( 6.76 ) 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=-3.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v4 0/4] ARM: i.MX8: add DDRC-ECC support 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 Mon, 16 Mar 2026 09:14:30 +0100, Steffen Trumtrar wrote: > The i.MX8 DDRC controller supports using inline ECC with the DDR RAM. > Inline ECC reduces the usable RAM size by 1/8: 7/8 RAM is for data and > 1/8 RAM is for the ECC bits. Also, measuring random memory writes in > linux with > > stress-ng --memthrash 4 --memthrash-method chunk1 -t 1m --metrics > > [...] Applied, thanks! [1/4] ARM: i.MX: esdctl: fix spelling of ad(d)ress https://git.pengutronix.de/cgit/barebox/commit/?id=0826f8905b78 (link may not be stable) [2/4] arm: mach-imx: esdctl.c: Add support for imx8mp inline ECC https://git.pengutronix.de/cgit/barebox/commit/?id=0651254b9450 (link may not be stable) [3/4] drivers: ddr: imx8m: ddr_init.c: support ECC scrubbing https://git.pengutronix.de/cgit/barebox/commit/?id=101fcf16adf7 (link may not be stable) [4/4] arm: boards: protonic-imx8ml: Add ECC + scrubbing https://git.pengutronix.de/cgit/barebox/commit/?id=d8361ee96223 (link may not be stable) Best regards, -- Sascha Hauer