From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 07 Feb 2023 21:06:56 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pPUF0-00HMBz-B1 for lore@lore.pengutronix.de; Tue, 07 Feb 2023 21:06:56 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pPUEx-0005W0-MH for lore@pengutronix.de; Tue, 07 Feb 2023 21:06:56 +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: MIME-Version:Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=nv0BJtcd5EUQ1P1HqFoZc4iTRh0LnDg+OIEGwHUtDrA=; b=kIIpr7df/gTj9mRgoUqjLNZ3vW v91JJNp+kZYeGshEcSqSXQrmdz42LSntjM2n5yD5U6ZgRz5lC4O3H/zWrCALKN6G+ZPHGxX2H5FVK tHSixqr+PAjdO8GVFJxNGU/YdD2IVpOfmQSKNVLrEmxqh82C8B+/z9/7RTJh+FXMs/WMdpKfd1167 q5QtF0tvq951y32/R4CdHE3ry1m2dj7NYLAoWEtLHx1iqS9/t0rpD5NlYxcTu9qkXZXkoTn4TC2e1 ipJp5rIuJ9qFfxe70zQTj5Z5mja31T+txQZewulfuzUMrbSa+2+DxwivH4s22z/lO6Vcew3JlXuo/ zDo3scBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pPUDr-00DHfI-Id; Tue, 07 Feb 2023 20:05:47 +0000 Received: from ns.lynxeye.de ([87.118.118.114] helo=lynxeye.de) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pPUDi-00DHdQ-5m for barebox@lists.infradead.org; Tue, 07 Feb 2023 20:05:41 +0000 Received: by lynxeye.de (Postfix, from userid 501) id F0FBDE74016; Tue, 7 Feb 2023 21:05:03 +0100 (CET) Received: from astat.fritz.box (a89-183-230-107.net-htp.de [89.183.230.107]) by lynxeye.de (Postfix) with ESMTPA id 3E68DE74004 for ; Tue, 7 Feb 2023 21:05:02 +0100 (CET) From: Lucas Stach To: barebox@lists.infradead.org Date: Tue, 7 Feb 2023 21:04:57 +0100 Message-Id: <20230207200459.1078994-1-l.stach@pengutronix.de> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230207_120538_386789_23DE7168 X-CRM114-Status: GOOD ( 11.48 ) 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.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 1/3] ARM: i.MX8M: esdctl: limit i.MX8MP early memory size X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Limit detected early memory size to 1GB on i.MX8MP, as the default DT has a reserved memory region at 0x92400000, which will conflict with our malloc area in some configurations. Until we can properly parse and exclude the reserved memory regions in the PBL, just avoid getting near that DRAM address by limiting the detected size. Signed-off-by: Lucas Stach --- arch/arm/mach-imx/esdctl.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/esdctl.c b/arch/arm/mach-imx/esdctl.c index a704250297bb..043de477a77d 100644 --- a/arch/arm/mach-imx/esdctl.c +++ b/arch/arm/mach-imx/esdctl.c @@ -947,7 +947,17 @@ void __noreturn imx8mn_barebox_entry(void *boarddata) void __noreturn imx8mp_barebox_entry(void *boarddata) { - imx8m_barebox_entry(boarddata, 32); + /* + * Limit detected early memory size to 1GB on i.MX8MP, as the default + * DT has a reserved memory region at 0x92400000, which will conflict + * with our malloc area in some configurations. Until we can properly + * parse and exclude the reserved memory regions in the PBL, just avoid + * getting near that DRAM address by limiting the detected size. + */ + barebox_arm_entry(MX8M_DDR_CSD1_BASE_ADDR, + min_t(resource_size_t, SZ_1G, + imx8m_barebox_earlymem_size(32)), + boarddata); } void __noreturn imx8mq_barebox_entry(void *boarddata) -- 2.39.1