From patchwork Fri May 26 11:06:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Viswanathan X-Patchwork-Id: 686553 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E4EDC7EE2E for ; Fri, 26 May 2023 11:07:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243269AbjEZLHv (ORCPT ); Fri, 26 May 2023 07:07:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243128AbjEZLHm (ORCPT ); Fri, 26 May 2023 07:07:42 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A65991A6; Fri, 26 May 2023 04:07:38 -0700 (PDT) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34QAMLdZ004954; Fri, 26 May 2023 11:07:35 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=L+UZMrct2CdggSukP8m/AcuMAdqy/CL+Bb+0b7+crxA=; b=gqJ/9G04QAEQwo7LOKA9XxnbU/pVHVPPx7UKB9xCOl/mvI+E4oTPwWBdJiPWQGZhYnq8 0H754kpa0vQtG9JGAH+Ekc1J/dlcrUrquzGfEAs/+E1rlJ+/u8vK8seixUzuEGZfAq/k c/XUVglKRLmx84k5bQhAdRg4yDE4zhYpy442QGEpi3ffRMonyD5gdndlofUJQvqAfFUO JmPpdyMXNqv2Oaoau5ylbEzmhczFzThFjv/TlPEnGc2duqfqa3YMrIro3u3PnvU8Jj9p TLSA91N7drid00/DyW7zs6myrlRgPyvB25nkYVFXDHdkdOSncGoWbFQ5LR9qEOUN0qMt tg== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qtp4wgq64-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 May 2023 11:07:34 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34QB7X6N018130 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 May 2023 11:07:33 GMT Received: from viswanat-linux.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Fri, 26 May 2023 04:07:28 -0700 From: Vignesh Viswanathan To: , , , , , , , , , CC: , , , , , Vignesh Viswanathan Subject: [PATCH 3/3] arm64: dts: qcom: add few more reserved memory region Date: Fri, 26 May 2023 16:36:53 +0530 Message-ID: <20230526110653.27777-4-quic_viswanat@quicinc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230526110653.27777-1-quic_viswanat@quicinc.com> References: <20230526110653.27777-1-quic_viswanat@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 8ZDnz2KCQen1LpyHc9BEhYjD9oNC1A1I X-Proofpoint-ORIG-GUID: 8ZDnz2KCQen1LpyHc9BEhYjD9oNC1A1I X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-26_01,2023-05-25_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 phishscore=0 adultscore=0 clxscore=1015 suspectscore=0 malwarescore=0 bulkscore=0 impostorscore=0 mlxlogscore=580 lowpriorityscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305260095 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org In IPQ SoCs, bootloader will collect the system RAM contents upon crash for the post morterm analysis. If we don't reserve the memory region used by bootloader, obviously linux will consume it and upon next boot on crash, bootloader will be loaded in the same region, which will lead to loose some of the data, sometimes we may miss out critical information. So lets reserve the region used by the bootloader. Similarly SBL copies some data into the reserved region and it will be used in the crash scenario. So reserve 1MB for SBL as well. While at it, drop the size padding in the reserved memory region, wherever applicable. Signed-off-by: Vignesh Viswanathan --- arch/arm64/boot/dts/qcom/ipq6018.dtsi | 16 +++++++++++++--- arch/arm64/boot/dts/qcom/ipq8074.dtsi | 14 ++++++++++++-- 2 files changed, 25 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi index 2d77a8336111..fc64a5efbe2c 100644 --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi @@ -156,18 +156,28 @@ rpm_msg_ram: memory@60000 { no-map; }; + bootloader@4a100000 { + reg = <0x0 0x4a100000 0x0 0x400000>; + no-map; + }; + + sbl@4a500000 { + reg = <0x0 0x4a500000 0x0 0x100000>; + no-map; + }; + tz: memory@4a600000 { - reg = <0x0 0x4a600000 0x0 0x00400000>; + reg = <0x0 0x4a600000 0x0 0x400000>; no-map; }; smem_region: memory@4aa00000 { - reg = <0x0 0x4aa00000 0x0 0x00100000>; + reg = <0x0 0x4aa00000 0x0 0x100000>; no-map; }; q6_region: memory@4ab00000 { - reg = <0x0 0x4ab00000 0x0 0x05500000>; + reg = <0x0 0x4ab00000 0x0 0x5500000>; no-map; }; }; diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi index 00e559de00fb..0793b691a095 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi @@ -86,17 +86,27 @@ reserved-memory { #size-cells = <2>; ranges; + bootloader@4a600000 { + reg = <0x0 0x4a600000 0x0 0x400000>; + no-map; + }; + + sbl@4aa00000 { + reg = <0x0 0x4aa00000 0x0 0x100000>; + no-map; + }; + smem@4ab00000 { compatible = "qcom,smem"; - reg = <0x0 0x4ab00000 0x0 0x00100000>; + reg = <0x0 0x4ab00000 0x0 0x100000>; no-map; hwlocks = <&tcsr_mutex 0>; }; memory@4ac00000 { + reg = <0x0 0x4ac00000 0x0 0x400000>; no-map; - reg = <0x0 0x4ac00000 0x0 0x00400000>; }; };