From patchwork Fri Jan 23 06:35:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: kgene@kernel.org X-Patchwork-Id: 5691151 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 45D0F9F2ED for ; Fri, 23 Jan 2015 06:36:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6B7682028D for ; Fri, 23 Jan 2015 06:36:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DD10D20270 for ; Fri, 23 Jan 2015 06:36:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752122AbbAWGgF (ORCPT ); Fri, 23 Jan 2015 01:36:05 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:14896 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752027AbbAWGgD (ORCPT ); Fri, 23 Jan 2015 01:36:03 -0500 Received: from epcpsbgr2.samsung.com (u142.gpu120.samsung.co.kr [203.254.230.142]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NIM001JFABZXFA0@mailout3.samsung.com> for linux-samsung-soc@vger.kernel.org; Fri, 23 Jan 2015 15:35:59 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [172.20.52.132]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id 05.AC.11124.FCBE1C45; Fri, 23 Jan 2015 15:35:59 +0900 (KST) X-AuditID: cbfee68e-f79b46d000002b74-b8-54c1ebcfaa07 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 5B.F4.20081.FCBE1C45; Fri, 23 Jan 2015 15:35:59 +0900 (KST) Received: from DOKGENEKIM04 ([12.36.165.190]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NIM0055HABZS5H0@mmp2.samsung.com>; Fri, 23 Jan 2015 15:35:59 +0900 (KST) From: Kukjin Kim To: 'Marek Szyprowski' , linux-samsung-soc@vger.kernel.org Cc: 'Kukjin Kim' , 'Javier Martinez Canillas' , jy0922.shim@samsung.com, 'Kevin Hilman' , 'Sjoerd Simons' References: <1421842972-25807-1-git-send-email-m.szyprowski@samsung.com> In-reply-to: <1421842972-25807-1-git-send-email-m.szyprowski@samsung.com> Subject: RE: [PATCH] ARM: dts: exynos5422-odroidxu3: reduce total RAM by 22 MiB Date: Fri, 23 Jan 2015 15:35:59 +0900 Message-id: <0b5601d036d6$d9628c80$8c27a580$@kernel.org> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Content-language: ko Thread-index: AQJ3v8NZ5apPjsUGsu+HC6RBPqOBnZt+LVlg X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrAIsWRmVeSWpSXmKPExsWyRsSkRff864MhBosOSFgc/V1g8eLeRRaL /sevmS2+Hl7BaDHj/D4mi7VH7rJbTD/+ltWB3ePv8+ssHptWdbJ53Lm2h82jb8sqRo/Pm+QC WKO4bFJSczLLUov07RK4Muadf8peMIu74tIdqwbGeZxdjJwcEgImEo9vbWGHsMUkLtxbz9bF yMUhJLCUUeLhwTNMMEVXLn1nhkhMZ5SYP+0MVNVfRokdK7uAHA4ONgFlicYmfZAGYQEtiYVb mlhAbBGBMIlPi24ygdQzC1wDqm9ZDJYQEvCQ+PZvKdgGTgFPiWcfvjBBNPtLzJvczgIyk0VA VaKxTQwkzCtgIdH58C4zhC0o8WPyPbAxzEC71u88zgRhy0tsXvOWGeJoBYkdZ18zQsRFJPa9 eMcIcY+RxO77h9kgat6yS7y+HgJiswgISHybfAhsrYSArMSmA1BjJCUOrrjBMoFRchaSzbOQ bJ6FZPMsJNsWMLKsYhRNLUguKE5KLzLSK07MLS7NS9dLzs/dxAiM6NP/nvXtYLx5wPoQowAH oxIPb+OWgyFCrIllxZW5hxhNgS6ayCwlmpwPTBt5JfGGxmZGFqYmpsZG5pZmSuK8CVI/g4UE 0hNLUrNTUwtSi+KLSnNSiw8xMnFwSjUwtjWdeetqd0F1c+jTIpVPj6b0RQnc31E9ozlQa7fJ 3eiXLu01RkZxMr+N9kyzMrx9R2XGFiY3/bMtV6YIdyTcPLl87UvDg/t533aycLEu2NfOJiyx s65sxxPX2a6ZBSdt1XvXrFklUT3z0qlevYCJ8am6+an7Vu+YUNASwtCm+Td5ttnPuUliSizF GYmGWsxFxYkA6Ga48+MCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprNKsWRmVeSWpSXmKPExsVy+t9jQd3zrw+GGPxoErE4+rvA4sW9iywW /Y9fM1t8PbyC0WLG+X1MFmuP3GW3mH78LasDu8ff59dZPDat6mTzuHNtD5tH35ZVjB6fN8kF sEY1MNpkpCampBYppOYl56dk5qXbKnkHxzvHm5oZGOoaWlqYKynkJeam2iq5+AToumXmAJ2h pFCWmFMKFApILC5W0rfDNCE0xE3XAqYxQtc3JAiux8gADSSsY8yYd/4pe8Es7opLd6waGOdx djFyckgImEhcufSdGcIWk7hwbz1bFyMXh5DAdEaJ+dPOQDl/GSV2rOwCcjg42ASUJRqb9EEa hAW0JBZuaWIBsUUEwiQ+LbrJBFLPLHANqL5lMVhCSMBD4tu/pUwgNqeAp8SzD1+YIJr9JeZN bmcBmckioCrR2CYGEuYVsJDofHiXGcIWlPgx+R7YGGagXet3HmeCsOUlNq95C3W0gsSOs68Z IeIiEvtevGOEuMdIYvf9w2wTGIVnIRk1C8moWUhGzULSvoCRZRWjaGpBckFxUnquoV5xYm5x aV66XnJ+7iZGcMJ4JrWDcWWDxSFGAQ5GJR7ehi0HQ4RYE8uKK3MPMUpwMCuJ8HY/AgrxpiRW VqUW5ccXleakFh9iNAV6dCKzlGhyPjCZ5ZXEGxqbmBlZGplZGJmYmyuJ8yrZt4UICaQnlqRm p6YWpBbB9DFxcEo1MHacSbv7L5j76vK3CnL8dVxmyWG+W/QKfj3oFN7CUxO8IbHoV9ylH/8L ZmXtsjEvf8sVXvnKkntS7pFlKkb/yzjDfhnf05bncJPUS5vJGeJaej3k+Zqt0ldVFfUYYjYo fhSOK3VNF70gnLDP8bz5kVSP7+vfm3xu3BHev0XZqrvx1LF1IhcuK7EUZyQaajEXFScCALlj vQ4uAwAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Marek Szyprowski wrote: > > Last 22 MiB is RAM is reserved by secure monitor code and cannot be > accessed from Linux kernel, so adjust total RAM size to 0x7EA00000 > (2 GiB - 22 MiB). This fixes random 'imprecise kernel abort' kernel > failures. > > Signed-off-by: Marek Szyprowski > --- > arch/arm/boot/dts/exynos5422-odroidxu3.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts > index f6fc9442f631..50843208860d 100644 > --- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts > +++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts > @@ -18,7 +18,7 @@ > compatible = "hardkernel,odroid-xu3", "samsung,exynos5800", "samsung,exynos5"; > > memory { > - reg = <0x40000000 0x80000000>; > + reg = <0x40000000 0x7EA00000>; > }; > > chosen { > -- Hi, Maybe is it related to the SoC not only for odriodxu3 board. If so, following would be better? ---8<------------8<--- ---8<------------8<--- - Kukjin Reviewed-By: Sjoerd Simons --- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/arch/arm/boot/dts/exynos5800.dtsi b/arch/arm/boot/dts/exynos5800.dtsi index c0bb356..54840e3 100644 --- a/arch/arm/boot/dts/exynos5800.dtsi +++ b/arch/arm/boot/dts/exynos5800.dtsi @@ -13,6 +13,8 @@ * published by the Free Software Foundation. */ +/memreserve/ 0x80000000 0x1600000; + #include "exynos5420.dtsi" / {