From patchwork Wed Apr 25 16:14:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 10363771 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4F9516032C for ; Wed, 25 Apr 2018 16:17:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3981928485 for ; Wed, 25 Apr 2018 16:17:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2DDF428BE0; Wed, 25 Apr 2018 16:17:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id ACC6D28485 for ; Wed, 25 Apr 2018 16:17:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Ub6oTZ7xxfyUVKrhwpaoBCO1/paJQcKAQr//zkSSJUU=; b=BOBBCTsV6Stxbm 0sY7CWUkx9DDaVBVOky46DPTkYewDVKyM+narJZ8ibRCKBmmN9v2I1Axg4oxz5xhEjVzB6YIos7ls JGegoE9WM8ZKHBxcrdoTOrzXERcKmTLAaCbXZHECCJA8yWNcecT3NskCPuqCPIlIzJrBJxaOSyda3 7H63aDLbA0kMT6lnV6codzM8iW1w/cLBiMIRiEGKS+kGI7Izu2ryCb3FLeza4w6ZzowM2u+4xcXxJ 7cMnZst+vyOOCY7OZfUVnRnaf9Ua8HaqfwePwekTQLTTIq1SWdbvGrHdOkC74z00uML9+tn3101Te trRvty//nMisb33liG6Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fBN6Y-00085b-Jj; Wed, 25 Apr 2018 16:17:15 +0000 Received: from relmlor2.renesas.com ([210.160.252.172] helo=relmlie1.idc.renesas.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fBN4I-0005lt-Jt for linux-arm-kernel@lists.infradead.org; Wed, 25 Apr 2018 16:15:00 +0000 Received: from unknown (HELO relmlir2.idc.renesas.com) ([10.200.68.152]) by relmlie1.idc.renesas.com with ESMTP; 26 Apr 2018 01:14:40 +0900 Received: from relmlii2.idc.renesas.com (relmlii2.idc.renesas.com [10.200.68.66]) by relmlir2.idc.renesas.com (Postfix) with ESMTP id 07ADC430CB; Thu, 26 Apr 2018 01:14:41 +0900 (JST) X-IronPort-AV: E=Sophos;i="5.49,326,1520866800"; d="scan'208";a="279289766" Received: from unknown (HELO fabrizio-dev.ree.adwin.renesas.com) ([10.226.37.56]) by relmlii2.idc.renesas.com with ESMTP; 26 Apr 2018 01:14:37 +0900 From: Fabrizio Castro To: Simon Horman , Geert Uytterhoeven Subject: [PATCH/RFC v2] ARM: shmobile: defconfig: Enable LPAE Date: Wed, 25 Apr 2018 17:14:35 +0100 Message-Id: <1524672875-14130-1-git-send-email-fabrizio.castro@bp.renesas.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180425_091454_801365_CF0C421B X-CRM114-Status: GOOD ( 16.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fabrizio Castro , Chris Paterson , Magnus Damm , Russell King , Biju Das , linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP On iWave's iwg20m DDR1 512MB memory cannot be accessed with 32-bit addresses, hence we need LPAE. Signed-off-by: Biju Das Signed-off-by: Fabrizio Castro --- This information is mentioned in the "RZ/G Series User’s Manual: Hardware", Chapter 2, Area Map. Is this patch going to break the functionality of other boards? Comments welcome. arch/arm/configs/shmobile_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig index dd95d39..21b25e9 100644 --- a/arch/arm/configs/shmobile_defconfig +++ b/arch/arm/configs/shmobile_defconfig @@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y CONFIG_ARCH_R8A7793=y CONFIG_ARCH_R8A7794=y CONFIG_ARCH_SH73A0=y +CONFIG_ARM_LPAE=y CONFIG_PL310_ERRATA_588369=y CONFIG_ARM_ERRATA_754322=y CONFIG_PCI=y