From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751688AbbKJHTP (ORCPT ); Tue, 10 Nov 2015 02:19:15 -0500 Received: from mail-bn1bon0117.outbound.protection.outlook.com ([157.56.111.117]:17688 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750893AbbKJHTL (ORCPT ); Tue, 10 Nov 2015 02:19:11 -0500 From: Huan Wang To: Olof Johansson , Russell King - ARM Linux CC: Arnd Bergmann , "riku.voipio@linaro.org" , Shawn Guo , Fabio Estevam , Thierry Reding , Ray Jui , "alexandre.belloni@free-electrons.com" , Lee Jones , Sjoerd Simons , Geert Uytterhoeven , Kukjin Kim , "Javier Martinez Canillas" , =?utf-8?B?S3J6eXN6dG9mIEtvesWCb3dza2k=?= , Rob Herring , "Jason Cooper" , Dinh Nguyen , Pawel Moll , Gregory Clement , Andrew Lunn , Lior Amsalem , Maxime Ripard , Josh Cartwright , Soren Brinkmann , Andy Gross , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Jin Jason Subject: RE: [RFC PATCH] ARM: add v7 LPAE multi-platform defconfig Thread-Topic: [RFC PATCH] ARM: add v7 LPAE multi-platform defconfig Thread-Index: AQHRG2QHPWl9qDY+a0KiwXmX1Vt2JJ6Um6oAgAA6SQA= Date: Tue, 10 Nov 2015 07:19:07 +0000 Message-ID: References: <1447124035-18585-1-git-send-email-b18965@freescale.com> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=alison.wang@freescale.com; 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creation-date="Tue, 10 Nov 2015 07:19:02 GMT"; modification-date="Tue, 10 Nov 2015 07:19:02 GMT" Received: from BN3PR0301MB0865.namprd03.prod.outlook.com (10.160.155.14) by BN3PR0301MB0867.namprd03.prod.outlook.com (10.160.155.141) with Microsoft SMTP Server (TLS) id 15.1.268.17 via Mailbox Transport; Thu, 17 Sep 2015 10:34:28 +0000 Received: from BY2PR03CA010.namprd03.prod.outlook.com (10.255.93.27) by BN3PR0301MB0865.namprd03.prod.outlook.com (10.160.155.14) with Microsoft SMTP Server (TLS) id 15.1.268.17; Thu, 17 Sep 2015 10:34:27 +0000 Received: from BN1BFFO11FD001.protection.gbl (10.255.93.4) by BY2PR03CA010.outlook.office365.com (10.255.93.27) with Microsoft SMTP Server (TLS) id 15.1.268.17 via Frontend Transport; Thu, 17 Sep 2015 10:34:27 +0000 Received: from pandora.arm.linux.org.uk (78.32.30.218) by BN1BFFO11FD001.mail.protection.outlook.com (10.58.144.64) with Microsoft SMTP Server (TLS) id 15.1.274.4 via Frontend Transport; Thu, 17 Sep 2015 10:34:25 +0000 Received: from n2100.arm.linux.org.uk ([2002:4e20:1eda:1:214:fdff:fe10:4f86]:41102) by pandora.arm.linux.org.uk with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1ZcWWA-0004V1-BO; Thu, 17 Sep 2015 11:34:18 +0100 Received: from linux by n2100.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1ZcWW7-000228-6I; Thu, 17 Sep 2015 11:34:15 +0100 From: Russell King - ARM Linux To: Huan Wang CC: "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Jin Jason Subject: Re: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig Thread-Topic: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig Thread-Index: AQHQ8SjkL5VPm4WkUE22VnJn+5lonZ5AhnkA Date: Thu, 17 Sep 2015 10:34:14 +0000 Message-ID: <20150917103414.GN21084@n2100.arm.linux.org.uk> References: <1442480614-32345-1-git-send-email-b18965@freescale.com> In-Reply-To: <1442480614-32345-1-git-send-email-b18965@freescale.com> Content-Language: zh-CN X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: BN1BFFO11FD001.protection.gbl X-MS-Has-Attach: X-MS-Exchange-Organization-Network-Message-Id: 69bea9c1-9805-4bed-7d2b-08d2bf4b8f98 X-MS-Exchange-Organization-SCL: 1 X-MS-TNEF-Correlator: user-agent: Mutt/1.5.23 (2014-03-12) received-spf: None (protection.outlook.com: arm.linux.org.uk does not designate permitted sender hosts) Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 On Thu, Sep 17, 2015 at 05:03:34PM +0800, Alison Wang wrote: > Add Freescale LS1021A initial defconfig file. > The LS1021A SoC is a dual-core Cortex-A7 based processor. >=20 > LS1021A has some special configurations against imx_v6_v7_defconfig and > multi_v7_defconfig, such as CONFIG_ARM_LPAE, CONFIG_ARM_PSCI... > LPAE needs to be supported to access memory beyond the 4GB limit for > LS1021A. PSCI needs to be supported for LS1021A too. But CONFIG_ARM_LPAE > and CONFIG_ARM_PSCI are disabled in imx_v6_v7_defconfig and > multi_v7_defconfig, so a separate LS1021A defconfig is needed. Sounds like a need for multi_v7_lpae_defconfig rather than creating a new load of platform specific defconfigs. --=20 FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. --_002_BN3PR0301MB08672E0D8AE0DC458290DFF3FE140BN3PR0301MB0867_-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: alison.wang@freescale.com (Huan Wang) Date: Tue, 10 Nov 2015 07:19:07 +0000 Subject: [RFC PATCH] ARM: add v7 LPAE multi-platform defconfig In-Reply-To: References: <1447124035-18585-1-git-send-email-b18965@freescale.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Olof, > On Mon, Nov 9, 2015 at 6:53 PM, Alison Wang wrote: > > v7 LPAE multi-platform defconfig is based on v7 multi-platform > > defconfig and adds LPAE support. > > > > The platforms based on Cortex-A7/A12/A15/A17, PJ4B, Krait are also > > enabled in this defconfig. But Cortex-A5/A8/A9, Scorpion and PJ4 are > > removed. > > > > This defconfig is verified on LS1021A which enables GIANFAR, I2C, > > WATCHDOG, AUDIO, EDMA and DSPI drivers, etc. > > > > The other platforms need to be verified by the platform maintainers > > too. > > > > Signed-off-by: Alison Wang > > This has been discussed before, and what we have chosen to do is to just > have a multi_v7_defconfig that all these platforms are enabled on but > with LPAE off. > > Instead, what we do when building (and on our build/boot builders) is to > take multi_v7 and provide the snippet that turns on ARM_LPAE at that > time. > > [Alison Wang] Thanks for your reply. I tried to make this multi_v7_lpae_defconfig according to the discussion with Russell King. He suggested to make a multi_v7_lpae_defconfig rather than creating a new load of platform specific defconfigs. Attached is his original email. King, do you have any comment about Olof's reply? Best Regards, Alison Wang -------------- next part -------------- An embedded message was scrubbed... From: Russell King - ARM Linux Subject: Re: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig Date: Thu, 17 Sep 2015 10:34:14 +0000 Size: 3564 URL: