From patchwork Tue Oct 9 06:45:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Piotr Wilczek X-Patchwork-Id: 190222 X-Patchwork-Delegate: promsoft@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 6FA3D2C007A for ; Tue, 9 Oct 2012 17:46:19 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 9CDD92807E; Tue, 9 Oct 2012 08:46:15 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id br5f54XlhVq3; Tue, 9 Oct 2012 08:46:15 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id B7E2328088; Tue, 9 Oct 2012 08:46:07 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id C0BCB2807E for ; Tue, 9 Oct 2012 08:46:04 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XP2uLjiJzZEi for ; Tue, 9 Oct 2012 08:46:03 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) by theia.denx.de (Postfix) with ESMTP id 0576728081 for ; Tue, 9 Oct 2012 08:45:59 +0200 (CEST) Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MBM001SI5DCSZP0@mailout3.samsung.com> for u-boot@lists.denx.de; Tue, 09 Oct 2012 15:45:56 +0900 (KST) X-AuditID: cbfee61a-b7f726d000000ec7-11-5073c8236937 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 62.38.03783.328C3705; Tue, 09 Oct 2012 15:45:56 +0900 (KST) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MBM006MO5G8O640@mmp1.samsung.com> for u-boot@lists.denx.de; Tue, 09 Oct 2012 15:45:55 +0900 (KST) From: Piotr Wilczek To: u-boot@lists.denx.de Date: Tue, 09 Oct 2012 08:45:42 +0200 Message-id: <1349765142-27872-2-git-send-email-p.wilczek@samsung.com> X-Mailer: git-send-email 1.7.10 In-reply-to: <1349765142-27872-1-git-send-email-p.wilczek@samsung.com> References: <1349765142-27872-1-git-send-email-p.wilczek@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrCJMWRmVeSWpSXmKPExsVy+t9jAV2VE8UBBgvWMVq83dvJ7sDocfbO DsYAxigum5TUnMyy1CJ9uwSujFWvF7AU9LJXrL/9krmBsYWti5GTQ0LARGLGztMsELaYxIV7 64HiXBxCAosYJdZu2soI4Sxmkjj2+zxYB5uAtsTyN28YQWwRAQmJX/1XwYqYBZYxSjQ0/GYH SQgL6Ense/+ZCcRmEVCV6Ju3FmwFr4CrxKVrPxkh1slLPL3fBzaUU8BN4sDZJrAaIaCaQ0+n sU9g5F3AyLCKUTS1ILmgOCk911CvODG3uDQvXS85P3cTI9jvz6R2MK5ssDjEKMDBqMTD+yGq OECINbGsuDL3EKMEB7OSCO/1RKAQb0piZVVqUX58UWlOavEhRmkOFiVx3maPlAAhgfTEktTs 1NSC1CKYLBMHp1QDo+bEm49Oz/RPMHzYLuhTJ3b9gOtb03MuD9eVvriYIxKqKjX712IR+Xd/ FosuUYnWMj+yXKDZ0K/esXCq5Vyef/zTyopjV8Y69EyPNhfYppjCs4qn4ch+t96WDY4+/E6Z FYbrj/u5uvvv9XfcI29cdmfZbj47nmDhs42uhrMvdF5Yy7twZ+4XJZbijERDLeai4kQArapt APcBAAA= Cc: Piotr Wilczek , Kyungmin Park Subject: [U-Boot] [PATCH] arm: trats: Power down core 1 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This patch turns power down for unused core 1 Signed-off-by: Piotr Wilczek Signed-off-by: Kyungmin Park CC: Minkyu Kang --- board/samsung/trats/trats.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c index 57400ce..d5c681c 100644 --- a/board/samsung/trats/trats.c +++ b/board/samsung/trats/trats.c @@ -321,6 +321,10 @@ static void board_power_init(void) writel(0, (unsigned int)&pwr->lcd1_configuration); writel(0, (unsigned int)&pwr->gps_configuration); writel(0, (unsigned int)&pwr->gps_alive_configuration); + + /* It is necessary to power down core 1 */ + /* to successfully boot CPU1 in kernel */ + writel(0, (unsigned int)&pwr->arm_core1_configuration); } static void board_uart_init(void)