From patchwork Tue Aug 7 13:24:03 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?=C5=81ukasz_Majewski?= X-Patchwork-Id: 175626 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 3A1DC2C0080 for ; Tue, 7 Aug 2012 23:24:32 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4293A282D3; Tue, 7 Aug 2012 15:24:29 +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 EMPL7OGxRkEz; Tue, 7 Aug 2012 15:24:29 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 13BB2282D5; Tue, 7 Aug 2012 15:24:27 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 6D7F2282D5 for ; Tue, 7 Aug 2012 15:24:24 +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 WxZd4p8AIOB1 for ; Tue, 7 Aug 2012 15:24:23 +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 mailout1.samsung.com (mailout1.samsung.com [203.254.224.24]) by theia.denx.de (Postfix) with ESMTP id 07C0F282D3 for ; Tue, 7 Aug 2012 15:24:21 +0200 (CEST) Received: from epcpsbgm1.samsung.com (mailout1.samsung.com [203.254.224.24]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0M8D00340ZWIUOE0@mailout1.samsung.com> for u-boot@lists.denx.de; Tue, 07 Aug 2012 22:24:18 +0900 (KST) X-AuditID: cbfee61a-b7f616d000004b7e-75-5021170276ab Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id DE.F5.19326.20711205; Tue, 07 Aug 2012 22:24:18 +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 <0M8D00F99ZW8BAA0@mmp1.samsung.com> for u-boot@lists.denx.de; Tue, 07 Aug 2012 22:24:17 +0900 (KST) From: Lukasz Majewski To: u-boot@lists.denx.de Date: Tue, 07 Aug 2012 15:24:03 +0200 Message-id: <1344345843-26946-1-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrFJMWRmVeSWpSXmKPExsVy+t9jAV0mccUAgyvT2C3e7u1kd2D0OHtn B2MAYxSXTUpqTmZZapG+XQJXxqlfa9kKNrJVLNj3kLGBcQtrFyMHh4SAicT9W+ZdjJxAppjE hXvr2boYuTiEBBYxSqxb9ZARwlnMJLGk7RUjSBWbgJ7E57tPmUBsEQEJiV/9V8HizAK1Egvn 7GEFsYUFvCRa9u5nBrFZBFQlbuw+CVbPK+Am8f7fSiaIbfIST+/3sU1g5F7AyLCKUTS1ILmg OCk911CvODG3uDQvXS85P3cTI9iHz6R2MK5ssDjEKMDBqMTDO0FWIUCINbGsuDL3EKMEB7OS CO/hnUAh3pTEyqrUovz4otKc1OJDjNIcLErivMbeX/2FBNITS1KzU1MLUotgskwcnFINjH4d huf/x/XaTMpnMhaVmTrZ/pzHmgmB/re7us9ntHttVcxMyVw3+VLrH6eYtHOaLpF7GM+uu5qh tuPX/A6x5dFTejXTLn8S9eibUfg7vWItu9s//Q8LGt7O3nGS5/BDp/dv2p1MzQJlVe/MSdrw dIOLF4daw+OJDFvZl5zvrH7+6M93TrmZrUosxRmJhlrMRcWJANAkgXbdAQAA X-TM-AS-MML: No Cc: Kyungmin Park Subject: [U-Boot] [PATCH] arm:exynos: Enable data cache at exynos based processors. 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 enables the L1 data cache for systems based on Samsung Exynos processor. Signed-off-by: Lukasz Majewski Signed-off-by: Kyungmin Park Cc: Minkyu Kang --- arch/arm/cpu/armv7/exynos/soc.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/arch/arm/cpu/armv7/exynos/soc.c b/arch/arm/cpu/armv7/exynos/soc.c index dcfcec2..ab65b8d 100644 --- a/arch/arm/cpu/armv7/exynos/soc.c +++ b/arch/arm/cpu/armv7/exynos/soc.c @@ -28,3 +28,11 @@ void reset_cpu(ulong addr) { writel(0x1, samsung_get_base_swreset()); } + +#ifndef CONFIG_SYS_DCACHE_OFF +void enable_caches(void) +{ + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +} +#endif