From patchwork Tue Jan 7 15:47:08 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinh Nguyen X-Patchwork-Id: 3449021 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BF438C02DC for ; Tue, 7 Jan 2014 15:50:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 290782010C for ; Tue, 7 Jan 2014 15:50:04 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D374120109 for ; Tue, 7 Jan 2014 15:50:02 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W0YuP-0004Y1-Bq; Tue, 07 Jan 2014 15:49:37 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W0YuF-0003S9-Rj; Tue, 07 Jan 2014 15:49:27 +0000 Received: from va3ehsobe002.messaging.microsoft.com ([216.32.180.12] helo=va3outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W0YuC-0003RE-KA for linux-arm-kernel@lists.infradead.org; Tue, 07 Jan 2014 15:49:25 +0000 Received: from mail214-va3-R.bigfish.com (10.7.14.253) by VA3EHSOBE008.bigfish.com (10.7.40.28) with Microsoft SMTP Server id 14.1.225.22; Tue, 7 Jan 2014 15:49:00 +0000 Received: from mail214-va3 (localhost [127.0.0.1]) by mail214-va3-R.bigfish.com (Postfix) with ESMTP id B8D227801D5; Tue, 7 Jan 2014 15:49:00 +0000 (UTC) X-Forefront-Antispam-Report: CIP:66.35.236.231; KIP:(null); UIP:(null); IPV:NLI; H:sj-itexedge01.altera.priv.altera.com; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah1fc6hzz1de098h8275bh1de097hz2fh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h14ddh1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah224fh1d0ch1d2eh1d3fh1dc1h1dfeh1dffh1e1dh1e23h1fe8h1ff5h2218h2216h226dh22d0h2327h2336h1155h) Received-SPF: pass (mail214-va3: domain of altera.com designates 66.35.236.231 as permitted sender) client-ip=66.35.236.231; envelope-from=dinguyen@altera.com; helo=sj-itexedge01.altera.priv.altera.com ; v.altera.com ; Received: from mail214-va3 (localhost.localdomain [127.0.0.1]) by mail214-va3 (MessageSwitch) id 1389109739168229_22002; Tue, 7 Jan 2014 15:48:59 +0000 (UTC) Received: from VA3EHSMHS037.bigfish.com (unknown [10.7.14.239]) by mail214-va3.bigfish.com (Postfix) with ESMTP id 24FBA440047; Tue, 7 Jan 2014 15:48:59 +0000 (UTC) Received: from sj-itexedge01.altera.priv.altera.com (66.35.236.231) by VA3EHSMHS037.bigfish.com (10.7.99.47) with Microsoft SMTP Server (TLS) id 14.16.227.3; Tue, 7 Jan 2014 15:48:58 +0000 Received: from sj-mail01.altera.com (137.57.1.6) by sj-itexedge01.altera.priv.altera.com (66.35.236.231) with Microsoft SMTP Server id 8.3.298.1; Tue, 7 Jan 2014 07:40:10 -0800 Received: from linux-builds1.altera.com (linux-builds1.altera.com [137.57.188.114]) by sj-mail01.altera.com (8.13.7+Sun/8.13.7) with ESMTP id s07FmuWF025859; Tue, 7 Jan 2014 07:48:56 -0800 (PST) From: To: Subject: [PATCH] ARM: socfpga: Optimize L2 cache settings Date: Tue, 7 Jan 2014 09:47:08 -0600 Message-ID: <1389109628-29868-1-git-send-email-dinguyen@altera.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-OriginatorOrg: altera.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140107_104924_701497_2272DE61 X-CRM114-Status: UNSURE ( 8.02 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) Cc: Dinh Nguyen , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 From: Dinh Nguyen The L2 cache settings the SOCFPGA platform should have data and instruction prefetch, along with the share override bits set. Signed-off-by: Dinh Nguyen --- arch/arm/mach-socfpga/socfpga.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c index e8fb821..87164f8 100644 --- a/arch/arm/mach-socfpga/socfpga.c +++ b/arch/arm/mach-socfpga/socfpga.c @@ -169,7 +169,11 @@ static void socfpga_cyclone5_restart(enum reboot_mode mode, const char *cmd) static void __init socfpga_cyclone5_init(void) { - l2x0_of_init(0, ~0UL); + u32 aux_ctrl = 0; + aux_ctrl |= (1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | + (1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) | + (1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT); + l2x0_of_init(aux_ctrl, ~0UL); of_platform_populate(NULL, of_default_bus_match_table, socfpga_auxdata_lookup, NULL); }