From patchwork Wed Sep 25 08:30:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 2940341 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0B0F59F2B8 for ; Wed, 25 Sep 2013 08:30:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E85FD203DB for ; Wed, 25 Sep 2013 08:30:05 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 80B4620318 for ; Wed, 25 Sep 2013 08:30:04 +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 1VOkTe-0000FH-Cm; Wed, 25 Sep 2013 08:29:42 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VOkTY-0008K2-6E; Wed, 25 Sep 2013 08:29:36 +0000 Received: from co9ehsobe003.messaging.microsoft.com ([207.46.163.26] helo=co9outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VOkTK-0008HD-9F for linux-arm-kernel@lists.infradead.org; Wed, 25 Sep 2013 08:29:23 +0000 Received: from mail16-co9-R.bigfish.com (10.236.132.231) by CO9EHSOBE032.bigfish.com (10.236.130.95) with Microsoft SMTP Server id 14.1.225.22; Wed, 25 Sep 2013 08:28:59 +0000 Received: from mail16-co9 (localhost [127.0.0.1]) by mail16-co9-R.bigfish.com (Postfix) with ESMTP id 4BB164E0217; Wed, 25 Sep 2013 08:28:59 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h208ch1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6hzz1de098h1de097h8275dhz2dh87h2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h1151h1155h) X-FB-DOMAIN-IP-MATCH: fail Received: from mail16-co9 (localhost.localdomain [127.0.0.1]) by mail16-co9 (MessageSwitch) id 1380097737322523_12936; Wed, 25 Sep 2013 08:28:57 +0000 (UTC) Received: from CO9EHSMHS006.bigfish.com (unknown [10.236.132.253]) by mail16-co9.bigfish.com (Postfix) with ESMTP id 4AE153C00DA; Wed, 25 Sep 2013 08:28:57 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CO9EHSMHS006.bigfish.com (10.236.130.16) with Microsoft SMTP Server (TLS) id 14.16.227.3; Wed, 25 Sep 2013 08:28:57 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.3.158.2; Wed, 25 Sep 2013 08:28:56 +0000 Received: from S2101-09.ap.freescale.net ([10.192.185.61]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id r8P8SpJg003253; Wed, 25 Sep 2013 01:28:54 -0700 From: Shawn Guo To: Subject: [PATCH 1/5] ARM: imx: add soc revision helper functions Date: Wed, 25 Sep 2013 16:30:19 +0800 Message-ID: <1380097823-29027-2-git-send-email-shawn.guo@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1380097823-29027-1-git-send-email-shawn.guo@linaro.org> References: <1380097823-29027-1-git-send-email-shawn.guo@linaro.org> MIME-Version: 1.0 X-OriginatorOrg: sigmatel.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-20130925_042922_491963_B273B351 X-CRM114-Status: UNSURE ( 9.56 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) Cc: Shawn Guo , kernel@pengutronix.de 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=-6.2 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 Similar to what we do for cpu type, the patch adds helper functions imx_set_soc_revision() and imx_get_soc_revision() to maintain imx_soc_revision in cpu.c. Signed-off-by: Shawn Guo --- arch/arm/mach-imx/common.h | 2 ++ arch/arm/mach-imx/cpu.c | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 4517fd7..d87fff1 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -81,6 +81,8 @@ extern int imx6q_revision(void); extern int mx53_display_revision(void); extern void imx_set_aips(void __iomem *); extern int mxc_device_init(void); +void imx_set_soc_revision(unsigned int rev); +unsigned int imx_get_soc_revision(void); enum mxc_cpu_pwr_mode { WAIT_CLOCKED, /* wfi only */ diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index e70e3ac..51f6c51 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -8,11 +8,23 @@ unsigned int __mxc_cpu_type; EXPORT_SYMBOL(__mxc_cpu_type); +static unsigned int imx_soc_revision; + void mxc_set_cpu_type(unsigned int type) { __mxc_cpu_type = type; } +void imx_set_soc_revision(unsigned int rev) +{ + imx_soc_revision = rev; +} + +unsigned int imx_get_soc_revision(void) +{ + return imx_soc_revision; +} + void imx_print_silicon_rev(const char *cpu, int srev) { if (srev == IMX_CHIP_REVISION_UNKNOWN)