From patchwork Fri Aug 25 16:02:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 111037 Delivered-To: patch@linaro.org Received: by 10.140.95.78 with SMTP id h72csp1224753qge; Fri, 25 Aug 2017 09:03:00 -0700 (PDT) X-Received: by 10.80.155.8 with SMTP id o8mr4004281edi.27.1503676979984; Fri, 25 Aug 2017 09:02:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1503676979; cv=none; d=google.com; s=arc-20160816; b=gFiaHLlnZ04xEM6Jut/tQxdthBfNEXzhitKN0fRVIwVMhj9krE8B7EgRmMvuRMtZH4 36vVEwqPA3Qh5sHrIEQ/C4VqpRR01ElbW1J5bv+BD0phSUY68p8oFg0qmHHCc1tT87jn BybjUCkjARVL+OPwKK+OO+xzNsUSYKJX7UiPIf+XXm6lvigpbXNzYgNVOAPtrbiiWvVN vxE3sKWmvSM56MPxdhd1PuWhqJNJVcwkYhiMhSvATbRsMlexAm2H2zCwKIusRebigdQA iUDV0uJQz50l76zlupDUVZ5TuxvCNkBbPpeORccZaznHCKUjDgI9nzMXA52JUAHlh505 5Q5w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:message-id:date:to:from:dkim-signature :dkim-filter:arc-authentication-results; bh=wfWsfV7lVnKdwreWcsWXFbG7MzkjIm/84jowTbaQgBA=; b=BEFS8tUhDHXYTJe4/sjgjGBoP+A+XH+zz12TDuk8Q+shXfd3lV8TX6MgmWp+l6l6el 6ZqYduTCfnFoehAcmuIly06n6E2epK2LbG1FZWIqgcwtIgkHlpOEtBrLlzjla5t4NakU fNq/YXxcERnT0gJNDizQqbfsJ5c6r1NGliT6Xjl/GUI+t1Cp8EO+rOWfATnsvOBO/Dp+ bB95EQan8MVvuV5LGTwqDA7CqCvo0T5Y76IXszWwGzoIzhX5IVkp8+4MR1n2b0X1Be33 ct1a/Q7XwZl/tX/lDVlH699LXlUzt2DRS/spamOzAOGzRYLPEYTUxbah4X6fnEjm9hkK DxAg== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=FiqcA6OQ; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Return-Path: Received: from lists.denx.de (dione.denx.de. [81.169.180.215]) by mx.google.com with ESMTP id p3si6183342edl.503.2017.08.25.09.02.59; Fri, 25 Aug 2017 09:02:59 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) client-ip=81.169.180.215; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=FiqcA6OQ; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by lists.denx.de (Postfix, from userid 105) id 7707AC21F63; Fri, 25 Aug 2017 16:02:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id ADE57C21F60; Fri, 25 Aug 2017 16:02:54 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id B454CC21F63; Fri, 25 Aug 2017 16:02:52 +0000 (UTC) Received: from conuserg-07.nifty.com (conuserg-07.nifty.com [210.131.2.74]) by lists.denx.de (Postfix) with ESMTPS id 98E48C21F5F for ; Fri, 25 Aug 2017 16:02:51 +0000 (UTC) Received: from grover.sesame (FL1-122-131-185-176.osk.mesh.ad.jp [122.131.185.176]) (authenticated) by conuserg-07.nifty.com with ESMTP id v7PG2kUw022521; Sat, 26 Aug 2017 01:02:46 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com v7PG2kUw022521 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1503676966; bh=AGAtcqCWPFJmRbrCatdCT7xqHZ44ABS/cIWSBuEVLMg=; h=From:To:Cc:Subject:Date:From; b=FiqcA6OQ3v9D4kDY9fvU0Psy2Nkp1Ce9C7EW+9v8KgVCDsBa3qR4kswwu9CKZYrUX GZgnB9r4WaTNWLaeaQcKExcJ5Pcn1AHuKU6u1SopSsYWMAxqv1SLc05wqS9MosX3XJ F55V4WP3AFghWJz3cCJ9yJekTGeVvfnAeDbfBW19A6bvzpptKIBwOkXmOh4NtHvjUK FfLWQXAw91DZVJsQbVNmms5hjMW2nEb+MaRt4CvOEstDlwFeW/8y/+9Epz96t3FGiu QjYM+M/LXWnM2ck2Q/BKPFjWWjF6lqMoDkOMHWgKJ+pNYxoeiBCzQjpM/cTjSW380N G0y0fjK4WuVvg== X-Nifty-SrcIP: [122.131.185.176] From: Masahiro Yamada To: u-boot@lists.denx.de Date: Sat, 26 Aug 2017 01:02:39 +0900 Message-Id: <1503676959-25682-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Subject: [U-Boot] [PATCH] linux/io.h: import generic ioread* / iowrite* accessors from Linux X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Some drivers in Linux (ex. drivers/mtd/nand/denali.c) use ioread*/iowrite* accessors. Import them to make drivers more synced. I copied code from include/asm-generic/io.h of Linux. Signed-off-by: Masahiro Yamada --- include/linux/io.h | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/include/linux/io.h b/include/linux/io.h index a104b7e69f7c..bf1ddbbaa671 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -9,6 +9,50 @@ #include #include +static inline u8 ioread8(const volatile void __iomem *addr) +{ + return readb(addr); +} + +static inline u16 ioread16(const volatile void __iomem *addr) +{ + return readw(addr); +} + +static inline u32 ioread32(const volatile void __iomem *addr) +{ + return readl(addr); +} + +#ifdef CONFIG_64BIT +static inline u64 ioread64(const volatile void __iomem *addr) +{ + return readq(addr); +} +#endif /* CONFIG_64BIT */ + +static inline void iowrite8(u8 value, volatile void __iomem *addr) +{ + writeb(value, addr); +} + +static inline void iowrite16(u16 value, volatile void __iomem *addr) +{ + writew(value, addr); +} + +static inline void iowrite32(u32 value, volatile void __iomem *addr) +{ + writel(value, addr); +} + +#ifdef CONFIG_64BIT +static inline void iowrite64(u64 value, volatile void __iomem *addr) +{ + writeq(value, addr); +} +#endif /* CONFIG_64BIT */ + #ifndef CONFIG_HAVE_ARCH_IOREMAP static inline void __iomem *ioremap(resource_size_t offset, resource_size_t size)