From patchwork Fri Aug 17 02:54:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen He X-Patchwork-Id: 10568333 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E40CF1669 for ; Fri, 17 Aug 2018 02:57:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D27AE2B4B3 for ; Fri, 17 Aug 2018 02:57:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C71442B4D3; Fri, 17 Aug 2018 02:57:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7EDC12B4CA for ; Fri, 17 Aug 2018 02:57:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726325AbeHQF6m (ORCPT ); Fri, 17 Aug 2018 01:58:42 -0400 Received: from inva020.nxp.com ([92.121.34.13]:36934 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726213AbeHQF6m (ORCPT ); Fri, 17 Aug 2018 01:58:42 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 4E9541A004E; Fri, 17 Aug 2018 04:57:05 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id DC1581A00F0; Fri, 17 Aug 2018 04:57:01 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 5C8854034A; Fri, 17 Aug 2018 10:56:57 +0800 (SGT) From: Wen He To: vkoul@kernel.org, dmaengine@vger.kernel.org Cc: robh+dt@kernel.org, leoyang.li@nxp.com, jiafei.pan@nxp.com, peng.ma@nxp.com, wen.he_1@nxp.com Subject: [v8 2/7] dmaengine: fsldma: Adding macro FSL_DMA_IN/OUT implement for ARM platform Date: Fri, 17 Aug 2018 10:54:12 +0800 Message-Id: <20180817025417.37388-2-wen.he_1@nxp.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180817025417.37388-1-wen.he_1@nxp.com> References: <20180817025417.37388-1-wen.he_1@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch add the macro FSL_DMA_IN/OUT implement for ARM platform. Signed-off-by: Wen He --- drivers/dma/fsldma.h | 57 ++++++++++++++++++++++++++++++++++------------------ 1 file changed, 38 insertions(+), 19 deletions(-) diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h index 982845b..1dc64c9 100644 --- a/drivers/dma/fsldma.h +++ b/drivers/dma/fsldma.h @@ -196,39 +196,58 @@ struct fsldma_chan { #define to_fsl_desc(lh) container_of(lh, struct fsl_desc_sw, node) #define tx_to_fsl_desc(tx) container_of(tx, struct fsl_desc_sw, async_tx) +#ifdef CONFIG_PPC +#define fsl_ioread32(p) in_le32(p) +#define fsl_ioread32be(p) in_be32(p) +#define fsl_iowrite32(v, p) out_le32(p, v) +#define fsl_iowrite32be(v, p) out_be32(p, v) + #ifndef __powerpc64__ -static u64 in_be64(const u64 __iomem *addr) +static u64 fsl_ioread64(const u64 __iomem *addr) { - return ((u64)in_be32((u32 __iomem *)addr) << 32) | - (in_be32((u32 __iomem *)addr + 1)); + return ((u64)in_le32((u32 __iomem *)addr + 1) << 32) | + (in_le32((u32 __iomem *)addr)); } -static void out_be64(u64 __iomem *addr, u64 val) +static void fsl_iowrite64(u64 val, u64 __iomem *addr) { - out_be32((u32 __iomem *)addr, val >> 32); - out_be32((u32 __iomem *)addr + 1, (u32)val); + out_le32((u32 __iomem *)addr + 1, val >> 32); + out_le32((u32 __iomem *)addr, (u32)val); } -/* There is no asm instructions for 64 bits reverse loads and stores */ -static u64 in_le64(const u64 __iomem *addr) +static u64 fsl_ioread64be(const u64 __iomem *addr) { - return ((u64)in_le32((u32 __iomem *)addr + 1) << 32) | - (in_le32((u32 __iomem *)addr)); + return ((u64)in_be32((u32 __iomem *)addr) << 32) | + (in_be32((u32 __iomem *)addr + 1)); } -static void out_le64(u64 __iomem *addr, u64 val) +static void fsl_iowrite64be(u64 val, u64 __iomem *addr) { - out_le32((u32 __iomem *)addr + 1, val >> 32); - out_le32((u32 __iomem *)addr, (u32)val); + out_be32((u32 __iomem *)addr, val >> 32); + out_be32((u32 __iomem *)addr + 1, (u32)val); } #endif +#endif -#define FSL_DMA_IN(fsl_chan, addr, width) \ - (((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ? \ - in_be##width(addr) : in_le##width(addr)) -#define FSL_DMA_OUT(fsl_chan, addr, val, width) \ - (((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ? \ - out_be##width(addr, val) : out_le##width(addr, val)) +#if defined(CONFIG_ARM64) || defined(CONFIG_ARM) +#define fsl_ioread32(p) ioread32(p) +#define fsl_ioread32be(p) ioread32be(p) +#define fsl_iowrite32(v, p) iowrite32(v, p) +#define fsl_iowrite32be(v, p) iowrite32be(v, p) +#define fsl_ioread64(p) ioread64(p) +#define fsl_ioread64be(p) ioread64be(p) +#define fsl_iowrite64(v, p) iowrite64(v, p) +#define fsl_iowrite64be(v, p) iowrite64be(v, p) +#endif + +#define FSL_DMA_IN(fsl_dma, addr, width) \ + (((fsl_dma)->feature & FSL_DMA_BIG_ENDIAN) ? \ + fsl_ioread##width##be(addr) : fsl_ioread##width(addr)) + +#define FSL_DMA_OUT(fsl_dma, addr, val, width) \ + (((fsl_dma)->feature & FSL_DMA_BIG_ENDIAN) ? \ + fsl_iowrite##width##be(val, addr) : fsl_iowrite \ + ##width(val, addr)) #define DMA_TO_CPU(fsl_chan, d, width) \ (((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ? \