From patchwork Tue Nov 10 06:46:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Lee X-Patchwork-Id: 11893401 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71FF4C388F7 for ; Tue, 10 Nov 2020 06:47:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 073452065C for ; Tue, 10 Nov 2020 06:47:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="1wIaEnTe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 073452065C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=allwinnertech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3C6CE4bz3pjlX7y/ZU68mjrEGBDJ/uW+47Vzgsa5wnI=; b=1wIaEnTegJsAz/zquqGTeHd42 FtprgyX5oxgDq/7+lNTZcsjZcwRHMp8/efPpSTx5T+5m4F6LN99XuL7dNU130W2sreVGsO7y00Gdy BN93rEWfxjor9w+ve5PCLXV2WHVCMlf5B9xrXXPBbZ0mt9D6ijUeb0a07fqPFlLB4J1wPfYDNNod+ hN7q+53UTTprnSXzn9vAQTsMkEYvv0rG2te88epRRBtP7FWOUqrGltBEwfi6XOZvhGm5ShHno3a1d NfI5Ghyr2Ce2cOAEkFKtRYUsrolLoOLvYAxXSkZdB98rzg9/nTF0mkFYZuUE3nOaMqJw93b3qhNXS vwJFo4mww==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcNQU-0003Ew-01; Tue, 10 Nov 2020 06:46:46 +0000 Received: from smtp2207-205.mail.aliyun.com ([121.197.207.205]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcNQP-0003DN-RG for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 06:46:42 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.09124708|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.0186312-0.000150051-0.981219; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047201; MF=frank@allwinnertech.com; NM=1; PH=DS; RN=12; RT=12; SR=0; TI=SMTPD_---.IuoOt.3_1604990794; Received: from allwinnertech.com(mailfrom:frank@allwinnertech.com fp:SMTPD_---.IuoOt.3_1604990794) by smtp.aliyun-inc.com(10.147.40.7); Tue, 10 Nov 2020 14:46:38 +0800 From: Frank Lee To: tiny.windzz@gmail.com Subject: [RESEND PATCH 17/19] mmc: sunxi: add support for A100 mmc controller Date: Tue, 10 Nov 2020 14:46:31 +0800 Message-Id: X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_014642_148358_BCF06753 X-CRM114-Status: GOOD ( 13.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Ulf Hansson , Wolfram Sang , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Maxime Ripard , Douglas Anderson , Rui Miguel Silva , Chen-Yu Tsai , Yangtao Li , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Yangtao Li This patch adds support for A100 MMC controller, which use word address for internal dma. Signed-off-by: Yangtao Li --- drivers/mmc/host/sunxi-mmc.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index fc62773602ec..1518b64112b7 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -244,6 +244,7 @@ struct sunxi_idma_des { struct sunxi_mmc_cfg { u32 idma_des_size_bits; + u32 idma_des_shift; const struct sunxi_mmc_clk_delay *clk_delays; /* does the IP block support autocalibration? */ @@ -343,7 +344,7 @@ static int sunxi_mmc_init_host(struct sunxi_mmc_host *host) /* Enable CEATA support */ mmc_writel(host, REG_FUNS, SDXC_CEATA_ON); /* Set DMA descriptor list base address */ - mmc_writel(host, REG_DLBA, host->sg_dma); + mmc_writel(host, REG_DLBA, host->sg_dma >> host->cfg->idma_des_shift); rval = mmc_readl(host, REG_GCTRL); rval |= SDXC_INTERRUPT_ENABLE_BIT; @@ -373,8 +374,10 @@ static void sunxi_mmc_init_idma_des(struct sunxi_mmc_host *host, next_desc += sizeof(struct sunxi_idma_des); pdes[i].buf_addr_ptr1 = - cpu_to_le32(sg_dma_address(&data->sg[i])); - pdes[i].buf_addr_ptr2 = cpu_to_le32((u32)next_desc); + cpu_to_le32(sg_dma_address(&data->sg[i]) >> + host->cfg->idma_des_shift); + pdes[i].buf_addr_ptr2 = cpu_to_le32((u32)next_desc >> + host->cfg->idma_des_shift); } pdes[0].config |= cpu_to_le32(SDXC_IDMAC_DES0_FD); @@ -1178,6 +1181,23 @@ static const struct sunxi_mmc_cfg sun50i_a64_emmc_cfg = { .needs_new_timings = true, }; +static const struct sunxi_mmc_cfg sun50i_a100_cfg = { + .idma_des_size_bits = 16, + .idma_des_shift = 2, + .clk_delays = NULL, + .can_calibrate = true, + .mask_data0 = true, + .needs_new_timings = true, +}; + +static const struct sunxi_mmc_cfg sun50i_a100_emmc_cfg = { + .idma_des_size_bits = 13, + .idma_des_shift = 2, + .clk_delays = NULL, + .can_calibrate = true, + .needs_new_timings = true, +}; + static const struct of_device_id sunxi_mmc_of_match[] = { { .compatible = "allwinner,sun4i-a10-mmc", .data = &sun4i_a10_cfg }, { .compatible = "allwinner,sun5i-a13-mmc", .data = &sun5i_a13_cfg }, @@ -1186,6 +1206,8 @@ static const struct of_device_id sunxi_mmc_of_match[] = { { .compatible = "allwinner,sun9i-a80-mmc", .data = &sun9i_a80_cfg }, { .compatible = "allwinner,sun50i-a64-mmc", .data = &sun50i_a64_cfg }, { .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg }, + { .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg }, + { .compatible = "allwinner,sun50i-a100-emmc", .data = &sun50i_a100_emmc_cfg }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sunxi_mmc_of_match);