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[209.132.180.67]) by mx.google.com with ESMTP id g17-v6si6578040plo.355.2018.06.14.19.04.57; Thu, 14 Jun 2018 19:04:57 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-mmc-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org header.s=google header.b=Hd8DOIb1; spf=pass (google.com: best guess record for domain of linux-mmc-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-mmc-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965425AbeFOCE4 (ORCPT + 6 others); Thu, 14 Jun 2018 22:04:56 -0400 Received: from mail-pl0-f66.google.com ([209.85.160.66]:39439 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965420AbeFOCEx (ORCPT ); Thu, 14 Jun 2018 22:04:53 -0400 Received: by mail-pl0-f66.google.com with SMTP id f1-v6so4527520plt.6 for ; Thu, 14 Jun 2018 19:04:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=HweywlkV3W7hX6j4jAziXnB8202QrrYYO0FfXOW5ydM=; b=Hd8DOIb1VuXzTzCRG00r3F7KyoIp6qzwSDWD10+FgpacBq615zkgwJMx/NESKdxh9x bbhe+SJPEhLTFVBYPt9fmsT+7oxAB4YdUq2e4u1SJpz6oN+GtGvV6DzYLXIdxMPA0krI Ds/XBBX8oyipU8HJLCrdxFqbwKtWm82cEMdWU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=HweywlkV3W7hX6j4jAziXnB8202QrrYYO0FfXOW5ydM=; b=SfyO/W1mrfClqw9kmA336RAweJjAOBGWUDpLQV1OCwmsfi6mB5YKWqU77hfSVRtGq8 +53eZlyUTjqj7TZ4phyJIaeV+tYAL0Vtnl6tphn3vmqSEp8+Gdpqee8Al9RBtwiz80vD V6nZkClsEmHBNnMoqz4gAfoYEXekp8dz/fuSAm7V9stEQDP2bKd7yXYYcduqtN2bC0D4 gRDTpVXPZNweQdGqYbIW1ru1veVHdZik+j78HscYaf5w5A7fNmClEfNhFgbo8lNDu4rf IsqUrkSIF2xDzHgj619eFo/AvgCOVer7CGPUOpWyf1Y0gRNihhWjSqHXJwlazegzGina msYw== X-Gm-Message-State: APt69E2TUdIuntFxIOLjMPe4duqwK4ml/K94KNfCW/+7zzE1oe4Kk78p W50X71MK7+Dhr94l7ymxJMgNDg== X-Received: by 2002:a17:902:c6b:: with SMTP id 98-v6mr5695123pls.37.1529028293264; Thu, 14 Jun 2018 19:04:53 -0700 (PDT) Received: from ubt.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id k69-v6sm9504953pgc.39.2018.06.14.19.04.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 14 Jun 2018 19:04:52 -0700 (PDT) From: Chunyan Zhang To: Ulf Hansson , Adrian Hunter Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Orson Zhai , Baolin Wang , Billows Wu , zhang.lyra@gmail.com Subject: [PATCH V2 2/7] mmc: sdhci: made changes for System Address register of SDMA Date: Fri, 15 Jun 2018 10:04:10 +0800 Message-Id: <1529028255-6022-3-git-send-email-zhang.chunyan@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1529028255-6022-1-git-send-email-zhang.chunyan@linaro.org> References: <1529028255-6022-1-git-send-email-zhang.chunyan@linaro.org> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org According to the SD host controller specification version 4.10, when Host Version 4 is enabled, SDMA uses ADMA System Address register (05Fh-058h) instead of using SDMA System Address register to support both 32-bit and 64-bit addressing. Signed-off-by: Chunyan Zhang --- drivers/mmc/host/sdhci.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index cf5695f..f57201f 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -805,6 +805,7 @@ static void sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd) static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd) { u8 ctrl; + u32 reg; struct mmc_data *data = cmd->data; if (sdhci_data_line_cmd(cmd)) @@ -894,8 +895,10 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd) SDHCI_ADMA_ADDRESS_HI); } else { WARN_ON(sg_cnt != 1); + reg = host->v4_mode ? SDHCI_ADMA_ADDRESS : + SDHCI_DMA_ADDRESS; sdhci_writel(host, sdhci_sdma_address(host), - SDHCI_DMA_ADDRESS); + reg); } } @@ -2721,6 +2724,7 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) */ if (intmask & SDHCI_INT_DMA_END) { u32 dmastart, dmanow; + u32 reg; dmastart = sdhci_sdma_address(host); dmanow = dmastart + host->data->bytes_xfered; @@ -2733,7 +2737,9 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) host->data->bytes_xfered = dmanow - dmastart; DBG("DMA base 0x%08x, transferred 0x%06x bytes, next 0x%08x\n", dmastart, host->data->bytes_xfered, dmanow); - sdhci_writel(host, dmanow, SDHCI_DMA_ADDRESS); + reg = host->v4_mode ? SDHCI_ADMA_ADDRESS : + SDHCI_DMA_ADDRESS; + sdhci_writel(host, dmanow, reg); } if (intmask & SDHCI_INT_DATA_END) {