From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=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=ham 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 BB0FDC3A59D for ; Thu, 22 Aug 2019 06:48:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8982821848 for ; Thu, 22 Aug 2019 06:48:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="N1U6DLn8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8982821848 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.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=bFwIQnZ2+sk+ZjhPsfOb02r+pBT5dUgYSjK1Qz0zp30=; b=N1U6DLn8jqRzdS GSRlpkc0PY0sy4RrbSCk+koX58vAkDXmaCMHNxO07kufbZpjFREM8wYd8LOPyO+ZfsTWPntHDYhqB /EXp6Wvb26ZcpnB/w2DQkbbVqIZ4ShArWvowpMQoZQpZ41jF0VcVlAg7qkeIxtZCQ5CDlwDUBef22 vbLCgXqBmru96N69bnn6IpYF9VwnywKX3j1+h6cDDQ2ZG2c4g9KUp1Pk0GcTNO4AJfSljs6tk6sUI PpfXTIVxNlFw7OGSVr6wiS+0nO4EJxq3Jt4VnJDBhXHQ2onCVDV/21OJRwdkfDZCVlb1Gw8qOjCw7 j86ioRyGNDzA3DsZQGfA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i0gtH-0001ws-UQ; Thu, 22 Aug 2019 06:48:12 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i0gt1-0001sU-Tp; Thu, 22 Aug 2019 06:47:59 +0000 X-UUID: 2202330e5e1a44a59d7fc3a8ad2bda6b-20190821 X-UUID: 2202330e5e1a44a59d7fc3a8ad2bda6b-20190821 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 442027429; Wed, 21 Aug 2019 22:47:47 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 21 Aug 2019 23:47:46 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 22 Aug 2019 14:47:45 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 22 Aug 2019 14:47:44 +0800 From: Chaotian Jing To: Ulf Hansson Subject: [PATCH 2/2] mmc: mediatek: support 24bits segment size Date: Thu, 22 Aug 2019 14:47:41 +0800 Message-ID: <20190822064741.11196-3-chaotian.jing@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190822064741.11196-1-chaotian.jing@mediatek.com> References: <20190822064741.11196-1-chaotian.jing@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190821_234756_790176_F9F48F7D X-CRM114-Status: GOOD ( 10.38 ) 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: srv_heupstream@mediatek.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Chaotian Jing , Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org MSDC IP which support 64G DRAM will support 24bits BDMA buffer length, so add support it. Signed-off-by: Chaotian Jing --- drivers/mmc/host/mtk-sd.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 5cc422e5db69..4c72c5b73e87 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -328,6 +328,7 @@ struct mt_bdma_desc { u32 ptr; u32 bd_data_len; #define BDMA_DESC_BUFLEN (0xffff) /* bit0 ~ bit15 */ +#define BDMA_DESC_BUFLEN_EXT (0xffffff) /* bit0 ~ bit23 */ }; struct msdc_dma { @@ -641,8 +642,14 @@ static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma, bd[j].bd_info |= (upper_32_bits(dma_address) & 0xf) << 28; } - bd[j].bd_data_len &= ~BDMA_DESC_BUFLEN; - bd[j].bd_data_len |= (dma_len & BDMA_DESC_BUFLEN); + + if (host->dev_comp->support_64g) { + bd[j].bd_data_len &= ~BDMA_DESC_BUFLEN_EXT; + bd[j].bd_data_len |= (dma_len & BDMA_DESC_BUFLEN_EXT); + } else { + bd[j].bd_data_len &= ~BDMA_DESC_BUFLEN; + bd[j].bd_data_len |= (dma_len & BDMA_DESC_BUFLEN); + } if (j == data->sg_count - 1) /* the last bd */ bd[j].bd_info |= BDMA_DESC_EOL; @@ -2277,7 +2284,10 @@ static int msdc_drv_probe(struct platform_device *pdev) mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23; /* MMC core transfer sizes tunable parameters */ mmc->max_segs = MAX_BD_NUM; - mmc->max_seg_size = BDMA_DESC_BUFLEN; + if (host->dev_comp->support_64g) + mmc->max_seg_size = BDMA_DESC_BUFLEN_EXT; + else + mmc->max_seg_size = BDMA_DESC_BUFLEN; mmc->max_blk_size = 2048; mmc->max_req_size = 512 * 1024; mmc->max_blk_count = mmc->max_req_size / 512; -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel