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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 08C3DC0018C for ; Fri, 11 Dec 2020 01:24:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB23C23DE5 for ; Fri, 11 Dec 2020 01:24:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394763AbgLKBYG (ORCPT ); Thu, 10 Dec 2020 20:24:06 -0500 Received: from foss.arm.com ([217.140.110.172]:49798 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2394746AbgLKBVf (ORCPT ); Thu, 10 Dec 2020 20:21:35 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 029861478; Thu, 10 Dec 2020 17:20:16 -0800 (PST) Received: from localhost.localdomain (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CE55A3F66B; Thu, 10 Dec 2020 17:20:13 -0800 (PST) From: Andre Przywara To: Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec Cc: Icenowy Zheng , Linus Walleij , Rob Herring , =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , Shuosheng Huang , Yangtao Li , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Ulf Hansson , linux-mmc@vger.kernel.org Subject: [PATCH v2 09/21] mmc: sunxi: add support for A100 mmc controller Date: Fri, 11 Dec 2020 01:19:22 +0000 Message-Id: <20201211011934.6171-10-andre.przywara@arm.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20201211011934.6171-1-andre.przywara@arm.com> References: <20201211011934.6171-1-andre.przywara@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yangtao Li This patch adds support for A100 MMC controller, which use word address for internal dma. Signed-off-by: Yangtao Li Signed-off-by: Andre Przywara --- 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); -- 2.17.5 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 82FE6C433FE for ; Fri, 11 Dec 2020 01:23:26 +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 3CB1023DE3 for ; Fri, 11 Dec 2020 01:23:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3CB1023DE3 Authentication-Results: mail.kernel.org; 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Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1knX80-0005p7-NK; Fri, 11 Dec 2020 01:21:48 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1knX6W-0005Lb-QL for linux-arm-kernel@lists.infradead.org; Fri, 11 Dec 2020 01:20:22 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 029861478; Thu, 10 Dec 2020 17:20:16 -0800 (PST) Received: from localhost.localdomain (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CE55A3F66B; Thu, 10 Dec 2020 17:20:13 -0800 (PST) From: Andre Przywara To: Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec Subject: [PATCH v2 09/21] mmc: sunxi: add support for A100 mmc controller Date: Fri, 11 Dec 2020 01:19:22 +0000 Message-Id: <20201211011934.6171-10-andre.przywara@arm.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20201211011934.6171-1-andre.przywara@arm.com> References: <20201211011934.6171-1-andre.przywara@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201210_202017_059046_EEF2965B X-CRM114-Status: GOOD ( 16.38 ) 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: Rob Herring , Ulf Hansson , Yangtao Li , Linus Walleij , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , Icenowy Zheng , Shuosheng Huang , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 Signed-off-by: Andre Przywara --- 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); -- 2.17.5 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel