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=-12.7 required=3.0 tests=BAYES_00, 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 47D9DC5517A for ; Tue, 10 Nov 2020 06:46:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F081D2065C for ; Tue, 10 Nov 2020 06:46:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730883AbgKJGqn (ORCPT ); Tue, 10 Nov 2020 01:46:43 -0500 Received: from smtp2207-205.mail.aliyun.com ([121.197.207.205]:53195 "EHLO smtp2207-205.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbgKJGqm (ORCPT ); Tue, 10 Nov 2020 01:46:42 -0500 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 Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, Yangtao Li , Ulf Hansson , Maxime Ripard , Chen-Yu Tsai , Marek Vasut , Rui Miguel Silva , Wolfram Sang , Douglas Anderson 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 Content-Transfer-Encoding: 8bit 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 --- 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); -- 2.28.0