From patchwork Mon Feb 17 04:13:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bi1IdW5nIFd1ICjlt6vpp7/lro8p?= X-Patchwork-Id: 11385171 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2FA131395 for ; Mon, 17 Feb 2020 04:13:30 +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 0CA6221744 for ; Mon, 17 Feb 2020 04:13:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DguiD88O"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Z8kRbti/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0CA6221744 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+patchwork-linux-arm=patchwork.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=Cz2sfNoLBZHeruvql/XoCFcb8dL8kaAKwoq9o8ZU/WE=; b=DguiD88O/eK5Ni deO8CNWA7AmtpFRMjl9Bn36a+ymE3ZzhkBPDVMRZPqrn8SPZa68CByc7nTYYdLl1iyEOiRof/nGJ1 VWk0/ByNtk6H+5lFpuwufe9u+vx1243Z2uKL7JdU6jJewvPcfN28vJ5V3afVl35VtiT3uOZiBAWde HI/akPMOcNa2MeNhiS8/l1NFMEBI+L5egTUIgt8VY8GMIhsZMOQKLM6gNHEA4sMLPyYZrOHwrhgUh SCtQ6O61Dzqjn3OlVgiQSn9I/YI59/Wvk1yWa17/WLHI7dK8A8okc+HOqD2CB3PxVhuHx9TWJXOG0 UYZQheYpN/Nsr7eJlNeg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3Xmc-0007XA-R3; Mon, 17 Feb 2020 04:13:22 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3Xma-0007VT-El; Mon, 17 Feb 2020 04:13:21 +0000 X-UUID: c5328dd2cae84603b7a423ae4deeb8f9-20200216 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=U3geH0pwbmprft4odmdHxSNQYxcZOCAKNtO9cmGLgDE=; b=Z8kRbti/g6eqwu3Iv9psNs5omccGf51ODa2ht0OBBNh+lc9KBsDJeK6gp6URjk5PesAl/Rpxagup++0CJP3t2Y1iA4mCvskzOEEEXdecPaXHwo8FlfkBaqN8GKn4fIIl99fARTjeAvjO7Cp6IGpBx/FdO6YXI6aWAp0UlDYvcMc=; X-UUID: c5328dd2cae84603b7a423ae4deeb8f9-20200216 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 357039558; Sun, 16 Feb 2020 20:13:15 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 16 Feb 2020 20:13:33 -0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 17 Feb 2020 12:12:21 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 17 Feb 2020 12:13:00 +0800 From: Chun-Hung Wu To: Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH v2 1/4] [1/4] mmc: core: expose MMC_CAP2_CQE* to dt Date: Mon, 17 Feb 2020 12:13:07 +0800 Message-ID: <1581912790-19382-2-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1581912790-19382-1-git-send-email-chun-hung.wu@mediatek.com> References: <1581912790-19382-1-git-send-email-chun-hung.wu@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-20200216_201320_504132_959A9145 X-CRM114-Status: UNSURE ( 9.67 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Expose MMC_CAP2_CQE and MMC_CAP2_CQE_DCMD to host->caps2 if 1. "supports-cqe" is defined in dt and 2. "disable-cqe-dcmd" is not defined in dt. Change-Id: I3d172e6bcfac34520c3932a6f8df2e20f2c0d05b CR-Id: Feature: Signed-off-by: Chun-Hung Wu --- drivers/mmc/core/host.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 105b7a7..efb0dbe 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -319,6 +319,14 @@ int mmc_of_parse(struct mmc_host *host) host->caps2 |= MMC_CAP2_NO_SD; if (device_property_read_bool(dev, "no-mmc")) host->caps2 |= MMC_CAP2_NO_MMC; + if (device_property_read_bool(dev, "supports-cqe")) + host->caps2 |= MMC_CAP2_CQE; + + /* Must be after "supports-cqe" check */ + if (!device_property_read_bool(dev, "disable-cqe-dcmd")) { + if (host->caps2 & MMC_CAP2_CQE) + host->caps2 |= MMC_CAP2_CQE_DCMD; + } /* Must be after "non-removable" check */ if (device_property_read_u32(dev, "fixed-emmc-driver-type", &drv_type) == 0) { From patchwork Mon Feb 17 04:13:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bi1IdW5nIFd1ICjlt6vpp7/lro8p?= X-Patchwork-Id: 11385195 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A8E191395 for ; 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Mon, 17 Feb 2020 12:12:20 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 17 Feb 2020 12:13:01 +0800 From: Chun-Hung Wu To: Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH v2 2/4] [2/4] mmc: mediatek: refine msdc timeout api Date: Mon, 17 Feb 2020 12:13:08 +0800 Message-ID: <1581912790-19382-3-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1581912790-19382-1-git-send-email-chun-hung.wu@mediatek.com> References: <1581912790-19382-1-git-send-email-chun-hung.wu@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-20200216_202319_893028_4D737796 X-CRM114-Status: GOOD ( 11.00 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Extract msdc timeout api common part to have better code architecture and avoid redundent code. Change-Id: If41995e4d806cdbbb8cbcbc97080d96eceabf48b CR-Id: Feature: Signed-off-by: Chun-Hung Wu --- drivers/mmc/host/mtk-sd.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 189e426..127b0cf 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -698,21 +698,21 @@ static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq) } } -/* clock control primitives */ -static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) +static u64 msdc_timeout_cal(struct msdc_host *host, u64 ns, u64 clks) { - u32 timeout, clk_ns; + u64 timeout, clk_ns; u32 mode = 0; - host->timeout_ns = ns; - host->timeout_clks = clks; if (host->mmc->actual_clock == 0) { timeout = 0; } else { - clk_ns = 1000000000UL / host->mmc->actual_clock; - timeout = (ns + clk_ns - 1) / clk_ns + clks; + clk_ns = 1000000000ULL; + do_div(clk_ns, host->mmc->actual_clock); + timeout = ns + clk_ns - 1; + do_div(timeout, clk_ns); + timeout += clks; /* in 1048576 sclk cycle unit */ - timeout = (timeout + (0x1 << 20) - 1) >> 20; + timeout = DIV_ROUND_UP(timeout, (0x1 << 20)); if (host->dev_comp->clk_div_bits == 8) sdr_get_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD, &mode); @@ -722,9 +722,21 @@ static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) /*DDR mode will double the clk cycles for data timeout */ timeout = mode >= 2 ? timeout * 2 : timeout; timeout = timeout > 1 ? timeout - 1 : 0; - timeout = timeout > 255 ? 255 : timeout; } - sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, timeout); + return timeout; +} + +/* clock control primitives */ +static void msdc_set_timeout(struct msdc_host *host, u64 ns, u64 clks) +{ + u64 timeout; + + host->timeout_ns = ns; + host->timeout_clks = clks; + + timeout = msdc_timeout_cal(host, ns, clks); + sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, + (u32)(timeout > 255 ? 255 : timeout)); } static void msdc_gate_clock(struct msdc_host *host) From patchwork Mon Feb 17 04:13:09 2020 Content-Type: text/plain; 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Sun, 16 Feb 2020 20:13:18 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 16 Feb 2020 20:13:16 -0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 17 Feb 2020 12:12:23 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 17 Feb 2020 12:13:02 +0800 From: Chun-Hung Wu To: Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH v2 3/4] [3/4] mmc: mediatek: command queue support Date: Mon, 17 Feb 2020 12:13:09 +0800 Message-ID: <1581912790-19382-4-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1581912790-19382-1-git-send-email-chun-hung.wu@mediatek.com> References: <1581912790-19382-1-git-send-email-chun-hung.wu@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-20200216_201320_566557_4AFB5587 X-CRM114-Status: GOOD ( 15.66 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Support command queue for mt6779 platform. a. Add msdc_set_busy_timeout() to calculate emmc write timeout b. Connect mtk msdc driver to cqhci driver through host->cq_host->ops = &msdc_cmdq_ops; c. msdc_cmdq_irq() will link up with cqchi_irq(). Besides, it provides more irq error messages like RSPCRCERR/CMDTO/DATACRCERR/DATTMO. d. Use the options below to separate support for CQHCI or not, because some of our platform does not support CQHCI hence no kernel option: CONFIG_MMC_CQHCI. #if IS_ENABLED(CONFIG_MMC_CQHCI) XXX //Support CQHCI #else XXX //Not support CQHCI #endif Change-Id: I56b866fa4097a3c0bee77f53486c470e4f1944b9 Feature: Signed-off-by: Chun-Hung Wu --- drivers/mmc/host/mtk-sd.c | 119 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 127b0cf..b132397 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -31,6 +31,8 @@ #include #include +#include "cqhci.h" + #define MAX_BD_NUM 1024 /*--------------------------------------------------------------------------*/ @@ -151,6 +153,7 @@ #define MSDC_INT_DMA_BDCSERR (0x1 << 17) /* W1C */ #define MSDC_INT_DMA_GPDCSERR (0x1 << 18) /* W1C */ #define MSDC_INT_DMA_PROTECT (0x1 << 19) /* W1C */ +#define MSDC_INT_CMDQ (0x1 << 28) /* W1C */ /* MSDC_INTEN mask */ #define MSDC_INTEN_MMCIRQ (0x1 << 0) /* RW */ @@ -181,6 +184,7 @@ /* SDC_CFG mask */ #define SDC_CFG_SDIOINTWKUP (0x1 << 0) /* RW */ #define SDC_CFG_INSWKUP (0x1 << 1) /* RW */ +#define SDC_CFG_WRDTOC (0x1fff << 2) /* RW */ #define SDC_CFG_BUSWIDTH (0x3 << 16) /* RW */ #define SDC_CFG_SDIO (0x1 << 19) /* RW */ #define SDC_CFG_SDIOIDE (0x1 << 20) /* RW */ @@ -228,6 +232,7 @@ #define MSDC_PATCH_BIT_SPCPUSH (0x1 << 29) /* RW */ #define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */ +#define MSDC_PB1_BUSY_CHECK_SEL (0x1 << 7) /* RW */ #define MSDC_PATCH_BIT1_STOP_DLY (0xf << 8) /* RW */ #define MSDC_PATCH_BIT2_CFGRESP (0x1 << 15) /* RW */ @@ -431,6 +436,7 @@ struct msdc_host { struct msdc_save_para save_para; /* used when gate HCLK */ struct msdc_tune_para def_tune_para; /* default tune setting */ struct msdc_tune_para saved_tune_para; /* tune result of CMD21/CMD19 */ + struct cqhci_host *cq_host; }; static const struct mtk_mmc_compatible mt8135_compat = { @@ -527,6 +533,18 @@ struct msdc_host { .use_internal_cd = true, }; +static const struct mtk_mmc_compatible mt6779_compat = { + .clk_div_bits = 12, + .hs400_tune = false, + .pad_tune_reg = MSDC_PAD_TUNE0, + .async_fifo = true, + .data_tune = true, + .busy_check = true, + .stop_clk_fix = true, + .enhance_rx = true, + .support_64g = true, +}; + static const struct of_device_id msdc_of_ids[] = { { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat}, { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat}, @@ -536,6 +554,7 @@ struct msdc_host { { .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat}, { .compatible = "mediatek,mt8516-mmc", .data = &mt8516_compat}, { .compatible = "mediatek,mt7620-mmc", .data = &mt7620_compat}, + { .compatible = "mediatek,mt6779-mmc", .data = &mt6779_compat}, {} }; MODULE_DEVICE_TABLE(of, msdc_of_ids); @@ -739,6 +758,15 @@ static void msdc_set_timeout(struct msdc_host *host, u64 ns, u64 clks) (u32)(timeout > 255 ? 255 : timeout)); } +static void msdc_set_busy_timeout(struct msdc_host *host, u64 ns, u64 clks) +{ + u64 timeout; + + timeout = msdc_timeout_cal(host, ns, clks); + sdr_set_field(host->base + SDC_CFG, SDC_CFG_WRDTOC, + (u32)(timeout > 8191 ? 8191 : timeout)); +} + static void msdc_gate_clock(struct msdc_host *host) { clk_disable_unprepare(host->src_clk_cg); @@ -1425,6 +1453,36 @@ static void msdc_enable_sdio_irq(struct mmc_host *mmc, int enb) pm_runtime_put_noidle(host->dev); } +#if IS_ENABLED(CONFIG_MMC_CQHCI) +static irqreturn_t msdc_cmdq_irq(struct msdc_host *host, u32 intsts) +{ + int cmd_err = 0, dat_err = 0; + + if (intsts & MSDC_INT_RSPCRCERR) { + cmd_err = (unsigned int)-EILSEQ; + dev_err(host->dev, "%s: CMD CRC ERR", __func__); + } else if (intsts & MSDC_INT_CMDTMO) { + cmd_err = (unsigned int)-ETIMEDOUT; + dev_err(host->dev, "%s: CMD TIMEOUT ERR", __func__); + } + + if (intsts & MSDC_INT_DATCRCERR) { + dat_err = (unsigned int)-EILSEQ; + dev_err(host->dev, "%s: DATA CRC ERR", __func__); + } else if (intsts & MSDC_INT_DATTMO) { + dat_err = (unsigned int)-ETIMEDOUT; + dev_err(host->dev, "%s: DATA TIMEOUT ERR", __func__); + } + + if (cmd_err || dat_err) { + dev_err(host->dev, "cmd_err = %d, dat_err =%d, intsts = 0x%x", + cmd_err, dat_err, intsts); + } + + return cqhci_irq(host->mmc, 0, cmd_err, dat_err); +} +#endif + static irqreturn_t msdc_irq(int irq, void *dev_id) { struct msdc_host *host = (struct msdc_host *) dev_id; @@ -1461,6 +1519,16 @@ static irqreturn_t msdc_irq(int irq, void *dev_id) if (!(events & (event_mask & ~MSDC_INT_SDIOIRQ))) break; +#if IS_ENABLED(CONFIG_MMC_CQHCI) + if ((host->mmc->caps2 & MMC_CAP2_CQE) && + (events & MSDC_INT_CMDQ)) { + msdc_cmdq_irq(host, events); + /* clear interrupts */ + writel(events, host->base + MSDC_INT); + return IRQ_HANDLED; + } +#endif + if (!mrq) { dev_err(host->dev, "%s: MRQ=NULL; events=%08X; event_mask=%08X\n", @@ -2144,6 +2212,36 @@ static int msdc_get_cd(struct mmc_host *mmc) return !val; } +static void msdc_cqe_enable(struct mmc_host *mmc) +{ + struct msdc_host *host = mmc_priv(mmc); + + /* enable cmdq irq */ + writel(MSDC_INT_CMDQ, host->base + MSDC_INTEN); + /* enable busy check */ + sdr_set_bits(host->base + MSDC_PATCH_BIT1, MSDC_PB1_BUSY_CHECK_SEL); + /* default write data / busy timeout 20s */ + msdc_set_busy_timeout(host, 20 * 1000000000ULL, 0); + /* default read data timeout 1s */ + msdc_set_timeout(host, 1000000000ULL, 0); +} + +void msdc_cqe_disable(struct mmc_host *mmc, bool recovery) +{ + struct msdc_host *host = mmc_priv(mmc); + + /* disable cmdq irq */ + sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INT_CMDQ); + /* disable busy check */ + sdr_clr_bits(host->base + MSDC_PATCH_BIT1, MSDC_PB1_BUSY_CHECK_SEL); + + if (recovery) { + sdr_set_field(host->base + MSDC_DMA_CTRL, + MSDC_DMA_CTRL_STOP, 1); + msdc_reset_hw(host); + } +} + static const struct mmc_host_ops mt_msdc_ops = { .post_req = msdc_post_req, .pre_req = msdc_pre_req, @@ -2160,6 +2258,11 @@ static int msdc_get_cd(struct mmc_host *mmc) .hw_reset = msdc_hw_reset, }; +static const struct cqhci_host_ops msdc_cmdq_ops = { + .enable = msdc_cqe_enable, + .disable = msdc_cqe_disable, +}; + static void msdc_of_property_parse(struct platform_device *pdev, struct msdc_host *host) { @@ -2311,6 +2414,22 @@ static int msdc_drv_probe(struct platform_device *pdev) host->dma_mask = DMA_BIT_MASK(32); mmc_dev(mmc)->dma_mask = &host->dma_mask; +#if IS_ENABLED(CONFIG_MMC_CQHCI) + if (mmc->caps2 & MMC_CAP2_CQE) { + host->cq_host = devm_kzalloc(host->mmc->parent, + sizeof(*host->cq_host), + GFP_KERNEL); + host->cq_host->caps |= CQHCI_TASK_DESC_SZ_128; + host->cq_host->mmio = host->base + 0x800; + host->cq_host->ops = &msdc_cmdq_ops; + cqhci_init(host->cq_host, mmc, true); + mmc->max_segs = 128; + /* cqhci 16bit length */ + /* 0 size, means 65536 so we don't have to -1 here */ + mmc->max_seg_size = 64 * 1024; + } +#endif + host->timeout_clks = 3 * 1048576; host->dma.gpd = dma_alloc_coherent(&pdev->dev, 2 * sizeof(struct mt_gpdma_desc), From patchwork Mon Feb 17 04:13:10 2020 Content-Type: text/plain; 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Sun, 16 Feb 2020 20:13:21 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 16 Feb 2020 20:13:19 -0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 17 Feb 2020 12:12:23 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 17 Feb 2020 12:13:05 +0800 From: Chun-Hung Wu To: Chaotian Jing , Ulf Hansson , Rob Herring , Mark Rutland , Matthias Brugger , "Linus Walleij" , Pavel Machek , Kate Stewart , Greg Kroah-Hartman , Martin Blumenstingl , Pan Bian , "Thomas Gleixner" , Allison Randal , "Mathieu Malaterre" , Stanley Chu , "Kuohong Wang" Subject: [PATCH v2 4/4] [4/4] dt-bindings: mmc: mediatek: Add document for mt6779 Date: Mon, 17 Feb 2020 12:13:10 +0800 Message-ID: <1581912790-19382-5-git-send-email-chun-hung.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1581912790-19382-1-git-send-email-chun-hung.wu@mediatek.com> References: <1581912790-19382-1-git-send-email-chun-hung.wu@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-20200216_201324_095001_A0EFDE92 X-CRM114-Status: UNSURE ( 9.91 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, Chun-Hung Wu , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add compatible node for mt6779 mmc Change-Id: Id36a136a75e892c9360ec95c7f52db06f5b308a4 CR-Id: Feature: Signed-off-by: Chun-Hung Wu --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt index 8a532f4..0c9cf6a 100644 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt @@ -12,6 +12,7 @@ Required properties: "mediatek,mt8173-mmc": for mmc host ip compatible with mt8173 "mediatek,mt8183-mmc": for mmc host ip compatible with mt8183 "mediatek,mt8516-mmc": for mmc host ip compatible with mt8516 + "mediatek,mt6779-mmc": for mmc host ip compatible with mt6779 "mediatek,mt2701-mmc": for mmc host ip compatible with mt2701 "mediatek,mt2712-mmc": for mmc host ip compatible with mt2712 "mediatek,mt7622-mmc": for MT7622 SoC