From patchwork Fri Sep 17 06:54:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chanho Park X-Patchwork-Id: 12501259 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 83517C433F5 for ; Fri, 17 Sep 2021 06:56:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6AE086112E for ; Fri, 17 Sep 2021 06:56:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238704AbhIQG5d (ORCPT ); Fri, 17 Sep 2021 02:57:33 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:29074 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238598AbhIQG5A (ORCPT ); Fri, 17 Sep 2021 02:57:00 -0400 Received: from epcas2p4.samsung.com (unknown [182.195.41.56]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20210917065528epoutp040b573e8aadcb73491d76308287c73061~liZi29Jnu3216932169epoutp04C for ; Fri, 17 Sep 2021 06:55:28 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20210917065528epoutp040b573e8aadcb73491d76308287c73061~liZi29Jnu3216932169epoutp04C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1631861729; bh=Q+1FOwMmvt/UfNZkgGqvo73CngjvQQxZR7qopF6TtmI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VhjDvrKwVY8XE0LJ9MTMQSYsz7miJuNRvpAMJxgzGmVNkRKDQ0Fvwz5ZVo1Zgj1hn EqR3BZyBgem4UaQ3GwiN8X6MnYwmrcE8ZrBJRxHdjJvkJz9I89emmqMMTr0BM+Jg5M +eBiGoIqKkadDO4ffUkR1n5gE2XmNsGWbTXET988= Received: from epsnrtp1.localdomain (unknown [182.195.42.162]) by epcas2p1.samsung.com (KnoxPortal) with ESMTP id 20210917065528epcas2p1800d6bb845fb30d89d4c5e34002e2125~liZiN61Zm0293602936epcas2p1S; Fri, 17 Sep 2021 06:55:28 +0000 (GMT) Received: from epsmges2p4.samsung.com (unknown [182.195.40.186]) by epsnrtp1.localdomain (Postfix) with ESMTP id 4H9l8F00D1z4x9Q7; Fri, 17 Sep 2021 06:55:24 +0000 (GMT) Received: from epcas2p2.samsung.com ( [182.195.41.54]) by epsmges2p4.samsung.com (Symantec Messaging Gateway) with SMTP id D8.DF.09472.CDB34416; Fri, 17 Sep 2021 15:55:24 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p4.samsung.com (KnoxPortal) with ESMTPA id 20210917065523epcas2p47156d9fba5b8d8a5e5908ccdc0ae1655~liZeH9Utn0164301643epcas2p4U; Fri, 17 Sep 2021 06:55:23 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210917065523epsmtrp28e142187a5921e25f8eff88fd68e8466~liZeG5qgB1371513715epsmtrp2T; Fri, 17 Sep 2021 06:55:23 +0000 (GMT) X-AuditID: b6c32a48-d75ff70000002500-50-61443bdce05f Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id 6C.91.08750.BDB34416; Fri, 17 Sep 2021 15:55:23 +0900 (KST) Received: from localhost.localdomain (unknown [10.229.9.51]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210917065523epsmtip2234377e40163045a1196fbc91726c72e~liZd7tMHN1565515655epsmtip2o; Fri, 17 Sep 2021 06:55:23 +0000 (GMT) From: Chanho Park To: Alim Akhtar , Avri Altman , "James E . J . Bottomley" , "Martin K . Petersen" , Krzysztof Kozlowski Cc: Bean Huo , Bart Van Assche , Adrian Hunter , Christoph Hellwig , Can Guo , Jaegeuk Kim , Gyunghoon Kwon , linux-samsung-soc@vger.kernel.org, linux-scsi@vger.kernel.org, Chanho Park , Kiwoong Kim Subject: [PATCH v3 14/17] scsi: ufs: ufs-exynos: support exynosauto v9 ufs driver Date: Fri, 17 Sep 2021 15:54:33 +0900 Message-Id: <20210917065436.145629-15-chanho61.park@samsung.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210917065436.145629-1-chanho61.park@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA02TfUwbZRzHfe5uR2F0O1qUx8aXeupwaFlLKDs2GBPIPNkSiSS6MGd3oRdK LG3XAzYUTbdJRykQDC9jZaID3VhFOysw2gjyZpCZCBFwyNwAx0RYGG+TCTqw5brIf5/f7/l+ 83t5nkeAiq7jEkGGLos16hgtiQdgzV3bo2S/7U5k5O7mUKp3ogGnxmqacWpqeQinOsYtGFU5 t4xSC44Lm6iB716kilwJ1I+ltQg14bChVO1wM0J9PfM3Qv3a+D1GVfW1IZT1WgtOXexZRfYS 9MDgftpmKsbpgZJihP6mPoyu+3YKoZ12C06X1rYD+r6jAKfnb49gdEmjHdCLzqfo0+1WJDkw VRujYRk1a5SyujS9OkOXHkvuT1ElqJRRcoVMEU3tJKU6JpONJRMPJMv2ZWg9I5HSHEab7Ukl MxxH7tgTY9RnZ7FSjZ7LiiVZg1prUCgM4RyTyWXr0sPT9Jm7FHJ5hNKjPKLVzI03YAZL6PGa NgdmAoPSQuAvgEQk7GpewApBgEBEtADYuvQZzgcLAN7r+wnwwSKAc/muTQ8tJ286fRY3gDeG K3yWeQAL60/iXhVOyGDj5PS6PZiYBXDiVrmfN0AJGwp7/ipDvCoxkQInZ83AyxjxPLTbuv28 LCT2wrrVqwhf72nYvWJBvezvyY+41wCvCYK9ZycwL6MezammapTXDwvgncEgnhPhsOuSr28x nO5p9ONZAhfvtq63DQkrgPm/r/kOvgDQcuIAz3Fw5UyjxyzwFNgOHe4dXoTEs7B7xFd2Cyzo euDHp4WwwCzijaGw/coZjOcnofXcoq8DGv48dMO30jIAa3vzkVIgtW2YxrZhGtv/hT8FqB08 xhq4zHSWizBEbrxjJ1h/5WF0C6iemQvvBIgAdAIoQMlgYX/ey4xIqGZy32WNepUxW8tynUDp 2fVHqOTRNL3nm+iyVAplRFSUPFpJKaMiKDJE+PFqPCMi0pks9h2WNbDGhz5E4C8xIZFJplvT Uvmr5eIv0dEtfUtS3Qt5f166Y1drkPHntr0eEu80y3LbfqheKpfkTJ69YkBrlg+PHourbdns GnKWHxLfDOnq+ld3IuZyR8tAQeCefFI0oJ663L6y7ZFzWxNwWccHbvnY/KIQT7qQFHC7gjtv ii82S4OxmLcaUqYri4s++Tyu6WDM2+IZ3F3VM7/voL/DUvV+fcnW+22tualleRdVb1TMl5sf D4y8yhxteCVo6sMHOU/cS1n+g/pn83vCl0aPza7usg9dE9b1u1NSC+JaHYeup/b7jxY1dUaf EuRKhtYS65j2r3aLx+z0zqNJR3pee/OXoARrxenzlVWHXc+4FGYdiXEaRhGGGjnmP894Q/Nu BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCIsWRmVeSWpSXmKPExsWy7bCSvO5ta5dEg4lrjSxOPlnDZvFg3jY2 i5c/r7JZHHzYyWIx7cNPZotP65exWlzer23Rs9PZ4vSERUwWT9bPYrZYdGMbk8XGtz+YLG5u OcpiMeP8PiaL7us72CyWH//H5CDgcfmKt8eshl42j8t9vUwem1doeSze85LJY9OqTjaPCYsO MHp8X9/B5vHx6S0Wj74tqxg9Pm+S82g/0M0UwBPFZZOSmpNZllqkb5fAlfHh4RqWgk71inn7 1rM0MF5R6GLk5JAQMJFoureJpYuRi0NIYAejxIrft1ghErISz97tYIewhSXutxxhhSh6zyjx Z9cBsCI2AV2JLc9fMYLYIgIfGSXmfNMCKWIWWMIs0XhgHhNIQlggUKJx6i4WEJtFQFVi1awj YFN5BRwkFv87xQSxQV7iyK9OZhCbEyh+a9d/sKFCAvYSEycvYoSoF5Q4OfMJ2BxmoPrmrbOZ JzAKzEKSmoUktYCRaRWjZGpBcW56brFhgVFearlecWJucWleul5yfu4mRnDEaWntYNyz6oPe IUYmDsZDjBIczEoivBdqHBOFeFMSK6tSi/Lji0pzUosPMUpzsCiJ817oOhkvJJCeWJKanZpa kFoEk2Xi4JRqYGoQ9So+JvJTOlmzUam96PWLXluW5Tsc+ZJeHT0feaK8caPd401ML9m//GAr UMuYY2R8aG6DmcZNy4sSl0IWL+zo90qY6DpF8Kmw/ofW7+cT8nlsbWtWPdDyCrv743ih/H31 f49z2T4xmu9LYlfgfnRGWDTc0vKhmuS95oU/Ulwm/r5XNKHYeUsmz5Nq159M8pzLrXwfcGyM 12s91THB4pe1Xd/x5rZYdndG95kTPwU53674Yv8oM/qdQIKMRMnWp8Hnvm407z3bs0Vw98Pb U9/cTN/jL3F556RP+1o/TLm2mWUfW+ikFK81d5tXz8iV0JES2PMgITh1Tv39GzO0jknpTdt4 58zFpuUpWoc5tZRYijMSDbWYi4oTAZ455K4nAwAA X-CMS-MailID: 20210917065523epcas2p47156d9fba5b8d8a5e5908ccdc0ae1655 X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210917065523epcas2p47156d9fba5b8d8a5e5908ccdc0ae1655 References: <20210917065436.145629-1-chanho61.park@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org This patch adds to support ufs variant for ExynosAuto v9 SoC. This requires control UFS IP sharability register via syscon and regmap. Regarding uic_attr, most of values can be shared with exynos7 except tx_dif_p_nsec value. Cc: Alim Akhtar Cc: Kiwoong Kim Cc: Krzysztof Kozlowski Signed-off-by: Chanho Park --- drivers/scsi/ufs/ufs-exynos.c | 96 +++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index 7fb4514f700d..28f027d45917 100644 --- a/drivers/scsi/ufs/ufs-exynos.c +++ b/drivers/scsi/ufs/ufs-exynos.c @@ -15,6 +15,7 @@ #include #include #include +#include #include "ufshcd.h" #include "ufshcd-pltfrm.h" @@ -76,6 +77,12 @@ UIC_TRANSPORT_NO_CONNECTION_RX |\ UIC_TRANSPORT_BAD_TC) +/* FSYS UFS Shareability */ +#define UFS_WR_SHARABLE BIT(2) +#define UFS_RD_SHARABLE BIT(1) +#define UFS_SHARABLE (UFS_WR_SHARABLE | UFS_RD_SHARABLE) +#define UFS_SHAREABILITY_OFFSET 0x710 + enum { UNIPRO_L1_5 = 0,/* PHY Adapter */ UNIPRO_L2, /* Data Link */ @@ -151,6 +158,79 @@ static int exynos7_ufs_drv_init(struct device *dev, struct exynos_ufs *ufs) return 0; } +static int exynosauto_ufs_drv_init(struct device *dev, struct exynos_ufs *ufs) +{ + struct exynos_ufs_uic_attr *attr = ufs->drv_data->uic_attr; + + /* IO Coherency setting */ + if (ufs->sysreg) { + return regmap_update_bits(ufs->sysreg, UFS_SHAREABILITY_OFFSET, + UFS_SHARABLE, UFS_SHARABLE); + } + + attr->tx_dif_p_nsec = 3200000; + + return 0; +} + +static int exynosauto_ufs_pre_link(struct exynos_ufs *ufs) +{ + struct ufs_hba *hba = ufs->hba; + int i; + + ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x40); + for_each_ufs_rx_lane(ufs, i) { + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x12, i), + DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate)); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x11, i), 0x0); + + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x1b, i), 0x2); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x1c, i), 0x8a); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x1d, i), 0xa3); + + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x1b, i), 0x2); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x1c, i), 0x8a); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x1d, i), 0xa3); + + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x2f, i), 0x79); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x84, i), 0x1); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x25, i), 0xf6); + } + + for_each_ufs_tx_lane(ufs, i) { + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0xaa, i), + DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate)); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0xa9, i), 0x02); + + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0xab, i), 0x8); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0xac, i), 0x22); + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0xad, i), 0x8); + + ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x04, i), 0x1); + } + + ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x0); + + ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0x0); + + ufshcd_dme_set(hba, UIC_ARG_MIB(0xa011), 0x8000); + + return 0; +} + +static int exynosauto_ufs_pre_pwr_change(struct exynos_ufs *ufs, + struct ufs_pa_layer_attr *pwr) +{ + struct ufs_hba *hba = ufs->hba; + + /* PACP_PWR_req and delivered to the remote DME */ + ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0), 12000); + ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1), 32000); + ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2), 16000); + + return 0; +} + static int exynos7_ufs_pre_link(struct exynos_ufs *ufs) { struct ufs_hba *hba = ufs->hba; @@ -1305,6 +1385,20 @@ static struct exynos_ufs_uic_attr exynos7_uic_attr = { .pa_dbg_option_suite = 0x30103, }; +static struct exynos_ufs_drv_data exynosauto_ufs_drvs = { + .uic_attr = &exynos7_uic_attr, + .quirks = UFSHCD_QUIRK_PRDT_BYTE_GRAN | + UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR | + UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR | + UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING, + .opts = EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL | + EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR | + EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX, + .drv_init = exynosauto_ufs_drv_init, + .pre_link = exynosauto_ufs_pre_link, + .pre_pwr_change = exynosauto_ufs_pre_pwr_change, +}; + static struct exynos_ufs_drv_data exynos_ufs_drvs = { .uic_attr = &exynos7_uic_attr, .quirks = UFSHCD_QUIRK_PRDT_BYTE_GRAN | @@ -1330,6 +1424,8 @@ static struct exynos_ufs_drv_data exynos_ufs_drvs = { static const struct of_device_id exynos_ufs_of_match[] = { { .compatible = "samsung,exynos7-ufs", .data = &exynos_ufs_drvs }, + { .compatible = "samsung,exynosautov9-ufs", + .data = &exynosauto_ufs_drvs }, {}, };