From patchwork Wed Nov 16 12:17:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 13045088 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73B29C43219 for ; Wed, 16 Nov 2022 12:21:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232779AbiKPMVL (ORCPT ); Wed, 16 Nov 2022 07:21:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238495AbiKPMUi (ORCPT ); Wed, 16 Nov 2022 07:20:38 -0500 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9B39E63 for ; Wed, 16 Nov 2022 04:18:25 -0800 (PST) Received: by mail-wr1-x42c.google.com with SMTP id w14so29603900wru.8 for ; Wed, 16 Nov 2022 04:18:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0720H8kB4HUgr4EFjiQxs7KXJ+uOQn0Rzyj9NCfE628=; b=fI22dHdKLv9JyW7/VgthqSLtKlqYizA4Msm4NhUsun1GO/pfzcdeMO3IsTw8hIDfct v7NFXmE3xiZFfLHBqFKEFo5Spfpd6nO8EOVLpIa4Fdf2ZnsAH2Z7hp73+WBVJZdCGC+Z cobWAtBp7/EVuAcZCHKzdqGy9SyIh40mWgDYXJel5vjz4KDE/0NmwAYK24CPNoayo6BD GXffwmGvL3HiQlMUS70BFwnYrTlPHh4YpcjxFL9STD7BLvZoXYDOLX3kdGG7qNOaizIC aJV2Y4gzUCVDafKYk85OhRNHDI7Xyz+EkEzHQhZPseI2H5FMaiteFs1zA3Ada2RZBvsO Mjjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0720H8kB4HUgr4EFjiQxs7KXJ+uOQn0Rzyj9NCfE628=; b=yE8MTQIaGAyHRMhEvN113drG1ociT4bzT9MOSn1fSBHCGivkxhhcrxooxEwlCCNtbi hItKtyKJaMFtN7+I8qKpmTXhb1CuiKiYlvIgHRogLsE2yDNL6XX7q+JzFDcLgdAlEdsw YrceL1azYBguMJeZuwtaglCJQTREVMcL5l2+W9rmRXxql1uPvHRf3oxij3qYSniEkQGE lE40RBO9bJ2seAvMs3V5CiU5nzWwYoQJcP/tV8JkbcZY4HmprQe/LtIxF1sCLeXDokOt jBBfAnLTjAC1tmR/1JlJfUgJLqhh4dfnHB4C4e25AZx8o+c/n+jym7PCUhfiU0xMzP5/ bmYA== X-Gm-Message-State: ANoB5pnIaPrA2861jQCjx9SJMPma+u8cyXEcFcH5yv8h/w9mDtPQA8De iMGUxnpHcDhYs1DDc+9tBqyhxTYFNy3YUw== X-Google-Smtp-Source: AA0mqf6Xjq77isX0OSA6cTSNyDOjZgzdFN26bNo8NgWlBcprOGnbw/lKgn9inpIsk0gJsTtBbGOLgA== X-Received: by 2002:adf:e812:0:b0:241:7277:990b with SMTP id o18-20020adfe812000000b002417277990bmr13853507wrm.672.1668601103912; Wed, 16 Nov 2022 04:18:23 -0800 (PST) Received: from localhost.localdomain ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id t14-20020a5d42ce000000b00241a8a5bc11sm1090359wrr.80.2022.11.16.04.18.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 04:18:23 -0800 (PST) From: Abel Vesa To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Alim Akhtar , "James E . J . Bottomley" , "Martin K . Petersen" , Avri Altman , Bart Van Assche , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski Cc: Linux Kernel Mailing List , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 1/2] ufs: host: ufs-qcom: Clear qunipro_g4_sel for HW version major 5 Date: Wed, 16 Nov 2022 14:17:31 +0200 Message-Id: <20221116121732.2731448-2-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221116121732.2731448-1-abel.vesa@linaro.org> References: <20221116121732.2731448-1-abel.vesa@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On SM8550, depending on the Qunipro, we can run with G5 or G4. For now, when the major version is 5 or above, we go with G5. Therefore, we need to specifically tell UFS HC that. Signed-off-by: Abel Vesa --- drivers/ufs/host/ufs-qcom.c | 4 ++++ drivers/ufs/host/ufs-qcom.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index ca60a5b0292b..72334aefe81c 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -227,6 +227,10 @@ static void ufs_qcom_select_unipro_mode(struct ufs_qcom_host *host) ufshcd_rmwl(host->hba, QUNIPRO_SEL, ufs_qcom_cap_qunipro(host) ? QUNIPRO_SEL : 0, REG_UFS_CFG1); + + if (host->hw_ver.major == 0x05) + ufshcd_rmwl(host->hba, QUNIPRO_G4_SEL, 0, REG_UFS_CFG0); + /* make sure above configuration is applied before we return */ mb(); } diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index 751ded3e3531..10621055bf7f 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -36,6 +36,7 @@ enum { /* On older UFS revisions, this register is called "RETRY_TIMER_REG" */ REG_UFS_PARAM0 = 0xD0, REG_UFS_PA_LINK_STARTUP_TIMER = 0xD8, + REG_UFS_CFG0 = 0xD8, REG_UFS_CFG1 = 0xDC, REG_UFS_CFG2 = 0xE0, REG_UFS_HW_VERSION = 0xE4, @@ -75,6 +76,7 @@ enum { /* bit definitions for REG_UFS_CFG1 register */ #define QUNIPRO_SEL BIT(0) +#define QUNIPRO_G4_SEL BIT(5) #define UFS_PHY_SOFT_RESET BIT(1) #define UTP_DBG_RAMS_EN BIT(17) #define TEST_BUS_EN BIT(18)