Received: by 2002:a05:6a10:2785:0:0:0:0 with SMTP id ia5csp2102661pxb; Mon, 11 Jan 2021 00:26:00 -0800 (PST) X-Google-Smtp-Source: ABdhPJwFa72kvc267s+Qi5fLMXJgvO543CXRRGPFhC+I1f+WDplbH+tqyVrk2cgJT3Kq0zGNkGIS X-Received: by 2002:a05:6402:1ac4:: with SMTP id ba4mr13184842edb.383.1610353560794; Mon, 11 Jan 2021 00:26:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1610353560; cv=none; d=google.com; s=arc-20160816; b=sRX4SOi0PMVVAop3AFYgLAXw2WNsyxeJu3UPjshd9vpuGS2Oczymfc4NxbcnL24N84 vx8u1/aijS7nA6g9Lo2KGK5BQebPGtQ9DevlZVQrdrbjU6YWjaYkxV+gP9WmwXKa3Bmi 737WCpTG7h+zC/Rw+nsQ1Wjxc/7GkC/lu+OQ6vIq3mTsaPq1+OOxXdSCxjlxVOnmy6e7 6kuSXWZqwfpTGaBFAof9D1m1vZZ3bsfbqPOpHtjFXYrvChQ/2EbOIDWuqxhqnkrfw1mM k+Cn6hu2umC4Y2uBDXfzO9HKDWGekC9gJ2EY/+x0fnPfexDFOwgc3RXW4INBP8barruC C+yw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=Xrb/D3i6SruyYFj7QytbStPBixbUgHaTDT5U+xxajek=; b=a37zR55PpgctoB+t4qVUsObMxBJgHxJS5/FlnEL40WIs1Ibc4sMXkVq4n4EB5662rO PZDJSK6Pqmk93JlMkgbx+8FWZD15m1airLab8r+G3427xoxsgmWQwwQvCk6NYssmr3ZD lWGhM2RwjDZbGyGUlrnMQ+iCGs+/Egg01w3YxTcYqTIoDJBDB0Lv4XgqVgO9CHrZrgGX Y2Uytz4QT2yIqJm9wmz1IEW8hmACqDMCrg3mgcT/Pp9oJvNYyGw9F8zzYu0fN4JRQJTZ 9cEd3eTQUqok9e92rs66Pd1d3Xqb+oGO/4K3hBSjjiCUAezsUcVAqei9b7UvwKu8iBHy pBXw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=MRJ0IUjL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d13si6855656edv.602.2021.01.11.00.25.36; Mon, 11 Jan 2021 00:26:00 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=MRJ0IUjL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727928AbhAKIXj (ORCPT + 99 others); Mon, 11 Jan 2021 03:23:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727477AbhAKIXj (ORCPT ); Mon, 11 Jan 2021 03:23:39 -0500 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1324EC061795; Mon, 11 Jan 2021 00:22:59 -0800 (PST) Received: by mail-pg1-x52a.google.com with SMTP id p18so12066170pgm.11; Mon, 11 Jan 2021 00:22:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Xrb/D3i6SruyYFj7QytbStPBixbUgHaTDT5U+xxajek=; b=MRJ0IUjLohdlGWduBbcmJ+1qxJt4zQzGCYnG2RWS/m4Qsk1czDsAM6hGMebHRMFDt+ 90VFyJ+TMV/sAM6evjzWjOR7W1KftqL+VCVEQ732Inttj08jMZ9jmouUumCt2+m/ff0W q5eleEWTtmtlkjb8m4nfAq9siRu21TnoBFWYOglRW7ShZLlPMUigIJC5a70m0UefZswF TJtrSdB/ck2nJJT/MOa+Nm6kaFFVwBqrmW0pCp/hEPywpvOMg6a7EFJxC8w4brF629Ts pg75L3XPycBa4Z1xqSHQ3HF/0h2M+Ovuq+ZYjDfsCya4VZn2GQt44daNjqOr9ZNFCWmu O+Tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Xrb/D3i6SruyYFj7QytbStPBixbUgHaTDT5U+xxajek=; b=L3/kUJhHN5qs2DqMLF/BDRiKnyyvnSIGtG7dMra98Pu38kSGNkvE6xaTdgrkMP+qYb kCIiQ9e1qGBubIcLXMTZIxDpVHDHdsc2gwh03qPriFQkmbWzz/bW7+vXjzcORx6TDNrQ E5YHndenEmbnQOsvvO3cbPudPb1jdMZp4Tv/2ziRnvvG6Y5kU3e+fbrJmOCiR4ZsBQIO 43UKApmIvnedIlhswfbbHaJUdpuhqh+pTVgjwPzKg9ea59m0o/TmUzjPysEV5judlAKN S0/vuLMwRGxfJvK2HGu1wVBjT+gj+TAb/9NHyWvqIzqr8mwfp4cEvtDvpVb9fQLCk7Yv mp2w== X-Gm-Message-State: AOAM531oKuH+66BpK5qBcoGiVyIbOn01Hb/+AGAAikLo7CxgvyaBvnKF RrT/m4Yv4Fg3iJ3k+sYukk0= X-Received: by 2002:a62:1a56:0:b029:19d:b6eb:291a with SMTP id a83-20020a621a560000b029019db6eb291amr15537377pfa.10.1610353378619; Mon, 11 Jan 2021 00:22:58 -0800 (PST) Received: from gli-System-Product-Name.genesyslogic.com.tw (60-251-58-169.HINET-IP.hinet.net. [60.251.58.169]) by smtp.gmail.com with ESMTPSA id h18sm18456264pfo.172.2021.01.11.00.22.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 00:22:58 -0800 (PST) From: Renius Chen To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, ben.chuang@genesyslogic.com.tw, greg.tu@genesyslogic.com.tw, Renius Chen Subject: [PATCH] mmc: sdhci-pci-gli: Finetune HS400 RX delay for GL9763E Date: Mon, 11 Jan 2021 16:22:49 +0800 Message-Id: <20210111082249.17092-1-reniuschengl@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To improve the compatibility of GL9763E with HS400 eMMC cards, finetune the RX delay of HS400 mode. Signed-off-by: Renius Chen --- drivers/mmc/host/sdhci-pci-gli.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c index 2d13bfcbcacf..14d9154f3af1 100644 --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -95,6 +95,10 @@ #define PCIE_GLI_9763E_MMC_CTRL 0x960 #define GLI_9763E_HS400_SLOW BIT(3) +#define PCIE_GLI_9763E_CLKRXDLY 0x934 +#define GLI_9763E_HS400_RXDLY GENMASK(31, 28) +#define GLI_9763E_HS400_RXDLY_5 0x5 + #define SDHCI_GLI_9763E_CQE_BASE_ADDR 0x200 #define GLI_9763E_CQE_TRNS_MODE (SDHCI_TRNS_MULTI | \ SDHCI_TRNS_BLK_CNT_EN | \ @@ -801,6 +805,11 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot) value |= FIELD_PREP(GLI_9763E_CFG2_L1DLY, GLI_9763E_CFG2_L1DLY_MAX); pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG2, value); + pci_read_config_dword(pdev, PCIE_GLI_9763E_CLKRXDLY, &value); + value &= ~GLI_9763E_HS400_RXDLY; + value |= FIELD_PREP(GLI_9763E_HS400_RXDLY, GLI_9763E_HS400_RXDLY_5); + pci_write_config_dword(pdev, PCIE_GLI_9763E_CLKRXDLY, value); + pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value); value &= ~GLI_9763E_VHS_REV; value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R); -- 2.27.0