From patchwork Fri Nov 11 08:10:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 624075 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 9EC1FC4321E for ; Fri, 11 Nov 2022 08:10:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233157AbiKKIKp (ORCPT ); Fri, 11 Nov 2022 03:10:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233116AbiKKIKm (ORCPT ); Fri, 11 Nov 2022 03:10:42 -0500 Received: from mx.socionext.com (mx.socionext.com [202.248.49.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id EB75F729B9; Fri, 11 Nov 2022 00:10:41 -0800 (PST) Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 11 Nov 2022 17:10:40 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id 6228C2059027; Fri, 11 Nov 2022 17:10:40 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Fri, 11 Nov 2022 17:10:40 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id DE964B62AE; Fri, 11 Nov 2022 17:10:39 +0900 (JST) From: Kunihiko Hayashi To: Ulf Hansson , Adrian Hunter , Rob Herring , Krzysztof Kozlowski Cc: Jassi Brar , Ard Biesheuvel , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 5/6] mmc: f-sdh30: Add support for non-removable media Date: Fri, 11 Nov 2022 17:10:32 +0900 Message-Id: <20221111081033.3813-6-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221111081033.3813-1-hayashi.kunihiko@socionext.com> References: <20221111081033.3813-1-hayashi.kunihiko@socionext.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org To use F_SDH30 for non-removable meda like eMMC, need to enable FORCE_CARD_INSERT bit to skip the delay for detection. Signed-off-by: Kunihiko Hayashi Acked-by: Jassi Brar --- drivers/mmc/host/sdhci_f_sdh30.c | 7 +++++++ drivers/mmc/host/sdhci_f_sdh30.h | 3 +++ 2 files changed, 10 insertions(+) diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c index 556f4601643d..afbe17312cb6 100644 --- a/drivers/mmc/host/sdhci_f_sdh30.c +++ b/drivers/mmc/host/sdhci_f_sdh30.c @@ -77,6 +77,13 @@ static void sdhci_f_sdh30_reset(struct sdhci_host *host, u8 mask) ctl |= F_SDH30_CMD_DAT_DELAY; sdhci_writel(host, ctl, F_SDH30_ESD_CONTROL); } + + if ((host->mmc->caps & MMC_CAP_NONREMOVABLE) && + !(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT)) { + ctl = sdhci_readl(host, F_SDH30_TEST); + ctl |= F_SDH30_FORCE_CARD_INSERT; + sdhci_writel(host, ctl, F_SDH30_TEST); + } } static const struct sdhci_ops sdhci_f_sdh30_ops = { diff --git a/drivers/mmc/host/sdhci_f_sdh30.h b/drivers/mmc/host/sdhci_f_sdh30.h index fc1ad28f7ca9..7c3c66291d42 100644 --- a/drivers/mmc/host/sdhci_f_sdh30.h +++ b/drivers/mmc/host/sdhci_f_sdh30.h @@ -29,4 +29,7 @@ #define F_SDH30_CMD_DAT_DELAY BIT(9) #define F_SDH30_EMMC_HS200 BIT(24) +#define F_SDH30_TEST 0x158 +#define F_SDH30_FORCE_CARD_INSERT BIT(6) + #define F_SDH30_MIN_CLOCK 400000