From patchwork Tue Nov 10 11:20:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893991 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 1B88DC388F7 for ; Tue, 10 Nov 2020 11:22:35 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 7A97420780 for ; Tue, 10 Nov 2020 11:22:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MqhOiCH9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A97420780 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.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=ju+F9eOSF0rJRctM0M8YvWvAAmr2wWTTCc8VgoTfNk8=; b=MqhOiCH9xHXn4ziX4L+szPOvU MBlqI4cfNE4p6jegsQ+9elYjb9pRUJIdzo9MSCweztLk7WbZevYSLJAujMFzpmbv5xpOpHJj0wwBE coJakNnvUuyaqj/7EFEGM8sWMQQfvEopQdLsYkatEV3DSjgjIa/1VHFoRIZtsxDYW55ZfezWuBwvn ZZ213PEypTUUxv/JZcVv4yD35qL6myYHwb/Hhaab7WwH8DKnzLG5fmFqQ3AEmPaU/PNgwf1QhWTOt NdkgyJETo2MZweMFk2NVGXiKA9VWZinkPwvnJSB4kBVOGqNbWQlTQAEy331hAV1f5K9x+7dWpts+0 v8NPLEZhA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRi9-0003Pa-Lt; Tue, 10 Nov 2020 11:21:17 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRhz-0003Lq-RN for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:08 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 17FA380BA; Tue, 10 Nov 2020 11:21:10 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 5/9] bus: ti-sysc: Implement GPMC debug quirk to drop platform data Date: Tue, 10 Nov 2020 13:20:38 +0200 Message-Id: <20201110112042.65489-6-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062107_980933_92DB5C66 X-CRM114-Status: GOOD ( 13.04 ) 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: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We need to enable no-reset-on-init quirk for GPMC if the config option for CONFIG_OMAP_GPMC_DEBUG is set. Otherwise the GPMC driver code is unable to show the bootloader configured timings. Signed-off-by: Tony Lindgren --- drivers/bus/ti-sysc.c | 10 ++++++++++ include/linux/platform_data/ti-sysc.h | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1383,6 +1383,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK_CLKDM_NOAUTO), SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, SYSC_QUIRK_CLKDM_NOAUTO), + SYSC_QUIRK("gpmc", 0, 0, 0x10, 0x14, 0x00000060, 0xffffffff, + SYSC_QUIRK_GPMC_DEBUG), SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff, SYSC_QUIRK_OPT_CLKS_NEEDED), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff, @@ -1818,6 +1820,14 @@ static void sysc_init_module_quirks(struct sysc *ddata) return; } +#ifdef CONFIG_OMAP_GPMC_DEBUG + if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { + ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; + + return; + } +#endif + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; diff --git a/include/linux/platform_data/ti-sysc.h b/include/linux/platform_data/ti-sysc.h --- a/include/linux/platform_data/ti-sysc.h +++ b/include/linux/platform_data/ti-sysc.h @@ -50,6 +50,7 @@ struct sysc_regbits { s8 emufree_shift; }; +#define SYSC_QUIRK_GPMC_DEBUG BIT(26) #define SYSC_MODULE_QUIRK_ENA_RESETDONE BIT(25) #define SYSC_MODULE_QUIRK_PRUSS BIT(24) #define SYSC_MODULE_QUIRK_DSS_RESET BIT(23)