From patchwork Thu Sep 17 00:41:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 1365673 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=ogB+9CCC; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=GDRhtgrV; dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4BsJ8Z5fX9zB40Q for ; Thu, 17 Sep 2020 10:42:38 +1000 (AEST) 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:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id: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=59GkZwAYBAOupnCfEX4ttqtlXlSe54NCrYv/7FVHxW8=; b=ogB+9CCCjcouGgH8kmoh1nVkee BFFG/MfN9WGUWvjdWmHq1jAa7DtYVUpxYGl+RjAuOuk+Ll8fyCRJEDsHSIE2DIa4gqePy/UWuh9+j 4lZJ0Gotv0Tc+73OEV874hyFJx4DRbdsiww3K7HquprtNVrmkJnp+NzTZHthVJNr0yyMeu7xWgDbh qpWi0oq2arU/ATDgV/EBgxKduug2B9PCOI7M+RtTGdQl4DOE0eII73LOXG2za6pd9XWXcJBY/rBu0 sZCVqHiCG+OcwFH+mbAKx0pfBm4PccKDCvof2eNY3BbrvC+P4sbBdy3jz4Ozb49FUoqCJu/sPRQHQ /AtjwiDQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIi09-0002v4-Kv; Thu, 17 Sep 2020 00:42:17 +0000 Received: from mail-qt1-x841.google.com ([2607:f8b0:4864:20::841]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIi01-0002tG-9q for linux-arm-kernel@lists.infradead.org; Thu, 17 Sep 2020 00:42:10 +0000 Received: by mail-qt1-x841.google.com with SMTP id r8so482074qtp.13 for ; Wed, 16 Sep 2020 17:42:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=fz9aI5NGmMMpoy5AoDoOliWzsU28Um/0ANxxKGDypVY=; b=GDRhtgrVP4ZE2tgcFgVVQ4LUeaO5YpdJoEZP1kH4UR+BihxnFAnIio5lMnYwGXmgm4 4KaJJngQoFWOBU1XpmquFv7oKj9iWY5KipfCcDRcYMbP0wfXaLNsNCotP3BO5uIdfC8q DksvoRvB73Lq17A6V3GYCTwHLE5aF3veMtg47akYUuNi/FS80eNaafhUiwwlmVe+gW1S 5l1YsRDgqz2b1eaT4ZbGdnZaKBZotti4SYPEeGGq1749cFb63StXNygozfC7H4DZS+et J8n3HqV8fVcKBt1FFKFd81VIDdfqlVkmf7RYTtwXD6KwPPY6QaLlmFFH6xyIU0zzdi7i 72zw== 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:in-reply-to :references; bh=fz9aI5NGmMMpoy5AoDoOliWzsU28Um/0ANxxKGDypVY=; b=XordLxvtdqmQjZait2cTjfggNmjaNQsCl80HoSbyFAhg+5DOtm+6JQMq4LRfSjZOEa jWfdquFUI2hoYzea1iDacNHm0PiktSDwN1cc/uxxOyB/st+50O048PhNzX7wP7obcevq IH6MjuPPkwcy/TanNwmra3k9ZU3jBhMvGIRlREYRwf5zREPLC0shKImFpLamZ40ioTU3 ggWxRYBXIeKy4E6PpBl9OhYjkHazNpwwUehl/8zy0u29PeqZ2NrOP3+Mylp0wDBLlC3G mb63+ozhGYXh3EizcsfMGmUi/J1YK0UTUlGBSDF5typyTphBLtPoS7Kuc41I8gYsWj0Q 04jg== X-Gm-Message-State: AOAM530GxLrzl/Jn8kP5WNlnOZ2QZtQrN3Npn2wYKdCOCBP9xkUcvCZY j6UfKn6OqpinDmbwVKCFjsw= X-Google-Smtp-Source: ABdhPJwcSLq8Ssy+jUoHJgBvA8POHIiYcFbqpI8Dujf/GyyR9B4E1YLkLq5N/r+Z44PRA9NNhD4CwQ== X-Received: by 2002:ac8:4658:: with SMTP id f24mr25465446qto.158.1600303327580; Wed, 16 Sep 2020 17:42:07 -0700 (PDT) Received: from localhost.localdomain ([2804:14c:482:640::1000]) by smtp.gmail.com with ESMTPSA id w6sm20127893qti.63.2020.09.16.17.42.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Sep 2020 17:42:06 -0700 (PDT) From: Fabio Estevam To: shawnguo@kernel.org Subject: [PATCH v2 02/11] ARM: imx27: Retrieve the CCM base address from devicetree Date: Wed, 16 Sep 2020 21:41:16 -0300 Message-Id: <20200917004125.18487-3-festevam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200917004125.18487-1-festevam@gmail.com> References: <20200917004125.18487-1-festevam@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200916_204209_484669_E0E1A2BF X-CRM114-Status: GOOD ( 14.81 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:841 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [festevam[at]gmail.com] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 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: linux-arm-kernel@lists.infradead.org, Fabio Estevam , arnd@arndb.de, linux-imx@nxp.com, kernel@pengutronix.de MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org Now that imx27 has been converted to a devicetree-only platform, retrieve the CCM base address from devicetree. Signed-off-by: Fabio Estevam --- Chamges since v1: - None arch/arm/mach-imx/pm-imx27.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c index d943535566c8..020e6deb67c8 100644 --- a/arch/arm/mach-imx/pm-imx27.c +++ b/arch/arm/mach-imx/pm-imx27.c @@ -7,6 +7,7 @@ * modify it under the terms of the GNU General Public License. */ +#include #include #include #include @@ -15,13 +16,20 @@ static int mx27_suspend_enter(suspend_state_t state) { + void __iomem *ccm_base; + struct device_node *np; u32 cscr; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx27-ccm"); + ccm_base = of_iomap(np, 0); + BUG_ON(!ccm_base); + switch (state) { case PM_SUSPEND_MEM: /* Clear MPEN and SPEN to disable MPLL/SPLL */ - cscr = imx_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); + cscr = imx_readl(ccm_base); cscr &= 0xFFFFFFFC; - imx_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); + imx_writel(cscr, ccm_base); /* Executes WFI */ cpu_do_idle(); break;