From patchwork Mon Sep 3 06:01:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WW9uZyBXdSAo5ZC05YuHKQ==?= X-Patchwork-Id: 10585485 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 636B714BD for ; Mon, 3 Sep 2018 06:11:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D63128720 for ; Mon, 3 Sep 2018 06:11:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3FF9F295A7; Mon, 3 Sep 2018 06:11:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7132A28720 for ; Mon, 3 Sep 2018 06:11:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=M6LUP+61jp5hUPbh86DgG2n0KteFNtUZKKXn5B1rfMQ=; b=n2rI9FVtz50KCv SblI9L8l8noHKSPM+elepGg7qT3ITKII/3S9OedmFCG5Ct5zUq3LLQNJ1qjZiuPJbhadfPLBa5eGy dVOFqIkLoKA5nmHG78Yvff0rBbrEtlTXhQf/+j31PTVCn0I6gYMX3Ub9P4Vj6E4jwAuSOm09u3QNc hD3DV5o0wea+6aZLa2qlh2sTY3QQzw9ljRlyTY/lVOCCR9BSL5Ux/ez2bzGV43ok2rxldIycXCY5g jAxVlY0g7zrM2n4EvI1hemdGRksAxh/QrqLairxBmGr7mMK31FZm5BD5U3KAsSBOLcPu2kF3EUVhP qk9PHzcSPFv8rRq87BIw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fwi53-0001rh-Uc; Mon, 03 Sep 2018 06:11:21 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fwhyY-0004up-0N; Mon, 03 Sep 2018 06:04:40 +0000 X-UUID: eaed56214db54c8e917d5357102ac711-20180903 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1929627470; Mon, 03 Sep 2018 14:04:24 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs03n1.mediatek.inc (172.21.101.181) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Mon, 3 Sep 2018 14:04:22 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Mon, 3 Sep 2018 14:04:21 +0800 From: Yong Wu To: Joerg Roedel , Rob Herring , Matthias Brugger , Robin Murphy Subject: [PATCH 10/13] iommu/mediatek: Add VLD_PA_RANGE register backup when suspend Date: Mon, 3 Sep 2018 14:01:39 +0800 Message-ID: <1535954502-30646-11-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1535954502-30646-1-git-send-email-yong.wu@mediatek.com> References: <1535954502-30646-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180902_230438_243863_74F72D32 X-CRM114-Status: GOOD ( 11.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, arnd@arndb.de, srv_heupstream@mediatek.com, Will Deacon , linux-kernel@vger.kernel.org, Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, yingjoe.chen@mediatek.com, Daniel Kurtz , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The register VLD_PA_RNG(0x118) was forgot to backup while adding 4GB mode support for mt2712. this patch add it. Fixes: 30e2fccf9512 ("iommu/mediatek: Enlarge the validate PA range for 4GB mode") Signed-off-by: Yong Wu --- drivers/iommu/mtk_iommu.c | 2 ++ drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index e9665ad..2f907dd 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -733,6 +733,7 @@ static int __maybe_unused mtk_iommu_suspend(struct device *dev) reg->int_control0 = readl_relaxed(base + REG_MMU_INT_CONTROL0); reg->int_main_control = readl_relaxed(base + REG_MMU_INT_MAIN_CONTROL); reg->ivrp_paddr = readl_relaxed(base + REG_MMU_IVRP_PADDR); + reg->vld_pa_range = readl_relaxed(base + REG_MMU_VLD_PA_RNG); clk_disable_unprepare(data->bclk); return 0; } @@ -757,6 +758,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) writel_relaxed(reg->int_control0, base + REG_MMU_INT_CONTROL0); writel_relaxed(reg->int_main_control, base + REG_MMU_INT_MAIN_CONTROL); writel_relaxed(reg->ivrp_paddr, base + REG_MMU_IVRP_PADDR); + writel_relaxed(reg->vld_pa_range, base + REG_MMU_VLD_PA_RNG); if (m4u_dom) writel(m4u_dom->cfg.arm_v7s_cfg.ttbr[0] & MMU_PT_ADDR_MASK, base + REG_MMU_PT_BASE_ADDR); diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 8bf76be..1b423fe 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -33,6 +33,7 @@ struct mtk_iommu_suspend_reg { u32 int_control0; u32 int_main_control; u32 ivrp_paddr; + u32 vld_pa_range; }; enum mtk_iommu_plat {