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Sat, 24 Aug 2019 11:05:37 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Will Deacon Subject: [PATCH v11 15/23] iommu/mediatek: Move vld_pa_rng into plat_data Date: Sat, 24 Aug 2019 11:02:00 +0800 Message-ID: <1566615728-26388-16-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1566615728-26388-1-git-send-email-yong.wu@mediatek.com> References: <1566615728-26388-1-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-20190823_200626_780557_E3F07580 X-CRM114-Status: GOOD ( 12.53 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 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 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , cui.zhang@mediatek.com, srv_heupstream@mediatek.com, chao.hao@mediatek.com, linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Matthias Kaehlcke , 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 Both mt8173 and mt8183 don't have this vld_pa_rng(valid physical address range) register while mt2712 have. Move it into the plat_data. Signed-off-by: Yong Wu Reviewed-by: Evan Green Reviewed-by: Matthias Brugger --- drivers/iommu/mtk_iommu.c | 3 ++- drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index b43f36a..eaf6a23 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -567,7 +567,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) upper_32_bits(data->protect_base); writel_relaxed(regval, data->base + REG_MMU_IVRP_PADDR); - if (data->enable_4GB && data->plat_data->m4u_plat != M4U_MT8173) { + if (data->enable_4GB && data->plat_data->has_vld_pa_rng) { /* * If 4GB mode is enabled, the validate PA range is from * 0x1_0000_0000 to 0x1_ffff_ffff. here record bit[32:30]. @@ -766,6 +766,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) .m4u_plat = M4U_MT2712, .has_4gb_mode = true, .has_bclk = true, + .has_vld_pa_rng = true, .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, }; diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 8d3b525..973d6e0 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -38,6 +38,7 @@ struct mtk_iommu_plat_data { /* HW will use the EMI clock if there isn't the "bclk". */ bool has_bclk; + bool has_vld_pa_rng; bool reset_axi; unsigned char larbid_remap[MTK_LARB_NR_MAX]; };