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Mon, 02 Mar 2020 03:22:19 -0800 (PST) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH v2 2/3] iommu/mediatek: add pdata member for legacy ivrp paddr Date: Mon, 2 Mar 2020 12:21:51 +0100 Message-Id: <20200302112152.2887131-2-fparent@baylibre.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200302112152.2887131-1-fparent@baylibre.com> References: <20200302112152.2887131-1-fparent@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_032221_850377_AE765517 X-CRM114-Status: GOOD ( 13.68 ) 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: matthias.bgg@gmail.com, ck.hu@mediatek.com, joro@8bytes.org, yong.wu@mediatek.com, Fabien Parent Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a new platform data member in order to select which IVRP_PADDR format is used by an SoC. Signed-off-by: Fabien Parent --- v2: new patch --- 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 95945f467c03..78cb14ab7dd0 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -569,7 +569,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) F_INT_PRETETCH_TRANSATION_FIFO_FAULT; writel_relaxed(regval, data->base + REG_MMU_INT_MAIN_CONTROL); - if (data->plat_data->m4u_plat == M4U_MT8173) + if (data->plat_data->has_legacy_ivrp_paddr) regval = (data->protect_base >> 1) | (data->enable_4GB << 31); else regval = lower_32_bits(data->protect_base) | @@ -786,6 +786,7 @@ static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .has_4gb_mode = true, .has_bclk = true, + .has_legacy_ivrp_paddr = true; .reset_axi = true, .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ }; diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index ea949a324e33..4696ba027a71 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -42,6 +42,7 @@ struct mtk_iommu_plat_data { bool has_bclk; bool has_vld_pa_rng; bool reset_axi; + bool has_legacy_ivrp_paddr; unsigned char larbid_remap[MTK_LARB_NR_MAX]; }; -- 2.25.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel