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[188.85.182.63]) by smtp.gmail.com with ESMTPSA id a3-20020adfe5c3000000b001e68a5e1c20sm10460233wrn.4.2022.02.28.04.20.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 28 Feb 2022 04:20:44 -0800 (PST) Message-ID: Date: Mon, 28 Feb 2022 13:20:42 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v2 2/2] iommu/mediatek: Add mt8186 iommu support Content-Language: en-US To: Yong Wu , Joerg Roedel , Rob Herring , Will Deacon Cc: Robin Murphy , Krzysztof Kozlowski , Tomasz Figa , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, Hsin-Yi Wang , youlin.pei@mediatek.com, anan.sun@mediatek.com, xueqi.zhang@mediatek.com, yen-chang.chen@mediatek.com, AngeloGioacchino Del Regno , mingyuan.ma@mediatek.com, yf.wang@mediatek.com, libo.kang@mediatek.com, chengci.xu@mediatek.com References: <20220223072402.17518-1-yong.wu@mediatek.com> <20220223072402.17518-3-yong.wu@mediatek.com> From: Matthias Brugger In-Reply-To: <20220223072402.17518-3-yong.wu@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23/02/2022 08:24, Yong Wu wrote: > Add mt8186 iommu supports. > > Signed-off-by: Anan Sun > Signed-off-by: Yong Wu Reviewed-by: Matthias Brugger > --- > drivers/iommu/mtk_iommu.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c > index d9ca9ffe404c..174a2f3bd68a 100644 > --- a/drivers/iommu/mtk_iommu.c > +++ b/drivers/iommu/mtk_iommu.c > @@ -160,6 +160,7 @@ enum mtk_iommu_plat { > M4U_MT8167, > M4U_MT8173, > M4U_MT8183, > + M4U_MT8186, > M4U_MT8192, > M4U_MT8195, > }; > @@ -1438,6 +1439,21 @@ static const struct mtk_iommu_plat_data mt8183_data = { > .larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}}, > }; > > +static const struct mtk_iommu_plat_data mt8186_data_mm = { > + .m4u_plat = M4U_MT8186, > + .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | > + WR_THROT_EN | IOVA_34_EN | NOT_STD_AXI_MODE | > + MTK_IOMMU_TYPE_MM, > + .larbid_remap = {{0}, {1, MTK_INVALID_LARBID, 8}, {4}, {7}, {2}, {9, 11, 19, 20}, > + {MTK_INVALID_LARBID, 14, 16}, > + {MTK_INVALID_LARBID, 13, MTK_INVALID_LARBID, 17}}, > + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, > + .banks_num = 1, > + .banks_enable = {true}, > + .iova_region = mt8192_multi_dom, > + .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), > +}; > + > static const struct mtk_iommu_plat_data mt8192_data = { > .m4u_plat = M4U_MT8192, > .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | > @@ -1507,6 +1523,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = { > { .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data}, > { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data}, > { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data}, > + { .compatible = "mediatek,mt8186-iommu-mm", .data = &mt8186_data_mm}, /* mm: m4u */ > { .compatible = "mediatek,mt8192-m4u", .data = &mt8192_data}, > { .compatible = "mediatek,mt8195-iommu-infra", .data = &mt8195_data_infra}, > { .compatible = "mediatek,mt8195-iommu-vdo", .data = &mt8195_data_vdo},