From nobody Mon Feb 9 16:33:02 2026 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D0CE324B30; Wed, 15 Oct 2025 12:57:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760533042; cv=none; b=WTDzhV/izKGjjdeU4qgPGWuQBDXEEGX9/0wIlKYbT9TY/QQ51jxfF2uD+VaijK+5UYjoUrVNYhzqVYKfhRZ6JSE6/H85iSMrG6tFuf7PrxCoqHNxdajqtWsL1gmMmvRERHIENrOy3oVNFapFHXdvd1/tpVr5FXr7s8iC9RqUlDs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760533042; c=relaxed/simple; bh=xGDesDCyrLlFlv3DcDZ/NFfXxtgECN0HQmmnl0+PEnw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LkLcAnEfUCg/SsCzbNU7GZuolFvMh0LmX3rcp6sz1oBllPLeD40GP3875sTuJ9Sneo6p6MqTUABy6Jum8WW5UrAUbiSUJLO5qo0TrQSx1pW0TvOgcnLm1KEN8qDX/PBqzoPdosNYOUfspvbZ+X3o5aqBEKlwNeUSj4S3hl9Ng68= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=JI7ksUjk; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="JI7ksUjk" X-UUID: 75acc394a9c611f0ae1e63ff8927bad3-20251015 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=BjfUYNj3WswiZt9xcQwzNJV/2Z+UoZGOWCChxRvgpB4=; b=JI7ksUjkHgVJmcHZ+601GfjMkCYrGKnklp/7KenLM2gVlGU4sYgJORWHZn0dkuQum4Tpcf4249JUWhnrZmjcR/D/e7HdtGYgOC1QFrJYVcTSmoie1KalKZTJvYDTeHxL21HauHF5xsfamTLHM1WB79ImId1ql+nAcnRbixG+PZA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.6,REQID:4543f674-27d1-4c68-822a-d55509bb6104,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:a9d874c,CLOUDID:90776b02-eaf8-4c8c-94de-0bc39887e077,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:-3,IP:nil,URL:0,File:130,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0, OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 75acc394a9c611f0ae1e63ff8927bad3-20251015 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1551417455; Wed, 15 Oct 2025 20:57:09 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Wed, 15 Oct 2025 20:57:07 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Wed, 15 Oct 2025 20:57:06 +0800 From: Zhengnan Chen To: Yong Wu , Joerg Roedel , "Will Deacon" , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Zhengnan Chen Subject: [PATCH v3 4/5] iommu/mediatek: mt8189: Add INFRA IOMMUs support Date: Wed, 15 Oct 2025 20:55:16 +0800 Message-ID: <20251015125532.9041-5-zhengnan.chen@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20251015125532.9041-1-zhengnan.chen@mediatek.com> References: <20251015125532.9041-1-zhengnan.chen@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add support for mt8189 INFRA IOMMUs. Signed-off-by: Zhengnan Chen Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Yong Wu --- drivers/iommu/mtk_iommu.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 999f7b858164..2eb62a073a58 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -339,6 +339,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_dat= a *data, unsigned int ban #define MTK_IOMMU_4GB_MODE_REMAP_BASE 0x140000000UL =20 static LIST_HEAD(apulist); /* List the apu iommu HWs */ +static LIST_HEAD(infralist); /* List the iommu_infra HW */ static LIST_HEAD(m4ulist); /* List all the M4U HWs */ =20 #define for_each_m4u(data, head) list_for_each_entry(data, head, list) @@ -1758,6 +1759,18 @@ static const struct mtk_iommu_plat_data mt8189_data_= apu =3D { .iova_region_larb_msk =3D mt8189_apu_region_msk, }; =20 +static const struct mtk_iommu_plat_data mt8189_data_infra =3D { + .m4u_plat =3D M4U_MT8189, + .flags =3D WR_THROT_EN | DCM_DISABLE | MTK_IOMMU_TYPE_INFRA | + CFG_IFA_MASTER_IN_ATF | SHARE_PGTABLE | PGTABLE_PA_35_EN, + .hw_list =3D &infralist, + .banks_num =3D 1, + .banks_enable =3D {true}, + .inv_sel_reg =3D REG_MMU_INV_SEL_GEN2, + .iova_region =3D single_domain, + .iova_region_nr =3D ARRAY_SIZE(single_domain), +}; + static const struct mtk_iommu_plat_data mt8192_data =3D { .m4u_plat =3D M4U_MT8192, .flags =3D HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | @@ -1860,6 +1873,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = =3D { { .compatible =3D "mediatek,mt8188-iommu-vdo", .data =3D &mt8188_data_v= do}, { .compatible =3D "mediatek,mt8188-iommu-vpp", .data =3D &mt8188_data_v= pp}, { .compatible =3D "mediatek,mt8189-iommu-apu", .data =3D &mt8189_data_a= pu}, + { .compatible =3D "mediatek,mt8189-iommu-infra", .data =3D &mt8189_data_i= nfra}, { .compatible =3D "mediatek,mt8192-m4u", .data =3D &mt8192_data}, { .compatible =3D "mediatek,mt8195-iommu-infra", .data =3D &mt8195_data_i= nfra}, { .compatible =3D "mediatek,mt8195-iommu-vdo", .data =3D &mt8195_data_v= do}, --=20 2.46.0