linux-kernel - [PATCH 4/4] iommu/mediatek: mt8188: Enable secure bank for MM IOMMU

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Message-ID: <20230911011751.29906-5-yong.wu@mediatek.com>
Date:   Mon, 11 Sep 2023 09:17:51 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        "Matthias Brugger" <matthias.bgg@...il.com>
CC:     Robin Murphy <robin.murphy@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Yong Wu <yong.wu@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, <iommu@...ts.linux.dev>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <anan.sun@...iatek.com>,
        <yf.wang@...iatek.com>, <mingyuan.ma@...iatek.com>,
        "T . J . Mercier" <tjmercier@...gle.com>
Subject: [PATCH 4/4] iommu/mediatek: mt8188: Enable secure bank for MM IOMMU

Enable secure bank for MT8188 VDO IOMMU and VPP IOMMU to support
secure video path (SVP) feature. The last bank is the secure bank.

Signed-off-by: Yong Wu <yong.wu@...iatek.com>
---
 drivers/iommu/mtk_iommu.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 24d7f5138f7b..f17046157c79 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1667,11 +1667,11 @@ static const struct mtk_iommu_plat_data mt8188_data_vdo = {
 	.m4u_plat       = M4U_MT8188,
 	.flags          = HAS_BCLK | HAS_SUB_COMM_3BITS | OUT_ORDER_WR_EN |
 			  WR_THROT_EN | IOVA_34_EN | SHARE_PGTABLE |
-			  PGTABLE_PA_35_EN | MTK_IOMMU_TYPE_MM,
+			  PGTABLE_PA_35_EN | MTK_IOMMU_TYPE_MM | SECURE_BANK_ENABLE,
 	.hw_list        = &m4ulist,
 	.inv_sel_reg    = REG_MMU_INV_SEL_GEN2,
-	.banks_num      = 1,
-	.banks_enable   = {true},
+	.banks_num      = 5,
+	.banks_enable   = {true, false, false, false, true},
 	.iova_region    = mt8192_multi_dom,
 	.iova_region_nr = ARRAY_SIZE(mt8192_multi_dom),
 	.iova_region_larb_msk = mt8188_larb_region_msk,
@@ -1684,11 +1684,11 @@ static const struct mtk_iommu_plat_data mt8188_data_vpp = {
 	.m4u_plat       = M4U_MT8188,
 	.flags          = HAS_BCLK | HAS_SUB_COMM_3BITS | OUT_ORDER_WR_EN |
 			  WR_THROT_EN | IOVA_34_EN | SHARE_PGTABLE |
-			  PGTABLE_PA_35_EN | MTK_IOMMU_TYPE_MM,
+			  PGTABLE_PA_35_EN | MTK_IOMMU_TYPE_MM | SECURE_BANK_ENABLE,
 	.hw_list        = &m4ulist,
 	.inv_sel_reg    = REG_MMU_INV_SEL_GEN2,
-	.banks_num      = 1,
-	.banks_enable   = {true},
+	.banks_num      = 5,
+	.banks_enable   = {true, false, false, false, true},
 	.iova_region    = mt8192_multi_dom,
 	.iova_region_nr = ARRAY_SIZE(mt8192_multi_dom),
 	.iova_region_larb_msk = mt8188_larb_region_msk,
-- 
2.25.1