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From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
	"Matthias Brugger" <matthias.bgg@gmail.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Yong Wu <yong.wu@mediatek.com>,
	AngeloGioacchino Del Regno 
	<angelogioacchino.delregno@collabora.com>,
	<iommu@lists.linux.dev>, <linux-mediatek@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <anan.sun@mediatek.com>,
	<yf.wang@mediatek.com>, <mingyuan.ma@mediatek.com>,
	"T . J . Mercier" <tjmercier@google.com>
Subject: [PATCH 4/4] iommu/mediatek: mt8188: Enable secure bank for MM IOMMU
Date: Mon, 11 Sep 2023 09:17:51 +0800	[thread overview]
Message-ID: <20230911011751.29906-5-yong.wu@mediatek.com> (raw)
In-Reply-To: <20230911011751.29906-1-yong.wu@mediatek.com>

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@mediatek.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


      parent reply	other threads:[~2023-09-11  1:18 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-11  1:17 iommu/mediatek: Add SVP support for mt8188 Yong Wu
2023-09-11  1:17 ` [PATCH 1/4] iommu/mediatek: Initialise the secure bank Yong Wu
2023-09-11  9:22   ` AngeloGioacchino Del Regno
2023-09-25 12:50     ` Yong Wu (吴勇)
2023-09-25 18:01       ` Alexandre Mergnat
2023-09-26  2:45         ` Yong Wu (吴勇)
2023-09-11  1:17 ` [PATCH 2/4] iommu/mediatek: Add irq handle for " Yong Wu
2023-09-11  1:17 ` [PATCH 3/4] iommu/mediatek: Avoid access secure bank register in runtime_suspend Yong Wu
2023-09-11  1:17 ` Yong Wu [this message]

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