Commit 5a708269 authored by Zhengnan Chen's avatar Zhengnan Chen Committed by Joerg Roedel
Browse files

iommu/mediatek: mt8189: Add MM IOMMUs support 



Add support for mt8189 MM IOMMUs.

Signed-off-by: default avatarZhengnan Chen <zhengnan.chen@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarYong Wu <yong.wu@mediatek.com>
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent f4b97d34

drivers/iommu/mtk_iommu.c

+28 −0
Original line number Diff line number Diff line
@@ -1771,6 +1771,33 @@ static const struct mtk_iommu_plat_data mt8189_data_infra = { 
	.iova_region_nr	= ARRAY_SIZE(single_domain),

};



static const u32 mt8189_larb_region_msk[MT8192_MULTI_REGION_NR_MAX][MTK_LARB_NR_MAX] = {

	[0] = {~0, ~0, ~0, [22] = BIT(0)},	/* Region0: all ports for larb0/1/2 */

	[1] = {[3] = ~0, [4] = ~0},		/* Region1: all ports for larb4(3)/7(4) */

	[2] = {[5] = ~0, [6] = ~0,		/* Region2: all ports for larb9(5)/11(6) */

	       [7] = ~0, [8] = ~0,		/* Region2: all ports for larb13(7)/14(8) */

	       [9] = ~0, [10] = ~0,		/* Region2: all ports for larb16(9)/17(10) */

	       [11] = ~0, [12] = ~0,		/* Region2: all ports for larb19(11)/20(12) */

	       [21] = ~0},			/* Region2: larb21 fake GCE larb */

};



static const struct mtk_iommu_plat_data mt8189_data_mm = {

	.m4u_plat	= M4U_MT8189,

	.flags		= HAS_BCLK | HAS_SUB_COMM_3BITS | OUT_ORDER_WR_EN |

			  WR_THROT_EN | IOVA_34_EN | MTK_IOMMU_TYPE_MM |

			  PGTABLE_PA_35_EN | DL_WITH_MULTI_LARB,

	.hw_list	= &m4ulist,

	.inv_sel_reg	= REG_MMU_INV_SEL_GEN2,

	.banks_num	= 5,

	.banks_enable	= {true, false, false, false, false},

	.iova_region	= mt8192_multi_dom,

	.iova_region_nr	= ARRAY_SIZE(mt8192_multi_dom),

	.iova_region_larb_msk = mt8189_larb_region_msk,

	.larbid_remap	= {{0}, {1}, {21/* GCE_D */, 21/* GCE_M */, 2},

			   {19, 20, 9, 11}, {7}, {4},

			   {13, 17}, {14, 16}},

};



static const struct mtk_iommu_plat_data mt8192_data = {

	.m4u_plat       = M4U_MT8192,

	.flags          = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN |
@@ -1874,6 +1901,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = { 
	{ .compatible = "mediatek,mt8188-iommu-vpp",   .data = &mt8188_data_vpp},

	{ .compatible = "mediatek,mt8189-iommu-apu",   .data = &mt8189_data_apu},

	{ .compatible = "mediatek,mt8189-iommu-infra", .data = &mt8189_data_infra},

	{ .compatible = "mediatek,mt8189-iommu-mm",    .data = &mt8189_data_mm},

	{ .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},