Commit 068c86e9 authored by Chao Hao's avatar Chao Hao Committed by Joerg Roedel
Browse files

iommu/mediatek: Add mt6779 basic support 



1. Start from mt6779, INVLDT_SEL move to offset=0x2c, so we add
   REG_MMU_INV_SEL_GEN2 definition and mt6779 uses it.
2. Add mt6779_data to support mm_iommu HW init.

Signed-off-by: default avatarChao Hao <chao.hao@mediatek.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Cc: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20200703044127.27438-11-chao.hao@mediatek.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 86444413

drivers/iommu/mtk_iommu.c

+9 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#define REG_MMU_INVLD_START_A			0x024

#define REG_MMU_INVLD_END_A			0x028



#define REG_MMU_INV_SEL_GEN2			0x02c

#define REG_MMU_INV_SEL_GEN1			0x038

#define F_INVLD_EN0				BIT(0)

#define F_INVLD_EN1				BIT(1)
@@ -808,6 +809,13 @@ static const struct mtk_iommu_plat_data mt2712_data = { 
	.larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}},

};



static const struct mtk_iommu_plat_data mt6779_data = {

	.m4u_plat      = M4U_MT6779,

	.flags         = HAS_SUB_COMM | OUT_ORDER_WR_EN | WR_THROT_EN,

	.inv_sel_reg   = REG_MMU_INV_SEL_GEN2,

	.larbid_remap  = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}},

};



static const struct mtk_iommu_plat_data mt8173_data = {

	.m4u_plat     = M4U_MT8173,

	.flags	      = HAS_4GB_MODE | HAS_BCLK | RESET_AXI,
@@ -824,6 +832,7 @@ static const struct mtk_iommu_plat_data mt8183_data = { 


static const struct of_device_id mtk_iommu_of_ids[] = {

	{ .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},

	{ .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},

	{ .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},

	{ .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},

	{}

drivers/iommu/mtk_iommu.h

+1 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ struct mtk_iommu_suspend_reg { 
enum mtk_iommu_plat {

	M4U_MT2701,

	M4U_MT2712,

	M4U_MT6779,

	M4U_MT8173,

	M4U_MT8183,

};

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