diff options
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 7af47c59b10b..aa4972aed91e 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -139,6 +139,7 @@ /* 2 bits: iommu type */ #define MTK_IOMMU_TYPE_MM (0x0 << 13) #define MTK_IOMMU_TYPE_INFRA (0x1 << 13) +#define MTK_IOMMU_TYPE_APU (0x2 << 13) #define MTK_IOMMU_TYPE_MASK (0x3 << 13) /* PM and clock always on. e.g. infra iommu */ #define PM_CLK_AO BIT(15) @@ -173,6 +174,7 @@ enum mtk_iommu_plat { M4U_MT8183, M4U_MT8186, M4U_MT8188, + M4U_MT8189, M4U_MT8192, M4U_MT8195, M4U_MT8365, @@ -336,6 +338,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data, unsigned int ban */ #define MTK_IOMMU_4GB_MODE_REMAP_BASE 0x140000000UL +static LIST_HEAD(apulist); /* List the apu iommu HWs */ static LIST_HEAD(m4ulist); /* List all the M4U HWs */ #define for_each_m4u(data, head) list_for_each_entry(data, head, list) @@ -351,6 +354,15 @@ static const struct mtk_iommu_iova_region single_domain[] = { #define MT8192_MULTI_REGION_NR (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) ? \ MT8192_MULTI_REGION_NR_MAX : 1) +static const struct mtk_iommu_iova_region mt8189_multi_dom_apu[] = { + { .iova_base = 0x200000ULL, .size = SZ_512M}, /* APU SECURE */ +#if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) + { .iova_base = SZ_1G, .size = 0xc0000000}, /* APU CODE */ + { .iova_base = 0x70000000ULL, .size = 0x12600000}, /* APU VLM */ + { .iova_base = SZ_4G, .size = SZ_4G * 3}, /* APU VPU */ +#endif +}; + static const struct mtk_iommu_iova_region mt8192_multi_dom[MT8192_MULTI_REGION_NR] = { { .iova_base = 0x0, .size = MTK_IOMMU_IOVA_SZ_4G}, /* 0 ~ 4G, */ #if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) @@ -1725,6 +1737,27 @@ static const struct mtk_iommu_plat_data mt8188_data_vpp = { 27, 28 /* ccu0 */, MTK_INVALID_LARBID}, {4, 6}}, }; +static const unsigned int mt8189_apu_region_msk[][MTK_LARB_NR_MAX] = { + [0] = {[0] = BIT(2)}, /* Region0: fake larb 0 APU_SECURE */ + [1] = {[0] = BIT(1)}, /* Region1: fake larb 0 APU_CODE */ + [2] = {[0] = BIT(3)}, /* Region2: fake larb 0 APU_VLM */ + [3] = {[0] = BIT(0)}, /* Region3: fake larb 0 APU_DATA */ +}; + +static const struct mtk_iommu_plat_data mt8189_data_apu = { + .m4u_plat = M4U_MT8189, + .flags = IOVA_34_EN | DCM_DISABLE | + MTK_IOMMU_TYPE_APU | PGTABLE_PA_35_EN, + .hw_list = &apulist, + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .banks_num = 1, + .banks_enable = {true}, + .iova_region = mt8189_multi_dom_apu, + .iova_region_nr = ARRAY_SIZE(mt8189_multi_dom_apu), + .larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}}, + .iova_region_larb_msk = mt8189_apu_region_msk, +}; + static const struct mtk_iommu_plat_data mt8192_data = { .m4u_plat = M4U_MT8192, .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | @@ -1826,6 +1859,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = { { .compatible = "mediatek,mt8188-iommu-infra", .data = &mt8188_data_infra}, { .compatible = "mediatek,mt8188-iommu-vdo", .data = &mt8188_data_vdo}, { .compatible = "mediatek,mt8188-iommu-vpp", .data = &mt8188_data_vpp}, + { .compatible = "mediatek,mt8189-iommu-apu", .data = &mt8189_data_apu}, { .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}, |