This patch adds two variables in the plat_data: bank_nr: the bank number that this SoC support; bank_enable: list if the banks is enabled.
This patch add them for all the current SoC, bank_nr always is 1 and only bank_enable[0] is enabled. it is preparing for supporting multi banks. Signed-off-by: Yong Wu <[email protected]> --- drivers/iommu/mtk_iommu.c | 18 ++++++++++++++++++ drivers/iommu/mtk_iommu.h | 3 +++ 2 files changed, 21 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index ed3cf75850ce..042489b8e402 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1116,6 +1116,8 @@ static const struct mtk_iommu_plat_data mt2712_data = { NOT_STD_AXI_MODE | MTK_IOMMU_TYPE_MM, .hw_list = &m4ulist, .inv_sel_reg = REG_MMU_INV_SEL_GEN1, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = single_domain, .iova_region_nr = ARRAY_SIZE(single_domain), .larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}}, @@ -1126,6 +1128,8 @@ static const struct mtk_iommu_plat_data mt6779_data = { .flags = HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | WR_THROT_EN | NOT_STD_AXI_MODE | MTK_IOMMU_TYPE_MM, .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = single_domain, .iova_region_nr = ARRAY_SIZE(single_domain), .larbid_remap = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}}, @@ -1136,6 +1140,8 @@ static const struct mtk_iommu_plat_data mt8167_data = { .flags = RESET_AXI | HAS_LEGACY_IVRP_PADDR | NOT_STD_AXI_MODE | MTK_IOMMU_TYPE_MM, .inv_sel_reg = REG_MMU_INV_SEL_GEN1, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = single_domain, .iova_region_nr = ARRAY_SIZE(single_domain), .larbid_remap = {{0}, {1}, {2}}, /* Linear mapping. */ @@ -1147,6 +1153,8 @@ static const struct mtk_iommu_plat_data mt8173_data = { HAS_LEGACY_IVRP_PADDR | NOT_STD_AXI_MODE | MTK_IOMMU_TYPE_MM, .inv_sel_reg = REG_MMU_INV_SEL_GEN1, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = single_domain, .iova_region_nr = ARRAY_SIZE(single_domain), .larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}}, /* Linear mapping. */ @@ -1156,6 +1164,8 @@ static const struct mtk_iommu_plat_data mt8183_data = { .m4u_plat = M4U_MT8183, .flags = RESET_AXI | MTK_IOMMU_TYPE_MM, .inv_sel_reg = REG_MMU_INV_SEL_GEN1, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = single_domain, .iova_region_nr = ARRAY_SIZE(single_domain), .larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}}, @@ -1167,6 +1177,8 @@ static const struct mtk_iommu_plat_data mt8192_data = { WR_THROT_EN | IOVA_34_EN | NOT_STD_AXI_MODE | MTK_IOMMU_TYPE_MM, .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = mt8192_multi_dom, .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), .larbid_remap = {{0}, {1}, {4, 5}, {7}, {2}, {9, 11, 19, 20}, @@ -1178,6 +1190,8 @@ static const struct mtk_iommu_plat_data mt8195_data_infra = { .flags = WR_THROT_EN | DCM_DISABLE | MTK_IOMMU_TYPE_INFRA | IFA_IOMMU_PCIe_SUPPORT, .pericfg_comp_str = "mediatek,mt8195-pericfg_ao", + .bank_nr = 1, + .bank_enable = {true}, .inv_sel_reg = REG_MMU_INV_SEL_GEN2, .iova_region = single_domain, .iova_region_nr = ARRAY_SIZE(single_domain), @@ -1190,6 +1204,8 @@ static const struct mtk_iommu_plat_data mt8195_data_vdo = { MTK_IOMMU_TYPE_MM, .hw_list = &m4ulist, .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = mt8192_multi_dom, .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), .larbid_remap = {{2, 0}, {21}, {24}, {7}, {19}, {9, 10, 11}, @@ -1203,6 +1219,8 @@ static const struct mtk_iommu_plat_data mt8195_data_vdp = { MTK_IOMMU_TYPE_MM, .hw_list = &m4ulist, .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .bank_nr = 1, + .bank_enable = {true}, .iova_region = mt8192_multi_dom, .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), .larbid_remap = {{1}, {3}, {22, 0, 0, 0, 23}, {8}, diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 7193278501dd..78d9481d67b5 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -62,6 +62,9 @@ struct mtk_iommu_plat_data { struct list_head *hw_list; unsigned int iova_region_nr; const struct mtk_iommu_iova_region *iova_region; + + u32 bank_nr; + bool bank_enable[MTK_IOMMU_BANK_MAX]; unsigned char larbid_remap[MTK_LARB_COM_MAX][MTK_LARB_SUBCOM_MAX]; }; -- 2.18.0 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
