[PATCH v2 29/29] iommu/mediatek: mt8195: Enable multi banks for infra iommu
From: Yong Wu
Date: Fri Aug 13 2021 - 02:57:47 EST
Enable the multi-bank functions for infra-iommu. We put PCIE in bank0
and USB in the last bank(bank4). and we don't use the other banks
currently, disable them.
Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
---
drivers/iommu/mtk_iommu.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 3d474eedce3e..5c4905e70362 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1283,8 +1283,11 @@ 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},
+ .bank_nr = 5,
+ .bank_enable = {true, false, false, false, true},
+ .bank_portmsk = {[0] = GENMASK(19, 16), /* PCIe */
+ [4] = GENMASK(31, 20), /* USB */
+ },
.inv_sel_reg = REG_MMU_INV_SEL_GEN2,
.iova_region = single_domain,
.iova_region_nr = ARRAY_SIZE(single_domain),
--
2.18.0