iommu/mediatek: mt8195: Enable multi banks for infra iommu

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@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-36-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index d3e8773b4c4756465bdecf5bf14f0e87622e3847..0fa1d5240ac69577930dabf9c1e078527727ca41 100644 (file)
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1456,8 +1456,11 @@ static const struct mtk_iommu_plat_data mt8195_data_infra = {
                            MTK_IOMMU_TYPE_INFRA | IFA_IOMMU_PCIE_SUPPORT,
        .pericfg_comp_str = "mediatek,mt8195-pericfg_ao",
        .inv_sel_reg      = REG_MMU_INV_SEL_GEN2,
-       .banks_num        = 1,
-       .banks_enable     = {true},
+       .banks_num        = 5,
+       .banks_enable     = {true, false, false, false, true},
+       .banks_portmsk    = {[0] = GENMASK(19, 16),     /* PCIe */
+                            [4] = GENMASK(31, 20),     /* USB */
+                           },
        .iova_region      = single_domain,
        .iova_region_nr   = ARRAY_SIZE(single_domain),
 };