diff mbox series

[v4,35/35] iommu/mediatek: mt8195: Enable multi banks for infra iommu

Message ID 20220125085634.17972-36-yong.wu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MT8195 IOMMU SUPPORT | expand

Commit Message

Yong Wu (吴勇) Jan. 25, 2022, 8:56 a.m. UTC 
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>
---
 drivers/iommu/mtk_iommu.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Comments

AngeloGioacchino Del Regno Jan. 27, 2022, 11:25 a.m. UTC | #1 
Il 25/01/22 09:56, Yong Wu ha scritto:
> 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>
diff mbox series

Patch

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index a17610434868..be36e73e4bcc 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1421,8 +1421,11 @@  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),
 };