diff mbox series

[07/24] iommu/mediatek: Add flag NON_STD_AXI

Message ID 20210630023504.18177-8-yong.wu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MT8195 IOMMU SUPPORT | expand

Commit Message

Yong Wu (吴勇) June 30, 2021, 2:34 a.m. UTC 
This patch add a new flag NON_STD_AXI, All the previous SoC support
this flag. this is a preparing patch for adding infra iommu and apu
iommu which don't support this flag.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
---
 drivers/iommu/mtk_iommu.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index a026e2ee4007..7fe9ebd879fe 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -124,6 +124,7 @@ 
 #define IOVA_34_EN			BIT(8)
 #define SHARE_PGTABLE			BIT(9) /* 2 HW share pgtable */
 #define DCM_DISABLE			BIT(10)
+#define NOT_STD_AXI_MODE		BIT(11)
 
 #define MTK_IOMMU_HAS_FLAG(pdata, _x) \
 		((((pdata)->flags) & (_x)) == (_x))
@@ -758,7 +759,8 @@  static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
 		regval = 0;
 	} else {
 		regval = readl_relaxed(data->base + REG_MMU_MISC_CTRL);
-		regval &= ~F_MMU_STANDARD_AXI_MODE_MASK;
+		if (MTK_IOMMU_HAS_FLAG(data->plat_data, NOT_STD_AXI_MODE))
+			regval &= ~F_MMU_STANDARD_AXI_MODE_MASK;
 		if (MTK_IOMMU_HAS_FLAG(data->plat_data, OUT_ORDER_WR_EN))
 			regval &= ~F_MMU_IN_ORDER_WR_EN_MASK;
 	}
@@ -1021,7 +1023,8 @@  static const struct dev_pm_ops mtk_iommu_pm_ops = {
 
 static const struct mtk_iommu_plat_data mt2712_data = {
 	.m4u_plat     = M4U_MT2712,
-	.flags        = HAS_4GB_MODE | HAS_BCLK | HAS_VLD_PA_RNG | SHARE_PGTABLE,
+	.flags        = HAS_4GB_MODE | HAS_BCLK | HAS_VLD_PA_RNG | SHARE_PGTABLE |
+			NOT_STD_AXI_MODE,
 	.hw_list      = &m4ulist,
 	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
 	.iova_region  = single_domain,
@@ -1031,7 +1034,8 @@  static const struct mtk_iommu_plat_data mt2712_data = {
 
 static const struct mtk_iommu_plat_data mt6779_data = {
 	.m4u_plat      = M4U_MT6779,
-	.flags         = HAS_SUB_COMM | OUT_ORDER_WR_EN | WR_THROT_EN,
+	.flags         = HAS_SUB_COMM | OUT_ORDER_WR_EN | WR_THROT_EN |
+			 NOT_STD_AXI_MODE,
 	.inv_sel_reg   = REG_MMU_INV_SEL_GEN2,
 	.iova_region   = single_domain,
 	.iova_region_nr = ARRAY_SIZE(single_domain),
@@ -1040,7 +1044,7 @@  static const struct mtk_iommu_plat_data mt6779_data = {
 
 static const struct mtk_iommu_plat_data mt8167_data = {
 	.m4u_plat     = M4U_MT8167,
-	.flags        = RESET_AXI | HAS_LEGACY_IVRP_PADDR,
+	.flags        = RESET_AXI | HAS_LEGACY_IVRP_PADDR | NOT_STD_AXI_MODE,
 	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
 	.iova_region  = single_domain,
 	.iova_region_nr = ARRAY_SIZE(single_domain),
@@ -1050,7 +1054,7 @@  static const struct mtk_iommu_plat_data mt8167_data = {
 static const struct mtk_iommu_plat_data mt8173_data = {
 	.m4u_plat     = M4U_MT8173,
 	.flags	      = HAS_4GB_MODE | HAS_BCLK | RESET_AXI |
-			HAS_LEGACY_IVRP_PADDR,
+			HAS_LEGACY_IVRP_PADDR | NOT_STD_AXI_MODE,
 	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
 	.iova_region  = single_domain,
 	.iova_region_nr = ARRAY_SIZE(single_domain),
@@ -1069,7 +1073,7 @@  static const struct mtk_iommu_plat_data mt8183_data = {
 static const struct mtk_iommu_plat_data mt8192_data = {
 	.m4u_plat       = M4U_MT8192,
 	.flags          = HAS_BCLK | HAS_SUB_COMM | OUT_ORDER_WR_EN |
-			  WR_THROT_EN | IOVA_34_EN,
+			  WR_THROT_EN | IOVA_34_EN | NOT_STD_AXI_MODE,
 	.inv_sel_reg    = REG_MMU_INV_SEL_GEN2,
 	.iova_region    = mt8192_multi_dom,
 	.iova_region_nr = ARRAY_SIZE(mt8192_multi_dom),