Add a new platform data member in order to select which IVRP_PADDR
format is used by an SoC.
Signed-off-by: Fabien Parent <fpar...@baylibre.com>
---
v2: new patch
---
drivers/iommu/mtk_iommu.c | 3 ++-
drivers/iommu/mtk_iommu.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 95945f467c03..78cb14ab7dd0 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -569,7 +569,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data
*data)
F_INT_PRETETCH_TRANSATION_FIFO_FAULT;
writel_relaxed(regval, data->base + REG_MMU_INT_MAIN_CONTROL);
- if (data->plat_data->m4u_plat == M4U_MT8173)
+ if (data->plat_data->has_legacy_ivrp_paddr)
regval = (data->protect_base >> 1) | (data->enable_4GB << 31);
else
regval = lower_32_bits(data->protect_base) |
@@ -786,6 +786,7 @@ static const struct mtk_iommu_plat_data mt8173_data = {
.m4u_plat = M4U_MT8173,
.has_4gb_mode = true,
.has_bclk = true,
+ .has_legacy_ivrp_paddr = true;
.reset_axi = true,
.larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */
};
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index ea949a324e33..4696ba027a71 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -42,6 +42,7 @@ struct mtk_iommu_plat_data {
bool has_bclk;
bool has_vld_pa_rng;
bool reset_axi;
+ bool has_legacy_ivrp_paddr;
unsigned char larbid_remap[MTK_LARB_NR_MAX];
};
--
2.25.0
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