[v5,11/20] iommu/mediatek: Move vld_pa_rng into plat_data
diff mbox series

Message ID 1546314952-15990-12-git-send-email-yong.wu@mediatek.com
State New
Headers show
Series
  • MT8183 IOMMU SUPPORT
Related show

Commit Message

Yong Wu Jan. 1, 2019, 3:55 a.m. UTC
Both mt8173 and mt8183 don't have this vld_pa_rng(valid physical address
range) register while mt2712 have. Move it into the plat_data.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
---
 drivers/iommu/mtk_iommu.c | 3 ++-
 drivers/iommu/mtk_iommu.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 8d8ab21..2913ddb 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -548,7 +548,7 @@  static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
 			 upper_32_bits(data->protect_base);
 	writel_relaxed(regval, data->base + REG_MMU_IVRP_PADDR);
 
-	if (data->enable_4GB && data->plat_data->m4u_plat != M4U_MT8173) {
+	if (data->enable_4GB && data->plat_data->vld_pa_rng) {
 		/*
 		 * If 4GB mode is enabled, the validate PA range is from
 		 * 0x1_0000_0000 to 0x1_ffff_ffff. here record bit[32:30].
@@ -741,6 +741,7 @@  static int __maybe_unused mtk_iommu_resume(struct device *dev)
 	.m4u_plat     = M4U_MT2712,
 	.has_4gb_mode = true,
 	.has_bclk     = true,
+	.vld_pa_rng   = true,
 	.larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
 };
 
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index b46aeaa..a8c5d1e 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -48,6 +48,7 @@  struct mtk_iommu_plat_data {
 	/* HW will use the EMI clock if there isn't the "bclk". */
 	bool                has_bclk;
 	bool                reset_axi;
+	bool                vld_pa_rng;
 	unsigned char       larbid_remap[MTK_LARB_NR_MAX];
 };