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authorYong Wu <yong.wu@mediatek.com>2019-08-24 11:02:00 +0800
committerJoerg Roedel <jroedel@suse.de>2019-08-30 15:57:27 +0200
commit2b326d8b1d2b443c3dad96f54c6b279559f87751 (patch)
treed4266cd071a34f218584ca8bc9a7e108227cfbaf /drivers/iommu
parent50822b0b948fabfc8bcee9a89d031c276b135506 (diff)
downloadlinux-2b326d8b1d2b443c3dad96f54c6b279559f87751.tar.bz2
iommu/mediatek: Move vld_pa_rng into plat_data
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> Reviewed-by: Evan Green <evgreen@chromium.org> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/mtk_iommu.c3
-rw-r--r--drivers/iommu/mtk_iommu.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index b43f36aba0a1..eaf6a23f0248 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -567,7 +567,7 @@ 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->has_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].
@@ -766,6 +766,7 @@ static const struct mtk_iommu_plat_data mt2712_data = {
.m4u_plat = M4U_MT2712,
.has_4gb_mode = true,
.has_bclk = true,
+ .has_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 8d3b525b8752..973d6e077e43 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -38,6 +38,7 @@ struct mtk_iommu_plat_data {
/* HW will use the EMI clock if there isn't the "bclk". */
bool has_bclk;
+ bool has_vld_pa_rng;
bool reset_axi;
unsigned char larbid_remap[MTK_LARB_NR_MAX];
};