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Message-ID: <1565423901-17008-14-git-send-email-yong.wu@mediatek.com>
Date: Sat, 10 Aug 2019 15:58:13 +0800
From: Yong Wu <yong.wu@...iatek.com>
To: Joerg Roedel <joro@...tes.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Robin Murphy <robin.murphy@....com>,
Will Deacon <will@...nel.org>
CC: Rob Herring <robh+dt@...nel.org>,
Evan Green <evgreen@...omium.org>,
Tomasz Figa <tfiga@...gle.com>,
<linux-mediatek@...ts.infradead.org>,
<srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<iommu@...ts.linux-foundation.org>, <yong.wu@...iatek.com>,
<youlin.pei@...iatek.com>, Nicolas Boichat <drinkcat@...omium.org>,
<anan.sun@...iatek.com>, Matthias Kaehlcke <mka@...omium.org>,
<cui.zhang@...iatek.com>, <chao.hao@...iatek.com>,
<ming-fan.chen@...iatek.com>
Subject: [PATCH v9 13/21] 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@...iatek.com>
Reviewed-by: Evan Green <evgreen@...omium.org>
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
---
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 fce7b6d..790bad8 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -540,7 +540,7 @@ 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].
@@ -739,6 +739,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev)
.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 8d3b525..973d6e0 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];
};
--
1.9.1
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