From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Robin Murphy <robin.murphy@arm.com>,
Rob Herring <robh+dt@kernel.org>
Cc: Evan Green <evgreen@chromium.org>, Tomasz Figa <tfiga@google.com>,
Will Deacon <will.deacon@arm.com>,
<linux-mediatek@lists.infradead.org>,
<srv_heupstream@mediatek.com>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<iommu@lists.linux-foundation.org>, <yingjoe.chen@mediatek.com>,
<yong.wu@mediatek.com>, <youlin.pei@mediatek.com>,
Nicolas Boichat <drinkcat@chromium.org>, <anan.sun@mediatek.com>,
Matthias Kaehlcke <mka@chromium.org>
Subject: [PATCH v8 10/21] iommu/mediatek: Refine protect memory definition
Date: Sat, 29 Jun 2019 10:39:44 +0800 [thread overview]
Message-ID: <1561775995-24963-11-git-send-email-yong.wu@mediatek.com> (raw)
The protect memory setting is a little different in the different SoCs.
In the register REG_MMU_CTRL_REG(0x110), the TF_PROT(translation fault
protect) shift bit is normally 4 while it shift 5 bits only in the
mt8173. This patch delete the complex MACRO and use a common if-else
instead.
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
---
drivers/iommu/mtk_iommu.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index a915c25..4f8a2cb 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -52,12 +52,9 @@
#define REG_MMU_DCM_DIS 0x050
#define REG_MMU_CTRL_REG 0x110
+#define F_MMU_TF_PROT_TO_PROGRAM_ADDR (2 << 4)
#define F_MMU_PREFETCH_RT_REPLACE_MOD BIT(4)
-#define F_MMU_TF_PROTECT_SEL_SHIFT(data) \
- ((data)->plat_data->m4u_plat == M4U_MT2712 ? 4 : 5)
-/* It's named by F_MMU_TF_PROT_SEL in mt2712. */
-#define F_MMU_TF_PROTECT_SEL(prot, data) \
- (((prot) & 0x3) << F_MMU_TF_PROTECT_SEL_SHIFT(data))
+#define F_MMU_TF_PROT_TO_PROGRAM_ADDR_MT8173 (2 << 5)
#define REG_MMU_IVRP_PADDR 0x114
@@ -537,9 +534,11 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
return ret;
}
- regval = F_MMU_TF_PROTECT_SEL(2, data);
if (data->plat_data->m4u_plat == M4U_MT8173)
- regval |= F_MMU_PREFETCH_RT_REPLACE_MOD;
+ regval = F_MMU_PREFETCH_RT_REPLACE_MOD |
+ F_MMU_TF_PROT_TO_PROGRAM_ADDR_MT8173;
+ else
+ regval = F_MMU_TF_PROT_TO_PROGRAM_ADDR;
writel_relaxed(regval, data->base + REG_MMU_CTRL_REG);
regval = F_L2_MULIT_HIT_EN |
--
1.9.1
next reply other threads:[~2019-06-29 2:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-29 2:39 Yong Wu [this message]
2019-06-29 2:39 ` [PATCH v8 11/21] iommu/mediatek: Move reset_axi into plat_data Yong Wu
2019-06-29 2:39 ` [PATCH v8 12/21] iommu/mediatek: Move vld_pa_rng " Yong Wu
2019-06-29 2:39 ` [PATCH v8 13/21] memory: mtk-smi: Add gals support Yong Wu
2019-06-29 2:39 ` [PATCH v8 14/21] iommu/mediatek: Add mt8183 IOMMU support Yong Wu
2019-06-29 2:39 ` [PATCH v8 15/21] iommu/mediatek: Add mmu1 support Yong Wu
2019-06-29 2:39 ` [PATCH v8 16/21] memory: mtk-smi: Invoke pm runtime_callback to enable clocks Yong Wu
2019-06-29 2:39 ` [PATCH v8 17/21] memory: mtk-smi: Add bus_sel for mt8183 Yong Wu
2019-06-29 2:39 ` [PATCH v8 18/21] iommu/mediatek: Fix VLD_PA_RNG register backup when suspend Yong Wu
2019-06-29 2:39 ` [PATCH v8 19/21] memory: mtk-smi: Get rid of need_larbid Yong Wu
2019-06-29 2:39 ` [PATCH v8 20/21] iommu/mediatek: Clean up struct mtk_smi_iommu Yong Wu
2019-06-29 2:39 ` [PATCH v8 21/21] iommu/mediatek: Switch to SPDX license identifier Yong Wu
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