[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20210923115840.17813-34-yong.wu@mediatek.com>
Date: Thu, 23 Sep 2021 19:58:40 +0800
From: Yong Wu <yong.wu@...iatek.com>
To: Joerg Roedel <joro@...tes.org>, Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>
CC: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Tomasz Figa <tfiga@...omium.org>,
<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>,
Hsin-Yi Wang <hsinyi@...omium.org>, <yong.wu@...iatek.com>,
<youlin.pei@...iatek.com>, <anan.sun@...iatek.com>,
<chao.hao@...iatek.com>, <yen-chang.chen@...iatek.com>
Subject: [PATCH v3 33/33] iommu/mediatek: mt8195: Enable multi banks for infra iommu
Enable the multi-bank functions for infra-iommu. We put PCIE in bank0
and USB in the last bank(bank4). and we don't use the other banks
currently, disable them.
Signed-off-by: Yong Wu <yong.wu@...iatek.com>
---
drivers/iommu/mtk_iommu.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 3cb18ed28132..90be8ebbc98a 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1273,8 +1273,11 @@ static const struct mtk_iommu_plat_data mt8195_data_infra = {
.flags = WR_THROT_EN | DCM_DISABLE |
MTK_IOMMU_TYPE_INFRA | IFA_IOMMU_PCIe_SUPPORT,
.pericfg_comp_str = "mediatek,mt8195-pericfg_ao",
- .bank_nr = 1,
- .bank_enable = {true},
+ .bank_nr = 5,
+ .bank_enable = {true, false, false, false, true},
+ .bank_portmsk = {[0] = GENMASK(19, 16), /* PCIe */
+ [4] = GENMASK(31, 20), /* USB */
+ },
.inv_sel_reg = REG_MMU_INV_SEL_GEN2,
.iova_region = single_domain,
.iova_region_nr = ARRAY_SIZE(single_domain),
--
2.18.0
Powered by blists - more mailing lists