[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20220407075726.17771-35-yong.wu@mediatek.com>
Date: Thu, 7 Apr 2022 15:57:26 +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>
CC: Robin Murphy <robin.murphy@....com>,
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>,
<xueqi.zhang@...iatek.com>, <yen-chang.chen@...iatek.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@...labora.com>,
<mingyuan.ma@...iatek.com>, <yf.wang@...iatek.com>,
<libo.kang@...iatek.com>, <chengci.xu@...iatek.com>
Subject: [PATCH v6 34/34] 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>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.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 027bbbced80d..22c95ed78b3c 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1449,8 +1449,11 @@ static const struct mtk_iommu_plat_data mt8195_data_infra = {
MTK_IOMMU_TYPE_INFRA | IFA_IOMMU_PCIE_SUPPORT,
.pericfg_comp_str = "mediatek,mt8195-pericfg_ao",
.inv_sel_reg = REG_MMU_INV_SEL_GEN2,
- .banks_num = 1,
- .banks_enable = {true},
+ .banks_num = 5,
+ .banks_enable = {true, false, false, false, true},
+ .banks_portmsk = {[0] = GENMASK(19, 16), /* PCIe */
+ [4] = GENMASK(31, 20), /* USB */
+ },
.iova_region = single_domain,
.iova_region_nr = ARRAY_SIZE(single_domain),
};
--
2.18.0
Powered by blists - more mailing lists