From: Yong Wu Date: Tue, 3 May 2022 07:14:26 +0000 (+0800) Subject: iommu/mediatek: mt8195: Enable multi banks for infra iommu X-Git-Tag: v5.19-rc1~90^2^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7597e3c5618d40986b23ddfd65d55d741536bf85;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Matthias Brugger Link: https://lore.kernel.org/r/20220503071427.2285-36-yong.wu@mediatek.com Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index d3e8773b4c475..0fa1d5240ac69 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1456,8 +1456,11 @@ 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), };