Commit 7597e3c5 authored by Yong Wu's avatar Yong Wu Committed by Joerg Roedel
Browse files

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: default avatarYong Wu <yong.wu@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-36-yong.wu@mediatek.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent d7127de1

drivers/iommu/mtk_iommu.c

+5 −2
Original line number Diff line number Diff line
@@ -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),

};