iommu/mediatek: Add infra iommu support

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The infra iommu enable bits in mt8195 is in the pericfg register segment,
use regmap to update it.

If infra iommu master translation fault, It doesn't have the larbid/portid,
thus print out the whole register value.

Since regmap_update_bits may fail, add return value for mtk_iommu_config.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-22-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Yong Wu 2022-05-03 15:14:12 +08:00 • committed by Joerg Roedel

parent 6077c7e5d2

commit f9b8c9b219

2 changed files with 31 additions and 7 deletions

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36

drivers/iommu/mtk_iommu.c

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2

drivers/iommu/mtk_iommu.h

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