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| author | Yong Wu <yong.wu@mediatek.com> | 2023-04-11 12:31:37 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-04-13 12:59:26 +0300 |
| commit | f5d4233ad373a1b0ab7c5d10f9b6e79619ecf194 (patch) | |
| tree | 2b204197a5bd214434883c190fa3099ee10dc2c4 /drivers/iommu | |
| parent | a43e767d4e1b913a22a80074a703bd29c644a41b (diff) | |
| download | linux-f5d4233ad373a1b0ab7c5d10f9b6e79619ecf194.tar.xz | |
iommu/mediatek: mt8186: Add iova_region_larb_msk
Add iova_region_larb_msk for mt8186. We separate the 16GB iova regions
by each device's larbid/portid.
Note: larb5/6/10/12/14/15/18 connect nothing in this SoC.
Refer to include/dt-bindings/memory/mt8186-memory-port.h
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230411093144.2690-8-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 35e64f65b164..c8e2840cda15 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1533,6 +1533,18 @@ static const struct mtk_iommu_plat_data mt8183_data = { .larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}}, }; +static const unsigned int mt8186_larb_region_msk[MT8192_MULTI_REGION_NR_MAX][MTK_LARB_NR_MAX] = { + [0] = {~0, ~0, ~0}, /* Region0: all ports for larb0/1/2 */ + [1] = {0, 0, 0, 0, ~0, 0, 0, ~0}, /* Region1: larb4/7 */ + [2] = {0, 0, 0, 0, 0, 0, 0, 0, /* Region2: larb8/9/11/13/16/17/19/20 */ + ~0, ~0, 0, ~0, 0, ~(u32)(BIT(9) | BIT(10)), 0, 0, + /* larb13: the other ports except port9/10 */ + ~0, ~0, 0, ~0, ~0}, + [3] = {0}, + [4] = {[13] = BIT(9) | BIT(10)}, /* larb13 port9/10 */ + [5] = {[14] = ~0}, /* larb14 */ +}; + static const struct mtk_iommu_plat_data mt8186_data_mm = { .m4u_plat = M4U_MT8186, .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | @@ -1545,6 +1557,7 @@ static const struct mtk_iommu_plat_data mt8186_data_mm = { .banks_enable = {true}, .iova_region = mt8192_multi_dom, .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), + .iova_region_larb_msk = mt8186_larb_region_msk, }; static const unsigned int mt8192_larb_region_msk[MT8192_MULTI_REGION_NR_MAX][MTK_LARB_NR_MAX] = { |