diff options
| author | Fabien Parent <fparent@baylibre.com> | 2020-09-07 12:16:48 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-09-18 10:29:07 +0200 |
| commit | d1b5ef0054c6b7443f5e9d3e7c3b7879499b7f95 (patch) | |
| tree | 71f39e7063e08b291bd79f62a888005d9c4588ee /drivers | |
| parent | f7f842cc1fe8a9be1916aa0ff8a52f08389bf394 (diff) | |
iommu/mediatek: Add flag for legacy ivrp paddr
Add a new flag in order to select which IVRP_PADDR format is used
by an SoC.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20200907101649.1573134-2-fparent@baylibre.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 94f676659ed5..655afcb8b624 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -118,6 +118,7 @@ #define OUT_ORDER_WR_EN BIT(4) #define HAS_SUB_COMM BIT(5) #define WR_THROT_EN BIT(6) +#define HAS_LEGACY_IVRP_PADDR BIT(7) #define MTK_IOMMU_HAS_FLAG(pdata, _x) \ ((((pdata)->flags) & (_x)) == (_x)) @@ -584,7 +585,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) F_INT_PRETETCH_TRANSATION_FIFO_FAULT; writel_relaxed(regval, data->base + REG_MMU_INT_MAIN_CONTROL); - if (data->plat_data->m4u_plat == M4U_MT8173) + if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_LEGACY_IVRP_PADDR)) regval = (data->protect_base >> 1) | (data->enable_4GB << 31); else regval = lower_32_bits(data->protect_base) | @@ -841,7 +842,8 @@ static const struct mtk_iommu_plat_data mt6779_data = { static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, - .flags = HAS_4GB_MODE | HAS_BCLK | RESET_AXI, + .flags = HAS_4GB_MODE | HAS_BCLK | RESET_AXI | + HAS_LEGACY_IVRP_PADDR, .inv_sel_reg = REG_MMU_INV_SEL_GEN1, .larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}}, /* Linear mapping. */ }; |