diff options
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index b2ae84046249..a1c1a3a8e0a7 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -34,7 +34,6 @@ #include <dt-bindings/memory/mtk-memory-port.h> #define REG_MMU_PT_BASE_ADDR 0x000 -#define MMU_PT_ADDR_MASK GENMASK(31, 7) #define REG_MMU_INVALIDATE 0x020 #define F_ALL_INVLD 0x2 @@ -138,6 +137,7 @@ /* PM and clock always on. e.g. infra iommu */ #define PM_CLK_AO BIT(15) #define IFA_IOMMU_PCIE_SUPPORT BIT(16) +#define PGTABLE_PA_35_EN BIT(17) #define MTK_IOMMU_HAS_FLAG_MASK(pdata, _x, mask) \ ((((pdata)->flags) & (mask)) == (_x)) @@ -596,6 +596,9 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom, .iommu_dev = data->dev, }; + if (MTK_IOMMU_HAS_FLAG(data->plat_data, PGTABLE_PA_35_EN)) + dom->cfg.quirks |= IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT; + if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_4GB_MODE)) dom->cfg.oas = data->enable_4GB ? 33 : 32; else @@ -684,8 +687,7 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain, goto err_unlock; } bank->m4u_dom = dom; - writel(dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK, - bank->base + REG_MMU_PT_BASE_ADDR); + writel(dom->cfg.arm_v7s_cfg.ttbr, bank->base + REG_MMU_PT_BASE_ADDR); pm_runtime_put(m4udev); } @@ -1374,8 +1376,7 @@ static int __maybe_unused mtk_iommu_runtime_resume(struct device *dev) writel_relaxed(reg->int_control[i], base + REG_MMU_INT_CONTROL0); writel_relaxed(reg->int_main_control[i], base + REG_MMU_INT_MAIN_CONTROL); writel_relaxed(reg->ivrp_paddr[i], base + REG_MMU_IVRP_PADDR); - writel(m4u_dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK, - base + REG_MMU_PT_BASE_ADDR); + writel(m4u_dom->cfg.arm_v7s_cfg.ttbr, base + REG_MMU_PT_BASE_ADDR); } while (++i < data->plat_data->banks_num); /* @@ -1409,7 +1410,7 @@ static const struct mtk_iommu_plat_data mt2712_data = { static const struct mtk_iommu_plat_data mt6779_data = { .m4u_plat = M4U_MT6779, .flags = HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | WR_THROT_EN | - MTK_IOMMU_TYPE_MM, + MTK_IOMMU_TYPE_MM | PGTABLE_PA_35_EN, .inv_sel_reg = REG_MMU_INV_SEL_GEN2, .banks_num = 1, .banks_enable = {true}, |