diff options
Diffstat (limited to 'drivers/iommu/ipmmu-vmsa.c')
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index d38ff29a76e8..ca752bdc710f 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -33,10 +33,10 @@ #define arm_iommu_detach_device(...) do {} while (0) #endif -#define IPMMU_CTX_MAX 8U +#define IPMMU_CTX_MAX 16U #define IPMMU_CTX_INVALID -1 -#define IPMMU_UTLB_MAX 48U +#define IPMMU_UTLB_MAX 64U struct ipmmu_features { bool use_ns_alias_offset; @@ -189,8 +189,12 @@ static void ipmmu_write(struct ipmmu_vmsa_device *mmu, unsigned int offset, static unsigned int ipmmu_ctx_reg(struct ipmmu_vmsa_device *mmu, unsigned int context_id, unsigned int reg) { - return mmu->features->ctx_offset_base + - context_id * mmu->features->ctx_offset_stride + reg; + unsigned int base = mmu->features->ctx_offset_base; + + if (context_id > 7) + base += 0x800 - 8 * 0x40; + + return base + context_id * mmu->features->ctx_offset_stride + reg; } static u32 ipmmu_ctx_read(struct ipmmu_vmsa_device *mmu, @@ -922,6 +926,20 @@ static const struct ipmmu_features ipmmu_features_rcar_gen3 = { .utlb_offset_base = 0, }; +static const struct ipmmu_features ipmmu_features_r8a779a0 = { + .use_ns_alias_offset = false, + .has_cache_leaf_nodes = true, + .number_of_contexts = 16, + .num_utlbs = 64, + .setup_imbuscr = false, + .twobit_imttbcr_sl0 = true, + .reserved_context = true, + .cache_snoop = false, + .ctx_offset_base = 0x10000, + .ctx_offset_stride = 0x1040, + .utlb_offset_base = 0x3000, +}; + static const struct of_device_id ipmmu_of_ids[] = { { .compatible = "renesas,ipmmu-vmsa", @@ -954,12 +972,18 @@ static const struct of_device_id ipmmu_of_ids[] = { .compatible = "renesas,ipmmu-r8a77970", .data = &ipmmu_features_rcar_gen3, }, { + .compatible = "renesas,ipmmu-r8a77980", + .data = &ipmmu_features_rcar_gen3, + }, { .compatible = "renesas,ipmmu-r8a77990", .data = &ipmmu_features_rcar_gen3, }, { .compatible = "renesas,ipmmu-r8a77995", .data = &ipmmu_features_rcar_gen3, }, { + .compatible = "renesas,ipmmu-r8a779a0", + .data = &ipmmu_features_r8a779a0, + }, { /* Terminator */ }, }; |