diff options
Diffstat (limited to 'drivers/iommu/arm-smmu-regs.h')
| -rw-r--r-- | drivers/iommu/arm-smmu-regs.h | 126 |
1 files changed, 58 insertions, 68 deletions
diff --git a/drivers/iommu/arm-smmu-regs.h b/drivers/iommu/arm-smmu-regs.h index 1c278f7ae888..351ab09c7d4f 100644 --- a/drivers/iommu/arm-smmu-regs.h +++ b/drivers/iommu/arm-smmu-regs.h @@ -10,111 +10,101 @@ #ifndef _ARM_SMMU_REGS_H #define _ARM_SMMU_REGS_H +#include <linux/bits.h> + /* Configuration registers */ #define ARM_SMMU_GR0_sCR0 0x0 -#define sCR0_CLIENTPD (1 << 0) -#define sCR0_GFRE (1 << 1) -#define sCR0_GFIE (1 << 2) -#define sCR0_EXIDENABLE (1 << 3) -#define sCR0_GCFGFRE (1 << 4) -#define sCR0_GCFGFIE (1 << 5) -#define sCR0_USFCFG (1 << 10) -#define sCR0_VMIDPNE (1 << 11) -#define sCR0_PTM (1 << 12) -#define sCR0_FB (1 << 13) -#define sCR0_VMID16EN (1 << 31) -#define sCR0_BSU_SHIFT 14 -#define sCR0_BSU_MASK 0x3 +#define sCR0_VMID16EN BIT(31) +#define sCR0_BSU GENMASK(15, 14) +#define sCR0_FB BIT(13) +#define sCR0_PTM BIT(12) +#define sCR0_VMIDPNE BIT(11) +#define sCR0_USFCFG BIT(10) +#define sCR0_GCFGFIE BIT(5) +#define sCR0_GCFGFRE BIT(4) +#define sCR0_EXIDENABLE BIT(3) +#define sCR0_GFIE BIT(2) +#define sCR0_GFRE BIT(1) +#define sCR0_CLIENTPD BIT(0) /* Auxiliary Configuration register */ #define ARM_SMMU_GR0_sACR 0x10 /* Identification registers */ #define ARM_SMMU_GR0_ID0 0x20 +#define ID0_S1TS BIT(30) +#define ID0_S2TS BIT(29) +#define ID0_NTS BIT(28) +#define ID0_SMS BIT(27) +#define ID0_ATOSNS BIT(26) +#define ID0_PTFS_NO_AARCH32 BIT(25) +#define ID0_PTFS_NO_AARCH32S BIT(24) +#define ID0_NUMIRPT GENMASK(23, 16) +#define ID0_CTTW BIT(14) +#define ID0_NUMSIDB GENMASK(12, 9) +#define ID0_EXIDS BIT(8) +#define ID0_NUMSMRG GENMASK(7, 0) + #define ARM_SMMU_GR0_ID1 0x24 +#define ID1_PAGESIZE BIT(31) +#define ID1_NUMPAGENDXB GENMASK(30, 28) +#define ID1_NUMS2CB GENMASK(23, 16) +#define ID1_NUMCB GENMASK(7, 0) + #define ARM_SMMU_GR0_ID2 0x28 +#define ID2_VMID16 BIT(15) +#define ID2_PTFS_64K BIT(14) +#define ID2_PTFS_16K BIT(13) +#define ID2_PTFS_4K BIT(12) +#define ID2_UBS GENMASK(11, 8) +#define ID2_OAS GENMASK(7, 4) +#define ID2_IAS GENMASK(3, 0) + #define ARM_SMMU_GR0_ID3 0x2c #define ARM_SMMU_GR0_ID4 0x30 #define ARM_SMMU_GR0_ID5 0x34 #define ARM_SMMU_GR0_ID6 0x38 + #define ARM_SMMU_GR0_ID7 0x3c +#define ID7_MAJOR GENMASK(7, 4) +#define ID7_MINOR GENMASK(3, 0) + #define ARM_SMMU_GR0_sGFSR 0x48 #define ARM_SMMU_GR0_sGFSYNR0 0x50 #define ARM_SMMU_GR0_sGFSYNR1 0x54 #define ARM_SMMU_GR0_sGFSYNR2 0x58 -#define ID0_S1TS (1 << 30) -#define ID0_S2TS (1 << 29) -#define ID0_NTS (1 << 28) -#define ID0_SMS (1 << 27) -#define ID0_ATOSNS (1 << 26) -#define ID0_PTFS_NO_AARCH32 (1 << 25) -#define ID0_PTFS_NO_AARCH32S (1 << 24) -#define ID0_CTTW (1 << 14) -#define ID0_NUMIRPT_SHIFT 16 -#define ID0_NUMIRPT_MASK 0xff -#define ID0_NUMSIDB_SHIFT 9 -#define ID0_NUMSIDB_MASK 0xf -#define ID0_EXIDS (1 << 8) -#define ID0_NUMSMRG_SHIFT 0 -#define ID0_NUMSMRG_MASK 0xff - -#define ID1_PAGESIZE (1 << 31) -#define ID1_NUMPAGENDXB_SHIFT 28 -#define ID1_NUMPAGENDXB_MASK 7 -#define ID1_NUMS2CB_SHIFT 16 -#define ID1_NUMS2CB_MASK 0xff -#define ID1_NUMCB_SHIFT 0 -#define ID1_NUMCB_MASK 0xff - -#define ID2_OAS_SHIFT 4 -#define ID2_OAS_MASK 0xf -#define ID2_IAS_SHIFT 0 -#define ID2_IAS_MASK 0xf -#define ID2_UBS_SHIFT 8 -#define ID2_UBS_MASK 0xf -#define ID2_PTFS_4K (1 << 12) -#define ID2_PTFS_16K (1 << 13) -#define ID2_PTFS_64K (1 << 14) -#define ID2_VMID16 (1 << 15) - -#define ID7_MAJOR_SHIFT 4 -#define ID7_MAJOR_MASK 0xf - /* Global TLB invalidation */ #define ARM_SMMU_GR0_TLBIVMID 0x64 #define ARM_SMMU_GR0_TLBIALLNSNH 0x68 #define ARM_SMMU_GR0_TLBIALLH 0x6c #define ARM_SMMU_GR0_sTLBGSYNC 0x70 + #define ARM_SMMU_GR0_sTLBGSTATUS 0x74 -#define sTLBGSTATUS_GSACTIVE (1 << 0) +#define sTLBGSTATUS_GSACTIVE BIT(0) /* Stream mapping registers */ #define ARM_SMMU_GR0_SMR(n) (0x800 + ((n) << 2)) -#define SMR_VALID (1 << 31) -#define SMR_MASK_SHIFT 16 -#define SMR_ID_SHIFT 0 +#define SMR_VALID BIT(31) +#define SMR_MASK GENMASK(31, 16) +#define SMR_ID GENMASK(15, 0) #define ARM_SMMU_GR0_S2CR(n) (0xc00 + ((n) << 2)) -#define S2CR_CBNDX_SHIFT 0 -#define S2CR_CBNDX_MASK 0xff -#define S2CR_EXIDVALID (1 << 10) -#define S2CR_TYPE_SHIFT 16 -#define S2CR_TYPE_MASK 0x3 -enum arm_smmu_s2cr_type { - S2CR_TYPE_TRANS, - S2CR_TYPE_BYPASS, - S2CR_TYPE_FAULT, -}; - -#define S2CR_PRIVCFG_SHIFT 24 -#define S2CR_PRIVCFG_MASK 0x3 +#define S2CR_PRIVCFG GENMASK(25, 24) enum arm_smmu_s2cr_privcfg { S2CR_PRIVCFG_DEFAULT, S2CR_PRIVCFG_DIPAN, S2CR_PRIVCFG_UNPRIV, S2CR_PRIVCFG_PRIV, }; +#define S2CR_TYPE GENMASK(17, 16) +enum arm_smmu_s2cr_type { + S2CR_TYPE_TRANS, + S2CR_TYPE_BYPASS, + S2CR_TYPE_FAULT, +}; +#define S2CR_EXIDVALID BIT(10) +#define S2CR_CBNDX GENMASK(7, 0) /* Context bank attribute registers */ #define ARM_SMMU_GR1_CBAR(n) (0x0 + ((n) << 2)) |