/* SPDX-License-Identifier: GPL-2.0-only */ /* * IOMMU API for ARM architected SMMU implementations. * * Copyright (C) 2013 ARM Limited * * Author: Will Deacon */ #ifndef _ARM_SMMU_REGS_H #define _ARM_SMMU_REGS_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 /* Auxiliary Configuration register */ #define ARM_SMMU_GR0_sACR 0x10 /* Identification registers */ #define ARM_SMMU_GR0_ID0 0x20 #define ARM_SMMU_GR0_ID1 0x24 #define ARM_SMMU_GR0_ID2 0x28 #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 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) /* 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 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 enum arm_smmu_s2cr_privcfg { S2CR_PRIVCFG_DEFAULT, S2CR_PRIVCFG_DIPAN, S2CR_PRIVCFG_UNPRIV, S2CR_PRIVCFG_PRIV, }; /* Context bank attribute registers */ #define ARM_SMMU_GR1_CBAR(n) (0x0 + ((n) << 2)) #define CBAR_VMID_SHIFT 0 #define CBAR_VMID_MASK 0xff #define CBAR_S1_BPSHCFG_SHIFT 8 #define CBAR_S1_BPSHCFG_MASK 3 #define CBAR_S1_BPSHCFG_NSH 3 #define CBAR_S1_MEMATTR_SHIFT 12 #define CBAR_S1_MEMATTR_MASK 0xf #define CBAR_S1_MEMATTR_WB 0xf #define CBAR_TYPE_SHIFT 16 #define CBAR_TYPE_MASK 0x3 #define CBAR_TYPE_S2_TRANS (0 << CBAR_TYPE_SHIFT) #define CBAR_TYPE_S1_TRANS_S2_BYPASS (1 << CBAR_TYPE_SHIFT) #define CBAR_TYPE_S1_TRANS_S2_FAULT (2 << CBAR_TYPE_SHIFT) #define CBAR_TYPE_S1_TRANS_S2_TRANS (3 << CBAR_TYPE_SHIFT) #define CBAR_IRPTNDX_SHIFT 24 #define CBAR_IRPTNDX_MASK 0xff #define ARM_SMMU_GR1_CBFRSYNRA(n) (0x400 + ((n) << 2)) #define ARM_SMMU_GR1_CBA2R(n) (0x800 + ((n) << 2)) #define CBA2R_RW64_32BIT (0 << 0) #define CBA2R_RW64_64BIT (1 << 0) #define CBA2R_VMID_SHIFT 16 #define CBA2R_VMID_MASK 0xffff #define ARM_SMMU_CB_SCTLR 0x0 #define ARM_SMMU_CB_ACTLR 0x4 #define ARM_SMMU_CB_RESUME 0x8 #define ARM_SMMU_CB_TTBCR2 0x10 #define ARM_SMMU_CB_TTBR0 0x20 #define ARM_SMMU_CB_TTBR1 0x28 #define ARM_SMMU_CB_TTBCR 0x30 #define ARM_SMMU_CB_CONTEXTIDR 0x34 #define ARM_SMMU_CB_S1_MAIR0 0x38 #define ARM_SMMU_CB_S1_MAIR1 0x3c #define ARM_SMMU_CB_PAR 0x50 #define ARM_SMMU_CB_FSR 0x58 #define ARM_SMMU_CB_FAR 0x60 #define ARM_SMMU_CB_FSYNR0 0x68 #define ARM_SMMU_CB_S1_TLBIVA 0x600 #define ARM_SMMU_CB_S1_TLBIASID 0x610 #define ARM_SMMU_CB_S1_TLBIVAL 0x620 #define ARM_SMMU_CB_S2_TLBIIPAS2 0x630 #define ARM_SMMU_CB_S2_TLBIIPAS2L 0x638 #define ARM_SMMU_CB_TLBSYNC 0x7f0 #define ARM_SMMU_CB_TLBSTATUS 0x7f4 #define ARM_SMMU_CB_ATS1PR 0x800 #define ARM_SMMU_CB_ATSR 0x8f0 #define SCTLR_S1_ASIDPNE (1 << 12) #define SCTLR_CFCFG (1 << 7) #define SCTLR_CFIE (1 << 6) #define SCTLR_CFRE (1 << 5) #define SCTLR_E (1 << 4) #define SCTLR_AFE (1 << 2) #define SCTLR_TRE (1 << 1) #define SCTLR_M (1 << 0) #define CB_PAR_F (1 << 0) #define ATSR_ACTIVE (1 << 0) #define RESUME_RETRY (0 << 0) #define RESUME_TERMINATE (1 << 0) #define TTBCR2_SEP_SHIFT 15 #define TTBCR2_SEP_UPSTREAM (0x7 << TTBCR2_SEP_SHIFT) #define TTBCR2_AS (1 << 4) #define TTBRn_ASID_SHIFT 48 #define FSR_MULTI (1 << 31) #define FSR_SS (1 << 30) #define FSR_UUT (1 << 8) #define FSR_ASF (1 << 7) #define FSR_TLBLKF (1 << 6) #define FSR_TLBMCF (1 << 5) #define FSR_EF (1 << 4) #define FSR_PF (1 << 3) #define FSR_AFF (1 << 2) #define FSR_TF (1 << 1) #define FSR_IGN (FSR_AFF | FSR_ASF | \ FSR_TLBMCF | FSR_TLBLKF) #define FSR_FAULT (FSR_MULTI | FSR_SS | FSR_UUT | \ FSR_EF | FSR_PF | FSR_TF | FSR_IGN) #define FSYNR0_WNR (1 << 4) #endif /* _ARM_SMMU_REGS_H */