2 * IOMMU API for ARM architected SMMU implementations.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 * Copyright (C) 2013 ARM Limited
19 * Author: Will Deacon <will.deacon@arm.com>
22 #ifndef _ARM_SMMU_REGS_H
23 #define _ARM_SMMU_REGS_H
25 /* Configuration registers */
26 #define ARM_SMMU_GR0_sCR0 0x0
27 #define sCR0_CLIENTPD (1 << 0)
28 #define sCR0_GFRE (1 << 1)
29 #define sCR0_GFIE (1 << 2)
30 #define sCR0_EXIDENABLE (1 << 3)
31 #define sCR0_GCFGFRE (1 << 4)
32 #define sCR0_GCFGFIE (1 << 5)
33 #define sCR0_USFCFG (1 << 10)
34 #define sCR0_VMIDPNE (1 << 11)
35 #define sCR0_PTM (1 << 12)
36 #define sCR0_FB (1 << 13)
37 #define sCR0_VMID16EN (1 << 31)
38 #define sCR0_BSU_SHIFT 14
39 #define sCR0_BSU_MASK 0x3
41 /* Auxiliary Configuration register */
42 #define ARM_SMMU_GR0_sACR 0x10
44 /* Identification registers */
45 #define ARM_SMMU_GR0_ID0 0x20
46 #define ARM_SMMU_GR0_ID1 0x24
47 #define ARM_SMMU_GR0_ID2 0x28
48 #define ARM_SMMU_GR0_ID3 0x2c
49 #define ARM_SMMU_GR0_ID4 0x30
50 #define ARM_SMMU_GR0_ID5 0x34
51 #define ARM_SMMU_GR0_ID6 0x38
52 #define ARM_SMMU_GR0_ID7 0x3c
53 #define ARM_SMMU_GR0_sGFSR 0x48
54 #define ARM_SMMU_GR0_sGFSYNR0 0x50
55 #define ARM_SMMU_GR0_sGFSYNR1 0x54
56 #define ARM_SMMU_GR0_sGFSYNR2 0x58
58 #define ID0_S1TS (1 << 30)
59 #define ID0_S2TS (1 << 29)
60 #define ID0_NTS (1 << 28)
61 #define ID0_SMS (1 << 27)
62 #define ID0_ATOSNS (1 << 26)
63 #define ID0_PTFS_NO_AARCH32 (1 << 25)
64 #define ID0_PTFS_NO_AARCH32S (1 << 24)
65 #define ID0_CTTW (1 << 14)
66 #define ID0_NUMIRPT_SHIFT 16
67 #define ID0_NUMIRPT_MASK 0xff
68 #define ID0_NUMSIDB_SHIFT 9
69 #define ID0_NUMSIDB_MASK 0xf
70 #define ID0_EXIDS (1 << 8)
71 #define ID0_NUMSMRG_SHIFT 0
72 #define ID0_NUMSMRG_MASK 0xff
74 #define ID1_PAGESIZE (1 << 31)
75 #define ID1_NUMPAGENDXB_SHIFT 28
76 #define ID1_NUMPAGENDXB_MASK 7
77 #define ID1_NUMS2CB_SHIFT 16
78 #define ID1_NUMS2CB_MASK 0xff
79 #define ID1_NUMCB_SHIFT 0
80 #define ID1_NUMCB_MASK 0xff
82 #define ID2_OAS_SHIFT 4
83 #define ID2_OAS_MASK 0xf
84 #define ID2_IAS_SHIFT 0
85 #define ID2_IAS_MASK 0xf
86 #define ID2_UBS_SHIFT 8
87 #define ID2_UBS_MASK 0xf
88 #define ID2_PTFS_4K (1 << 12)
89 #define ID2_PTFS_16K (1 << 13)
90 #define ID2_PTFS_64K (1 << 14)
91 #define ID2_VMID16 (1 << 15)
93 #define ID7_MAJOR_SHIFT 4
94 #define ID7_MAJOR_MASK 0xf
96 /* Global TLB invalidation */
97 #define ARM_SMMU_GR0_TLBIVMID 0x64
98 #define ARM_SMMU_GR0_TLBIALLNSNH 0x68
99 #define ARM_SMMU_GR0_TLBIALLH 0x6c
100 #define ARM_SMMU_GR0_sTLBGSYNC 0x70
101 #define ARM_SMMU_GR0_sTLBGSTATUS 0x74
102 #define sTLBGSTATUS_GSACTIVE (1 << 0)
104 /* Stream mapping registers */
105 #define ARM_SMMU_GR0_SMR(n) (0x800 + ((n) << 2))
106 #define SMR_VALID (1 << 31)
107 #define SMR_MASK_SHIFT 16
108 #define SMR_ID_SHIFT 0
110 #define ARM_SMMU_GR0_S2CR(n) (0xc00 + ((n) << 2))
111 #define S2CR_CBNDX_SHIFT 0
112 #define S2CR_CBNDX_MASK 0xff
113 #define S2CR_EXIDVALID (1 << 10)
114 #define S2CR_TYPE_SHIFT 16
115 #define S2CR_TYPE_MASK 0x3
116 enum arm_smmu_s2cr_type {
122 #define S2CR_PRIVCFG_SHIFT 24
123 #define S2CR_PRIVCFG_MASK 0x3
124 enum arm_smmu_s2cr_privcfg {
125 S2CR_PRIVCFG_DEFAULT,
131 /* Context bank attribute registers */
132 #define ARM_SMMU_GR1_CBAR(n) (0x0 + ((n) << 2))
133 #define CBAR_VMID_SHIFT 0
134 #define CBAR_VMID_MASK 0xff
135 #define CBAR_S1_BPSHCFG_SHIFT 8
136 #define CBAR_S1_BPSHCFG_MASK 3
137 #define CBAR_S1_BPSHCFG_NSH 3
138 #define CBAR_S1_MEMATTR_SHIFT 12
139 #define CBAR_S1_MEMATTR_MASK 0xf
140 #define CBAR_S1_MEMATTR_WB 0xf
141 #define CBAR_TYPE_SHIFT 16
142 #define CBAR_TYPE_MASK 0x3
143 #define CBAR_TYPE_S2_TRANS (0 << CBAR_TYPE_SHIFT)
144 #define CBAR_TYPE_S1_TRANS_S2_BYPASS (1 << CBAR_TYPE_SHIFT)
145 #define CBAR_TYPE_S1_TRANS_S2_FAULT (2 << CBAR_TYPE_SHIFT)
146 #define CBAR_TYPE_S1_TRANS_S2_TRANS (3 << CBAR_TYPE_SHIFT)
147 #define CBAR_IRPTNDX_SHIFT 24
148 #define CBAR_IRPTNDX_MASK 0xff
150 #define ARM_SMMU_GR1_CBA2R(n) (0x800 + ((n) << 2))
151 #define CBA2R_RW64_32BIT (0 << 0)
152 #define CBA2R_RW64_64BIT (1 << 0)
153 #define CBA2R_VMID_SHIFT 16
154 #define CBA2R_VMID_MASK 0xffff
156 #define ARM_SMMU_CB_SCTLR 0x0
157 #define ARM_SMMU_CB_ACTLR 0x4
158 #define ARM_SMMU_CB_RESUME 0x8
159 #define ARM_SMMU_CB_TTBCR2 0x10
160 #define ARM_SMMU_CB_TTBR0 0x20
161 #define ARM_SMMU_CB_TTBR1 0x28
162 #define ARM_SMMU_CB_TTBCR 0x30
163 #define ARM_SMMU_CB_CONTEXTIDR 0x34
164 #define ARM_SMMU_CB_S1_MAIR0 0x38
165 #define ARM_SMMU_CB_S1_MAIR1 0x3c
166 #define ARM_SMMU_CB_PAR 0x50
167 #define ARM_SMMU_CB_FSR 0x58
168 #define ARM_SMMU_CB_FAR 0x60
169 #define ARM_SMMU_CB_FSYNR0 0x68
170 #define ARM_SMMU_CB_S1_TLBIVA 0x600
171 #define ARM_SMMU_CB_S1_TLBIASID 0x610
172 #define ARM_SMMU_CB_S1_TLBIVAL 0x620
173 #define ARM_SMMU_CB_S2_TLBIIPAS2 0x630
174 #define ARM_SMMU_CB_S2_TLBIIPAS2L 0x638
175 #define ARM_SMMU_CB_TLBSYNC 0x7f0
176 #define ARM_SMMU_CB_TLBSTATUS 0x7f4
177 #define ARM_SMMU_CB_ATS1PR 0x800
178 #define ARM_SMMU_CB_ATSR 0x8f0
180 #define SCTLR_S1_ASIDPNE (1 << 12)
181 #define SCTLR_CFCFG (1 << 7)
182 #define SCTLR_CFIE (1 << 6)
183 #define SCTLR_CFRE (1 << 5)
184 #define SCTLR_E (1 << 4)
185 #define SCTLR_AFE (1 << 2)
186 #define SCTLR_TRE (1 << 1)
187 #define SCTLR_M (1 << 0)
189 #define CB_PAR_F (1 << 0)
191 #define ATSR_ACTIVE (1 << 0)
193 #define RESUME_RETRY (0 << 0)
194 #define RESUME_TERMINATE (1 << 0)
196 #define TTBCR2_SEP_SHIFT 15
197 #define TTBCR2_SEP_UPSTREAM (0x7 << TTBCR2_SEP_SHIFT)
198 #define TTBCR2_AS (1 << 4)
200 #define TTBRn_ASID_SHIFT 48
202 #define FSR_MULTI (1 << 31)
203 #define FSR_SS (1 << 30)
204 #define FSR_UUT (1 << 8)
205 #define FSR_ASF (1 << 7)
206 #define FSR_TLBLKF (1 << 6)
207 #define FSR_TLBMCF (1 << 5)
208 #define FSR_EF (1 << 4)
209 #define FSR_PF (1 << 3)
210 #define FSR_AFF (1 << 2)
211 #define FSR_TF (1 << 1)
213 #define FSR_IGN (FSR_AFF | FSR_ASF | \
214 FSR_TLBMCF | FSR_TLBLKF)
215 #define FSR_FAULT (FSR_MULTI | FSR_SS | FSR_UUT | \
216 FSR_EF | FSR_PF | FSR_TF | FSR_IGN)
218 #define FSYNR0_WNR (1 << 4)
220 #endif /* _ARM_SMMU_REGS_H */