1 /* 2 * Copyright (C) 2013, 2014 ARM Limited, All Rights Reserved. 3 * Author: Marc Zyngier <marc.zyngier@arm.com> 4 * 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 #ifndef __LINUX_IRQCHIP_ARM_GIC_V3_H 19 #define __LINUX_IRQCHIP_ARM_GIC_V3_H 20 21 /* 22 * Distributor registers. We assume we're running non-secure, with ARE 23 * being set. Secure-only and non-ARE registers are not described. 24 */ 25 #define GICD_CTLR 0x0000 26 #define GICD_TYPER 0x0004 27 #define GICD_IIDR 0x0008 28 #define GICD_STATUSR 0x0010 29 #define GICD_SETSPI_NSR 0x0040 30 #define GICD_CLRSPI_NSR 0x0048 31 #define GICD_SETSPI_SR 0x0050 32 #define GICD_CLRSPI_SR 0x0058 33 #define GICD_SEIR 0x0068 34 #define GICD_IGROUPR 0x0080 35 #define GICD_ISENABLER 0x0100 36 #define GICD_ICENABLER 0x0180 37 #define GICD_ISPENDR 0x0200 38 #define GICD_ICPENDR 0x0280 39 #define GICD_ISACTIVER 0x0300 40 #define GICD_ICACTIVER 0x0380 41 #define GICD_IPRIORITYR 0x0400 42 #define GICD_ICFGR 0x0C00 43 #define GICD_IGRPMODR 0x0D00 44 #define GICD_NSACR 0x0E00 45 #define GICD_IROUTER 0x6000 46 #define GICD_IDREGS 0xFFD0 47 #define GICD_PIDR2 0xFFE8 48 49 /* 50 * Those registers are actually from GICv2, but the spec demands that they 51 * are implemented as RES0 if ARE is 1 (which we do in KVM's emulated GICv3). 52 */ 53 #define GICD_ITARGETSR 0x0800 54 #define GICD_SGIR 0x0F00 55 #define GICD_CPENDSGIR 0x0F10 56 #define GICD_SPENDSGIR 0x0F20 57 58 #define GICD_CTLR_RWP (1U << 31) 59 #define GICD_CTLR_DS (1U << 6) 60 #define GICD_CTLR_ARE_NS (1U << 4) 61 #define GICD_CTLR_ENABLE_G1A (1U << 1) 62 #define GICD_CTLR_ENABLE_G1 (1U << 0) 63 64 /* 65 * In systems with a single security state (what we emulate in KVM) 66 * the meaning of the interrupt group enable bits is slightly different 67 */ 68 #define GICD_CTLR_ENABLE_SS_G1 (1U << 1) 69 #define GICD_CTLR_ENABLE_SS_G0 (1U << 0) 70 71 #define GICD_TYPER_LPIS (1U << 17) 72 #define GICD_TYPER_MBIS (1U << 16) 73 74 #define GICD_TYPER_ID_BITS(typer) ((((typer) >> 19) & 0x1f) + 1) 75 #define GICD_TYPER_IRQS(typer) ((((typer) & 0x1f) + 1) * 32) 76 77 #define GICD_IROUTER_SPI_MODE_ONE (0U << 31) 78 #define GICD_IROUTER_SPI_MODE_ANY (1U << 31) 79 80 #define GIC_PIDR2_ARCH_MASK 0xf0 81 #define GIC_PIDR2_ARCH_GICv3 0x30 82 #define GIC_PIDR2_ARCH_GICv4 0x40 83 84 #define GIC_V3_DIST_SIZE 0x10000 85 86 /* 87 * Re-Distributor registers, offsets from RD_base 88 */ 89 #define GICR_CTLR GICD_CTLR 90 #define GICR_IIDR 0x0004 91 #define GICR_TYPER 0x0008 92 #define GICR_STATUSR GICD_STATUSR 93 #define GICR_WAKER 0x0014 94 #define GICR_SETLPIR 0x0040 95 #define GICR_CLRLPIR 0x0048 96 #define GICR_SEIR GICD_SEIR 97 #define GICR_PROPBASER 0x0070 98 #define GICR_PENDBASER 0x0078 99 #define GICR_INVLPIR 0x00A0 100 #define GICR_INVALLR 0x00B0 101 #define GICR_SYNCR 0x00C0 102 #define GICR_MOVLPIR 0x0100 103 #define GICR_MOVALLR 0x0110 104 #define GICR_IDREGS GICD_IDREGS 105 #define GICR_PIDR2 GICD_PIDR2 106 107 #define GICR_CTLR_ENABLE_LPIS (1UL << 0) 108 109 #define GICR_TYPER_CPU_NUMBER(r) (((r) >> 8) & 0xffff) 110 111 #define GICR_WAKER_ProcessorSleep (1U << 1) 112 #define GICR_WAKER_ChildrenAsleep (1U << 2) 113 114 #define GIC_BASER_CACHE_nCnB 0ULL 115 #define GIC_BASER_CACHE_SameAsInner 0ULL 116 #define GIC_BASER_CACHE_nC 1ULL 117 #define GIC_BASER_CACHE_RaWt 2ULL 118 #define GIC_BASER_CACHE_RaWb 3ULL 119 #define GIC_BASER_CACHE_WaWt 4ULL 120 #define GIC_BASER_CACHE_WaWb 5ULL 121 #define GIC_BASER_CACHE_RaWaWt 6ULL 122 #define GIC_BASER_CACHE_RaWaWb 7ULL 123 #define GIC_BASER_CACHE_MASK 7ULL 124 #define GIC_BASER_NonShareable 0ULL 125 #define GIC_BASER_InnerShareable 1ULL 126 #define GIC_BASER_OuterShareable 2ULL 127 #define GIC_BASER_SHAREABILITY_MASK 3ULL 128 129 #define GIC_BASER_CACHEABILITY(reg, inner_outer, type) \ 130 (GIC_BASER_CACHE_##type << reg##_##inner_outer##_CACHEABILITY_SHIFT) 131 132 #define GIC_BASER_SHAREABILITY(reg, type) \ 133 (GIC_BASER_##type << reg##_SHAREABILITY_SHIFT) 134 135 #define GICR_PROPBASER_SHAREABILITY_SHIFT (10) 136 #define GICR_PROPBASER_INNER_CACHEABILITY_SHIFT (7) 137 #define GICR_PROPBASER_OUTER_CACHEABILITY_SHIFT (56) 138 #define GICR_PROPBASER_SHAREABILITY_MASK \ 139 GIC_BASER_SHAREABILITY(GICR_PROPBASER, SHAREABILITY_MASK) 140 #define GICR_PROPBASER_INNER_CACHEABILITY_MASK \ 141 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, MASK) 142 #define GICR_PROPBASER_OUTER_CACHEABILITY_MASK \ 143 GIC_BASER_CACHEABILITY(GICR_PROPBASER, OUTER, MASK) 144 #define GICR_PROPBASER_CACHEABILITY_MASK GICR_PROPBASER_INNER_CACHEABILITY_MASK 145 146 #define GICR_PROPBASER_InnerShareable \ 147 GIC_BASER_SHAREABILITY(GICR_PROPBASER, InnerShareable) 148 149 #define GICR_PROPBASER_nCnB GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, nCnB) 150 #define GICR_PROPBASER_nC GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, nC) 151 #define GICR_PROPBASER_RaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWt) 152 #define GICR_PROPBASER_RaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWt) 153 #define GICR_PROPBASER_WaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WaWt) 154 #define GICR_PROPBASER_WaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WaWb) 155 #define GICR_PROPBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWaWt) 156 #define GICR_PROPBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWaWb) 157 158 #define GICR_PROPBASER_IDBITS_MASK (0x1f) 159 160 #define GICR_PENDBASER_SHAREABILITY_SHIFT (10) 161 #define GICR_PENDBASER_INNER_CACHEABILITY_SHIFT (7) 162 #define GICR_PENDBASER_OUTER_CACHEABILITY_SHIFT (56) 163 #define GICR_PENDBASER_SHAREABILITY_MASK \ 164 GIC_BASER_SHAREABILITY(GICR_PENDBASER, SHAREABILITY_MASK) 165 #define GICR_PENDBASER_INNER_CACHEABILITY_MASK \ 166 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, MASK) 167 #define GICR_PENDBASER_OUTER_CACHEABILITY_MASK \ 168 GIC_BASER_CACHEABILITY(GICR_PENDBASER, OUTER, MASK) 169 #define GICR_PENDBASER_CACHEABILITY_MASK GICR_PENDBASER_INNER_CACHEABILITY_MASK 170 171 #define GICR_PENDBASER_InnerShareable \ 172 GIC_BASER_SHAREABILITY(GICR_PENDBASER, InnerShareable) 173 174 #define GICR_PENDBASER_nCnB GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, nCnB) 175 #define GICR_PENDBASER_nC GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, nC) 176 #define GICR_PENDBASER_RaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWt) 177 #define GICR_PENDBASER_RaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWt) 178 #define GICR_PENDBASER_WaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WaWt) 179 #define GICR_PENDBASER_WaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WaWb) 180 #define GICR_PENDBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWaWt) 181 #define GICR_PENDBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWaWb) 182 183 #define GICR_PENDBASER_PTZ BIT_ULL(62) 184 185 /* 186 * Re-Distributor registers, offsets from SGI_base 187 */ 188 #define GICR_IGROUPR0 GICD_IGROUPR 189 #define GICR_ISENABLER0 GICD_ISENABLER 190 #define GICR_ICENABLER0 GICD_ICENABLER 191 #define GICR_ISPENDR0 GICD_ISPENDR 192 #define GICR_ICPENDR0 GICD_ICPENDR 193 #define GICR_ISACTIVER0 GICD_ISACTIVER 194 #define GICR_ICACTIVER0 GICD_ICACTIVER 195 #define GICR_IPRIORITYR0 GICD_IPRIORITYR 196 #define GICR_ICFGR0 GICD_ICFGR 197 #define GICR_IGRPMODR0 GICD_IGRPMODR 198 #define GICR_NSACR GICD_NSACR 199 200 #define GICR_TYPER_PLPIS (1U << 0) 201 #define GICR_TYPER_VLPIS (1U << 1) 202 #define GICR_TYPER_LAST (1U << 4) 203 204 #define GIC_V3_REDIST_SIZE 0x20000 205 206 #define LPI_PROP_GROUP1 (1 << 1) 207 #define LPI_PROP_ENABLED (1 << 0) 208 209 /* 210 * ITS registers, offsets from ITS_base 211 */ 212 #define GITS_CTLR 0x0000 213 #define GITS_IIDR 0x0004 214 #define GITS_TYPER 0x0008 215 #define GITS_CBASER 0x0080 216 #define GITS_CWRITER 0x0088 217 #define GITS_CREADR 0x0090 218 #define GITS_BASER 0x0100 219 #define GITS_IDREGS_BASE 0xffd0 220 #define GITS_PIDR0 0xffe0 221 #define GITS_PIDR1 0xffe4 222 #define GITS_PIDR2 GICR_PIDR2 223 #define GITS_PIDR4 0xffd0 224 #define GITS_CIDR0 0xfff0 225 #define GITS_CIDR1 0xfff4 226 #define GITS_CIDR2 0xfff8 227 #define GITS_CIDR3 0xfffc 228 229 #define GITS_TRANSLATER 0x10040 230 231 #define GITS_CTLR_ENABLE (1U << 0) 232 #define GITS_CTLR_QUIESCENT (1U << 31) 233 234 #define GITS_TYPER_PLPIS (1UL << 0) 235 #define GITS_TYPER_IDBITS_SHIFT 8 236 #define GITS_TYPER_DEVBITS_SHIFT 13 237 #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) 238 #define GITS_TYPER_PTA (1UL << 19) 239 #define GITS_TYPER_HWCOLLCNT_SHIFT 24 240 241 #define GITS_CBASER_VALID (1ULL << 63) 242 #define GITS_CBASER_SHAREABILITY_SHIFT (10) 243 #define GITS_CBASER_INNER_CACHEABILITY_SHIFT (59) 244 #define GITS_CBASER_OUTER_CACHEABILITY_SHIFT (53) 245 #define GITS_CBASER_SHAREABILITY_MASK \ 246 GIC_BASER_SHAREABILITY(GITS_CBASER, SHAREABILITY_MASK) 247 #define GITS_CBASER_INNER_CACHEABILITY_MASK \ 248 GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, MASK) 249 #define GITS_CBASER_OUTER_CACHEABILITY_MASK \ 250 GIC_BASER_CACHEABILITY(GITS_CBASER, OUTER, MASK) 251 #define GITS_CBASER_CACHEABILITY_MASK GITS_CBASER_INNER_CACHEABILITY_MASK 252 253 #define GITS_CBASER_InnerShareable \ 254 GIC_BASER_SHAREABILITY(GITS_CBASER, InnerShareable) 255 256 #define GITS_CBASER_nCnB GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, nCnB) 257 #define GITS_CBASER_nC GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, nC) 258 #define GITS_CBASER_RaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWt) 259 #define GITS_CBASER_RaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWt) 260 #define GITS_CBASER_WaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, WaWt) 261 #define GITS_CBASER_WaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, WaWb) 262 #define GITS_CBASER_RaWaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWaWt) 263 #define GITS_CBASER_RaWaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWaWb) 264 265 #define GITS_BASER_NR_REGS 8 266 267 #define GITS_BASER_VALID (1ULL << 63) 268 #define GITS_BASER_INDIRECT (1ULL << 62) 269 270 #define GITS_BASER_INNER_CACHEABILITY_SHIFT (59) 271 #define GITS_BASER_OUTER_CACHEABILITY_SHIFT (53) 272 #define GITS_BASER_INNER_CACHEABILITY_MASK \ 273 GIC_BASER_CACHEABILITY(GITS_BASER, INNER, MASK) 274 #define GITS_BASER_CACHEABILITY_MASK GITS_BASER_INNER_CACHEABILITY_MASK 275 #define GITS_BASER_OUTER_CACHEABILITY_MASK \ 276 GIC_BASER_CACHEABILITY(GITS_BASER, OUTER, MASK) 277 #define GITS_BASER_SHAREABILITY_MASK \ 278 GIC_BASER_SHAREABILITY(GITS_BASER, SHAREABILITY_MASK) 279 280 #define GITS_BASER_nCnB GIC_BASER_CACHEABILITY(GITS_BASER, INNER, nCnB) 281 #define GITS_BASER_nC GIC_BASER_CACHEABILITY(GITS_BASER, INNER, nC) 282 #define GITS_BASER_RaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWt) 283 #define GITS_BASER_RaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWt) 284 #define GITS_BASER_WaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, WaWt) 285 #define GITS_BASER_WaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, WaWb) 286 #define GITS_BASER_RaWaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWaWt) 287 #define GITS_BASER_RaWaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWaWb) 288 289 #define GITS_BASER_TYPE_SHIFT (56) 290 #define GITS_BASER_TYPE(r) (((r) >> GITS_BASER_TYPE_SHIFT) & 7) 291 #define GITS_BASER_ENTRY_SIZE_SHIFT (48) 292 #define GITS_BASER_ENTRY_SIZE(r) ((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0x1f) + 1) 293 #define GITS_BASER_SHAREABILITY_SHIFT (10) 294 #define GITS_BASER_InnerShareable \ 295 GIC_BASER_SHAREABILITY(GITS_BASER, InnerShareable) 296 #define GITS_BASER_PAGE_SIZE_SHIFT (8) 297 #define GITS_BASER_PAGE_SIZE_4K (0ULL << GITS_BASER_PAGE_SIZE_SHIFT) 298 #define GITS_BASER_PAGE_SIZE_16K (1ULL << GITS_BASER_PAGE_SIZE_SHIFT) 299 #define GITS_BASER_PAGE_SIZE_64K (2ULL << GITS_BASER_PAGE_SIZE_SHIFT) 300 #define GITS_BASER_PAGE_SIZE_MASK (3ULL << GITS_BASER_PAGE_SIZE_SHIFT) 301 #define GITS_BASER_PAGES_MAX 256 302 #define GITS_BASER_PAGES_SHIFT (0) 303 #define GITS_BASER_NR_PAGES(r) (((r) & 0xff) + 1) 304 305 #define GITS_BASER_TYPE_NONE 0 306 #define GITS_BASER_TYPE_DEVICE 1 307 #define GITS_BASER_TYPE_VCPU 2 308 #define GITS_BASER_TYPE_RESERVED3 3 309 #define GITS_BASER_TYPE_COLLECTION 4 310 #define GITS_BASER_TYPE_RESERVED5 5 311 #define GITS_BASER_TYPE_RESERVED6 6 312 #define GITS_BASER_TYPE_RESERVED7 7 313 314 #define GITS_LVL1_ENTRY_SIZE (8UL) 315 316 /* 317 * ITS commands 318 */ 319 #define GITS_CMD_MAPD 0x08 320 #define GITS_CMD_MAPC 0x09 321 #define GITS_CMD_MAPTI 0x0a 322 #define GITS_CMD_MAPI 0x0b 323 #define GITS_CMD_MOVI 0x01 324 #define GITS_CMD_DISCARD 0x0f 325 #define GITS_CMD_INV 0x0c 326 #define GITS_CMD_MOVALL 0x0e 327 #define GITS_CMD_INVALL 0x0d 328 #define GITS_CMD_INT 0x03 329 #define GITS_CMD_CLEAR 0x04 330 #define GITS_CMD_SYNC 0x05 331 332 /* 333 * ITS error numbers 334 */ 335 #define E_ITS_MOVI_UNMAPPED_INTERRUPT 0x010107 336 #define E_ITS_MOVI_UNMAPPED_COLLECTION 0x010109 337 #define E_ITS_INT_UNMAPPED_INTERRUPT 0x010307 338 #define E_ITS_CLEAR_UNMAPPED_INTERRUPT 0x010507 339 #define E_ITS_MAPD_DEVICE_OOR 0x010801 340 #define E_ITS_MAPC_PROCNUM_OOR 0x010902 341 #define E_ITS_MAPC_COLLECTION_OOR 0x010903 342 #define E_ITS_MAPTI_UNMAPPED_DEVICE 0x010a04 343 #define E_ITS_MAPTI_PHYSICALID_OOR 0x010a06 344 #define E_ITS_INV_UNMAPPED_INTERRUPT 0x010c07 345 #define E_ITS_INVALL_UNMAPPED_COLLECTION 0x010d09 346 #define E_ITS_MOVALL_PROCNUM_OOR 0x010e01 347 #define E_ITS_DISCARD_UNMAPPED_INTERRUPT 0x010f07 348 349 /* 350 * CPU interface registers 351 */ 352 #define ICC_CTLR_EL1_EOImode_SHIFT (1) 353 #define ICC_CTLR_EL1_EOImode_drop_dir (0U << ICC_CTLR_EL1_EOImode_SHIFT) 354 #define ICC_CTLR_EL1_EOImode_drop (1U << ICC_CTLR_EL1_EOImode_SHIFT) 355 #define ICC_CTLR_EL1_EOImode_MASK (1 << ICC_CTLR_EL1_EOImode_SHIFT) 356 #define ICC_CTLR_EL1_CBPR_SHIFT 0 357 #define ICC_CTLR_EL1_CBPR_MASK (1 << ICC_CTLR_EL1_CBPR_SHIFT) 358 #define ICC_CTLR_EL1_PRI_BITS_SHIFT 8 359 #define ICC_CTLR_EL1_PRI_BITS_MASK (0x7 << ICC_CTLR_EL1_PRI_BITS_SHIFT) 360 #define ICC_CTLR_EL1_ID_BITS_SHIFT 11 361 #define ICC_CTLR_EL1_ID_BITS_MASK (0x7 << ICC_CTLR_EL1_ID_BITS_SHIFT) 362 #define ICC_CTLR_EL1_SEIS_SHIFT 14 363 #define ICC_CTLR_EL1_SEIS_MASK (0x1 << ICC_CTLR_EL1_SEIS_SHIFT) 364 #define ICC_CTLR_EL1_A3V_SHIFT 15 365 #define ICC_CTLR_EL1_A3V_MASK (0x1 << ICC_CTLR_EL1_A3V_SHIFT) 366 #define ICC_PMR_EL1_SHIFT 0 367 #define ICC_PMR_EL1_MASK (0xff << ICC_PMR_EL1_SHIFT) 368 #define ICC_BPR0_EL1_SHIFT 0 369 #define ICC_BPR0_EL1_MASK (0x7 << ICC_BPR0_EL1_SHIFT) 370 #define ICC_BPR1_EL1_SHIFT 0 371 #define ICC_BPR1_EL1_MASK (0x7 << ICC_BPR1_EL1_SHIFT) 372 #define ICC_IGRPEN0_EL1_SHIFT 0 373 #define ICC_IGRPEN0_EL1_MASK (1 << ICC_IGRPEN0_EL1_SHIFT) 374 #define ICC_IGRPEN1_EL1_SHIFT 0 375 #define ICC_IGRPEN1_EL1_MASK (1 << ICC_IGRPEN1_EL1_SHIFT) 376 #define ICC_SRE_EL1_DIB (1U << 2) 377 #define ICC_SRE_EL1_DFB (1U << 1) 378 #define ICC_SRE_EL1_SRE (1U << 0) 379 380 /* 381 * Hypervisor interface registers (SRE only) 382 */ 383 #define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1) 384 385 #define ICH_LR_EOI (1ULL << 41) 386 #define ICH_LR_GROUP (1ULL << 60) 387 #define ICH_LR_HW (1ULL << 61) 388 #define ICH_LR_STATE (3ULL << 62) 389 #define ICH_LR_PENDING_BIT (1ULL << 62) 390 #define ICH_LR_ACTIVE_BIT (1ULL << 63) 391 #define ICH_LR_PHYS_ID_SHIFT 32 392 #define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT) 393 #define ICH_LR_PRIORITY_SHIFT 48 394 395 /* These are for GICv2 emulation only */ 396 #define GICH_LR_VIRTUALID (0x3ffUL << 0) 397 #define GICH_LR_PHYSID_CPUID_SHIFT (10) 398 #define GICH_LR_PHYSID_CPUID (7UL << GICH_LR_PHYSID_CPUID_SHIFT) 399 400 #define ICH_MISR_EOI (1 << 0) 401 #define ICH_MISR_U (1 << 1) 402 403 #define ICH_HCR_EN (1 << 0) 404 #define ICH_HCR_UIE (1 << 1) 405 406 #define ICH_VMCR_CBPR_SHIFT 4 407 #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT) 408 #define ICH_VMCR_EOIM_SHIFT 9 409 #define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT) 410 #define ICH_VMCR_BPR1_SHIFT 18 411 #define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT) 412 #define ICH_VMCR_BPR0_SHIFT 21 413 #define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT) 414 #define ICH_VMCR_PMR_SHIFT 24 415 #define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT) 416 #define ICH_VMCR_ENG0_SHIFT 0 417 #define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT) 418 #define ICH_VMCR_ENG1_SHIFT 1 419 #define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT) 420 421 #define ICH_VTR_PRI_BITS_SHIFT 29 422 #define ICH_VTR_PRI_BITS_MASK (7 << ICH_VTR_PRI_BITS_SHIFT) 423 #define ICH_VTR_ID_BITS_SHIFT 23 424 #define ICH_VTR_ID_BITS_MASK (7 << ICH_VTR_ID_BITS_SHIFT) 425 #define ICH_VTR_SEIS_SHIFT 22 426 #define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT) 427 #define ICH_VTR_A3V_SHIFT 21 428 #define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT) 429 430 #define ICC_IAR1_EL1_SPURIOUS 0x3ff 431 432 #define ICC_SRE_EL2_SRE (1 << 0) 433 #define ICC_SRE_EL2_ENABLE (1 << 3) 434 435 #define ICC_SGI1R_TARGET_LIST_SHIFT 0 436 #define ICC_SGI1R_TARGET_LIST_MASK (0xffff << ICC_SGI1R_TARGET_LIST_SHIFT) 437 #define ICC_SGI1R_AFFINITY_1_SHIFT 16 438 #define ICC_SGI1R_AFFINITY_1_MASK (0xff << ICC_SGI1R_AFFINITY_1_SHIFT) 439 #define ICC_SGI1R_SGI_ID_SHIFT 24 440 #define ICC_SGI1R_SGI_ID_MASK (0xfULL << ICC_SGI1R_SGI_ID_SHIFT) 441 #define ICC_SGI1R_AFFINITY_2_SHIFT 32 442 #define ICC_SGI1R_AFFINITY_2_MASK (0xffULL << ICC_SGI1R_AFFINITY_2_SHIFT) 443 #define ICC_SGI1R_IRQ_ROUTING_MODE_BIT 40 444 #define ICC_SGI1R_AFFINITY_3_SHIFT 48 445 #define ICC_SGI1R_AFFINITY_3_MASK (0xffULL << ICC_SGI1R_AFFINITY_3_SHIFT) 446 447 #include <asm/arch_gicv3.h> 448 449 #ifndef __ASSEMBLY__ 450 451 /* 452 * We need a value to serve as a irq-type for LPIs. Choose one that will 453 * hopefully pique the interest of the reviewer. 454 */ 455 #define GIC_IRQ_TYPE_LPI 0xa110c8ed 456 457 struct rdists { 458 struct { 459 void __iomem *rd_base; 460 struct page *pend_page; 461 phys_addr_t phys_base; 462 } __percpu *rdist; 463 struct page *prop_page; 464 int id_bits; 465 u64 flags; 466 }; 467 468 struct irq_domain; 469 struct fwnode_handle; 470 int its_cpu_init(void); 471 int its_init(struct fwnode_handle *handle, struct rdists *rdists, 472 struct irq_domain *domain); 473 474 static inline bool gic_enable_sre(void) 475 { 476 u32 val; 477 478 val = gic_read_sre(); 479 if (val & ICC_SRE_EL1_SRE) 480 return true; 481 482 val |= ICC_SRE_EL1_SRE; 483 gic_write_sre(val); 484 val = gic_read_sre(); 485 486 return !!(val & ICC_SRE_EL1_SRE); 487 } 488 489 #endif 490 491 #endif 492