| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-2-Clause |
| 3 | * |
| 4 | * Copyright (c) 1996, by Peter Wemm and Steve Passe |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. The name of the developer may NOT be used to endorse or promote products |
| 13 | * derived from this software without specific prior written permission. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 25 | * SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef _X86_APICREG_H_ |
| 29 | #define _X86_APICREG_H_ |
| 30 | |
| 31 | /* |
| 32 | * Local && I/O APIC definitions. |
| 33 | */ |
| 34 | |
| 35 | /* |
| 36 | * Pentium P54C+ Built-in APIC |
| 37 | * (Advanced programmable Interrupt Controller) |
| 38 | * |
| 39 | * Base Address of Built-in APIC in memory location |
| 40 | * is 0xfee00000. |
| 41 | * |
| 42 | * Map of APIC Registers: |
| 43 | * |
| 44 | * Offset (hex) Description Read/Write state |
| 45 | * 000 Reserved |
| 46 | * 010 Reserved |
| 47 | * 020 ID Local APIC ID R/W |
| 48 | * 030 VER Local APIC Version R |
| 49 | * 040 Reserved |
| 50 | * 050 Reserved |
| 51 | * 060 Reserved |
| 52 | * 070 Reserved |
| 53 | * 080 Task Priority Register R/W |
| 54 | * 090 Arbitration Priority Register R |
| 55 | * 0A0 Processor Priority Register R |
| 56 | * 0B0 EOI Register W |
| 57 | * 0C0 RRR Remote read R |
| 58 | * 0D0 Logical Destination R/W |
| 59 | * 0E0 Destination Format Register 0..27 R; 28..31 R/W |
| 60 | * 0F0 SVR Spurious Interrupt Vector Reg. 0..3 R; 4..9 R/W |
| 61 | * 100 ISR 000-031 R |
| 62 | * 110 ISR 032-063 R |
| 63 | * 120 ISR 064-095 R |
| 64 | * 130 ISR 095-128 R |
| 65 | * 140 ISR 128-159 R |
| 66 | * 150 ISR 160-191 R |
| 67 | * 160 ISR 192-223 R |
| 68 | * 170 ISR 224-255 R |
| 69 | * 180 TMR 000-031 R |
| 70 | * 190 TMR 032-063 R |
| 71 | * 1A0 TMR 064-095 R |
| 72 | * 1B0 TMR 095-128 R |
| 73 | * 1C0 TMR 128-159 R |
| 74 | * 1D0 TMR 160-191 R |
| 75 | * 1E0 TMR 192-223 R |
| 76 | * 1F0 TMR 224-255 R |
| 77 | * 200 IRR 000-031 R |
| 78 | * 210 IRR 032-063 R |
| 79 | * 220 IRR 064-095 R |
| 80 | * 230 IRR 095-128 R |
| 81 | * 240 IRR 128-159 R |
| 82 | * 250 IRR 160-191 R |
| 83 | * 260 IRR 192-223 R |
| 84 | * 270 IRR 224-255 R |
| 85 | * 280 Error Status Register R |
| 86 | * 290 Reserved |
| 87 | * 2A0 Reserved |
| 88 | * 2B0 Reserved |
| 89 | * 2C0 Reserved |
| 90 | * 2D0 Reserved |
| 91 | * 2E0 Reserved |
| 92 | * 2F0 Local Vector Table (CMCI) R/W |
| 93 | * 300 ICR_LOW Interrupt Command Reg. (0-31) R/W |
| 94 | * 310 ICR_HI Interrupt Command Reg. (32-63) R/W |
| 95 | * 320 Local Vector Table (Timer) R/W |
| 96 | * 330 Local Vector Table (Thermal) R/W (PIV+) |
| 97 | * 340 Local Vector Table (Performance) R/W (P6+) |
| 98 | * 350 LVT1 Local Vector Table (LINT0) R/W |
| 99 | * 360 LVT2 Local Vector Table (LINT1) R/W |
| 100 | * 370 LVT3 Local Vector Table (ERROR) R/W |
| 101 | * 380 Initial Count Reg. for Timer R/W |
| 102 | * 390 Current Count of Timer R |
| 103 | * 3A0 Reserved |
| 104 | * 3B0 Reserved |
| 105 | * 3C0 Reserved |
| 106 | * 3D0 Reserved |
| 107 | * 3E0 Timer Divide Configuration Reg. R/W |
| 108 | * 3F0 Reserved |
| 109 | */ |
| 110 | |
| 111 | /****************************************************************************** |
| 112 | * global defines, etc. |
| 113 | */ |
| 114 | |
| 115 | /****************************************************************************** |
| 116 | * LOCAL APIC structure |
| 117 | */ |
| 118 | |
| 119 | #ifndef LOCORE |
| 120 | #include <sys/types.h> |
| 121 | |
| 122 | #define PAD3	int : 32; int : 32; int : 32 |
| 123 | #define PAD4	int : 32; int : 32; int : 32; int : 32 |
| 124 | |
| 125 | struct LAPIC { |
| 126 | 	/* reserved */		PAD4; |
| 127 | 	/* reserved */		PAD4; |
| 128 | 	u_int32_t id;		PAD3; |
| 129 | 	u_int32_t version;	PAD3; |
| 130 | 	/* reserved */		PAD4; |
| 131 | 	/* reserved */		PAD4; |
| 132 | 	/* reserved */		PAD4; |
| 133 | 	/* reserved */		PAD4; |
| 134 | 	u_int32_t tpr;		PAD3; |
| 135 | 	u_int32_t apr;		PAD3; |
| 136 | 	u_int32_t ppr;		PAD3; |
| 137 | 	u_int32_t eoi;		PAD3; |
| 138 | 	/* reserved */		PAD4; |
| 139 | 	u_int32_t ldr;		PAD3; |
| 140 | 	u_int32_t dfr;		PAD3; |
| 141 | 	u_int32_t svr;		PAD3; |
| 142 | 	u_int32_t isr0;		PAD3; |
| 143 | 	u_int32_t isr1;		PAD3; |
| 144 | 	u_int32_t isr2;		PAD3; |
| 145 | 	u_int32_t isr3;		PAD3; |
| 146 | 	u_int32_t isr4;		PAD3; |
| 147 | 	u_int32_t isr5;		PAD3; |
| 148 | 	u_int32_t isr6;		PAD3; |
| 149 | 	u_int32_t isr7;		PAD3; |
| 150 | 	u_int32_t tmr0;		PAD3; |
| 151 | 	u_int32_t tmr1;		PAD3; |
| 152 | 	u_int32_t tmr2;		PAD3; |
| 153 | 	u_int32_t tmr3;		PAD3; |
| 154 | 	u_int32_t tmr4;		PAD3; |
| 155 | 	u_int32_t tmr5;		PAD3; |
| 156 | 	u_int32_t tmr6;		PAD3; |
| 157 | 	u_int32_t tmr7;		PAD3; |
| 158 | 	u_int32_t irr0;		PAD3; |
| 159 | 	u_int32_t irr1;		PAD3; |
| 160 | 	u_int32_t irr2;		PAD3; |
| 161 | 	u_int32_t irr3;		PAD3; |
| 162 | 	u_int32_t irr4;		PAD3; |
| 163 | 	u_int32_t irr5;		PAD3; |
| 164 | 	u_int32_t irr6;		PAD3; |
| 165 | 	u_int32_t irr7;		PAD3; |
| 166 | 	u_int32_t esr;		PAD3; |
| 167 | 	/* reserved */		PAD4; |
| 168 | 	/* reserved */		PAD4; |
| 169 | 	/* reserved */		PAD4; |
| 170 | 	/* reserved */		PAD4; |
| 171 | 	/* reserved */		PAD4; |
| 172 | 	/* reserved */		PAD4; |
| 173 | 	u_int32_t lvt_cmci;	PAD3; |
| 174 | 	u_int32_t icr_lo;	PAD3; |
| 175 | 	u_int32_t icr_hi;	PAD3; |
| 176 | 	u_int32_t lvt_timer;	PAD3; |
| 177 | 	u_int32_t lvt_thermal;	PAD3; |
| 178 | 	u_int32_t lvt_pcint;	PAD3; |
| 179 | 	u_int32_t lvt_lint0;	PAD3; |
| 180 | 	u_int32_t lvt_lint1;	PAD3; |
| 181 | 	u_int32_t lvt_error;	PAD3; |
| 182 | 	u_int32_t icr_timer;	PAD3; |
| 183 | 	u_int32_t ccr_timer;	PAD3; |
| 184 | 	/* reserved */		PAD4; |
| 185 | 	/* reserved */		PAD4; |
| 186 | 	/* reserved */		PAD4; |
| 187 | 	/* reserved */		PAD4; |
| 188 | 	u_int32_t dcr_timer;	PAD3; |
| 189 | 	/* reserved */		PAD4; |
| 190 | }; |
| 191 | |
| 192 | typedef struct LAPIC lapic_t; |
| 193 | |
| 194 | enum LAPIC_REGISTERS { |
| 195 | 	LAPIC_ID	= 0x2, |
| 196 | 	LAPIC_VERSION	= 0x3, |
| 197 | 	LAPIC_TPR	= 0x8, |
| 198 | 	LAPIC_APR	= 0x9, |
| 199 | 	LAPIC_PPR	= 0xa, |
| 200 | 	LAPIC_EOI	= 0xb, |
| 201 | 	LAPIC_LDR	= 0xd, |
| 202 | 	LAPIC_DFR	= 0xe, /* Not in x2APIC */ |
| 203 | 	LAPIC_SVR	= 0xf, |
| 204 | 	LAPIC_ISR0	= 0x10, |
| 205 | 	LAPIC_ISR1	= 0x11, |
| 206 | 	LAPIC_ISR2	= 0x12, |
| 207 | 	LAPIC_ISR3	= 0x13, |
| 208 | 	LAPIC_ISR4	= 0x14, |
| 209 | 	LAPIC_ISR5	= 0x15, |
| 210 | 	LAPIC_ISR6	= 0x16, |
| 211 | 	LAPIC_ISR7	= 0x17, |
| 212 | 	LAPIC_TMR0	= 0x18, |
| 213 | 	LAPIC_TMR1	= 0x19, |
| 214 | 	LAPIC_TMR2	= 0x1a, |
| 215 | 	LAPIC_TMR3	= 0x1b, |
| 216 | 	LAPIC_TMR4	= 0x1c, |
| 217 | 	LAPIC_TMR5	= 0x1d, |
| 218 | 	LAPIC_TMR6	= 0x1e, |
| 219 | 	LAPIC_TMR7	= 0x1f, |
| 220 | 	LAPIC_IRR0	= 0x20, |
| 221 | 	LAPIC_IRR1	= 0x21, |
| 222 | 	LAPIC_IRR2	= 0x22, |
| 223 | 	LAPIC_IRR3	= 0x23, |
| 224 | 	LAPIC_IRR4	= 0x24, |
| 225 | 	LAPIC_IRR5	= 0x25, |
| 226 | 	LAPIC_IRR6	= 0x26, |
| 227 | 	LAPIC_IRR7	= 0x27, |
| 228 | 	LAPIC_ESR	= 0x28, |
| 229 | 	LAPIC_LVT_CMCI	= 0x2f, |
| 230 | 	LAPIC_ICR_LO	= 0x30, |
| 231 | 	LAPIC_ICR_HI	= 0x31, /* Not in x2APIC */ |
| 232 | 	LAPIC_LVT_TIMER	= 0x32, |
| 233 | 	LAPIC_LVT_THERMAL = 0x33, |
| 234 | 	LAPIC_LVT_PCINT	= 0x34, |
| 235 | 	LAPIC_LVT_LINT0	= 0x35, |
| 236 | 	LAPIC_LVT_LINT1	= 0x36, |
| 237 | 	LAPIC_LVT_ERROR	= 0x37, |
| 238 | 	LAPIC_ICR_TIMER	= 0x38, |
| 239 | 	LAPIC_CCR_TIMER	= 0x39, |
| 240 | 	LAPIC_DCR_TIMER	= 0x3e, |
| 241 | 	LAPIC_SELF_IPI	= 0x3f, /* Only in x2APIC */ |
| 242 | 	LAPIC_EXT_FEATURES = 0x40, /* AMD */ |
| 243 | 	LAPIC_EXT_CTRL	= 0x41, /* AMD */ |
| 244 | 	LAPIC_EXT_SEOI	= 0x42, /* AMD */ |
| 245 | 	LAPIC_EXT_IER0	= 0x48, /* AMD */ |
| 246 | 	LAPIC_EXT_IER1	= 0x49, /* AMD */ |
| 247 | 	LAPIC_EXT_IER2	= 0x4a, /* AMD */ |
| 248 | 	LAPIC_EXT_IER3	= 0x4b, /* AMD */ |
| 249 | 	LAPIC_EXT_IER4	= 0x4c, /* AMD */ |
| 250 | 	LAPIC_EXT_IER5	= 0x4d, /* AMD */ |
| 251 | 	LAPIC_EXT_IER6	= 0x4e, /* AMD */ |
| 252 | 	LAPIC_EXT_IER7	= 0x4f, /* AMD */ |
| 253 | 	LAPIC_EXT_LVT0	= 0x50, /* AMD */ |
| 254 | 	LAPIC_EXT_LVT1	= 0x51, /* AMD */ |
| 255 | 	LAPIC_EXT_LVT2	= 0x52, /* AMD */ |
| 256 | 	LAPIC_EXT_LVT3	= 0x53, /* AMD */ |
| 257 | }; |
| 258 | |
| 259 | #define	LAPIC_MEM_MUL	0x10 |
| 260 | |
| 261 | /* |
| 262 | * Although some registers are available on AMD processors only, |
| 263 | * it's not a big waste to reserve them on all platforms. |
| 264 | * However, we need to watch out for this space being assigned for |
| 265 | * non-APIC purposes in the future processor models. |
| 266 | */ |
| 267 | #define	LAPIC_MEM_REGION ((LAPIC_EXT_LVT3 + 1) * LAPIC_MEM_MUL) |
| 268 | |
| 269 | /****************************************************************************** |
| 270 | * I/O APIC structure |
| 271 | */ |
| 272 | |
| 273 | struct IOAPIC { |
| 274 | 	u_int32_t ioregsel;	PAD3; |
| 275 | 	u_int32_t iowin;	PAD3; |
| 276 | }; |
| 277 | |
| 278 | typedef struct IOAPIC ioapic_t; |
| 279 | |
| 280 | #undef PAD4 |
| 281 | #undef PAD3 |
| 282 | |
| 283 | #endif /* !LOCORE */ |
| 284 | |
| 285 | /****************************************************************************** |
| 286 | * various code 'logical' values |
| 287 | */ |
| 288 | |
| 289 | /****************************************************************************** |
| 290 | * LOCAL APIC defines |
| 291 | */ |
| 292 | |
| 293 | /* default physical locations of LOCAL (CPU) APICs */ |
| 294 | #define DEFAULT_APIC_BASE	0xfee00000 |
| 295 | |
| 296 | /* constants relating to APIC ID registers */ |
| 297 | #define APIC_ID_MASK		0xff000000 |
| 298 | #define	APIC_ID_SHIFT		24 |
| 299 | #define APIC_EXT_ID_MASK	0x00fe0000 |
| 300 | #define	APIC_EXT_ID_SHIFT	17 |
| 301 | #define	APIC_ID_CLUSTER		0xf0 |
| 302 | #define	APIC_ID_CLUSTER_ID	0x0f |
| 303 | #define	APIC_MAX_CLUSTER	0xe |
| 304 | #define	APIC_MAX_INTRACLUSTER_ID 3 |
| 305 | #define	APIC_ID_CLUSTER_SHIFT	4 |
| 306 | |
| 307 | /* fields in VER */ |
| 308 | #define APIC_VER_VERSION	0x000000ff |
| 309 | #define APIC_VER_MAXLVT		0x00ff0000 |
| 310 | #define MAXLVTSHIFT		16 |
| 311 | #define APIC_VER_EOI_SUPPRESSION 0x01000000 |
| 312 | #define APIC_VER_AMD_EXT_SPACE	0x80000000 |
| 313 | |
| 314 | /* fields in LDR */ |
| 315 | #define	APIC_LDR_RESERVED	0x00ffffff |
| 316 | |
| 317 | /* fields in DFR */ |
| 318 | #define	APIC_DFR_RESERVED	0x0fffffff |
| 319 | #define	APIC_DFR_MODEL_MASK	0xf0000000 |
| 320 | #define	APIC_DFR_MODEL_FLAT	0xf0000000 |
| 321 | #define	APIC_DFR_MODEL_CLUSTER	0x00000000 |
| 322 | |
| 323 | /* fields in SVR */ |
| 324 | #define APIC_SVR_VECTOR		0x000000ff |
| 325 | #define APIC_SVR_VEC_PROG	0x000000f0 |
| 326 | #define APIC_SVR_VEC_FIX	0x0000000f |
| 327 | #define APIC_SVR_ENABLE		0x00000100 |
| 328 | # define APIC_SVR_SWDIS		0x00000000 |
| 329 | # define APIC_SVR_SWEN		0x00000100 |
| 330 | #define APIC_SVR_FOCUS		0x00000200 |
| 331 | # define APIC_SVR_FEN		0x00000000 |
| 332 | # define APIC_SVR_FDIS		0x00000200 |
| 333 | #define APIC_SVR_EOI_SUPPRESSION 0x00001000 |
| 334 | |
| 335 | /* fields in TPR */ |
| 336 | #define APIC_TPR_PRIO		0x000000ff |
| 337 | # define APIC_TPR_INT		0x000000f0 |
| 338 | # define APIC_TPR_SUB		0x0000000f |
| 339 | |
| 340 | /* fields in ESR */ |
| 341 | #define	APIC_ESR_SEND_CS_ERROR		0x00000001 |
| 342 | #define	APIC_ESR_RECEIVE_CS_ERROR	0x00000002 |
| 343 | #define	APIC_ESR_SEND_ACCEPT		0x00000004 |
| 344 | #define	APIC_ESR_RECEIVE_ACCEPT		0x00000008 |
| 345 | #define	APIC_ESR_SEND_ILLEGAL_VECTOR	0x00000020 |
| 346 | #define	APIC_ESR_RECEIVE_ILLEGAL_VECTOR	0x00000040 |
| 347 | #define	APIC_ESR_ILLEGAL_REGISTER	0x00000080 |
| 348 | |
| 349 | /* fields in ICR_LOW */ |
| 350 | #define APIC_VECTOR_MASK	0x000000ff |
| 351 | |
| 352 | #define APIC_DELMODE_MASK	0x00000700 |
| 353 | # define APIC_DELMODE_FIXED	0x00000000 |
| 354 | # define APIC_DELMODE_LOWPRIO	0x00000100 |
| 355 | # define APIC_DELMODE_SMI	0x00000200 |
| 356 | # define APIC_DELMODE_RR	0x00000300 |
| 357 | # define APIC_DELMODE_NMI	0x00000400 |
| 358 | # define APIC_DELMODE_INIT	0x00000500 |
| 359 | # define APIC_DELMODE_STARTUP	0x00000600 |
| 360 | # define APIC_DELMODE_RESV	0x00000700 |
| 361 | |
| 362 | #define APIC_DESTMODE_MASK	0x00000800 |
| 363 | # define APIC_DESTMODE_PHY	0x00000000 |
| 364 | # define APIC_DESTMODE_LOG	0x00000800 |
| 365 | |
| 366 | #define APIC_DELSTAT_MASK	0x00001000 |
| 367 | # define APIC_DELSTAT_IDLE	0x00000000 |
| 368 | # define APIC_DELSTAT_PEND	0x00001000 |
| 369 | |
| 370 | #define APIC_RESV1_MASK		0x00002000 |
| 371 | |
| 372 | #define APIC_LEVEL_MASK		0x00004000 |
| 373 | # define APIC_LEVEL_DEASSERT	0x00000000 |
| 374 | # define APIC_LEVEL_ASSERT	0x00004000 |
| 375 | |
| 376 | #define APIC_TRIGMOD_MASK	0x00008000 |
| 377 | # define APIC_TRIGMOD_EDGE	0x00000000 |
| 378 | # define APIC_TRIGMOD_LEVEL	0x00008000 |
| 379 | |
| 380 | #define APIC_RRSTAT_MASK	0x00030000 |
| 381 | # define APIC_RRSTAT_INVALID	0x00000000 |
| 382 | # define APIC_RRSTAT_INPROG	0x00010000 |
| 383 | # define APIC_RRSTAT_VALID	0x00020000 |
| 384 | # define APIC_RRSTAT_RESV	0x00030000 |
| 385 | |
| 386 | #define APIC_DEST_MASK		0x000c0000 |
| 387 | # define APIC_DEST_DESTFLD	0x00000000 |
| 388 | # define APIC_DEST_SELF		0x00040000 |
| 389 | # define APIC_DEST_ALLISELF	0x00080000 |
| 390 | # define APIC_DEST_ALLESELF	0x000c0000 |
| 391 | |
| 392 | #define APIC_RESV2_MASK		0xfff00000 |
| 393 | |
| 394 | #define	APIC_ICRLO_RESV_MASK	(APIC_RESV1_MASK | APIC_RESV2_MASK) |
| 395 | |
| 396 | /* fields in LVT1/2 */ |
| 397 | #define APIC_LVT_VECTOR		0x000000ff |
| 398 | #define APIC_LVT_DM		0x00000700 |
| 399 | # define APIC_LVT_DM_FIXED	0x00000000 |
| 400 | # define APIC_LVT_DM_SMI	0x00000200 |
| 401 | # define APIC_LVT_DM_NMI	0x00000400 |
| 402 | # define APIC_LVT_DM_INIT	0x00000500 |
| 403 | # define APIC_LVT_DM_EXTINT	0x00000700 |
| 404 | #define APIC_LVT_DS		0x00001000 |
| 405 | #define APIC_LVT_IIPP		0x00002000 |
| 406 | #define APIC_LVT_IIPP_INTALO	0x00002000 |
| 407 | #define APIC_LVT_IIPP_INTAHI	0x00000000 |
| 408 | #define APIC_LVT_RIRR		0x00004000 |
| 409 | #define APIC_LVT_TM		0x00008000 |
| 410 | #define APIC_LVT_M		0x00010000 |
| 411 | |
| 412 | /* fields in LVT Timer */ |
| 413 | #define APIC_LVTT_VECTOR	0x000000ff |
| 414 | #define APIC_LVTT_DS		0x00001000 |
| 415 | #define APIC_LVTT_M		0x00010000 |
| 416 | #define APIC_LVTT_TM		0x00060000 |
| 417 | # define APIC_LVTT_TM_ONE_SHOT	0x00000000 |
| 418 | # define APIC_LVTT_TM_PERIODIC	0x00020000 |
| 419 | # define APIC_LVTT_TM_TSCDLT	0x00040000 |
| 420 | # define APIC_LVTT_TM_RSRV	0x00060000 |
| 421 | |
| 422 | /* APIC timer current count */ |
| 423 | #define	APIC_TIMER_MAX_COUNT	0xffffffff |
| 424 | |
| 425 | /* fields in TDCR */ |
| 426 | #define APIC_TDCR_2		0x00 |
| 427 | #define APIC_TDCR_4		0x01 |
| 428 | #define APIC_TDCR_8		0x02 |
| 429 | #define APIC_TDCR_16		0x03 |
| 430 | #define APIC_TDCR_32		0x08 |
| 431 | #define APIC_TDCR_64		0x09 |
| 432 | #define APIC_TDCR_128		0x0a |
| 433 | #define APIC_TDCR_1		0x0b |
| 434 | |
| 435 | /* Constants related to AMD Extended APIC Features Register */ |
| 436 | #define	APIC_EXTF_ELVT_MASK	0x00ff0000 |
| 437 | #define	APIC_EXTF_ELVT_SHIFT	16 |
| 438 | #define	APIC_EXTF_EXTID_CAP	0x00000004 |
| 439 | #define	APIC_EXTF_SEIO_CAP	0x00000002 |
| 440 | #define	APIC_EXTF_IER_CAP	0x00000001 |
| 441 | |
| 442 | /* LVT table indices */ |
| 443 | #define	APIC_LVT_LINT0		0 |
| 444 | #define	APIC_LVT_LINT1		1 |
| 445 | #define	APIC_LVT_TIMER		2 |
| 446 | #define	APIC_LVT_ERROR		3 |
| 447 | #define	APIC_LVT_PMC		4 |
| 448 | #define	APIC_LVT_THERMAL	5 |
| 449 | #define	APIC_LVT_CMCI		6 |
| 450 | #define	APIC_LVT_MAX		APIC_LVT_CMCI |
| 451 | |
| 452 | /* AMD extended LVT constants, seem to be assigned by fiat */ |
| 453 | #define	APIC_ELVT_IBS		0 /* Instruction based sampling */ |
| 454 | #define	APIC_ELVT_MCA		1 /* MCE thresholding */ |
| 455 | #define	APIC_ELVT_DEI		2 /* Deferred error interrupt */ |
| 456 | #define	APIC_ELVT_SBI		3 /* Sideband interface */ |
| 457 | #define	APIC_ELVT_MAX		APIC_ELVT_SBI |
| 458 | |
| 459 | /****************************************************************************** |
| 460 | * I/O APIC defines |
| 461 | */ |
| 462 | |
| 463 | /* default physical locations of an IO APIC */ |
| 464 | #define DEFAULT_IO_APIC_BASE	0xfec00000 |
| 465 | |
| 466 | /* window register offset */ |
| 467 | #define IOAPIC_WINDOW		0x10 |
| 468 | #define IOAPIC_EOIR		0x40 |
| 469 | |
| 470 | #define	IOAPIC_WND_SIZE		0x50 |
| 471 | |
| 472 | /* indexes into IO APIC */ |
| 473 | #define IOAPIC_ID		0x00 |
| 474 | #define IOAPIC_VER		0x01 |
| 475 | #define IOAPIC_ARB		0x02 |
| 476 | #define IOAPIC_REDTBL		0x10 |
| 477 | #define IOAPIC_REDTBL0		IOAPIC_REDTBL |
| 478 | #define IOAPIC_REDTBL1		(IOAPIC_REDTBL+0x02) |
| 479 | #define IOAPIC_REDTBL2		(IOAPIC_REDTBL+0x04) |
| 480 | #define IOAPIC_REDTBL3		(IOAPIC_REDTBL+0x06) |
| 481 | #define IOAPIC_REDTBL4		(IOAPIC_REDTBL+0x08) |
| 482 | #define IOAPIC_REDTBL5		(IOAPIC_REDTBL+0x0a) |
| 483 | #define IOAPIC_REDTBL6		(IOAPIC_REDTBL+0x0c) |
| 484 | #define IOAPIC_REDTBL7		(IOAPIC_REDTBL+0x0e) |
| 485 | #define IOAPIC_REDTBL8		(IOAPIC_REDTBL+0x10) |
| 486 | #define IOAPIC_REDTBL9		(IOAPIC_REDTBL+0x12) |
| 487 | #define IOAPIC_REDTBL10		(IOAPIC_REDTBL+0x14) |
| 488 | #define IOAPIC_REDTBL11		(IOAPIC_REDTBL+0x16) |
| 489 | #define IOAPIC_REDTBL12		(IOAPIC_REDTBL+0x18) |
| 490 | #define IOAPIC_REDTBL13		(IOAPIC_REDTBL+0x1a) |
| 491 | #define IOAPIC_REDTBL14		(IOAPIC_REDTBL+0x1c) |
| 492 | #define IOAPIC_REDTBL15		(IOAPIC_REDTBL+0x1e) |
| 493 | #define IOAPIC_REDTBL16		(IOAPIC_REDTBL+0x20) |
| 494 | #define IOAPIC_REDTBL17		(IOAPIC_REDTBL+0x22) |
| 495 | #define IOAPIC_REDTBL18		(IOAPIC_REDTBL+0x24) |
| 496 | #define IOAPIC_REDTBL19		(IOAPIC_REDTBL+0x26) |
| 497 | #define IOAPIC_REDTBL20		(IOAPIC_REDTBL+0x28) |
| 498 | #define IOAPIC_REDTBL21		(IOAPIC_REDTBL+0x2a) |
| 499 | #define IOAPIC_REDTBL22		(IOAPIC_REDTBL+0x2c) |
| 500 | #define IOAPIC_REDTBL23		(IOAPIC_REDTBL+0x2e) |
| 501 | |
| 502 | /* fields in VER */ |
| 503 | #define IOART_VER_VERSION	0x000000ff |
| 504 | #define IOART_VER_MAXREDIR	0x00ff0000 |
| 505 | #define MAXREDIRSHIFT		16 |
| 506 | |
| 507 | /* |
| 508 | * fields in the IO APIC's redirection table entries |
| 509 | */ |
| 510 | #define IOART_DEST	APIC_ID_MASK	/* broadcast addr: all APICs */ |
| 511 | |
| 512 | #define IOART_RESV	0x00fe0000	/* reserved */ |
| 513 | |
| 514 | #define IOART_INTMASK	0x00010000	/* R/W: INTerrupt mask */ |
| 515 | # define IOART_INTMCLR	0x00000000	/* clear, allow INTs */ |
| 516 | # define IOART_INTMSET	0x00010000	/* set, inhibit INTs */ |
| 517 | |
| 518 | #define IOART_TRGRMOD	0x00008000	/* R/W: trigger mode */ |
| 519 | # define IOART_TRGREDG	0x00000000	/* edge */ |
| 520 | # define IOART_TRGRLVL	0x00008000	/* level */ |
| 521 | |
| 522 | #define IOART_REM_IRR	0x00004000	/* RO: remote IRR */ |
| 523 | |
| 524 | #define IOART_INTPOL	0x00002000	/* R/W: INT input pin polarity */ |
| 525 | # define IOART_INTAHI	0x00000000	/* active high */ |
| 526 | # define IOART_INTALO	0x00002000	/* active low */ |
| 527 | |
| 528 | #define IOART_DELIVS	0x00001000	/* RO: delivery status */ |
| 529 | |
| 530 | #define IOART_DESTMOD	0x00000800	/* R/W: destination mode */ |
| 531 | # define IOART_DESTPHY	0x00000000	/* physical */ |
| 532 | # define IOART_DESTLOG	0x00000800	/* logical */ |
| 533 | |
| 534 | #define IOART_DELMOD	0x00000700	/* R/W: delivery mode */ |
| 535 | # define IOART_DELFIXED	0x00000000	/* fixed */ |
| 536 | # define IOART_DELLOPRI	0x00000100	/* lowest priority */ |
| 537 | # define IOART_DELSMI	0x00000200	/* System Management INT */ |
| 538 | # define IOART_DELRSV1	0x00000300	/* reserved */ |
| 539 | # define IOART_DELNMI	0x00000400	/* NMI signal */ |
| 540 | # define IOART_DELINIT	0x00000500	/* INIT signal */ |
| 541 | # define IOART_DELRSV2	0x00000600	/* reserved */ |
| 542 | # define IOART_DELEXINT	0x00000700	/* External INTerrupt */ |
| 543 | |
| 544 | #define IOART_INTVEC	0x000000ff	/* R/W: INTerrupt vector field */ |
| 545 | |
| 546 | #endif /* _X86_APICREG_H_ */ |