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776cc201 SG |
1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
2 | /* | |
3 | * Helpers for ACPI table generation | |
4 | * | |
5 | * Based on acpi.c from coreboot | |
6 | * | |
7 | * Copyright 2019 Google LLC | |
8 | * | |
9 | * Copyright (C) 2015, Saket Sinha <saket.sinha89@gmail.com> | |
10 | * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com> | |
11 | */ | |
12 | ||
13 | #ifndef __ACPI_TABLE_H__ | |
14 | #define __ACPI_TABLE_H__ | |
15 | ||
2a2ebf88 | 16 | #include <dm/acpi.h> |
cd93d625 | 17 | |
776cc201 SG |
18 | #define RSDP_SIG "RSD PTR " /* RSDP pointer signature */ |
19 | #define OEM_ID "U-BOOT" /* U-Boot */ | |
20 | #define OEM_TABLE_ID "U-BOOTBL" /* U-Boot Table */ | |
21 | #define ASLC_ID "INTL" /* Intel ASL Compiler */ | |
22 | ||
d2628984 SG |
23 | /* TODO(sjg@chromium.org): Figure out how to get compiler revision */ |
24 | #define ASL_REVISION 0 | |
25 | ||
776cc201 SG |
26 | #define ACPI_RSDP_REV_ACPI_1_0 0 |
27 | #define ACPI_RSDP_REV_ACPI_2_0 2 | |
28 | ||
89c2798f SG |
29 | #if !defined(__ACPI__) |
30 | ||
ee3cb7c6 SG |
31 | #include <linux/bitops.h> |
32 | ||
86e1778d SG |
33 | struct acpi_ctx; |
34 | ||
776cc201 SG |
35 | /* |
36 | * RSDP (Root System Description Pointer) | |
37 | * Note: ACPI 1.0 didn't have length, xsdt_address, and ext_checksum | |
38 | */ | |
39 | struct acpi_rsdp { | |
40 | char signature[8]; /* RSDP signature */ | |
41 | u8 checksum; /* Checksum of the first 20 bytes */ | |
42 | char oem_id[6]; /* OEM ID */ | |
43 | u8 revision; /* 0 for ACPI 1.0, others 2 */ | |
44 | u32 rsdt_address; /* Physical address of RSDT (32 bits) */ | |
45 | u32 length; /* Total RSDP length (incl. extended part) */ | |
46 | u64 xsdt_address; /* Physical address of XSDT (64 bits) */ | |
47 | u8 ext_checksum; /* Checksum of the whole table */ | |
48 | u8 reserved[3]; | |
49 | }; | |
50 | ||
51 | /* Generic ACPI header, provided by (almost) all tables */ | |
52 | struct __packed acpi_table_header { | |
2a2ebf88 | 53 | char signature[ACPI_NAME_LEN]; /* ACPI signature (4 ASCII chars) */ |
776cc201 SG |
54 | u32 length; /* Table length in bytes (incl. header) */ |
55 | u8 revision; /* Table version (not ACPI version!) */ | |
56 | volatile u8 checksum; /* To make sum of entire table == 0 */ | |
57 | char oem_id[6]; /* OEM identification */ | |
58 | char oem_table_id[8]; /* OEM table identification */ | |
59 | u32 oem_revision; /* OEM revision number */ | |
60 | char aslc_id[4]; /* ASL compiler vendor ID */ | |
61 | u32 aslc_revision; /* ASL compiler revision number */ | |
62 | }; | |
63 | ||
d2628984 SG |
64 | struct acpi_gen_regaddr { |
65 | u8 space_id; /* Address space ID */ | |
66 | u8 bit_width; /* Register size in bits */ | |
67 | u8 bit_offset; /* Register bit offset */ | |
68 | u8 access_size; /* Access size */ | |
69 | u32 addrl; /* Register address, low 32 bits */ | |
70 | u32 addrh; /* Register address, high 32 bits */ | |
71 | }; | |
72 | ||
776cc201 SG |
73 | /* A maximum number of 32 ACPI tables ought to be enough for now */ |
74 | #define MAX_ACPI_TABLES 32 | |
75 | ||
76 | /* RSDT (Root System Description Table) */ | |
77 | struct acpi_rsdt { | |
78 | struct acpi_table_header header; | |
79 | u32 entry[MAX_ACPI_TABLES]; | |
80 | }; | |
81 | ||
82 | /* XSDT (Extended System Description Table) */ | |
83 | struct acpi_xsdt { | |
84 | struct acpi_table_header header; | |
85 | u64 entry[MAX_ACPI_TABLES]; | |
86 | }; | |
87 | ||
d2628984 SG |
88 | /* HPET timers */ |
89 | struct __packed acpi_hpet { | |
90 | struct acpi_table_header header; | |
91 | u32 id; | |
92 | struct acpi_gen_regaddr addr; | |
93 | u8 number; | |
94 | u16 min_tick; | |
95 | u8 attributes; | |
96 | }; | |
97 | ||
9179c357 SG |
98 | struct __packed acpi_tpm2 { |
99 | struct acpi_table_header header; | |
100 | u16 platform_class; | |
101 | u8 reserved[2]; | |
102 | u64 control_area; | |
103 | u32 start_method; | |
104 | u8 msp[12]; | |
105 | u32 laml; | |
106 | u64 lasa; | |
107 | }; | |
108 | ||
77bb1c69 SG |
109 | struct __packed acpi_tcpa { |
110 | struct acpi_table_header header; | |
111 | u16 platform_class; | |
112 | u32 laml; | |
113 | u64 lasa; | |
114 | }; | |
115 | ||
776cc201 SG |
116 | /* FADT Preferred Power Management Profile */ |
117 | enum acpi_pm_profile { | |
118 | ACPI_PM_UNSPECIFIED = 0, | |
119 | ACPI_PM_DESKTOP, | |
120 | ACPI_PM_MOBILE, | |
121 | ACPI_PM_WORKSTATION, | |
122 | ACPI_PM_ENTERPRISE_SERVER, | |
123 | ACPI_PM_SOHO_SERVER, | |
124 | ACPI_PM_APPLIANCE_PC, | |
125 | ACPI_PM_PERFORMANCE_SERVER, | |
126 | ACPI_PM_TABLET | |
127 | }; | |
128 | ||
129 | /* FADT flags for p_lvl2_lat and p_lvl3_lat */ | |
130 | #define ACPI_FADT_C2_NOT_SUPPORTED 101 | |
131 | #define ACPI_FADT_C3_NOT_SUPPORTED 1001 | |
132 | ||
133 | /* FADT Boot Architecture Flags */ | |
134 | #define ACPI_FADT_LEGACY_FREE 0x00 | |
135 | #define ACPI_FADT_LEGACY_DEVICES BIT(0) | |
136 | #define ACPI_FADT_8042 BIT(1) | |
137 | #define ACPI_FADT_VGA_NOT_PRESENT BIT(2) | |
138 | #define ACPI_FADT_MSI_NOT_SUPPORTED BIT(3) | |
139 | #define ACPI_FADT_NO_PCIE_ASPM_CONTROL BIT(4) | |
140 | ||
141 | /* FADT Feature Flags */ | |
142 | #define ACPI_FADT_WBINVD BIT(0) | |
143 | #define ACPI_FADT_WBINVD_FLUSH BIT(1) | |
144 | #define ACPI_FADT_C1_SUPPORTED BIT(2) | |
145 | #define ACPI_FADT_C2_MP_SUPPORTED BIT(3) | |
146 | #define ACPI_FADT_POWER_BUTTON BIT(4) | |
147 | #define ACPI_FADT_SLEEP_BUTTON BIT(5) | |
148 | #define ACPI_FADT_FIXED_RTC BIT(6) | |
149 | #define ACPI_FADT_S4_RTC_WAKE BIT(7) | |
150 | #define ACPI_FADT_32BIT_TIMER BIT(8) | |
151 | #define ACPI_FADT_DOCKING_SUPPORTED BIT(9) | |
152 | #define ACPI_FADT_RESET_REGISTER BIT(10) | |
153 | #define ACPI_FADT_SEALED_CASE BIT(11) | |
154 | #define ACPI_FADT_HEADLESS BIT(12) | |
155 | #define ACPI_FADT_SLEEP_TYPE BIT(13) | |
156 | #define ACPI_FADT_PCI_EXPRESS_WAKE BIT(14) | |
157 | #define ACPI_FADT_PLATFORM_CLOCK BIT(15) | |
158 | #define ACPI_FADT_S4_RTC_VALID BIT(16) | |
159 | #define ACPI_FADT_REMOTE_POWER_ON BIT(17) | |
160 | #define ACPI_FADT_APIC_CLUSTER BIT(18) | |
161 | #define ACPI_FADT_APIC_PHYSICAL BIT(19) | |
162 | #define ACPI_FADT_HW_REDUCED_ACPI BIT(20) | |
163 | #define ACPI_FADT_LOW_PWR_IDLE_S0 BIT(21) | |
164 | ||
165 | enum acpi_address_space_type { | |
166 | ACPI_ADDRESS_SPACE_MEMORY = 0, /* System memory */ | |
167 | ACPI_ADDRESS_SPACE_IO, /* System I/O */ | |
168 | ACPI_ADDRESS_SPACE_PCI, /* PCI config space */ | |
169 | ACPI_ADDRESS_SPACE_EC, /* Embedded controller */ | |
170 | ACPI_ADDRESS_SPACE_SMBUS, /* SMBus */ | |
171 | ACPI_ADDRESS_SPACE_PCC = 0x0a, /* Platform Comm. Channel */ | |
172 | ACPI_ADDRESS_SPACE_FIXED = 0x7f /* Functional fixed hardware */ | |
173 | }; | |
174 | ||
175 | enum acpi_address_space_size { | |
176 | ACPI_ACCESS_SIZE_UNDEFINED = 0, | |
177 | ACPI_ACCESS_SIZE_BYTE_ACCESS, | |
178 | ACPI_ACCESS_SIZE_WORD_ACCESS, | |
179 | ACPI_ACCESS_SIZE_DWORD_ACCESS, | |
180 | ACPI_ACCESS_SIZE_QWORD_ACCESS | |
181 | }; | |
182 | ||
776cc201 SG |
183 | /* FADT (Fixed ACPI Description Table) */ |
184 | struct __packed acpi_fadt { | |
185 | struct acpi_table_header header; | |
186 | u32 firmware_ctrl; | |
187 | u32 dsdt; | |
188 | u8 res1; | |
189 | u8 preferred_pm_profile; | |
190 | u16 sci_int; | |
191 | u32 smi_cmd; | |
192 | u8 acpi_enable; | |
193 | u8 acpi_disable; | |
194 | u8 s4bios_req; | |
195 | u8 pstate_cnt; | |
196 | u32 pm1a_evt_blk; | |
197 | u32 pm1b_evt_blk; | |
198 | u32 pm1a_cnt_blk; | |
199 | u32 pm1b_cnt_blk; | |
200 | u32 pm2_cnt_blk; | |
201 | u32 pm_tmr_blk; | |
202 | u32 gpe0_blk; | |
203 | u32 gpe1_blk; | |
204 | u8 pm1_evt_len; | |
205 | u8 pm1_cnt_len; | |
206 | u8 pm2_cnt_len; | |
207 | u8 pm_tmr_len; | |
208 | u8 gpe0_blk_len; | |
209 | u8 gpe1_blk_len; | |
210 | u8 gpe1_base; | |
211 | u8 cst_cnt; | |
212 | u16 p_lvl2_lat; | |
213 | u16 p_lvl3_lat; | |
214 | u16 flush_size; | |
215 | u16 flush_stride; | |
216 | u8 duty_offset; | |
217 | u8 duty_width; | |
218 | u8 day_alrm; | |
219 | u8 mon_alrm; | |
220 | u8 century; | |
221 | u16 iapc_boot_arch; | |
222 | u8 res2; | |
223 | u32 flags; | |
224 | struct acpi_gen_regaddr reset_reg; | |
225 | u8 reset_value; | |
226 | u16 arm_boot_arch; | |
227 | u8 minor_revision; | |
228 | u32 x_firmware_ctl_l; | |
229 | u32 x_firmware_ctl_h; | |
230 | u32 x_dsdt_l; | |
231 | u32 x_dsdt_h; | |
232 | struct acpi_gen_regaddr x_pm1a_evt_blk; | |
233 | struct acpi_gen_regaddr x_pm1b_evt_blk; | |
234 | struct acpi_gen_regaddr x_pm1a_cnt_blk; | |
235 | struct acpi_gen_regaddr x_pm1b_cnt_blk; | |
236 | struct acpi_gen_regaddr x_pm2_cnt_blk; | |
237 | struct acpi_gen_regaddr x_pm_tmr_blk; | |
238 | struct acpi_gen_regaddr x_gpe0_blk; | |
239 | struct acpi_gen_regaddr x_gpe1_blk; | |
240 | }; | |
241 | ||
91fe8b79 SG |
242 | /* FADT TABLE Revision values - note these do not match the ACPI revision */ |
243 | #define ACPI_FADT_REV_ACPI_1_0 1 | |
244 | #define ACPI_FADT_REV_ACPI_2_0 3 | |
245 | #define ACPI_FADT_REV_ACPI_3_0 4 | |
246 | #define ACPI_FADT_REV_ACPI_4_0 4 | |
247 | #define ACPI_FADT_REV_ACPI_5_0 5 | |
248 | #define ACPI_FADT_REV_ACPI_6_0 6 | |
249 | ||
250 | /* MADT TABLE Revision values - note these do not match the ACPI revision */ | |
251 | #define ACPI_MADT_REV_ACPI_3_0 2 | |
252 | #define ACPI_MADT_REV_ACPI_4_0 3 | |
253 | #define ACPI_MADT_REV_ACPI_5_0 3 | |
254 | #define ACPI_MADT_REV_ACPI_6_0 5 | |
255 | ||
256 | #define ACPI_MCFG_REV_ACPI_3_0 1 | |
257 | ||
258 | /* IVRS Revision Field */ | |
259 | #define IVRS_FORMAT_FIXED 0x01 /* Type 10h & 11h only */ | |
260 | #define IVRS_FORMAT_MIXED 0x02 /* Type 10h, 11h, & 40h */ | |
261 | ||
776cc201 SG |
262 | /* FACS flags */ |
263 | #define ACPI_FACS_S4BIOS_F BIT(0) | |
264 | #define ACPI_FACS_64BIT_WAKE_F BIT(1) | |
265 | ||
266 | /* FACS (Firmware ACPI Control Structure) */ | |
267 | struct acpi_facs { | |
2a2ebf88 | 268 | char signature[ACPI_NAME_LEN]; /* "FACS" */ |
776cc201 SG |
269 | u32 length; /* Length in bytes (>= 64) */ |
270 | u32 hardware_signature; /* Hardware signature */ | |
271 | u32 firmware_waking_vector; /* Firmware waking vector */ | |
272 | u32 global_lock; /* Global lock */ | |
273 | u32 flags; /* FACS flags */ | |
274 | u32 x_firmware_waking_vector_l; /* X FW waking vector, low */ | |
275 | u32 x_firmware_waking_vector_h; /* X FW waking vector, high */ | |
276 | u8 version; /* Version 2 */ | |
277 | u8 res1[3]; | |
278 | u32 ospm_flags; /* OSPM enabled flags */ | |
279 | u8 res2[24]; | |
280 | }; | |
281 | ||
282 | /* MADT flags */ | |
283 | #define ACPI_MADT_PCAT_COMPAT BIT(0) | |
284 | ||
285 | /* MADT (Multiple APIC Description Table) */ | |
286 | struct acpi_madt { | |
287 | struct acpi_table_header header; | |
288 | u32 lapic_addr; /* Local APIC address */ | |
289 | u32 flags; /* Multiple APIC flags */ | |
290 | }; | |
291 | ||
292 | /* MADT: APIC Structure Type*/ | |
293 | enum acpi_apic_types { | |
294 | ACPI_APIC_LAPIC = 0, /* Processor local APIC */ | |
295 | ACPI_APIC_IOAPIC, /* I/O APIC */ | |
296 | ACPI_APIC_IRQ_SRC_OVERRIDE, /* Interrupt source override */ | |
297 | ACPI_APIC_NMI_SRC, /* NMI source */ | |
298 | ACPI_APIC_LAPIC_NMI, /* Local APIC NMI */ | |
299 | ACPI_APIC_LAPIC_ADDR_OVERRIDE, /* Local APIC address override */ | |
300 | ACPI_APIC_IOSAPIC, /* I/O SAPIC */ | |
301 | ACPI_APIC_LSAPIC, /* Local SAPIC */ | |
302 | ACPI_APIC_PLATFORM_IRQ_SRC, /* Platform interrupt sources */ | |
303 | ACPI_APIC_LX2APIC, /* Processor local x2APIC */ | |
304 | ACPI_APIC_LX2APIC_NMI, /* Local x2APIC NMI */ | |
305 | }; | |
306 | ||
307 | /* MADT: Processor Local APIC Structure */ | |
308 | ||
309 | #define LOCAL_APIC_FLAG_ENABLED BIT(0) | |
310 | ||
311 | struct acpi_madt_lapic { | |
312 | u8 type; /* Type (0) */ | |
313 | u8 length; /* Length in bytes (8) */ | |
314 | u8 processor_id; /* ACPI processor ID */ | |
315 | u8 apic_id; /* Local APIC ID */ | |
316 | u32 flags; /* Local APIC flags */ | |
317 | }; | |
318 | ||
319 | /* MADT: I/O APIC Structure */ | |
320 | struct acpi_madt_ioapic { | |
321 | u8 type; /* Type (1) */ | |
322 | u8 length; /* Length in bytes (12) */ | |
323 | u8 ioapic_id; /* I/O APIC ID */ | |
324 | u8 reserved; | |
325 | u32 ioapic_addr; /* I/O APIC address */ | |
326 | u32 gsi_base; /* Global system interrupt base */ | |
327 | }; | |
328 | ||
329 | /* MADT: Interrupt Source Override Structure */ | |
330 | struct __packed acpi_madt_irqoverride { | |
331 | u8 type; /* Type (2) */ | |
332 | u8 length; /* Length in bytes (10) */ | |
333 | u8 bus; /* ISA (0) */ | |
334 | u8 source; /* Bus-relative int. source (IRQ) */ | |
335 | u32 gsirq; /* Global system interrupt */ | |
336 | u16 flags; /* MPS INTI flags */ | |
337 | }; | |
338 | ||
339 | /* MADT: Local APIC NMI Structure */ | |
340 | struct __packed acpi_madt_lapic_nmi { | |
341 | u8 type; /* Type (4) */ | |
342 | u8 length; /* Length in bytes (6) */ | |
343 | u8 processor_id; /* ACPI processor ID */ | |
344 | u16 flags; /* MPS INTI flags */ | |
345 | u8 lint; /* Local APIC LINT# */ | |
346 | }; | |
347 | ||
348 | /* MCFG (PCI Express MMIO config space BAR description table) */ | |
349 | struct acpi_mcfg { | |
350 | struct acpi_table_header header; | |
351 | u8 reserved[8]; | |
352 | }; | |
353 | ||
354 | struct acpi_mcfg_mmconfig { | |
355 | u32 base_address_l; | |
356 | u32 base_address_h; | |
357 | u16 pci_segment_group_number; | |
358 | u8 start_bus_number; | |
359 | u8 end_bus_number; | |
360 | u8 reserved[4]; | |
361 | }; | |
362 | ||
363 | /* PM1_CNT bit defines */ | |
364 | #define PM1_CNT_SCI_EN BIT(0) | |
365 | ||
366 | /* ACPI global NVS structure */ | |
367 | struct acpi_global_nvs; | |
368 | ||
369 | /* CSRT (Core System Resource Table) */ | |
370 | struct acpi_csrt { | |
371 | struct acpi_table_header header; | |
372 | }; | |
373 | ||
374 | struct acpi_csrt_group { | |
375 | u32 length; | |
376 | u32 vendor_id; | |
377 | u32 subvendor_id; | |
378 | u16 device_id; | |
379 | u16 subdevice_id; | |
380 | u16 revision; | |
381 | u16 reserved; | |
382 | u32 shared_info_length; | |
383 | }; | |
384 | ||
385 | struct acpi_csrt_shared_info { | |
386 | u16 major_version; | |
387 | u16 minor_version; | |
388 | u32 mmio_base_low; | |
389 | u32 mmio_base_high; | |
390 | u32 gsi_interrupt; | |
391 | u8 interrupt_polarity; | |
392 | u8 interrupt_mode; | |
393 | u8 num_channels; | |
394 | u8 dma_address_width; | |
395 | u16 base_request_line; | |
396 | u16 num_handshake_signals; | |
397 | u32 max_block_size; | |
398 | }; | |
399 | ||
540f0bae SG |
400 | /* Port types for ACPI _UPC object */ |
401 | enum acpi_upc_type { | |
402 | UPC_TYPE_A, | |
403 | UPC_TYPE_MINI_AB, | |
404 | UPC_TYPE_EXPRESSCARD, | |
405 | UPC_TYPE_USB3_A, | |
406 | UPC_TYPE_USB3_B, | |
407 | UPC_TYPE_USB3_MICRO_B, | |
408 | UPC_TYPE_USB3_MICRO_AB, | |
409 | UPC_TYPE_USB3_POWER_B, | |
410 | UPC_TYPE_C_USB2_ONLY, | |
411 | UPC_TYPE_C_USB2_SS_SWITCH, | |
412 | UPC_TYPE_C_USB2_SS, | |
413 | UPC_TYPE_PROPRIETARY = 0xff, | |
414 | /* | |
415 | * The following types are not directly defined in the ACPI | |
416 | * spec but are used by coreboot to identify a USB device type. | |
417 | */ | |
418 | UPC_TYPE_INTERNAL = 0xff, | |
419 | UPC_TYPE_UNUSED, | |
420 | UPC_TYPE_HUB | |
421 | }; | |
422 | ||
423 | enum dev_scope_type { | |
424 | SCOPE_PCI_ENDPOINT = 1, | |
425 | SCOPE_PCI_SUB = 2, | |
426 | SCOPE_IOAPIC = 3, | |
427 | SCOPE_MSI_HPET = 4, | |
428 | SCOPE_ACPI_NAMESPACE_DEVICE = 5 | |
429 | }; | |
430 | ||
431 | struct __packed dev_scope { | |
432 | u8 type; | |
433 | u8 length; | |
434 | u8 reserved[2]; | |
435 | u8 enumeration; | |
436 | u8 start_bus; | |
437 | struct { | |
438 | u8 dev; | |
439 | u8 fn; | |
440 | } __packed path[0]; | |
441 | }; | |
442 | ||
bfeb5d46 SG |
443 | enum dmar_type { |
444 | DMAR_DRHD = 0, | |
445 | DMAR_RMRR = 1, | |
446 | DMAR_ATSR = 2, | |
447 | DMAR_RHSA = 3, | |
448 | DMAR_ANDD = 4 | |
449 | }; | |
450 | ||
451 | enum { | |
452 | DRHD_INCLUDE_PCI_ALL = BIT(0) | |
453 | }; | |
454 | ||
455 | enum dmar_flags { | |
456 | DMAR_INTR_REMAP = BIT(0), | |
457 | DMAR_X2APIC_OPT_OUT = BIT(1), | |
458 | DMAR_CTRL_PLATFORM_OPT_IN_FLAG = BIT(2), | |
459 | }; | |
460 | ||
461 | struct dmar_entry { | |
462 | u16 type; | |
463 | u16 length; | |
464 | u8 flags; | |
465 | u8 reserved; | |
466 | u16 segment; | |
467 | u64 bar; | |
468 | }; | |
469 | ||
470 | struct dmar_rmrr_entry { | |
471 | u16 type; | |
472 | u16 length; | |
473 | u16 reserved; | |
474 | u16 segment; | |
475 | u64 bar; | |
476 | u64 limit; | |
477 | }; | |
478 | ||
479 | /* DMAR (DMA Remapping Reporting Structure) */ | |
480 | struct __packed acpi_dmar { | |
481 | struct acpi_table_header header; | |
482 | u8 host_address_width; | |
483 | u8 flags; | |
484 | u8 reserved[10]; | |
485 | struct dmar_entry structure[0]; | |
486 | }; | |
487 | ||
776cc201 SG |
488 | /* DBG2 definitions are partially used for SPCR interface_type */ |
489 | ||
490 | /* Types for port_type field */ | |
491 | ||
492 | #define ACPI_DBG2_SERIAL_PORT 0x8000 | |
493 | #define ACPI_DBG2_1394_PORT 0x8001 | |
494 | #define ACPI_DBG2_USB_PORT 0x8002 | |
495 | #define ACPI_DBG2_NET_PORT 0x8003 | |
496 | ||
497 | /* Subtypes for port_subtype field */ | |
498 | ||
499 | #define ACPI_DBG2_16550_COMPATIBLE 0x0000 | |
500 | #define ACPI_DBG2_16550_SUBSET 0x0001 | |
501 | #define ACPI_DBG2_ARM_PL011 0x0003 | |
502 | #define ACPI_DBG2_ARM_SBSA_32BIT 0x000D | |
503 | #define ACPI_DBG2_ARM_SBSA_GENERIC 0x000E | |
504 | #define ACPI_DBG2_ARM_DCC 0x000F | |
505 | #define ACPI_DBG2_BCM2835 0x0010 | |
506 | ||
507 | #define ACPI_DBG2_1394_STANDARD 0x0000 | |
508 | ||
509 | #define ACPI_DBG2_USB_XHCI 0x0000 | |
510 | #define ACPI_DBG2_USB_EHCI 0x0001 | |
511 | ||
512 | #define ACPI_DBG2_UNKNOWN 0x00FF | |
513 | ||
f37979e7 SG |
514 | /* DBG2: Microsoft Debug Port Table 2 header */ |
515 | struct __packed acpi_dbg2_header { | |
516 | struct acpi_table_header header; | |
517 | u32 devices_offset; | |
518 | u32 devices_count; | |
519 | }; | |
520 | ||
521 | /* DBG2: Microsoft Debug Port Table 2 device entry */ | |
522 | struct __packed acpi_dbg2_device { | |
523 | u8 revision; | |
524 | u16 length; | |
525 | u8 address_count; | |
526 | u16 namespace_string_length; | |
527 | u16 namespace_string_offset; | |
528 | u16 oem_data_length; | |
529 | u16 oem_data_offset; | |
530 | u16 port_type; | |
531 | u16 port_subtype; | |
532 | u8 reserved[2]; | |
533 | u16 base_address_offset; | |
534 | u16 address_size_offset; | |
535 | }; | |
536 | ||
776cc201 SG |
537 | /* SPCR (Serial Port Console Redirection table) */ |
538 | struct __packed acpi_spcr { | |
539 | struct acpi_table_header header; | |
540 | u8 interface_type; | |
541 | u8 reserved[3]; | |
542 | struct acpi_gen_regaddr serial_port; | |
543 | u8 interrupt_type; | |
544 | u8 pc_interrupt; | |
545 | u32 interrupt; /* Global system interrupt */ | |
546 | u8 baud_rate; | |
547 | u8 parity; | |
548 | u8 stop_bits; | |
549 | u8 flow_control; | |
550 | u8 terminal_type; | |
551 | u8 reserved1; | |
552 | u16 pci_device_id; /* Must be 0xffff if not PCI device */ | |
553 | u16 pci_vendor_id; /* Must be 0xffff if not PCI device */ | |
554 | u8 pci_bus; | |
555 | u8 pci_device; | |
556 | u8 pci_function; | |
557 | u32 pci_flags; | |
558 | u8 pci_segment; | |
559 | u32 reserved2; | |
560 | }; | |
561 | ||
91fe8b79 SG |
562 | /* Tables defined/reserved by ACPI and generated by U-Boot */ |
563 | enum acpi_tables { | |
564 | ACPITAB_BERT, | |
565 | ACPITAB_DBG2, | |
566 | ACPITAB_DMAR, | |
567 | ACPITAB_DSDT, | |
568 | ACPITAB_ECDT, | |
569 | ACPITAB_FACS, | |
570 | ACPITAB_FADT, | |
571 | ACPITAB_HEST, | |
572 | ACPITAB_HPET, | |
573 | ACPITAB_IVRS, | |
574 | ACPITAB_MADT, | |
575 | ACPITAB_MCFG, | |
576 | ACPITAB_NHLT, | |
577 | ACPITAB_RSDP, | |
578 | ACPITAB_RSDT, | |
579 | ACPITAB_SLIT, | |
580 | ACPITAB_SPCR, | |
581 | ACPITAB_SPMI, | |
582 | ACPITAB_SRAT, | |
583 | ACPITAB_SSDT, | |
584 | ACPITAB_TCPA, | |
585 | ACPITAB_TPM2, | |
586 | ACPITAB_VFCT, | |
587 | ACPITAB_XSDT, | |
588 | ||
589 | ACPITAB_COUNT, | |
590 | }; | |
591 | ||
592 | /** | |
593 | * acpi_get_table_revision() - Get the revision number generated for a table | |
594 | * | |
595 | * This keeps the version-number information in one place | |
596 | * | |
597 | * @table: ACPI table to check | |
185f812c | 598 | * Return: version number that U-Boot generates |
91fe8b79 SG |
599 | */ |
600 | int acpi_get_table_revision(enum acpi_tables table); | |
601 | ||
bfeb5d46 SG |
602 | /** |
603 | * acpi_create_dmar() - Create a DMA Remapping Reporting (DMAR) table | |
604 | * | |
605 | * @dmar: Place to put the table | |
606 | * @flags: DMAR flags to use | |
185f812c | 607 | * Return: 0 if OK, -ve on error |
bfeb5d46 SG |
608 | */ |
609 | int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags); | |
610 | ||
f37979e7 SG |
611 | /** |
612 | * acpi_create_dbg2() - Create a DBG2 table | |
613 | * | |
614 | * This table describes how to access the debug UART | |
615 | * | |
616 | * @dbg2: Place to put information | |
617 | * @port_type: Serial port type (see ACPI_DBG2_...) | |
618 | * @port_subtype: Serial port sub-type (see ACPI_DBG2_...) | |
619 | * @address: ACPI address of port | |
620 | * @address_size: Size of address space | |
621 | * @device_path: Path of device (created using acpi_device_path()) | |
622 | */ | |
623 | void acpi_create_dbg2(struct acpi_dbg2_header *dbg2, | |
624 | int port_type, int port_subtype, | |
625 | struct acpi_gen_regaddr *address, uint32_t address_size, | |
626 | const char *device_path); | |
627 | ||
93f7f827 SG |
628 | /** |
629 | * acpi_fill_header() - Set up a new table header | |
630 | * | |
631 | * This sets all fields except length, revision, checksum and aslc_revision | |
632 | * | |
633 | * @header: ACPI header to update | |
634 | * @signature: Table signature to use (4 characters) | |
635 | */ | |
636 | void acpi_fill_header(struct acpi_table_header *header, char *signature); | |
637 | ||
86e1778d SG |
638 | /** |
639 | * acpi_align() - Align the ACPI output pointer to a 16-byte boundary | |
640 | * | |
641 | * @ctx: ACPI context | |
642 | */ | |
643 | void acpi_align(struct acpi_ctx *ctx); | |
644 | ||
645 | /** | |
646 | * acpi_align64() - Align the ACPI output pointer to a 64-byte boundary | |
647 | * | |
648 | * @ctx: ACPI context | |
649 | */ | |
650 | void acpi_align64(struct acpi_ctx *ctx); | |
651 | ||
652 | /** | |
653 | * acpi_inc() - Increment the ACPI output pointer by a bit | |
654 | * | |
655 | * The pointer is NOT aligned afterwards. | |
656 | * | |
657 | * @ctx: ACPI context | |
658 | * @amount: Amount to increment by | |
659 | */ | |
660 | void acpi_inc(struct acpi_ctx *ctx, uint amount); | |
661 | ||
662 | /** | |
663 | * acpi_inc_align() - Increment the ACPI output pointer by a bit and align | |
664 | * | |
665 | * The pointer is aligned afterwards to a 16-byte boundary | |
666 | * | |
667 | * @ctx: ACPI context | |
668 | * @amount: Amount to increment by | |
669 | */ | |
670 | void acpi_inc_align(struct acpi_ctx *ctx, uint amount); | |
671 | ||
29b35112 SG |
672 | /** |
673 | * acpi_add_table() - Add a new table to the RSDP and XSDT | |
674 | * | |
675 | * @ctx: ACPI context | |
676 | * @table: Table to add | |
185f812c | 677 | * Return: 0 if OK, -E2BIG if too many tables |
29b35112 SG |
678 | */ |
679 | int acpi_add_table(struct acpi_ctx *ctx, void *table); | |
680 | ||
d2cb7a22 SG |
681 | /** |
682 | * acpi_write_rsdp() - Write out an RSDP indicating where the ACPI tables are | |
683 | * | |
684 | * @rsdp: Address to write RSDP | |
685 | * @rsdt: Address of RSDT | |
686 | * @xsdt: Address of XSDT | |
687 | */ | |
688 | void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt, | |
689 | struct acpi_xsdt *xsdt); | |
690 | ||
383bf1bc SG |
691 | /** |
692 | * acpi_fill_header() - Set up a table header | |
693 | * | |
694 | * @header: Pointer to header to set up | |
695 | * @signature: 4-character signature to use (e.g. "FACS") | |
696 | */ | |
697 | void acpi_fill_header(struct acpi_table_header *header, char *signature); | |
698 | ||
78031ad4 SG |
699 | /** |
700 | * acpi_fill_csrt() - Fill out the body of the CSRT | |
701 | * | |
702 | * This should write the contents of the Core System Resource Table (CSRT) | |
703 | * to the context. The header (struct acpi_table_header) has already been | |
704 | * written. | |
705 | * | |
706 | * @ctx: ACPI context to write to | |
707 | * @return 0 if OK, -ve on error | |
708 | */ | |
709 | int acpi_fill_csrt(struct acpi_ctx *ctx); | |
710 | ||
89c2798f SG |
711 | #endif /* !__ACPI__*/ |
712 | ||
776cc201 SG |
713 | #include <asm/acpi_table.h> |
714 | ||
715 | #endif /* __ACPI_TABLE_H__ */ |