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13#ifndef __ACPI_TABLE_H__
14#define __ACPI_TABLE_H__
15
16#include <dm/acpi.h>
17
18#define RSDP_SIG "RSD PTR "
19#define OEM_ID "U-BOOT"
20#define OEM_TABLE_ID "U-BOOTBL"
21#define ASLC_ID "INTL"
22
23
24#define ASL_REVISION 0
25
26#define ACPI_RSDP_REV_ACPI_1_0 0
27#define ACPI_RSDP_REV_ACPI_2_0 2
28
29#if !defined(__ACPI__)
30
31#include <linux/bitops.h>
32
33struct acpi_ctx;
34
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36
37
38
39struct acpi_rsdp {
40 char signature[8];
41 u8 checksum;
42 char oem_id[6];
43 u8 revision;
44 u32 rsdt_address;
45 u32 length;
46 u64 xsdt_address;
47 u8 ext_checksum;
48 u8 reserved[3];
49};
50
51
52struct __packed acpi_table_header {
53 char signature[ACPI_NAME_LEN];
54 u32 length;
55 u8 revision;
56 volatile u8 checksum;
57 char oem_id[6];
58 char oem_table_id[8];
59 u32 oem_revision;
60 char aslc_id[4];
61 u32 aslc_revision;
62};
63
64struct acpi_gen_regaddr {
65 u8 space_id;
66 u8 bit_width;
67 u8 bit_offset;
68 u8 access_size;
69 u32 addrl;
70 u32 addrh;
71};
72
73
74#define MAX_ACPI_TABLES 32
75
76
77struct acpi_rsdt {
78 struct acpi_table_header header;
79 u32 entry[MAX_ACPI_TABLES];
80};
81
82
83struct acpi_xsdt {
84 struct acpi_table_header header;
85 u64 entry[MAX_ACPI_TABLES];
86};
87
88
89struct __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
98struct __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
109struct __packed acpi_tcpa {
110 struct acpi_table_header header;
111 u16 platform_class;
112 u32 laml;
113 u64 lasa;
114};
115
116
117enum 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
130#define ACPI_FADT_C2_NOT_SUPPORTED 101
131#define ACPI_FADT_C3_NOT_SUPPORTED 1001
132
133
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
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
165enum acpi_address_space_type {
166 ACPI_ADDRESS_SPACE_MEMORY = 0,
167 ACPI_ADDRESS_SPACE_IO,
168 ACPI_ADDRESS_SPACE_PCI,
169 ACPI_ADDRESS_SPACE_EC,
170 ACPI_ADDRESS_SPACE_SMBUS,
171 ACPI_ADDRESS_SPACE_PCC = 0x0a,
172 ACPI_ADDRESS_SPACE_FIXED = 0x7f
173};
174
175enum 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
183
184struct __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
242
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
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
259#define IVRS_FORMAT_FIXED 0x01
260#define IVRS_FORMAT_MIXED 0x02
261
262
263#define ACPI_FACS_S4BIOS_F BIT(0)
264#define ACPI_FACS_64BIT_WAKE_F BIT(1)
265
266
267struct acpi_facs {
268 char signature[ACPI_NAME_LEN];
269 u32 length;
270 u32 hardware_signature;
271 u32 firmware_waking_vector;
272 u32 global_lock;
273 u32 flags;
274 u32 x_firmware_waking_vector_l;
275 u32 x_firmware_waking_vector_h;
276 u8 version;
277 u8 res1[3];
278 u32 ospm_flags;
279 u8 res2[24];
280};
281
282
283#define ACPI_MADT_PCAT_COMPAT BIT(0)
284
285
286struct acpi_madt {
287 struct acpi_table_header header;
288 u32 lapic_addr;
289 u32 flags;
290};
291
292
293enum acpi_apic_types {
294 ACPI_APIC_LAPIC = 0,
295 ACPI_APIC_IOAPIC,
296 ACPI_APIC_IRQ_SRC_OVERRIDE,
297 ACPI_APIC_NMI_SRC,
298 ACPI_APIC_LAPIC_NMI,
299 ACPI_APIC_LAPIC_ADDR_OVERRIDE,
300 ACPI_APIC_IOSAPIC,
301 ACPI_APIC_LSAPIC,
302 ACPI_APIC_PLATFORM_IRQ_SRC,
303 ACPI_APIC_LX2APIC,
304 ACPI_APIC_LX2APIC_NMI,
305};
306
307
308
309#define LOCAL_APIC_FLAG_ENABLED BIT(0)
310
311struct acpi_madt_lapic {
312 u8 type;
313 u8 length;
314 u8 processor_id;
315 u8 apic_id;
316 u32 flags;
317};
318
319
320struct acpi_madt_ioapic {
321 u8 type;
322 u8 length;
323 u8 ioapic_id;
324 u8 reserved;
325 u32 ioapic_addr;
326 u32 gsi_base;
327};
328
329
330struct __packed acpi_madt_irqoverride {
331 u8 type;
332 u8 length;
333 u8 bus;
334 u8 source;
335 u32 gsirq;
336 u16 flags;
337};
338
339
340struct __packed acpi_madt_lapic_nmi {
341 u8 type;
342 u8 length;
343 u8 processor_id;
344 u16 flags;
345 u8 lint;
346};
347
348
349struct acpi_mcfg {
350 struct acpi_table_header header;
351 u8 reserved[8];
352};
353
354struct 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
364#define PM1_CNT_SCI_EN BIT(0)
365
366
367struct acpi_global_nvs;
368
369
370struct acpi_csrt {
371 struct acpi_table_header header;
372};
373
374struct 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
385struct 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
400
401enum 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
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417
418 UPC_TYPE_INTERNAL = 0xff,
419 UPC_TYPE_UNUSED,
420 UPC_TYPE_HUB
421};
422
423enum 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
431struct __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
443enum dmar_type {
444 DMAR_DRHD = 0,
445 DMAR_RMRR = 1,
446 DMAR_ATSR = 2,
447 DMAR_RHSA = 3,
448 DMAR_ANDD = 4
449};
450
451enum {
452 DRHD_INCLUDE_PCI_ALL = BIT(0)
453};
454
455enum 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
461struct dmar_entry {
462 u16 type;
463 u16 length;
464 u8 flags;
465 u8 reserved;
466 u16 segment;
467 u64 bar;
468};
469
470struct dmar_rmrr_entry {
471 u16 type;
472 u16 length;
473 u16 reserved;
474 u16 segment;
475 u64 bar;
476 u64 limit;
477};
478
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480struct __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
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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
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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
514
515struct __packed acpi_dbg2_header {
516 struct acpi_table_header header;
517 u32 devices_offset;
518 u32 devices_count;
519};
520
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522struct __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
537
538struct __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;
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;
553 u16 pci_vendor_id;
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
562
563enum 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};
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600int acpi_get_table_revision(enum acpi_tables table);
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609int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags);
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623void 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);
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636void acpi_fill_header(struct acpi_table_header *header, char *signature);
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643void acpi_align(struct acpi_ctx *ctx);
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650void acpi_align64(struct acpi_ctx *ctx);
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660void acpi_inc(struct acpi_ctx *ctx, uint amount);
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670void acpi_inc_align(struct acpi_ctx *ctx, uint amount);
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679int acpi_add_table(struct acpi_ctx *ctx, void *table);
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689void acpi_setup_base_tables(struct acpi_ctx *ctx, void *start);
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698void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
699 struct acpi_xsdt *xsdt);
700
701#endif
702
703#include <asm/acpi_table.h>
704
705#endif
706