2 * coreboot ACPI Support - headers and defines.
4 * written by Stefan Reinauer <stepan@coresystems.de>
5 * Copyright (C) 2004 SUSE LINUX AG
6 * Copyright (C) 2008-2009 coresystems GmbH
8 * The ACPI table structs are based on the Linux kernel sources.
9 * ACPI FADT & FACS added by Nick Barker <nick.barker9@btinternet.com>
10 * those parts (C) 2004 Nick Barker
17 #if CONFIG_HAVE_ACPI_TABLES==1
21 #define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
22 #define ACPI_TABLE_CREATOR "COREBOOT"
23 #define OEM_ID "CORE "
26 /* ACPI 3.0 table RSDP */
28 typedef struct acpi_rsdp {
29 char signature[8]; /* RSDP signature "RSD PTR" */
30 u8 checksum; /* checksum of the first 20 bytes */
31 char oem_id[6]; /* OEM ID, "LXBIOS" */
32 u8 revision; /* 0 for APCI 1.0, 2 for ACPI 2.0/3.0 */
33 u32 rsdt_address; /* physical address of RSDT */
34 u32 length; /* total length of RSDP (including extended part) */
35 u64 xsdt_address; /* physical address of XSDT */
36 u8 ext_checksum; /* chechsum of whole table */
38 } __attribute__((packed)) acpi_rsdp_t;
40 /* Generic Address Container */
42 typedef struct acpi_gen_regaddr {
49 } __attribute__ ((packed)) acpi_addr_t;
51 /* Generic ACPI Header, provided by (almost) all tables */
53 typedef struct acpi_table_header /* ACPI common table header */
55 char signature [4]; /* ACPI signature (4 ASCII characters) */\
56 u32 length; /* Length of table, in bytes, including header */\
57 u8 revision; /* ACPI Specification minor version # */\
58 u8 checksum; /* To make sum of entire table == 0 */\
59 char oem_id [6]; /* OEM identification */\
60 char oem_table_id [8]; /* OEM table identification */\
61 u32 oem_revision; /* OEM revision number */\
62 char asl_compiler_id [4]; /* ASL compiler vendor ID */\
63 u32 asl_compiler_revision; /* ASL compiler revision number */
64 } __attribute__ ((packed)) acpi_header_t;
66 /* FIXME: This is very fragile:
67 * MCONFIG, HPET, FADT, SRAT, SLIT, MADT(APIC), SSDT, SSDTX, and SSDT for CPU
71 #define MAX_ACPI_TABLES (7 + CONFIG_ACPI_SSDTX_NUM + CONFIG_MAX_CPUS)
74 typedef struct acpi_rsdt {
75 struct acpi_table_header header;
76 u32 entry[MAX_ACPI_TABLES];
77 } __attribute__ ((packed)) acpi_rsdt_t;
80 typedef struct acpi_xsdt {
81 struct acpi_table_header header;
82 u64 entry[MAX_ACPI_TABLES];
83 } __attribute__ ((packed)) acpi_xsdt_t;
86 typedef struct acpi_hpet {
87 struct acpi_table_header header;
89 struct acpi_gen_regaddr addr;
93 } __attribute__ ((packed)) acpi_hpet_t;
96 typedef struct acpi_mcfg {
97 struct acpi_table_header header;
99 } __attribute__ ((packed)) acpi_mcfg_t;
101 typedef struct acpi_mcfg_mmconfig {
104 u16 pci_segment_group_number;
108 } __attribute__ ((packed)) acpi_mcfg_mmconfig_t;
112 typedef struct acpi_srat {
113 struct acpi_table_header header;
116 /* followed by static resource allocation structure[n]*/
117 } __attribute__ ((packed)) acpi_srat_t;
120 typedef struct acpi_srat_lapic {
123 u8 proximity_domain_7_0;
125 u32 flags; /* enable bit 0 = 1, other bits reserved to 0 */
127 u8 proximity_domain_31_8[3];
129 } __attribute__ ((packed)) acpi_srat_lapic_t;
131 typedef struct acpi_srat_mem {
134 u32 proximity_domain;
136 u32 base_address_low;
137 u32 base_address_high;
141 u32 flags; /* enable bit 0, hot pluggable bit 1; Non Volatile bit 2, other bits reserved */
143 } __attribute__ ((packed)) acpi_srat_mem_t;
146 typedef struct acpi_slit {
147 struct acpi_table_header header;
148 /* followed by static resource allocation 8+byte[num*num]*/
149 } __attribute__ ((packed)) acpi_slit_t;
153 typedef struct acpi_madt {
154 struct acpi_table_header header;
157 } __attribute__ ((packed)) acpi_madt_t;
159 enum acpi_apic_types {
162 IRQSourceOverride = 2,
165 LApicAddressOverride = 5,
168 PlatformIRQSources = 8
171 typedef struct acpi_madt_lapic {
177 } __attribute__ ((packed)) acpi_madt_lapic_t;
179 typedef struct acpi_madt_lapic_nmi {
185 } __attribute__ ((packed)) acpi_madt_lapic_nmi_t;
188 typedef struct acpi_madt_ioapic {
195 } __attribute__ ((packed)) acpi_madt_ioapic_t;
197 typedef struct acpi_madt_irqoverride {
204 } __attribute__ ((packed)) acpi_madt_irqoverride_t;
208 typedef struct acpi_fadt {
209 struct acpi_table_header header;
213 u8 preferred_pm_profile;
248 struct acpi_gen_regaddr reset_reg;
253 u32 x_firmware_ctl_l;
254 u32 x_firmware_ctl_h;
257 struct acpi_gen_regaddr x_pm1a_evt_blk;
258 struct acpi_gen_regaddr x_pm1b_evt_blk;
259 struct acpi_gen_regaddr x_pm1a_cnt_blk;
260 struct acpi_gen_regaddr x_pm1b_cnt_blk;
261 struct acpi_gen_regaddr x_pm2_cnt_blk;
262 struct acpi_gen_regaddr x_pm_tmr_blk;
263 struct acpi_gen_regaddr x_gpe0_blk;
264 struct acpi_gen_regaddr x_gpe1_blk;
265 } __attribute__ ((packed)) acpi_fadt_t;
268 // FADT Feature Flags
270 #define ACPI_FADT_WBINVD (1 << 0)
271 #define ACPI_FADT_WBINVD_FLUSH (1 << 1)
272 #define ACPI_FADT_C1_SUPPORTED (1 << 2)
273 #define ACPI_FADT_C2_MP_SUPPORTED (1 << 3)
274 #define ACPI_FADT_POWER_BUTTON (1 << 4)
275 #define ACPI_FADT_SLEEP_BUTTON (1 << 5)
276 #define ACPI_FADT_FIXED_RTC (1 << 6)
277 #define ACPI_FADT_S4_RTC_WAKE (1 << 7)
278 #define ACPI_FADT_32BIT_TIMER (1 << 8)
279 #define ACPI_FADT_DOCKING_SUPPORTED (1 << 9)
280 #define ACPI_FADT_RESET_REGISTER (1 << 10)
281 #define ACPI_FADT_SEALED_CASE (1 << 11)
282 #define ACPI_FADT_HEADLESS (1 << 12)
283 #define ACPI_FADT_SLEEP_TYPE (1 << 13)
284 #define ACPI_FADT_PCI_EXPRESS_WAKE (1 << 14)
285 #define ACPI_FADT_PLATFORM_CLOCK (1 << 15)
286 #define ACPI_FADT_S4_RTC_VALID (1 << 16)
287 #define ACPI_FADT_REMOTE_POWER_ON (1 << 17)
288 #define ACPI_FADT_APIC_CLUSTER (1 << 18)
289 #define ACPI_FADT_APIC_PHYSICAL (1 << 19)
292 // FADT Boot Architecture Flags
294 #define ACPI_FADT_LEGACY_DEVICES (1 << 0)
295 #define ACPI_FADT_8042 (1 << 1)
296 #define ACPI_FADT_VGA_NOT_PRESENT (1 << 2)
297 #define ACPI_FADT_MSI_NOT_SUPPORTED (1 << 3)
298 #define ACPI_FADT_NO_PCIE_ASPM_CONTROL (1 << 4)
301 // FADT Preferred Power Management Profile
303 enum acpi_preferred_pm_profiles {
308 PM_ENTERPRISE_SERVER = 4,
311 PM_PERFORMANCE_SERVER = 7
315 typedef struct acpi_facs {
318 u32 hardware_signature;
319 u32 firmware_waking_vector;
322 u32 x_firmware_waking_vector_l;
323 u32 x_firmware_waking_vector_h;
326 } __attribute__ ((packed)) acpi_facs_t;
331 #define ACPI_FACS_S4BIOS_F (1 << 0)
333 /* These are implemented by the target port */
334 unsigned long write_acpi_tables(unsigned long addr);
335 unsigned long acpi_fill_madt(unsigned long current);
336 unsigned long acpi_fill_mcfg(unsigned long current);
337 unsigned long acpi_fill_srat(unsigned long current);
338 unsigned long acpi_fill_slit(unsigned long current);
339 unsigned long acpi_fill_ssdt_generator(unsigned long current, char *oem_table_id);
340 void acpi_create_ssdt_generator(acpi_header_t *ssdt, char *oem_table_id);
341 void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt);
343 /* These can be used by the target port */
344 u8 acpi_checksum(u8 *table, u32 length);
346 void acpi_add_table(acpi_rsdp_t *rsdp, void *table);
349 int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic);
350 int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base);
351 int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
352 u8 bus, u8 source, u32 gsirq, u16 flags);
353 int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
355 void acpi_create_madt(acpi_madt_t *madt);
356 unsigned long acpi_create_madt_lapics(unsigned long current);
357 unsigned long acpi_create_madt_lapic_nmis(unsigned long current, u16 flags, u8 lint);
360 int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic);
361 int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek,u32 sizek, u32 flags);
362 int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, u16 seg_nr, u8 start, u8 end);
363 unsigned long acpi_create_srat_lapics(unsigned long current);
364 void acpi_create_srat(acpi_srat_t *srat);
366 void acpi_create_slit(acpi_slit_t *slit);
368 void acpi_create_hpet(acpi_hpet_t *hpet);
370 void acpi_create_mcfg(acpi_mcfg_t *mcfg);
372 void acpi_create_facs(acpi_facs_t *facs);
374 void acpi_write_rsdt(acpi_rsdt_t *rsdt);
375 void acpi_write_xsdt(acpi_xsdt_t *xsdt);
376 void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt);
378 #if CONFIG_HAVE_ACPI_RESUME
379 /* 0 = S0, 1 = S1 ...*/
380 extern u8 acpi_slp_type;
382 void suspend_resume(void);
383 void *acpi_find_wakeup_vector(void);
384 void *acpi_get_wakeup_rsdp(void);
385 void acpi_jmp_to_realm_wakeup(u32 linear_addr);
386 void acpi_jump_to_wakeup(void *wakeup_addr);
388 int acpi_get_sleep_type(void);
392 unsigned long acpi_add_ssdt_pstates(acpi_rsdp_t *rsdp, unsigned long current);
394 #define ACPI_WRITE_MADT_IOAPIC(dev,id) \
396 struct resource *res; \
397 res = find_resource(dev, PCI_BASE_ADDRESS_0); \
399 current += acpi_create_madt_ioapic( \
400 (acpi_madt_ioapic_t *)current, \
401 id, res->base, gsi_base); \
405 #define IO_APIC_ADDR 0xfec00000UL
407 #else // CONFIG_HAVE_ACPI_TABLES
409 #define write_acpi_tables(start) (start)