2 * coreboot ACPI Support - headers and defines.
4 * written by Stefan Reinauer <stepan@openbios.org>
5 * (C) 2004 SUSE LINUX AG
7 * The ACPI table structs are based on the Linux kernel sources.
10 /* ACPI FADT & FACS added by Nick Barker <nick.barker9@btinternet.com>
11 * those parts (C) 2004 Nick Barker
18 #if HAVE_ACPI_TABLES==1
22 #define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
23 #define RSDP_NAME "RSDP"
25 #define RSDT_NAME "RSDT"
26 #define HPET_NAME "HPET"
27 #define MADT_NAME "APIC"
28 #define MCFG_NAME "MCFG"
29 #define SRAT_NAME "SRAT"
30 #define SLIT_NAME "SLIT"
31 #define SSDT_NAME "SSDT"
33 #define RSDT_TABLE "RSDT "
34 #define HPET_TABLE "AMD64 "
35 #define MCFG_TABLE "MCFG "
36 #define MADT_TABLE "MADT "
37 #define SRAT_TABLE "SRAT "
38 #define SLIT_TABLE "SLIT "
40 #define OEM_ID "CORE "
43 /* ACPI 2.0 table RSDP */
45 typedef struct acpi_rsdp {
46 char signature[8]; /* RSDP signature "RSD PTR" */
47 u8 checksum; /* checksum of the first 20 bytes */
48 char oem_id[6]; /* OEM ID, "LXBIOS" */
49 u8 revision; /* 0 for APCI 1.0, 2 for ACPI 2.0 */
50 u32 rsdt_address; /* physical address of RSDT */
51 u32 length; /* total length of RSDP (including extended part) */
52 u64 xsdt_address; /* physical address of XSDT */
53 u8 ext_checksum; /* chechsum of whole table */
55 } __attribute__((packed)) acpi_rsdp_t;
57 /* Generic Address Container */
59 typedef struct acpi_gen_regaddr {
66 } __attribute__ ((packed)) acpi_addr_t;
68 /* Generic ACPI Header, provided by (almost) all tables */
70 typedef struct acpi_table_header /* ACPI common table header */
72 char signature [4]; /* ACPI signature (4 ASCII characters) */\
73 u32 length; /* Length of table, in bytes, including header */\
74 u8 revision; /* ACPI Specification minor version # */\
75 u8 checksum; /* To make sum of entire table == 0 */\
76 char oem_id [6]; /* OEM identification */\
77 char oem_table_id [8]; /* OEM table identification */\
78 u32 oem_revision; /* OEM revision number */\
79 char asl_compiler_id [4]; /* ASL compiler vendor ID */\
80 u32 asl_compiler_revision; /* ASL compiler revision number */
81 } __attribute__ ((packed)) acpi_header_t;
84 typedef struct acpi_rsdt {
85 struct acpi_table_header header;
86 u32 entry[7+ACPI_SSDTX_NUM+CONFIG_MAX_CPUS]; /* MCONFIG, HPET, FADT, SRAT, SLIT, MADT(APIC), SSDT, SSDTX, and SSDT for CPU pstate*/
87 } __attribute__ ((packed)) acpi_rsdt_t;
90 typedef struct acpi_xsdt {
91 struct acpi_table_header header;
92 u64 entry[6+ACPI_SSDTX_NUM];
93 } __attribute__ ((packed)) acpi_xsdt_t;
96 typedef struct acpi_hpet {
97 struct acpi_table_header header;
99 struct acpi_gen_regaddr addr;
103 } __attribute__ ((packed)) acpi_hpet_t;
105 /* MCFG taken from include/linux/acpi.h */
106 typedef struct acpi_mcfg {
107 struct acpi_table_header header;
109 } __attribute__ ((packed)) acpi_mcfg_t;
111 typedef struct acpi_mcfg_mmconfig {
114 u16 pci_segment_group_number;
118 } __attribute__ ((packed)) acpi_mcfg_mmconfig_t;
122 typedef struct acpi_srat {
123 struct acpi_table_header header;
126 /* followed by static resource allocation structure[n]*/
127 } __attribute__ ((packed)) acpi_srat_t;
130 typedef struct acpi_srat_lapic {
133 u8 proximity_domain_7_0;
135 u32 flags; /* enable bit 0 = 1, other bits reserved to 0 */
137 u8 proximity_domain_31_8[3];
139 } __attribute__ ((packed)) acpi_srat_lapic_t;
141 typedef struct acpi_srat_mem {
144 u32 proximity_domain;
146 u32 base_address_low;
147 u32 base_address_high;
151 u32 flags; /* enable bit 0, hot pluggable bit 1; Non Volatile bit 2, other bits reserved */
153 } __attribute__ ((packed)) acpi_srat_mem_t;
156 typedef struct acpi_slit {
157 struct acpi_table_header header;
158 /* followed by static resource allocation 8+byte[num*num]*/
159 } __attribute__ ((packed)) acpi_slit_t;
163 typedef struct acpi_madt {
164 struct acpi_table_header header;
167 } __attribute__ ((packed)) acpi_madt_t;
169 enum acpi_apic_types {
172 IRQSourceOverride = 2,
175 LApicAddressOverride = 5,
178 PlatformIRQSources = 8
181 typedef struct acpi_madt_lapic {
187 } __attribute__ ((packed)) acpi_madt_lapic_t;
189 typedef struct acpi_madt_lapic_nmi {
195 } __attribute__ ((packed)) acpi_madt_lapic_nmi_t;
198 typedef struct acpi_madt_ioapic {
205 } __attribute__ ((packed)) acpi_madt_ioapic_t;
207 typedef struct acpi_madt_irqoverride {
214 } __attribute__ ((packed)) acpi_madt_irqoverride_t;
218 typedef struct acpi_fadt {
219 struct acpi_table_header header;
223 u8 preferred_pm_profile;
258 struct acpi_gen_regaddr reset_reg;
263 u32 x_firmware_ctl_l;
264 u32 x_firmware_ctl_h;
267 struct acpi_gen_regaddr x_pm1a_evt_blk;
268 struct acpi_gen_regaddr x_pm1b_evt_blk;
269 struct acpi_gen_regaddr x_pm1a_cnt_blk;
270 struct acpi_gen_regaddr x_pm1b_cnt_blk;
271 struct acpi_gen_regaddr x_pm2_cnt_blk;
272 struct acpi_gen_regaddr x_pm_tmr_blk;
273 struct acpi_gen_regaddr x_gpe0_blk;
274 struct acpi_gen_regaddr x_gpe1_blk;
275 } __attribute__ ((packed)) acpi_fadt_t;
278 typedef struct acpi_facs {
281 u32 hardware_signature;
282 u32 firmware_waking_vector;
285 u32 x_firmware_waking_vector_l;
286 u32 x_firmware_waking_vector_h;
289 } __attribute__ ((packed)) acpi_facs_t;
291 /* These are implemented by the target port */
292 unsigned long write_acpi_tables(unsigned long addr);
293 unsigned long acpi_fill_madt(unsigned long current);
294 unsigned long acpi_fill_mcfg(unsigned long current);
295 unsigned long acpi_fill_srat(unsigned long current);
296 unsigned long acpi_fill_slit(unsigned long current);
297 unsigned long acpi_fill_ssdt_generator(unsigned long current, char *oem_table_id);
298 void acpi_create_ssdt_generator(acpi_header_t *ssdt, char *oem_table_id);
299 void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt);
301 /* These can be used by the target port */
302 u8 acpi_checksum(u8 *table, u32 length);
304 void acpi_add_table(acpi_rsdt_t *rsdt, void *table);
306 int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic);
307 int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base);
308 int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
309 u8 bus, u8 source, u32 gsirq, u16 flags);
310 int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
312 void acpi_create_madt(acpi_madt_t *madt);
313 unsigned long acpi_create_madt_lapics(unsigned long current);
314 unsigned long acpi_create_madt_lapic_nmis(unsigned long current, u16 flags, u8 lint);
317 int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic);
318 int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek,u32 sizek, u32 flags);
319 int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, u16 seg_nr, u8 start, u8 end);
320 unsigned long acpi_create_srat_lapics(unsigned long current);
321 void acpi_create_srat(acpi_srat_t *srat);
323 void acpi_create_slit(acpi_slit_t *slit);
325 void acpi_create_hpet(acpi_hpet_t *hpet);
327 void acpi_create_mcfg(acpi_mcfg_t *mcfg);
329 void acpi_create_facs(acpi_facs_t *facs);
331 void acpi_write_rsdt(acpi_rsdt_t *rsdt);
332 void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt);
334 #define ACPI_WRITE_MADT_IOAPIC(dev,id) \
336 struct resource *res; \
337 res = find_resource(dev, PCI_BASE_ADDRESS_0); \
339 current += acpi_create_madt_ioapic( \
340 (acpi_madt_ioapic_t *)current, \
341 id, res->base, gsi_base); \
345 #define IO_APIC_ADDR 0xfec00000UL
347 #else // HAVE_ACPI_TABLES
349 #define write_acpi_tables(start) (start)