/* * coreboot ACPI Support - headers and defines. * * written by Stefan Reinauer * Copyright (C) 2004 SUSE LINUX AG * Copyright (C) 2004 Nick Barker * Copyright (C) 2008-2009 coresystems GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; version 2 of * the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, * MA 02110-1301 USA */ #ifndef __ASM_ACPI_H #define __ASM_ACPI_H #if CONFIG_GENERATE_ACPI_TABLES==1 #include #define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */ #define ACPI_TABLE_CREATOR "COREBOOT" #define OEM_ID "CORE " #define ASLC "CORE" /* ACPI 3.0 table RSDP */ typedef struct acpi_rsdp { char signature[8]; /* RSDP signature "RSD PTR" */ u8 checksum; /* checksum of the first 20 bytes */ char oem_id[6]; /* OEM ID, "LXBIOS" */ u8 revision; /* 0 for APCI 1.0, 2 for ACPI 2.0/3.0 */ u32 rsdt_address; /* physical address of RSDT */ u32 length; /* total length of RSDP (including extended part) */ u64 xsdt_address; /* physical address of XSDT */ u8 ext_checksum; /* chechsum of whole table */ u8 reserved[3]; } __attribute__((packed)) acpi_rsdp_t; /* Generic Address Container */ typedef struct acpi_gen_regaddr { u8 space_id; u8 bit_width; u8 bit_offset; u8 resv; u32 addrl; u32 addrh; } __attribute__ ((packed)) acpi_addr_t; #define ACPI_ADDRESS_SPACE_MEMORY 0 #define ACPI_ADDRESS_SPACE_IO 1 #define ACPI_ADDRESS_SPACE_PCI 2 #define ACPI_ADDRESS_SPACE_FIXED 0x7f /* Generic ACPI Header, provided by (almost) all tables */ typedef struct acpi_table_header /* ACPI common table header */ { char signature [4]; /* ACPI signature (4 ASCII characters) */\ u32 length; /* Length of table, in bytes, including header */\ u8 revision; /* ACPI Specification minor version # */\ u8 checksum; /* To make sum of entire table == 0 */\ char oem_id [6]; /* OEM identification */\ char oem_table_id [8]; /* OEM table identification */\ u32 oem_revision; /* OEM revision number */\ char asl_compiler_id [4]; /* ASL compiler vendor ID */\ u32 asl_compiler_revision; /* ASL compiler revision number */ } __attribute__ ((packed)) acpi_header_t; /* A maximum number of 32 ACPI tables ought to be enough for now */ #define MAX_ACPI_TABLES 32 /* RSDT */ typedef struct acpi_rsdt { struct acpi_table_header header; u32 entry[MAX_ACPI_TABLES]; } __attribute__ ((packed)) acpi_rsdt_t; /* XSDT */ typedef struct acpi_xsdt { struct acpi_table_header header; u64 entry[MAX_ACPI_TABLES]; } __attribute__ ((packed)) acpi_xsdt_t; /* HPET TIMERS */ typedef struct acpi_hpet { struct acpi_table_header header; u32 id; struct acpi_gen_regaddr addr; u8 number; u16 min_tick; u8 attributes; } __attribute__ ((packed)) acpi_hpet_t; /* MCFG */ typedef struct acpi_mcfg { struct acpi_table_header header; u8 reserved[8]; } __attribute__ ((packed)) acpi_mcfg_t; typedef struct acpi_mcfg_mmconfig { u32 base_address; u32 base_reserved; u16 pci_segment_group_number; u8 start_bus_number; u8 end_bus_number; u8 reserved[4]; } __attribute__ ((packed)) acpi_mcfg_mmconfig_t; /* SRAT */ typedef struct acpi_srat { struct acpi_table_header header; u32 resv; u64 resv1; /* followed by static resource allocation structure[n]*/ } __attribute__ ((packed)) acpi_srat_t; typedef struct acpi_srat_lapic { u8 type; u8 length; u8 proximity_domain_7_0; u8 apic_id; u32 flags; /* enable bit 0 = 1, other bits reserved to 0 */ u8 local_sapic_eid; u8 proximity_domain_31_8[3]; u32 resv; } __attribute__ ((packed)) acpi_srat_lapic_t; typedef struct acpi_srat_mem { u8 type; u8 length; u32 proximity_domain; u16 resv; u32 base_address_low; u32 base_address_high; u32 length_low; u32 length_high; u32 resv1; u32 flags; /* enable bit 0, hot pluggable bit 1; Non Volatile bit 2, other bits reserved */ u32 resv2[2]; } __attribute__ ((packed)) acpi_srat_mem_t; /* SLIT */ typedef struct acpi_slit { struct acpi_table_header header; /* followed by static resource allocation 8+byte[num*num]*/ } __attribute__ ((packed)) acpi_slit_t; /* MADT */ typedef struct acpi_madt { struct acpi_table_header header; u32 lapic_addr; u32 flags; } __attribute__ ((packed)) acpi_madt_t; enum acpi_apic_types { LocalApic = 0, IOApic = 1, IRQSourceOverride = 2, NMI = 3, LocalApicNMI = 4, LApicAddressOverride = 5, IOSApic = 6, LocalSApic = 7, PlatformIRQSources = 8 }; typedef struct acpi_madt_lapic { u8 type; u8 length; u8 processor_id; u8 apic_id; u32 flags; } __attribute__ ((packed)) acpi_madt_lapic_t; typedef struct acpi_madt_lapic_nmi { u8 type; u8 length; u8 processor_id; u16 flags; u8 lint; } __attribute__ ((packed)) acpi_madt_lapic_nmi_t; typedef struct acpi_madt_ioapic { u8 type; u8 length; u8 ioapic_id; u8 reserved; u32 ioapic_addr; u32 gsi_base; } __attribute__ ((packed)) acpi_madt_ioapic_t; typedef struct acpi_madt_irqoverride { u8 type; u8 length; u8 bus; u8 source; u32 gsirq; u16 flags; } __attribute__ ((packed)) acpi_madt_irqoverride_t; /* FADT */ typedef struct acpi_fadt { struct acpi_table_header header; u32 firmware_ctrl; u32 dsdt; u8 model; u8 preferred_pm_profile; u16 sci_int; u32 smi_cmd; u8 acpi_enable; u8 acpi_disable; u8 s4bios_req; u8 pstate_cnt; u32 pm1a_evt_blk; u32 pm1b_evt_blk; u32 pm1a_cnt_blk; u32 pm1b_cnt_blk; u32 pm2_cnt_blk; u32 pm_tmr_blk; u32 gpe0_blk; u32 gpe1_blk; u8 pm1_evt_len; u8 pm1_cnt_len; u8 pm2_cnt_len; u8 pm_tmr_len; u8 gpe0_blk_len; u8 gpe1_blk_len; u8 gpe1_base; u8 cst_cnt; u16 p_lvl2_lat; u16 p_lvl3_lat; u16 flush_size; u16 flush_stride; u8 duty_offset; u8 duty_width; u8 day_alrm; u8 mon_alrm; u8 century; u16 iapc_boot_arch; u8 res2; u32 flags; struct acpi_gen_regaddr reset_reg; u8 reset_value; u8 res3; u8 res4; u8 res5; u32 x_firmware_ctl_l; u32 x_firmware_ctl_h; u32 x_dsdt_l; u32 x_dsdt_h; struct acpi_gen_regaddr x_pm1a_evt_blk; struct acpi_gen_regaddr x_pm1b_evt_blk; struct acpi_gen_regaddr x_pm1a_cnt_blk; struct acpi_gen_regaddr x_pm1b_cnt_blk; struct acpi_gen_regaddr x_pm2_cnt_blk; struct acpi_gen_regaddr x_pm_tmr_blk; struct acpi_gen_regaddr x_gpe0_blk; struct acpi_gen_regaddr x_gpe1_blk; } __attribute__ ((packed)) acpi_fadt_t; // // FADT Feature Flags // #define ACPI_FADT_WBINVD (1 << 0) #define ACPI_FADT_WBINVD_FLUSH (1 << 1) #define ACPI_FADT_C1_SUPPORTED (1 << 2) #define ACPI_FADT_C2_MP_SUPPORTED (1 << 3) #define ACPI_FADT_POWER_BUTTON (1 << 4) #define ACPI_FADT_SLEEP_BUTTON (1 << 5) #define ACPI_FADT_FIXED_RTC (1 << 6) #define ACPI_FADT_S4_RTC_WAKE (1 << 7) #define ACPI_FADT_32BIT_TIMER (1 << 8) #define ACPI_FADT_DOCKING_SUPPORTED (1 << 9) #define ACPI_FADT_RESET_REGISTER (1 << 10) #define ACPI_FADT_SEALED_CASE (1 << 11) #define ACPI_FADT_HEADLESS (1 << 12) #define ACPI_FADT_SLEEP_TYPE (1 << 13) #define ACPI_FADT_PCI_EXPRESS_WAKE (1 << 14) #define ACPI_FADT_PLATFORM_CLOCK (1 << 15) #define ACPI_FADT_S4_RTC_VALID (1 << 16) #define ACPI_FADT_REMOTE_POWER_ON (1 << 17) #define ACPI_FADT_APIC_CLUSTER (1 << 18) #define ACPI_FADT_APIC_PHYSICAL (1 << 19) // // FADT Boot Architecture Flags // #define ACPI_FADT_LEGACY_DEVICES (1 << 0) #define ACPI_FADT_8042 (1 << 1) #define ACPI_FADT_VGA_NOT_PRESENT (1 << 2) #define ACPI_FADT_MSI_NOT_SUPPORTED (1 << 3) #define ACPI_FADT_NO_PCIE_ASPM_CONTROL (1 << 4) // // FADT Preferred Power Management Profile // enum acpi_preferred_pm_profiles { PM_UNSPECIFIED = 0, PM_DESKTOP = 1, PM_MOBILE = 2, PM_WORKSTATION = 3, PM_ENTERPRISE_SERVER = 4, PM_SOHO_SERVER = 5, PM_APPLIANCE_PC = 6, PM_PERFORMANCE_SERVER = 7 }; /* FACS */ typedef struct acpi_facs { char signature[4]; u32 length; u32 hardware_signature; u32 firmware_waking_vector; u32 global_lock; u32 flags; u32 x_firmware_waking_vector_l; u32 x_firmware_waking_vector_h; u8 version; u8 resv[31]; } __attribute__ ((packed)) acpi_facs_t; // // FACS Flags // #define ACPI_FACS_S4BIOS_F (1 << 0) typedef struct acpi_ecdt { struct acpi_table_header header; struct acpi_gen_regaddr ec_control; struct acpi_gen_regaddr ec_data; u32 uid; u8 gpe_bit; u8 ec_id[]; } __attribute__ ((packed)) acpi_ecdt_t; /* These are implemented by the target port */ unsigned long write_acpi_tables(unsigned long addr); unsigned long acpi_fill_madt(unsigned long current); unsigned long acpi_fill_mcfg(unsigned long current); unsigned long acpi_fill_srat(unsigned long current); unsigned long acpi_fill_slit(unsigned long current); unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id); void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_table_id); void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs, void *dsdt); /* These can be used by the target port */ u8 acpi_checksum(u8 *table, u32 length); void acpi_add_table(acpi_rsdp_t *rsdp, void *table); int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic); int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base); int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride, u8 bus, u8 source, u32 gsirq, u16 flags); int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu, u16 flags, u8 lint); void acpi_create_madt(acpi_madt_t *madt); unsigned long acpi_create_madt_lapics(unsigned long current); unsigned long acpi_create_madt_lapic_nmis(unsigned long current, u16 flags, u8 lint); int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic); int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek,u32 sizek, u32 flags); int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, u16 seg_nr, u8 start, u8 end); unsigned long acpi_create_srat_lapics(unsigned long current); void acpi_create_srat(acpi_srat_t *srat); void acpi_create_slit(acpi_slit_t *slit); void acpi_create_hpet(acpi_hpet_t *hpet); void acpi_create_mcfg(acpi_mcfg_t *mcfg); void acpi_create_facs(acpi_facs_t *facs); void acpi_write_rsdt(acpi_rsdt_t *rsdt); void acpi_write_xsdt(acpi_xsdt_t *xsdt); void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt); #if CONFIG_HAVE_ACPI_RESUME /* 0 = S0, 1 = S1 ...*/ extern u8 acpi_slp_type; void suspend_resume(void); void *acpi_find_wakeup_vector(void); void *acpi_get_wakeup_rsdp(void); void acpi_jmp_to_realm_wakeup(u32 linear_addr) __attribute__((regparm(0))); void acpi_jump_to_wakeup(void *wakeup_addr); int acpi_get_sleep_type(void); #endif unsigned long acpi_add_ssdt_pstates(acpi_rsdp_t *rsdp, unsigned long current); #define ACPI_WRITE_MADT_IOAPIC(dev,id) \ do { \ struct resource *res; \ res = find_resource(dev, PCI_BASE_ADDRESS_0); \ if (!res) break; \ current += acpi_create_madt_ioapic( \ (acpi_madt_ioapic_t *)current, \ id, res->base, gsi_base); \ gsi_base+=4; \ } while(0); #else // CONFIG_GENERATE_ACPI_TABLES #define write_acpi_tables(start) (start) #endif #endif