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/*
* coreboot ACPI Support - headers and defines.
*
* written by Stefan Reinauer <stepan@coresystems.de>
* 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 <stdint.h>
#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);
#define IO_APIC_ADDR 0xfec00000UL
#else // CONFIG_GENERATE_ACPI_TABLES
#define write_acpi_tables(start) (start)
#endif
#endif