diff options
Diffstat (limited to 'arch/x86/include/asm/acpi_table.h')
| -rw-r--r-- | arch/x86/include/asm/acpi_table.h | 446 |
1 files changed, 184 insertions, 262 deletions
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index 9856fa6..56aa282 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -2,83 +2,19 @@ * Based on acpi.c from coreboot * * Copyright (C) 2015, Saket Sinha <saket.sinha89@gmail.com> + * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com> * * SPDX-License-Identifier: GPL-2.0+ */ -#include <common.h> -#include <malloc.h> -#include <asm/post.h> -#include <linux/string.h> - -#define RSDP_SIG "RSD PTR " /* RSDT pointer signature */ -#define ACPI_TABLE_CREATOR "UBOOT " /* Must be 8 bytes long! */ -#define OEM_ID "UBOOT " /* Must be 6 bytes long! */ -#define ASLC "INTL" /* Must be 4 bytes long! */ - -#define OEM_REVISION 42 -#define ASL_COMPILER_REVISION 42 - -/* IO ports to generate SMIs */ -#define APM_CNT 0xb2 -#define APM_CNT_CST_CONTROL 0x85 -#define APM_CNT_PST_CONTROL 0x80 -#define APM_CNT_ACPI_DISABLE 0x1e -#define APM_CNT_ACPI_ENABLE 0xe1 -#define APM_CNT_MBI_UPDATE 0xeb -#define APM_CNT_GNVS_UPDATE 0xea -#define APM_CNT_FINALIZE 0xcb -#define APM_CNT_LEGACY 0xcc -#define APM_ST 0xb3 - -/* Multiple Processor Interrupts */ -#define MP_IRQ_POLARITY_DEFAULT 0x0 -#define MP_IRQ_POLARITY_HIGH 0x1 -#define MP_IRQ_POLARITY_LOW 0x3 -#define MP_IRQ_POLARITY_MASK 0x3 -#define MP_IRQ_TRIGGER_DEFAULT 0x0 -#define MP_IRQ_TRIGGER_EDGE 0x4 -#define MP_IRQ_TRIGGER_LEVEL 0xc -#define MP_IRQ_TRIGGER_MASK 0xc - -/* - * Interrupt assigned for SCI in order to - * create the ACPI MADT IRQ override entry - */ -#define ACTL 0x00 -#define SCIS_MASK 0x07 -#define SCIS_IRQ9 0x00 -#define SCIS_IRQ10 0x01 -#define SCIS_IRQ11 0x02 -#define SCIS_IRQ20 0x04 -#define SCIS_IRQ21 0x05 -#define SCIS_IRQ22 0x06 -#define SCIS_IRQ23 0x07 - -#define ACPI_REV_ACPI_1_0 1 -#define ACPI_REV_ACPI_2_0 1 -#define ACPI_REV_ACPI_3_0 2 -#define ACPI_REV_ACPI_4_0 3 -#define ACPI_REV_ACPI_5_0 5 +#define RSDP_SIG "RSD PTR " /* RSDP pointer signature */ +#define OEM_ID "U-BOOT" /* U-Boot */ +#define OEM_TABLE_ID "U-BOOTBL" /* U-Boot Table */ +#define ASLC_ID "INTL" /* Intel ASL Compiler */ #define ACPI_RSDP_REV_ACPI_1_0 0 #define ACPI_RSDP_REV_ACPI_2_0 2 -typedef struct acpi_gen_regaddr { - u8 space_id; /* Address space ID */ - u8 bit_width; /* Register size in bits */ - u8 bit_offset; /* Register bit offset */ - union { - /* Reserved in ACPI 2.0 - 2.0b */ - u8 resv; - /* Access size in ACPI 2.0c/3.0/4.0/5.0 */ - u8 access_size; - }; - u32 addrl; /* Register address, low 32 bits */ - u32 addrh; /* Register address, high 32 bits */ -} acpi_addr_t; - - /* * RSDP (Root System Description Pointer) * Note: ACPI 1.0 didn't have length, xsdt_address, and ext_checksum @@ -87,7 +23,7 @@ struct acpi_rsdp { char signature[8]; /* RSDP signature */ u8 checksum; /* Checksum of the first 20 bytes */ char oem_id[6]; /* OEM ID */ - u8 revision; /* 0 for ACPI 1.0, 2 for ACPI 2.0/3.0/4.0 */ + u8 revision; /* 0 for ACPI 1.0, others 2 */ u32 rsdt_address; /* Physical address of RSDT (32 bits) */ u32 length; /* Total RSDP length (incl. extended part) */ u64 xsdt_address; /* Physical address of XSDT (64 bits) */ @@ -95,35 +31,8 @@ struct acpi_rsdp { u8 reserved[3]; }; -enum acpi_address_space_type { - ACPI_ADDRESS_SPACE_MEMORY = 0, /* System memory */ - ACPI_ADDRESS_SPACE_IO, /* System I/O */ - ACPI_ADDRESS_SPACE_PCI, /* PCI config space */ - ACPI_ADDRESS_SPACE_EC, /* Embedded controller */ - ACPI_ADDRESS_SPACE_SMBUS, /* SMBus */ - ACPI_ADDRESS_SPACE_PCC = 0x0a, /* Platform Comm. Channel */ - ACPI_ADDRESS_SPACE_FIXED = 0x7f /* Functional fixed hardware */ -}; - -/* functional fixed hardware */ -#define ACPI_FFIXEDHW_VENDOR_INTEL 1 /* Intel */ -#define ACPI_FFIXEDHW_CLASS_HLT 0 /* C1 Halt */ -#define ACPI_FFIXEDHW_CLASS_IO_HLT 1 /* C1 I/O then Halt */ -#define ACPI_FFIXEDHW_CLASS_MWAIT 2 /* MWAIT Native C-state */ -#define ACPI_FFIXEDHW_FLAG_HW_COORD 1 /* Hardware Coordination bit */ -#define ACPI_FFIXEDHW_FLAG_BM_STS 2 /* BM_STS avoidance bit */ - -/* Access size definitions for Generic address structure */ -enum acpi_address_space_size { - ACPI_ACCESS_SIZE_UNDEFINED = 0, /* Undefined (legacy reasons) */ - ACPI_ACCESS_SIZE_BYTE_ACCESS = 1, - ACPI_ACCESS_SIZE_WORD_ACCESS = 2, - ACPI_ACCESS_SIZE_DWORD_ACCESS = 3, - ACPI_ACCESS_SIZE_QWORD_ACCESS = 4 -}; - /* Generic ACPI header, provided by (almost) all tables */ -typedef struct acpi_table_header { +struct acpi_table_header { char signature[4]; /* ACPI signature (4 ASCII characters) */ u32 length; /* Table length in bytes (incl. header) */ u8 revision; /* Table version (not ACPI version!) */ @@ -131,12 +40,12 @@ typedef struct acpi_table_header { 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 */ -} acpi_header_t; + char aslc_id[4]; /* ASL compiler vendor ID */ + u32 aslc_revision; /* ASL compiler revision number */ +}; /* A maximum number of 32 ACPI tables ought to be enough for now */ -#define MAX_ACPI_TABLES 32 +#define MAX_ACPI_TABLES 32 /* RSDT (Root System Description Table) */ struct acpi_rsdt { @@ -150,103 +59,80 @@ struct acpi_xsdt { u64 entry[MAX_ACPI_TABLES]; }; -/* MCFG (PCI Express MMIO config space BAR description table) */ -struct acpi_mcfg { - struct acpi_table_header header; - u8 reserved[8]; -}; - -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]; -}; - -/* MADT (Multiple APIC Description Table) */ -struct acpi_madt { - struct acpi_table_header header; - u32 lapic_addr; /* Local APIC address */ - u32 flags; /* Multiple APIC flags */ -} acpi_madt_t; - -enum dev_scope_type { - SCOPE_PCI_ENDPOINT = 1, - SCOPE_PCI_SUB = 2, - SCOPE_IOAPIC = 3, - SCOPE_MSI_HPET = 4 +/* FADT Preferred Power Management Profile */ +enum acpi_pm_profile { + ACPI_PM_UNSPECIFIED = 0, + ACPI_PM_DESKTOP, + ACPI_PM_MOBILE, + ACPI_PM_WORKSTATION, + ACPI_PM_ENTERPRISE_SERVER, + ACPI_PM_SOHO_SERVER, + ACPI_PM_APPLIANCE_PC, + ACPI_PM_PERFORMANCE_SERVER, + ACPI_PM_TABLET }; -typedef struct dev_scope { - u8 type; - u8 length; - u8 reserved[2]; - u8 enumeration; - u8 start_bus; - struct { - u8 dev; - u8 fn; - } path[0]; -} __packed dev_scope_t; - -/* MADT: APIC Structure Type*/ -enum acpi_apic_types { - LOCALAPIC = 0, /* Processor local APIC */ - IOAPIC, /* I/O APIC */ - IRQSOURCEOVERRIDE, /* Interrupt source override */ - NMITYPE, /* NMI source */ - LOCALNMITYPE, /* Local APIC NMI */ - LAPICADDRESSOVERRIDE, /* Local APIC address override */ - IOSAPIC, /* I/O SAPIC */ - LOCALSAPIC, /* Local SAPIC */ - PLATFORMIRQSOURCES, /* Platform interrupt sources */ - LOCALX2SAPIC, /* Processor local x2APIC */ - LOCALX2APICNMI, /* Local x2APIC NMI */ -}; +/* FADT flags for p_lvl2_lat and p_lvl3_lat */ +#define ACPI_FADT_C2_NOT_SUPPORTED 101 +#define ACPI_FADT_C3_NOT_SUPPORTED 1001 -/* MADT: Processor Local APIC Structure */ -struct acpi_madt_lapic { - u8 type; /* Type (0) */ - u8 length; /* Length in bytes (8) */ - u8 processor_id; /* ACPI processor ID */ - u8 apic_id; /* Local APIC ID */ - u32 flags; /* Local APIC flags */ -}; +/* FADT Boot Architecture Flags */ +#define ACPI_FADT_LEGACY_FREE 0x00 +#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) -#define LOCAL_APIC_FLAG_ENABLED (1 << 0) -/* bits 1-31: reserved */ -#define PCAT_COMPAT (1 << 0) -/* bits 1-31: reserved */ +/* 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) +#define ACPI_FADT_HW_REDUCED_ACPI (1 << 20) +#define ACPI_FADT_LOW_PWR_IDLE_S0 (1 << 21) -/* MADT: Local APIC NMI Structure */ -struct acpi_madt_lapic_nmi { - u8 type; /* Type (4) */ - u8 length; /* Length in bytes (6) */ - u8 processor_id; /* ACPI processor ID */ - u16 flags; /* MPS INTI flags */ - u8 lint; /* Local APIC LINT# */ +enum acpi_address_space_type { + ACPI_ADDRESS_SPACE_MEMORY = 0, /* System memory */ + ACPI_ADDRESS_SPACE_IO, /* System I/O */ + ACPI_ADDRESS_SPACE_PCI, /* PCI config space */ + ACPI_ADDRESS_SPACE_EC, /* Embedded controller */ + ACPI_ADDRESS_SPACE_SMBUS, /* SMBus */ + ACPI_ADDRESS_SPACE_PCC = 0x0a, /* Platform Comm. Channel */ + ACPI_ADDRESS_SPACE_FIXED = 0x7f /* Functional fixed hardware */ }; -/* MADT: I/O APIC Structure */ -struct acpi_madt_ioapic { - u8 type; /* Type (1) */ - u8 length; /* Length in bytes (12) */ - u8 ioapic_id; /* I/O APIC ID */ - u8 reserved; - u32 ioapic_addr; /* I/O APIC address */ - u32 gsi_base; /* Global system interrupt base */ +enum acpi_address_space_size { + ACPI_ACCESS_SIZE_UNDEFINED = 0, + ACPI_ACCESS_SIZE_BYTE_ACCESS, + ACPI_ACCESS_SIZE_WORD_ACCESS, + ACPI_ACCESS_SIZE_DWORD_ACCESS, + ACPI_ACCESS_SIZE_QWORD_ACCESS }; -/* MADT: Interrupt Source Override Structure */ -struct acpi_madt_irqoverride { - u8 type; /* Type (2) */ - u8 length; /* Length in bytes (10) */ - u8 bus; /* ISA (0) */ - u8 source; /* Bus-relative int. source (IRQ) */ - u32 gsirq; /* Global system interrupt */ - u16 flags; /* MPS INTI flags */ +struct acpi_gen_regaddr { + u8 space_id; /* Address space ID */ + u8 bit_width; /* Register size in bits */ + u8 bit_offset; /* Register bit offset */ + u8 access_size; /* Access size */ + u32 addrl; /* Register address, low 32 bits */ + u32 addrh; /* Register address, high 32 bits */ }; /* FADT (Fixed ACPI Description Table) */ @@ -254,7 +140,7 @@ struct __packed acpi_fadt { struct acpi_table_header header; u32 firmware_ctrl; u32 dsdt; - u8 model; + u8 res1; u8 preferred_pm_profile; u16 sci_int; u32 smi_cmd; @@ -309,85 +195,121 @@ struct __packed acpi_fadt { struct acpi_gen_regaddr x_gpe1_blk; }; -/* Flags for p_lvl2_lat and p_lvl3_lat */ -#define ACPI_FADT_C2_NOT_SUPPORTED 101 -#define ACPI_FADT_C3_NOT_SUPPORTED 1001 +/* FACS flags */ +#define ACPI_FACS_S4BIOS_F (1 << 0) +#define ACPI_FACS_64BIT_WAKE_F (1 << 1) -/* 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) -/* Bits 20-31: reserved ACPI 3.0 & 4.0 */ -#define ACPI_FADT_HW_REDUCED_ACPI (1 << 20) -#define ACPI_FADT_LOW_PWR_IDLE_S0 (1 << 21) -/* bits 22-31: reserved ACPI 5.0 */ +/* FACS (Firmware ACPI Control Structure) */ +struct acpi_facs { + char signature[4]; /* "FACS" */ + u32 length; /* Length in bytes (>= 64) */ + u32 hardware_signature; /* Hardware signature */ + u32 firmware_waking_vector; /* Firmware waking vector */ + u32 global_lock; /* Global lock */ + u32 flags; /* FACS flags */ + u32 x_firmware_waking_vector_l; /* X FW waking vector, low */ + u32 x_firmware_waking_vector_h; /* X FW waking vector, high */ + u8 version; /* Version 2 */ + u8 res1[3]; + u32 ospm_flags; /* OSPM enabled flags */ + u8 res2[24]; +}; -/* 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) -/* No legacy devices (including 8042) */ -#define ACPI_FADT_LEGACY_FREE 0x00 +/* MADT flags */ +#define ACPI_MADT_PCAT_COMPAT (1 << 0) -/* FADT Preferred Power Management Profile */ -#define PM_UNSPECIFIED 0 -#define PM_DESKTOP 1 -#define PM_MOBILE 2 -#define PM_WORKSTATION 3 -#define PM_ENTERPRISE_SERVER 4 -#define PM_SOHO_SERVER 5 -#define PM_APPLIANCE_PC 6 -#define PM_PERFORMANCE_SERVER 7 -#define PM_TABLET 8 /* ACPI 5.0 */ +/* MADT (Multiple APIC Description Table) */ +struct acpi_madt { + struct acpi_table_header header; + u32 lapic_addr; /* Local APIC address */ + u32 flags; /* Multiple APIC flags */ +}; -/* FACS (Firmware ACPI Control Structure) */ -struct acpi_facs { - char signature[4]; /* "FACS" */ - u32 length; /* Length in bytes (>= 64) */ - u32 hardware_signature; /* Hardware signature */ - u32 firmware_waking_vector; /* Firmware waking vector */ - u32 global_lock; /* Global lock */ - u32 flags; /* FACS flags */ - u32 x_firmware_waking_vector_l; /* X FW waking vector, low */ - u32 x_firmware_waking_vector_h; /* X FW waking vector, high */ - u8 version; /* ACPI 4.0: 2 */ - u8 resv[31]; /* FIXME: 4.0: ospm_flags */ +/* MADT: APIC Structure Type*/ +enum acpi_apic_types { + ACPI_APIC_LAPIC = 0, /* Processor local APIC */ + ACPI_APIC_IOAPIC, /* I/O APIC */ + ACPI_APIC_IRQ_SRC_OVERRIDE, /* Interrupt source override */ + ACPI_APIC_NMI_SRC, /* NMI source */ + ACPI_APIC_LAPIC_NMI, /* Local APIC NMI */ + ACPI_APIC_LAPIC_ADDR_OVERRIDE, /* Local APIC address override */ + ACPI_APIC_IOSAPIC, /* I/O SAPIC */ + ACPI_APIC_LSAPIC, /* Local SAPIC */ + ACPI_APIC_PLATFORM_IRQ_SRC, /* Platform interrupt sources */ + ACPI_APIC_LX2APIC, /* Processor local x2APIC */ + ACPI_APIC_LX2APIC_NMI, /* Local x2APIC NMI */ }; -/* FACS flags */ -#define ACPI_FACS_S4BIOS_F (1 << 0) -#define ACPI_FACS_64BIT_WAKE_F (1 << 1) -/* Bits 31..2: reserved */ +/* MADT: Processor Local APIC Structure */ + +#define LOCAL_APIC_FLAG_ENABLED (1 << 0) + +struct acpi_madt_lapic { + u8 type; /* Type (0) */ + u8 length; /* Length in bytes (8) */ + u8 processor_id; /* ACPI processor ID */ + u8 apic_id; /* Local APIC ID */ + u32 flags; /* Local APIC flags */ +}; + +/* MADT: I/O APIC Structure */ +struct acpi_madt_ioapic { + u8 type; /* Type (1) */ + u8 length; /* Length in bytes (12) */ + u8 ioapic_id; /* I/O APIC ID */ + u8 reserved; + u32 ioapic_addr; /* I/O APIC address */ + u32 gsi_base; /* Global system interrupt base */ +}; + +/* MADT: Interrupt Source Override Structure */ +struct __packed acpi_madt_irqoverride { + u8 type; /* Type (2) */ + u8 length; /* Length in bytes (10) */ + u8 bus; /* ISA (0) */ + u8 source; /* Bus-relative int. source (IRQ) */ + u32 gsirq; /* Global system interrupt */ + u16 flags; /* MPS INTI flags */ +}; + +/* MADT: Local APIC NMI Structure */ +struct __packed acpi_madt_lapic_nmi { + u8 type; /* Type (4) */ + u8 length; /* Length in bytes (6) */ + u8 processor_id; /* ACPI processor ID */ + u16 flags; /* MPS INTI flags */ + u8 lint; /* Local APIC LINT# */ +}; + +/* MCFG (PCI Express MMIO config space BAR description table) */ +struct acpi_mcfg { + struct acpi_table_header header; + u8 reserved[8]; +}; + +struct acpi_mcfg_mmconfig { + u32 base_address_l; + u32 base_address_h; + u16 pci_segment_group_number; + u8 start_bus_number; + u8 end_bus_number; + u8 reserved[4]; +}; + +/* PM1_CNT bit defines */ +#define PM1_CNT_SCI_EN (1 << 0) /* These can be used by the target port */ -unsigned long acpi_create_madt_lapics(unsigned long current); -int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id, u32 addr, - u32 gsi_base); -int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride, - u8 bus, u8 source, u32 gsirq, u16 flags); -unsigned long acpi_fill_madt(unsigned long current); +void acpi_fill_header(struct acpi_table_header *header, char *signature); void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs, - void *dsdt); -int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, u8 cpu, - u16 flags, u8 lint); + void *dsdt); +int acpi_create_madt_lapics(u32 current); +int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id, + u32 addr, u32 gsi_base); +int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride, + u8 bus, u8 source, u32 gsirq, u16 flags); +int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, + u8 cpu, u16 flags, u8 lint); +u32 acpi_fill_madt(u32 current); u32 write_acpi_tables(u32 start); |