char oem_id[6]; /* OEM identification */
char oem_table_id[8]; /* OEM table identification */
u32 oem_revision; /* OEM revision number */
- char aslc_id[4]; /* ASL compiler vendor ID */
- u32 aslc_revision; /* ASL compiler revision number */
+ char creator_id[4]; /* ASL compiler vendor ID */
+ u32 creator_revision; /* ASL compiler revision number */
};
+/**
+ * struct acpi_gen_regaddr - generic address structure (GAS)
+ */
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 */
+ /**
+ * @space_id: address space ID
+ *
+ * See table "Operation Region Address Space Identifiers" in the ACPI
+ * specification.
+ */
+ u8 space_id;
+ /** @bit_width: size in bits of the register */
+ u8 bit_width;
+ /** @bit_offset: bit offset of the register */
+ u8 bit_offset;
+ /**
+ * @access_size: access size
+ *
+ * * 0 - undefined
+ * * 1 - byte access
+ * * 2 - word (2 bytes) access
+ * * 3 - Dword (4 bytes) access
+ * * 4 - Qword (8 bytes) access
+ *
+ * See ACPI_ACCESS_SIZE_*_ACCESS macros.
+ */
+ u8 access_size;
+ /** @addrl: register address, low 32 bits */
+ u32 addrl;
+ /** @addrh: register address, high 32 bits */
+ u32 addrh;
};
/* A maximum number of 32 ACPI tables ought to be enough for now */
};
/* XSDT (Extended System Description Table) */
-struct acpi_xsdt {
+struct __packed acpi_xsdt {
struct acpi_table_header header;
u64 entry[MAX_ACPI_TABLES];
};
-/* HPET timers */
-struct __packed acpi_hpet {
+/**
+ * struct acpi_hpet: High Precision Event Timers (HETP)
+ *
+ * The structure is defined in the
+ * "IA-PC HPET (High Precision Event Timers) Specification", rev 1.0a, Oct 2004
+ */
+struct acpi_hpet {
+ /** @header: table header */
struct acpi_table_header header;
+ /** @id hardware ID of Event Timer Block */
u32 id;
+ /** @addr: address of Event Timer Block */
struct acpi_gen_regaddr addr;
+ /** @number: HPET sequence number */
u8 number;
+ /** @min_tick: minimum clock ticks without lost interrupts */
u16 min_tick;
+ /** @attributes: page protection and OEM atttribute */
u8 attributes;
-};
+} __packed;
struct __packed acpi_tpm2 {
struct acpi_table_header header;
u8 reset_value;
u16 arm_boot_arch;
u8 minor_revision;
- u32 x_firmware_ctl_l;
- u32 x_firmware_ctl_h;
- u32 x_dsdt_l;
- u32 x_dsdt_h;
+ u64 x_firmware_ctrl;
+ u64 x_dsdt;
struct acpi_gen_regaddr x_pm1a_evt_blk;
struct acpi_gen_regaddr x_pm1b_evt_blk;
struct acpi_gen_regaddr x_pm1a_cnt_blk;
* This holds information about the Generic Interrupt Controller (GIC) CPU
* interface. See ACPI Spec v6.3 section 5.2.12.14
*/
-struct __packed acpi_madr_gicc {
+struct acpi_madr_gicc {
u8 type;
u8 length;
u16 reserved;
u8 efficiency;
u8 reserved2;
u16 spi_overflow_irq;
-};
+} __packed;
/**
* struct __packed acpi_madr_gicc - GIC distributor (type 0xc)
* This holds information about the Generic Interrupt Controller (GIC)
* Distributor interface. See ACPI Spec v6.3 section 5.2.12.15
*/
-struct __packed acpi_madr_gicd {
+struct acpi_madr_gicd {
u8 type;
u8 length;
u16 reserved;
u32 reserved2;
u8 gic_version;
u8 reserved3[3];
-};
+} __packed;
/* MCFG (PCI Express MMIO config space BAR description table) */
struct acpi_mcfg {
*
* See ACPI Spec v6.3 section 5.2.24 for details
*/
-struct __packed acpi_gtdt {
+struct acpi_gtdt {
struct acpi_table_header header;
u64 cnt_ctrl_base;
u32 reserved0;
u32 plat_timer_offset;
u32 virt_el2_gsiv;
u32 virt_el2_flags;
-};
+} __packed;
/**
* struct acpi_bgrt - Boot Graphics Resource Table (BGRT)
*
* See ACPI Spec v6.3 section 5.2.22 for details
*/
-struct __packed acpi_bgrt {
+struct acpi_bgrt {
struct acpi_table_header header;
u16 version;
u8 status;
u64 addr;
u32 offset_x;
u32 offset_y;
-};
+} __packed;
/* Types for PPTT */
#define ACPI_PPTT_TYPE_PROC 0
*
* See ACPI Spec v6.3 section 5.2.29 for details
*/
-struct __packed acpi_pptt_header {
+struct acpi_pptt_header {
u8 type; /* ACPI_PPTT_TYPE_... */
u8 length;
u16 reserved;
-};
+} __packed;
/**
* struct acpi_pptt_proc - a processor as described by PPTT
*/
-struct __packed acpi_pptt_proc {
+struct acpi_pptt_proc {
struct acpi_pptt_header hdr;
u32 flags;
u32 parent;
u32 proc_id;
u32 num_resources;
-};
+} __packed;
/* Cache flags for acpi_pptt_cache */
#define ACPI_PPTT_SIZE_VALID BIT(0)
/**
* struct acpi_pptt_cache - a cache as described by PPTT
*/
-struct __packed acpi_pptt_cache {
+struct acpi_pptt_cache {
struct acpi_pptt_header hdr;
u32 flags;
u32 next_cache_level;
u8 assoc;
u8 attributes;
u16 line_size;
-};
+} __packed;
/* Tables defined/reserved by ACPI and generated by U-Boot */
enum acpi_tables {
struct acpi_gen_regaddr *address, uint32_t address_size,
const char *device_path);
-/**
- * acpi_fill_header() - Set up a new table header
- *
- * This sets all fields except length, revision, checksum and aslc_revision
- *
- * @header: ACPI header to update
- * @signature: Table signature to use (4 characters)
- */
-void acpi_fill_header(struct acpi_table_header *header, char *signature);
-
/**
* acpi_align() - Align the ACPI output pointer to a 16-byte boundary
*
*/
int acpi_add_table(struct acpi_ctx *ctx, void *table);
+static inline int acpi_add_fadt(struct acpi_ctx *ctx, struct acpi_fadt *fadt)
+{
+ acpi_add_table(ctx, fadt);
+ acpi_inc(ctx, sizeof(struct acpi_fadt));
+ return 0;
+}
+
/**
* acpi_write_rsdp() - Write out an RSDP indicating where the ACPI tables are
*
*/
int acpi_fill_csrt(struct acpi_ctx *ctx);
+/**
+ * acpi_get_rsdp_addr() - get ACPI RSDP table address
+ *
+ * This routine returns the ACPI RSDP table address in the system memory.
+ *
+ * @return: ACPI RSDP table address
+ */
+ulong acpi_get_rsdp_addr(void);
+
/**
* write_acpi_tables() - Write out the ACPI tables
*
*/
ulong write_acpi_tables(ulong start);
+/**
+ * acpi_find_table() - Look up an ACPI table
+ *
+ * @sig: Signature of table (4 characters, upper case)
+ * Return: pointer to table header, or NULL if not found
+ */
+struct acpi_table_header *acpi_find_table(const char *sig);
+
#endif /* !__ACPI__*/
#include <asm/acpi_table.h>
projects / thirdparty / u-boot.git / blobdiff