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src/acpi: Add macro for FADT Minor Version and use it

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Change-Id: I6a0e9b33c6a1045a3a4a6717487525b82d41e558
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao
This commit is contained in:
Elyes Haouas
2022-02-16 12:08:16 +01:00
committed by Felix Held
parent e904d9ad67
commit 8b950f4d7a
7 changed files with 28 additions and 13 deletions
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24
src/include/acpi/acpi.h
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@@ -747,7 +747,7 @@ typedef struct acpi_fadt {
acpi_addr_t reset_reg;
u8 reset_value;
u16 ARM_boot_arch; /* Revision 6 only, Revision 5: Must be zero */
u8 FADT_MinorVersion; /* Revision 6 only, Revision 5: Must be zero */
u8 FADT_MinorVersion; /* Must be zero if ACPI Revision <= 5.0 */
u32 x_firmware_ctl_l;
u32 x_firmware_ctl_h;
u32 x_dsdt_l;
@@ -768,12 +768,21 @@ typedef struct acpi_fadt {
} __packed acpi_fadt_t;
/* FADT TABLE Revision values */
#define ACPI_FADT_REV_ACPI_1_0 1
#define ACPI_FADT_REV_ACPI_2_0 3
#define ACPI_FADT_REV_ACPI_3_0 4
#define ACPI_FADT_REV_ACPI_4_0 4
#define ACPI_FADT_REV_ACPI_5_0 5
#define ACPI_FADT_REV_ACPI_6_0 6
#define ACPI_FADT_REV_ACPI_1 1
#define ACPI_FADT_REV_ACPI_2 3
#define ACPI_FADT_REV_ACPI_3 4
#define ACPI_FADT_REV_ACPI_4 4
#define ACPI_FADT_REV_ACPI_5 5
#define ACPI_FADT_REV_ACPI_6 6
/* FADT Minor Version value:
* Bits 0-3: minor version
* Bits 4-7: Errata
* value of 1 means this is compatible with Errata A,
* value of 2 would be compatible with Errata B, and so on
* Version 6.3 Errata A would be: (1 << 4) | 3
*/
#define ACPI_FADT_MINOR_VERSION_0 0 /* coreboot currently use this version */
/* Flags for p_lvl2_lat and p_lvl3_lat */
#define ACPI_FADT_C2_NOT_SUPPORTED 101
@@ -1434,6 +1443,7 @@ static inline uintptr_t acpi_align_current(uintptr_t current)
* be made into a weak function if there is ever a need to override the
* coreboot default ACPI spec version supported. */
int get_acpi_table_revision(enum acpi_tables table);
u8 get_acpi_fadt_minor_version(void);
#endif // !defined(__ASSEMBLER__) && !defined(__ACPI__)