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-rw-r--r--src/include/acpi/acpi.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/acpi/acpi.h b/src/include/acpi/acpi.h
index 7b0f339bc5..a9ec07754d 100644
--- a/src/include/acpi/acpi.h
+++ b/src/include/acpi/acpi.h
@@ -41,6 +41,7 @@
#define ACPI_TABLE_CREATOR "COREBOOT" /* Must be exactly 8 bytes long! */
#define OEM_ID "COREv4" /* Must be exactly 6 bytes long! */
+#define ACPI_DSDT_REV_1 0x01 /* DSDT revision: ACPI v1 */
#define ACPI_DSDT_REV_2 0x02 /* DSDT revision: ACPI v2.0 and greater */
#if !defined(__ASSEMBLER__) && !defined(__ACPI__)