diff --git a/src/mainboard/aopen/dxplplusu/fadt.c b/src/mainboard/aopen/dxplplusu/fadt.c
index 418d547..9e44b85 100644
--- a/src/mainboard/aopen/dxplplusu/fadt.c
+++ b/src/mainboard/aopen/dxplplusu/fadt.c
@@ -37,7 +37,7 @@
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = 4;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/google/auron/fadt.c b/src/mainboard/google/auron/fadt.c
index dea67d0..c96ae68 100644
--- a/src/mainboard/google/auron/fadt.c
+++ b/src/mainboard/google/auron/fadt.c
@@ -24,7 +24,7 @@
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/google/beltino/fadt.c b/src/mainboard/google/beltino/fadt.c
index 486a3432..806902d 100644
--- a/src/mainboard/google/beltino/fadt.c
+++ b/src/mainboard/google/beltino/fadt.c
@@ -27,7 +27,7 @@
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/google/cyan/fadt.c b/src/mainboard/google/cyan/fadt.c
index d62c28d..29e2d2a 100644
--- a/src/mainboard/google/cyan/fadt.c
+++ b/src/mainboard/google/cyan/fadt.c
@@ -24,7 +24,7 @@
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/google/jecht/fadt.c b/src/mainboard/google/jecht/fadt.c
index dea67d0..c96ae68 100644
--- a/src/mainboard/google/jecht/fadt.c
+++ b/src/mainboard/google/jecht/fadt.c
@@ -24,7 +24,7 @@
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/google/rambi/fadt.c b/src/mainboard/google/rambi/fadt.c
index b0fe9d6..4aa4ec6 100644
--- a/src/mainboard/google/rambi/fadt.c
+++ b/src/mainboard/google/rambi/fadt.c
@@ -23,7 +23,7 @@
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/google/slippy/fadt.c b/src/mainboard/google/slippy/fadt.c
index fe86f56..8a04591 100644
--- a/src/mainboard/google/slippy/fadt.c
+++ b/src/mainboard/google/slippy/fadt.c
@@ -27,7 +27,7 @@
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/purism/librem_bdw/fadt.c b/src/mainboard/purism/librem_bdw/fadt.c
index 9cbcd3f..fbce9d7 100644
--- a/src/mainboard/purism/librem_bdw/fadt.c
+++ b/src/mainboard/purism/librem_bdw/fadt.c
@@ -23,7 +23,7 @@
 	memset(fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/soc/amd/stoneyridge/acpi.c b/src/soc/amd/stoneyridge/acpi.c
index 7b4f07b..4094c38 100644
--- a/src/soc/amd/stoneyridge/acpi.c
+++ b/src/soc/amd/stoneyridge/acpi.c
@@ -77,7 +77,7 @@
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index ae645a5..8fdaeee 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -110,7 +110,7 @@
 	const uint16_t pmbase = ACPI_BASE_ADDRESS;
 
 	/* Use ACPI 3.0 revision. */
-	fadt->header.revision = ACPI_FADT_REV_ACPI_3_0;
+	fadt->header.revision = get_acpi_table_revision(FADT);
 
 	fadt->sci_int = acpi_sci_irq();
 	fadt->smi_cmd = APM_CNT;
diff --git a/src/soc/intel/fsp_baytrail/acpi.c b/src/soc/intel/fsp_baytrail/acpi.c
index 748b6cf..f4dd545 100644
--- a/src/soc/intel/fsp_baytrail/acpi.c
+++ b/src/soc/intel/fsp_baytrail/acpi.c
@@ -191,7 +191,7 @@
 	/* FADT Header Structure */
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/soc/intel/fsp_broadwell_de/acpi.c b/src/soc/intel/fsp_broadwell_de/acpi.c
index 38b4d47..9b64edc 100644
--- a/src/soc/intel/fsp_broadwell_de/acpi.c
+++ b/src/soc/intel/fsp_broadwell_de/acpi.c
@@ -167,7 +167,7 @@
 	/* FADT Header Structure */
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c
index cff610f..44096cd 100644
--- a/src/soc/intel/skylake/acpi.c
+++ b/src/soc/intel/skylake/acpi.c
@@ -241,7 +241,7 @@
 	const uint16_t pmbase = ACPI_BASE_ADDRESS;
 
 	/* Use ACPI 3.0 revision */
-	fadt->header.revision = ACPI_FADT_REV_ACPI_3_0;
+	fadt->header.revision = get_acpi_table_revision(FADT);
 
 	fadt->sci_int = acpi_sci_irq();
 	fadt->smi_cmd = APM_CNT;
diff --git a/src/southbridge/amd/agesa/hudson/fadt.c b/src/southbridge/amd/agesa/hudson/fadt.c
index c1d9b72..1cb9875 100644
--- a/src/southbridge/amd/agesa/hudson/fadt.c
+++ b/src/southbridge/amd/agesa/hudson/fadt.c
@@ -49,7 +49,7 @@
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/southbridge/amd/cimx/sb800/fadt.c b/src/southbridge/amd/cimx/sb800/fadt.c
index ad47ad7..59e61da 100644
--- a/src/southbridge/amd/cimx/sb800/fadt.c
+++ b/src/southbridge/amd/cimx/sb800/fadt.c
@@ -53,7 +53,7 @@
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/southbridge/amd/pi/hudson/fadt.c b/src/southbridge/amd/pi/hudson/fadt.c
index 84c6a1d..c2a3ff4 100644
--- a/src/southbridge/amd/pi/hudson/fadt.c
+++ b/src/southbridge/amd/pi/hudson/fadt.c
@@ -49,7 +49,7 @@
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/southbridge/intel/fsp_rangeley/acpi.c b/src/southbridge/intel/fsp_rangeley/acpi.c
index 45f0558..ca711dc 100644
--- a/src/southbridge/intel/fsp_rangeley/acpi.c
+++ b/src/southbridge/intel/fsp_rangeley/acpi.c
@@ -48,7 +48,7 @@
 	/* FADT Header Structure */
 	memcpy(header->signature, "FACP", 4);
 	header->length = sizeof(acpi_fadt_t);
-	header->revision = ACPI_FADT_REV_ACPI_3_0;
+	header->revision = get_acpi_table_revision(FADT);
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);