diff --git a/src/mainboard/amd/parmer/BiosCallOuts.c b/src/mainboard/amd/parmer/BiosCallOuts.c
index 24268d7345..c3ac4de83a 100644
--- a/src/mainboard/amd/parmer/BiosCallOuts.c
+++ b/src/mainboard/amd/parmer/BiosCallOuts.c
@@ -717,9 +717,12 @@ AGESA_STATUS Fch_Oem_config(UINT32 Func, UINT32 FchData, VOID *ConfigPtr)
 	FCH_RESET_DATA_BLOCK *FchParams = (FCH_RESET_DATA_BLOCK *)FchData;
 
 	if (FchParams->StdHeader->Func == AMD_INIT_RESET) {
-		//FCH_RESET_DATA_BLOCK *FchParams_reset =  (FCH_RESET_DATA_BLOCK *) FchData;
+		FCH_RESET_DATA_BLOCK *FchParams_reset =  (FCH_RESET_DATA_BLOCK *) FchData;
 		printk(BIOS_DEBUG, "Fch OEM config in INIT RESET ");
 		//FchParams_reset->EcChannel0 = TRUE; /* logical devicd 3 */
+#if CONFIG_HUDSON_LEGACY_FREE
+		FchParams_reset->LegacyFree = 1;
+#endif
 	} else if (FchParams->StdHeader->Func == AMD_INIT_ENV) {
 		FCH_DATA_BLOCK *FchParams_env = (FCH_DATA_BLOCK *)FchData;
 		printk(BIOS_DEBUG, "Fch OEM config in INIT ENV ");
diff --git a/src/mainboard/amd/parmer/Kconfig b/src/mainboard/amd/parmer/Kconfig
index e3b153d8e0..a4da2e2fdc 100644
--- a/src/mainboard/amd/parmer/Kconfig
+++ b/src/mainboard/amd/parmer/Kconfig
@@ -104,4 +104,8 @@ config WARNINGS_ARE_ERRORS
 	bool
 	default n
 
+config HUDSON_LEGACY_FREE
+	bool
+	default y
+
 endif # BOARD_AMD_PARMER
diff --git a/src/mainboard/amd/thatcher/BiosCallOuts.c b/src/mainboard/amd/thatcher/BiosCallOuts.c
index d4da61aa79..ba32727b88 100644
--- a/src/mainboard/amd/thatcher/BiosCallOuts.c
+++ b/src/mainboard/amd/thatcher/BiosCallOuts.c
@@ -717,9 +717,12 @@ AGESA_STATUS Fch_Oem_config(UINT32 Func, UINT32 FchData, VOID *ConfigPtr)
 	FCH_RESET_DATA_BLOCK *FchParams = (FCH_RESET_DATA_BLOCK *)FchData;
 
 	if (FchParams->StdHeader->Func == AMD_INIT_RESET) {
-		//FCH_RESET_DATA_BLOCK *FchParams_reset =  (FCH_RESET_DATA_BLOCK *) FchData;
+		FCH_RESET_DATA_BLOCK *FchParams_reset =  (FCH_RESET_DATA_BLOCK *) FchData;
 		printk(BIOS_DEBUG, "Fch OEM config in INIT RESET ");
 		//FchParams_reset->EcChannel0 = TRUE; /* logical devicd 3 */
+#if CONFIG_HUDSON_LEGACY_FREE
+		FchParams_reset->LegacyFree = 1;
+#endif
 	} else if (FchParams->StdHeader->Func == AMD_INIT_ENV) {
 		FCH_DATA_BLOCK *FchParams_env = (FCH_DATA_BLOCK *)FchData;
 		printk(BIOS_DEBUG, "Fch OEM config in INIT ENV ");
diff --git a/src/mainboard/amd/thatcher/Kconfig b/src/mainboard/amd/thatcher/Kconfig
index 77000347ea..0fe97fa1c8 100644
--- a/src/mainboard/amd/thatcher/Kconfig
+++ b/src/mainboard/amd/thatcher/Kconfig
@@ -105,4 +105,8 @@ config WARNINGS_ARE_ERRORS
 	bool
 	default n
 
+config HUDSON_LEGACY_FREE
+	bool
+	default y
+
 endif # BOARD_AMD_THATCHER
diff --git a/src/southbridge/amd/agesa/hudson/Kconfig b/src/southbridge/amd/agesa/hudson/Kconfig
index c315250fbb..3a97e602ee 100644
--- a/src/southbridge/amd/agesa/hudson/Kconfig
+++ b/src/southbridge/amd/agesa/hudson/Kconfig
@@ -213,3 +213,9 @@ config S3_VOLATILE_POS
 	  non-volitile storage at cold boot stage.
 
 endif
+
+config HUDSON_LEGACY_FREE
+	bool "System is legacy free"
+	help
+	  Select y if there is no keyboard controller in the system.
+	  This sets variables in AGESA and ACPI.
diff --git a/src/southbridge/amd/agesa/hudson/fadt.c b/src/southbridge/amd/agesa/hudson/fadt.c
index 27b5600ca6..bf1b0fc0db 100644
--- a/src/southbridge/amd/agesa/hudson/fadt.c
+++ b/src/southbridge/amd/agesa/hudson/fadt.c
@@ -28,7 +28,11 @@
 #include <device/device.h>
 #include "hudson.h"
 
-#define FADT_BOOT_ARCH (ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042)
+#if CONFIG_HUDSON_LEGACY_FREE
+	#define FADT_BOOT_ARCH ACPI_FADT_LEGACY_FREE
+#else
+	#define FADT_BOOT_ARCH (ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042)
+#endif
 
 #ifndef FADT_PM_PROFILE
 	#define FADT_PM_PROFILE PM_UNSPECIFIED
@@ -86,7 +90,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 					* index 60-6B to decode ACPI I/O address.
 					* AcpiSmiEn & SmiCmdEn*/
 	/* RTC_En_En, TMR_En_En, GBL_EN_EN */
-	outl(0x1, ACPI_PM1_CNT_BLK);		  /* set SCI_EN */
+	outl(0x1, ACPI_PM1_CNT_BLK);			/* set SCI_EN */
 	fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
 	fadt->pm1b_evt_blk = 0x0000;
 	fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;