diff --git a/src/southbridge/amd/pi/hudson/Kconfig b/src/southbridge/amd/pi/hudson/Kconfig
index 233260f026..25dbdb85cd 100644
--- a/src/southbridge/amd/pi/hudson/Kconfig
+++ b/src/southbridge/amd/pi/hudson/Kconfig
@@ -219,6 +219,15 @@ config SERIRQ_CONTINUOUS_MODE
 	help
 	  Set this option to y for serial IRQ in continuous mode.
 	  Otherwise it is in quiet mode.
+
+config HUDSON_ACPI_IO_BASE
+	hex
+	default 0x400 if CPU_AMD_PI_00670F00_FP4 || CPU_AMD_PI_00670F00_FT4
+	default 0x800
+	help
+	  Base address for the ACPI registers.
+	  This value must match the hardcoded value of AGESA.
+
 endif
 
 config HUDSON_UART
diff --git a/src/southbridge/amd/pi/hudson/hudson.h b/src/southbridge/amd/pi/hudson/hudson.h
index e20238f2c3..2ccd485b68 100644
--- a/src/southbridge/amd/pi/hudson/hudson.h
+++ b/src/southbridge/amd/pi/hudson/hudson.h
@@ -51,7 +51,7 @@
 #define PM_YANG_SD_FLASH_CTRL		0xE8
 #define PM_PCIB_CFG			0xEA
 
-#define HUDSON_ACPI_IO_BASE		0x800
+#define HUDSON_ACPI_IO_BASE		CONFIG_HUDSON_ACPI_IO_BASE
 #define ACPI_PM_EVT_BLK		(HUDSON_ACPI_IO_BASE + 0x00) /* 4 bytes */
 #define ACPI_PM1_CNT_BLK	(HUDSON_ACPI_IO_BASE + 0x04) /* 2 bytes */
 #define ACPI_PM_TMR_BLK		(HUDSON_ACPI_IO_BASE + 0x18) /* 4 bytes */