diff --git a/src/southbridge/intel/i82801dx/Kconfig b/src/southbridge/intel/i82801dx/Kconfig
index aeaee8fe7d..af8300e8ed 100644
--- a/src/southbridge/intel/i82801dx/Kconfig
+++ b/src/southbridge/intel/i82801dx/Kconfig
@@ -16,6 +16,7 @@
 
 config SOUTHBRIDGE_INTEL_I82801DX
 	bool
+	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
 	select SOUTHBRIDGE_INTEL_COMMON
 	select IOAPIC
 	select HAVE_HARD_RESET
diff --git a/src/southbridge/intel/i82801dx/i82801dx.h b/src/southbridge/intel/i82801dx/i82801dx.h
index 996993d5eb..821ed2ca24 100644
--- a/src/southbridge/intel/i82801dx/i82801dx.h
+++ b/src/southbridge/intel/i82801dx/i82801dx.h
@@ -27,6 +27,8 @@
 #ifndef I82801DX_H
 #define I82801DX_H
 
+#include <arch/acpi.h>
+
 #if !defined(__ASSEMBLER__)
 #if !defined(__PRE_RAM__)
 #include "chip.h"
@@ -147,8 +149,6 @@ int smbus_read_byte(unsigned device, unsigned address);
 #define   GBL_EN	(1 << 5)
 #define   TMROF_EN	(1 << 0)
 #define PM1_CNT		0x04
-#define   SLP_EN	(1 << 13)
-#define   SLP_TYP	(7 << 10)
 #define   GBL_RLS	(1 << 2)
 #define   BM_RLD	(1 << 1)
 #define   SCI_EN	(1 << 0)
diff --git a/src/southbridge/intel/i82801dx/smihandler.c b/src/southbridge/intel/i82801dx/smihandler.c
index dcd3df1a76..7004764f36 100644
--- a/src/southbridge/intel/i82801dx/smihandler.c
+++ b/src/southbridge/intel/i82801dx/smihandler.c
@@ -286,21 +286,21 @@ static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *stat
 	/* Figure out SLP_TYP */
 	reg32 = inl(pmbase + PM1_CNT);
 	printk(BIOS_SPEW, "SMI#: SLP = 0x%08x\n", reg32);
-	slp_typ = (reg32 >> 10) & 7;
+	slp_typ = acpi_sleep_from_pm1(reg32);
 
 	/* Next, do the deed.
 	 */
 
 	switch (slp_typ) {
-	case 0: printk(BIOS_DEBUG, "SMI#: Entering S0 (On)\n"); break;
-	case 1: printk(BIOS_DEBUG, "SMI#: Entering S1 (Assert STPCLK#)\n"); break;
-	case 5:
+	case ACPI_S0: printk(BIOS_DEBUG, "SMI#: Entering S0 (On)\n"); break;
+	case ACPI_S1: printk(BIOS_DEBUG, "SMI#: Entering S1 (Assert STPCLK#)\n"); break;
+	case ACPI_S3:
 		printk(BIOS_DEBUG, "SMI#: Entering S3 (Suspend-To-RAM)\n");
 		/* Invalidate the cache before going to S3 */
 		wbinvd();
 		break;
-	case 6: printk(BIOS_DEBUG, "SMI#: Entering S4 (Suspend-To-Disk)\n"); break;
-	case 7:
+	case ACPI_S4: printk(BIOS_DEBUG, "SMI#: Entering S4 (Suspend-To-Disk)\n"); break;
+	case ACPI_S5:
 		printk(BIOS_DEBUG, "SMI#: Entering S5 (Soft Power off)\n");
 
 		outl(0, pmbase + GPE0_EN);