diff --git a/src/southbridge/intel/bd82x6x/early_thermal.c b/src/southbridge/intel/bd82x6x/early_thermal.c
index e73f3a5908..60c08d136d 100644
--- a/src/southbridge/intel/bd82x6x/early_thermal.c
+++ b/src/southbridge/intel/bd82x6x/early_thermal.c
@@ -22,6 +22,9 @@ static uint16_t read16p (uintptr_t addr)
 	return read16((u16 *)addr);
 }
 
+/* Temporary address for the thermal BAR */
+#define TBARB_TEMP 0x40000000
+
 /* Early thermal init, must be done prior to giving ME its memory
    which is done at the end of raminit.  */
 void early_thermal_init(void)
@@ -32,31 +35,31 @@ void early_thermal_init(void)
 	dev = PCI_DEV(0x0, 0x1f, 0x6);
 
 	/* Program address for temporary BAR.  */
-	pci_write_config32(dev, 0x40, 0x40000000);
+	pci_write_config32(dev, 0x40, TBARB_TEMP);
 	pci_write_config32(dev, 0x44, 0x0);
 
 	/* Activate temporary BAR.  */
 	pci_write_config32(dev, 0x40, pci_read_config32(dev, 0x40) | 5);
 
+	write16p(TBARB_TEMP + 0x04, 0x3a2b);
 
-	write16p(0x40000004, 0x3a2b);
-	write8p(0x4000000c, 0xff);
-	write8p(0x4000000d, 0x00);
-	write8p(0x4000000e, 0x40);
-	write8p(0x40000082, 0x00);
-	write8p(0x40000001, 0xba);
+	write8p(TBARB_TEMP + 0x0c, 0xff);
+	write8p(TBARB_TEMP + 0x0d, 0x00);
+	write8p(TBARB_TEMP + 0x0e, 0x40);
+	write8p(TBARB_TEMP + 0x82, 0x00);
+	write8p(TBARB_TEMP + 0x01, 0xba);
 
 	/* Perform init.  */
 	/* Configure TJmax.  */
 	msr = rdmsr(MSR_TEMPERATURE_TARGET);
-	write16p(0x40000012, ((msr.lo >> 16) & 0xff) << 6);
+	write16p(TBARB_TEMP + 0x12, ((msr.lo >> 16) & 0xff) << 6);
 	/* Northbridge temperature slope and offset */
-	write16p(0x40000016, 0x808c);
+	write16p(TBARB_TEMP + 0x16, 0x808c);
 
-	write16p(0x40000014, 0xde87);
+	write16p(TBARB_TEMP + 0x14, 0xde87);
 
 	/* Enable thermal data reporting, processor, PCH and northbridge */
-	write16p(0x4000001a, (read16p(0x4000001a) & ~0xf) | 0x10f0);
+	write16p(TBARB_TEMP + 0x1a, (read16p(TBARB_TEMP + 0x1a) & ~0xf) | 0x10f0);
 
 	/* Disable temporary BAR */
 	pci_write_config32(dev, 0x40, pci_read_config32(dev, 0x40) & ~1);