diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c
index 274296d..84d9c10 100644
--- a/src/northbridge/intel/i945/early_init.c
+++ b/src/northbridge/intel/i945/early_init.c
@@ -158,10 +158,10 @@
 	printk(BIOS_DEBUG, "Setting up static southbridge registers...");
 
 	pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, DEFAULT_PMBASE | 1);
-	pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x44, 0x80); /* ACPI_CNTL: Enable ACPI BAR */
+	pci_write_config8(PCI_DEV(0, 0x1f, 0), ACPI_CNTL, ACPI_EN);
 
 	pci_write_config32(PCI_DEV(0, 0x1f, 0), GPIOBASE, DEFAULT_GPIOBASE | 1);
-	pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x4c, 0x10);	/* GC: Enable GPIOs */
+	pci_write_config8(PCI_DEV(0, 0x1f, 0), GPIO_CNTL, GPIO_EN);
 	setup_pch_gpios(&mainboard_gpio_map);
 	printk(BIOS_DEBUG, " done.\n");