diff --git a/src/northbridge/intel/ironlake/Kconfig b/src/northbridge/intel/ironlake/Kconfig
index 9fb7769..a614058 100644
--- a/src/northbridge/intel/ironlake/Kconfig
+++ b/src/northbridge/intel/ironlake/Kconfig
@@ -39,10 +39,10 @@
 	  The amount of anticipated stack usage in CAR by bootblock and
 	  other stages.
 
-config MMCONF_BASE_ADDRESS
+config ECAM_MMCONF_BASE_ADDRESS
 	default 0xe0000000
 
-config MMCONF_BUS_NUMBER
+config ECAM_MMCONF_BUS_NUMBER
 	default 256
 
 config INTEL_GMA_BCLV_OFFSET
diff --git a/src/northbridge/intel/ironlake/acpi/ironlake.asl b/src/northbridge/intel/ironlake/acpi/ironlake.asl
index 098dd13..b4bd8e9 100644
--- a/src/northbridge/intel/ironlake/acpi/ironlake.asl
+++ b/src/northbridge/intel/ironlake/acpi/ironlake.asl
@@ -14,7 +14,7 @@
 		Memory32Fixed(ReadWrite, CONFIG_FIXED_MCHBAR_MMIO_BASE, 0x00008000)
 		Memory32Fixed(ReadWrite, CONFIG_FIXED_DMIBAR_MMIO_BASE, 0x00001000)
 		Memory32Fixed(ReadWrite, CONFIG_FIXED_EPBAR_MMIO_BASE,  0x00001000)
-		Memory32Fixed(ReadWrite, CONFIG_MMCONF_BASE_ADDRESS, CONFIG_MMCONF_LENGTH)
+		Memory32Fixed(ReadWrite, CONFIG_ECAM_MMCONF_BASE_ADDRESS, CONFIG_ECAM_MMCONF_LENGTH)
 		Memory32Fixed(ReadWrite, 0xfed20000, 0x00020000) // Misc ICH
 		Memory32Fixed(ReadWrite, 0xfed40000, 0x00005000) // Misc ICH
 		Memory32Fixed(ReadWrite, 0xfed45000, 0x0004b000) // Misc ICH
diff --git a/src/northbridge/intel/ironlake/bootblock.c b/src/northbridge/intel/ironlake/bootblock.c
index 241eb43..58f49da 100644
--- a/src/northbridge/intel/ironlake/bootblock.c
+++ b/src/northbridge/intel/ironlake/bootblock.c
@@ -10,7 +10,7 @@
 static uint32_t encode_pciexbar_length(void)
 {
 	/* NOTE: Ironlake uses a different encoding for the PCIEXBAR length field */
-	switch (CONFIG_MMCONF_BUS_NUMBER) {
+	switch (CONFIG_ECAM_MMCONF_BUS_NUMBER) {
 		case 256: return 0 << 1;
 		case 128: return 6 << 1;
 		case  64: return 7 << 1;
@@ -27,7 +27,7 @@
 	 */
 	const pci_devfn_t qpi_sad = PCI_DEV(255, 0, 1);
 
-	const uint32_t reg32 = CONFIG_MMCONF_BASE_ADDRESS | encode_pciexbar_length() | 1;
+	const uint32_t reg32 = CONFIG_ECAM_MMCONF_BASE_ADDRESS | encode_pciexbar_length() | 1;
 	pci_io_write_config32(qpi_sad, SAD_PCIEXBAR + 4, 0);
 	pci_io_write_config32(qpi_sad, SAD_PCIEXBAR, reg32);
 }
diff --git a/src/northbridge/intel/ironlake/ironlake.h b/src/northbridge/intel/ironlake/ironlake.h
index 3fb1c10..9a8b21e 100644
--- a/src/northbridge/intel/ironlake/ironlake.h
+++ b/src/northbridge/intel/ironlake/ironlake.h
@@ -21,7 +21,7 @@
 
 #include "memmap.h"
 
-#define QUICKPATH_BUS (CONFIG_MMCONF_BUS_NUMBER - 1)
+#define QUICKPATH_BUS (CONFIG_ECAM_MMCONF_BUS_NUMBER - 1)
 
 #include <southbridge/intel/ibexpeak/pch.h>