diff --git a/src/soc/intel/alderlake/pmc.c b/src/soc/intel/alderlake/pmc.c
index c9a089b..f0b35db 100644
--- a/src/soc/intel/alderlake/pmc.c
+++ b/src/soc/intel/alderlake/pmc.c
@@ -85,8 +85,7 @@
 	struct resource *res;
 
 	/* Add the fixed MMIO resource */
-	mmio_resource_kb(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS / KiB,
-			PCH_PWRM_BASE_SIZE / KiB);
+	mmio_range(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
 
 	/* Add the fixed I/O resource */
 	res = new_resource(dev, 1);
diff --git a/src/soc/intel/cannonlake/pmc.c b/src/soc/intel/cannonlake/pmc.c
index b85a12a..2a3f832 100644
--- a/src/soc/intel/cannonlake/pmc.c
+++ b/src/soc/intel/cannonlake/pmc.c
@@ -74,8 +74,7 @@
 	struct resource *res;
 
 	/* Add the fixed MMIO resource */
-	mmio_resource_kb(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS / KiB,
-			PCH_PWRM_BASE_SIZE / KiB);
+	mmio_range(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
 
 	/* Add the fixed I/O resource */
 	res = new_resource(dev, 1);
diff --git a/src/soc/intel/elkhartlake/pmc.c b/src/soc/intel/elkhartlake/pmc.c
index 27d00d7..e3e4ec0 100644
--- a/src/soc/intel/elkhartlake/pmc.c
+++ b/src/soc/intel/elkhartlake/pmc.c
@@ -71,8 +71,7 @@
 {
 	struct resource *res;
 
-	mmio_resource_kb(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS / KiB,
-			PCH_PWRM_BASE_SIZE / KiB);
+	mmio_range(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
 
 	res = new_resource(dev, 1);
 	res->base = (resource_t)ACPI_BASE_ADDRESS;
diff --git a/src/soc/intel/jasperlake/pmc.c b/src/soc/intel/jasperlake/pmc.c
index 8f79f0c..cb18fde 100644
--- a/src/soc/intel/jasperlake/pmc.c
+++ b/src/soc/intel/jasperlake/pmc.c
@@ -71,8 +71,7 @@
 {
 	struct resource *res;
 
-	mmio_resource_kb(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS / KiB,
-			PCH_PWRM_BASE_SIZE / KiB);
+	mmio_range(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
 
 	res = new_resource(dev, 1);
 	res->base = (resource_t)ACPI_BASE_ADDRESS;
diff --git a/src/soc/intel/meteorlake/pmc.c b/src/soc/intel/meteorlake/pmc.c
index 9a2c982..454ba9c 100644
--- a/src/soc/intel/meteorlake/pmc.c
+++ b/src/soc/intel/meteorlake/pmc.c
@@ -80,8 +80,7 @@
 	struct resource *res;
 
 	/* Add the fixed MMIO resource */
-	mmio_resource_kb(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS / KiB,
-			PCH_PWRM_BASE_SIZE / KiB);
+	mmio_range(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
 
 	/* Add the fixed I/O resource */
 	res = new_resource(dev, 1);
diff --git a/src/soc/intel/tigerlake/pmc.c b/src/soc/intel/tigerlake/pmc.c
index 51d46f8..0bba1a0 100644
--- a/src/soc/intel/tigerlake/pmc.c
+++ b/src/soc/intel/tigerlake/pmc.c
@@ -84,8 +84,7 @@
 	struct resource *res;
 
 	/* Add the fixed MMIO resource */
-	mmio_resource_kb(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS / KiB,
-			PCH_PWRM_BASE_SIZE / KiB);
+	mmio_range(dev, PWRMBASE, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
 
 	/* Add the fixed I/O resource */
 	res = new_resource(dev, 1);