diff --git a/src/soc/intel/braswell/lpe.c b/src/soc/intel/braswell/lpe.c
index 230c6dee..92632d8 100644
--- a/src/soc/intel/braswell/lpe.c
+++ b/src/soc/intel/braswell/lpe.c
@@ -154,8 +154,8 @@
 	res->align = 12;
 	res->flags = IORESOURCE_MEM;
 
-	reserved_ram_resource_kb(dev, FIRMWARE_PCI_REG_BASE, FIRMWARE_PHYS_BASE >> 10,
-			      FIRMWARE_PHYS_LENGTH >> 10);
+	reserved_ram_range(dev, FIRMWARE_PCI_REG_BASE, FIRMWARE_PHYS_BASE,
+			   FIRMWARE_PHYS_LENGTH);
 }
 
 static void lpe_set_resources(struct device *dev)
diff --git a/src/soc/intel/braswell/northcluster.c b/src/soc/intel/braswell/northcluster.c
index 63347ee..ca4651b 100644
--- a/src/soc/intel/braswell/northcluster.c
+++ b/src/soc/intel/braswell/northcluster.c
@@ -124,8 +124,8 @@
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	mmio_resource_kb(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
-	reserved_ram_resource_kb(dev, index++, (0xc0000 >> 10), (0x100000 - 0xc0000) >> 10);
+	mmio_from_to(dev, index++, 0xa0000, 0xc0000);
+	reserved_ram_from_to(dev, index++, 0xc0000, 1 * MiB);
 
 	/*
 	 * Reserve local APIC