diff --git a/src/cpu/amd/mtrr/amd_mtrr.c b/src/cpu/amd/mtrr/amd_mtrr.c
index d17eedd..58f44dd 100644
--- a/src/cpu/amd/mtrr/amd_mtrr.c
+++ b/src/cpu/amd/mtrr/amd_mtrr.c
@@ -19,5 +19,5 @@
 	printk(BIOS_INFO, "%s: uma size 0x%08x, memory start 0x%08x\n",
 			__func__, uma_size, uma_base);
 
-	uma_resource(nb, idx, uma_base / KiB, uma_size / KiB);
+	uma_resource_kb(nb, idx, uma_base / KiB, uma_size / KiB);
 }
diff --git a/src/device/device_util.c b/src/device/device_util.c
index 32f57ac..c377b85 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -822,7 +822,7 @@
 	}
 }
 
-void fixed_mem_resource(struct device *dev, unsigned long index,
+void fixed_mem_resource_kb(struct device *dev, unsigned long index,
 			unsigned long basek, unsigned long sizek,
 			unsigned long type)
 {
diff --git a/src/drivers/aspeed/ast2050/ast2050.c b/src/drivers/aspeed/ast2050/ast2050.c
index 7ead9a8..3aa4195 100644
--- a/src/drivers/aspeed/ast2050/ast2050.c
+++ b/src/drivers/aspeed/ast2050/ast2050.c
@@ -14,7 +14,7 @@
 static void aspeed_ast2050_read_resources(struct device *dev)
 {
 	/* Reserve VGA regions */
-	mmio_resource(dev, 3, 0xa0000 >> 10, 0x1ffff >> 10);
+	mmio_resource_kb(dev, 3, 0xa0000 >> 10, 0x1ffff >> 10);
 
 	/* Run standard resource read routine */
 	pci_dev_read_resources(dev);
diff --git a/src/drivers/pc80/tpm/tis.c b/src/drivers/pc80/tpm/tis.c
index cf46f76..06f5434 100644
--- a/src/drivers/pc80/tpm/tis.c
+++ b/src/drivers/pc80/tpm/tis.c
@@ -749,7 +749,7 @@
 static void lpc_tpm_read_resources(struct device *dev)
 {
 	/* Static 5K memory region specified in Kconfig */
-	mmio_resource(dev, 0, CONFIG_TPM_TIS_BASE_ADDRESS >> 10, 0x5000 >> 10);
+	mmio_resource_kb(dev, 0, CONFIG_TPM_TIS_BASE_ADDRESS >> 10, 0x5000 >> 10);
 }
 
 static void lpc_tpm_set_resources(struct device *dev)
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 237d836..7bcff80 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -310,29 +310,29 @@
 void fixed_io_resource(struct device *dev, unsigned long index,
 		unsigned long base, unsigned long size);
 
-void fixed_mem_resource(struct device *dev, unsigned long index,
+void fixed_mem_resource_kb(struct device *dev, unsigned long index,
 		  unsigned long basek, unsigned long sizek, unsigned long type);
 
 void mmconf_resource(struct device *dev, unsigned long index);
 
-/* It is the caller's responsibility to adjust regions such that ram_resource()
- * and mmio_resource() do not overlap.
+/* It is the caller's responsibility to adjust regions such that ram_resource_kb()
+ * and mmio_resource_kb() do not overlap.
  */
-#define ram_resource(dev, idx, basek, sizek) \
-	fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_CACHEABLE)
+#define ram_resource_kb(dev, idx, basek, sizek) \
+	fixed_mem_resource_kb(dev, idx, basek, sizek, IORESOURCE_CACHEABLE)
 
-#define reserved_ram_resource(dev, idx, basek, sizek) \
-	fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_CACHEABLE \
+#define reserved_ram_resource_kb(dev, idx, basek, sizek) \
+	fixed_mem_resource_kb(dev, idx, basek, sizek, IORESOURCE_CACHEABLE \
 		| IORESOURCE_RESERVE)
 
-#define bad_ram_resource(dev, idx, basek, sizek) \
-	reserved_ram_resource((dev), (idx), (basek), (sizek))
+#define bad_ram_resource_kb(dev, idx, basek, sizek) \
+	reserved_ram_resource_kb((dev), (idx), (basek), (sizek))
 
-#define uma_resource(dev, idx, basek, sizek) \
-	fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE)
+#define uma_resource_kb(dev, idx, basek, sizek) \
+	fixed_mem_resource_kb(dev, idx, basek, sizek, IORESOURCE_RESERVE)
 
-#define mmio_resource(dev, idx, basek, sizek) \
-	fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE)
+#define mmio_resource_kb(dev, idx, basek, sizek) \
+	fixed_mem_resource_kb(dev, idx, basek, sizek, IORESOURCE_RESERVE)
 
 #define io_resource(dev, idx, base, size) \
 	fixed_io_resource(dev, idx, base, size)
diff --git a/src/mainboard/emulation/qemu-aarch64/mainboard.c b/src/mainboard/emulation/qemu-aarch64/mainboard.c
index 988502f..181536c 100644
--- a/src/mainboard/emulation/qemu-aarch64/mainboard.c
+++ b/src/mainboard/emulation/qemu-aarch64/mainboard.c
@@ -13,7 +13,7 @@
 static void mainboard_enable(struct device *dev)
 {
 	int ram_size_mb = probe_ramsize((uintptr_t)_dram, CONFIG_DRAM_SIZE_MB);
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, ram_size_mb * KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, ram_size_mb * KiB);
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/emulation/qemu-armv7/mainboard.c b/src/mainboard/emulation/qemu-armv7/mainboard.c
index 439f243..4111caa 100644
--- a/src/mainboard/emulation/qemu-armv7/mainboard.c
+++ b/src/mainboard/emulation/qemu-armv7/mainboard.c
@@ -39,7 +39,7 @@
 
 	discovered = probe_ramsize((uintptr_t)_dram, CONFIG_DRAM_SIZE_MB);
 	printk(BIOS_DEBUG, "%d MiB of RAM discovered\n", discovered);
-	ram_resource(dev, 0, 0x60000000 >> 10, discovered << 10);
+	ram_resource_kb(dev, 0, 0x60000000 >> 10, discovered << 10);
 	init_gfx();
 }
 
diff --git a/src/mainboard/emulation/qemu-i440fx/mainboard.c b/src/mainboard/emulation/qemu-i440fx/mainboard.c
index a7c6b32..13f0766 100644
--- a/src/mainboard/emulation/qemu-i440fx/mainboard.c
+++ b/src/mainboard/emulation/qemu-i440fx/mainboard.c
@@ -37,7 +37,7 @@
 
 	if (CONFIG(ARCH_RAMSTAGE_X86_64)) {
 		/* Reserve page tables in DRAM. FIXME: Remove once x86_64 page tables reside in CBMEM */
-		reserved_ram_resource(dev, 0, CONFIG_ARCH_X86_64_PGTBL_LOC / KiB,
+		reserved_ram_resource_kb(dev, 0, CONFIG_ARCH_X86_64_PGTBL_LOC / KiB,
 			(6 * 0x1000) / KiB);
 	}
 }
diff --git a/src/mainboard/emulation/qemu-i440fx/northbridge.c b/src/mainboard/emulation/qemu-i440fx/northbridge.c
index b55ace0..708e3a6 100644
--- a/src/mainboard/emulation/qemu-i440fx/northbridge.c
+++ b/src/mainboard/emulation/qemu-i440fx/northbridge.c
@@ -65,10 +65,10 @@
 				       list[i].address, list[i].length);
 				if (list[i].address == 0) {
 					tomk = list[i].length / 1024;
-					ram_resource(dev, idx++, 0, 640);
-					ram_resource(dev, idx++, 768, tomk - 768);
+					ram_resource_kb(dev, idx++, 0, 640);
+					ram_resource_kb(dev, idx++, 768, tomk - 768);
 				} else {
-					ram_resource(dev, idx++,
+					ram_resource_kb(dev, idx++,
 						     list[i].address / 1024,
 						     list[i].length / 1024);
 				}
@@ -99,10 +99,10 @@
 		printk(BIOS_DEBUG, "QEMU: cmos: %lu MiB RAM above 4G.\n", high / 1024);
 
 		/* Report the memory regions. */
-		ram_resource(dev, idx++, 0, 640);
-		ram_resource(dev, idx++, 768, tomk - 768);
+		ram_resource_kb(dev, idx++, 0, 640);
+		ram_resource_kb(dev, idx++, 768, tomk - 768);
 		if (high)
-			ram_resource(dev, idx++, 4 * 1024 * 1024, high);
+			ram_resource_kb(dev, idx++, 4 * 1024 * 1024, high);
 	}
 
 	/* Reserve I/O ports used by QEMU */
@@ -119,10 +119,10 @@
 	}
 
 	/* A segment is legacy VGA region */
-	mmio_resource(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
 
 	/* C segment to 1MB is reserved RAM (low tables) */
-	reserved_ram_resource(dev, idx++, 0xc0000 / KiB, (1 * MiB - 0xc0000) / KiB);
+	reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, (1 * MiB - 0xc0000) / KiB);
 
 	if (q35 && ((tomk * 1024) < 0xb0000000)) {
 		/*
diff --git a/src/mainboard/emulation/qemu-power8/mainboard.c b/src/mainboard/emulation/qemu-power8/mainboard.c
index cfee99f..6f8016c 100644
--- a/src/mainboard/emulation/qemu-power8/mainboard.c
+++ b/src/mainboard/emulation/qemu-power8/mainboard.c
@@ -11,7 +11,7 @@
 	}
 
 	/* Where does RAM live? */
-	ram_resource(dev, 0, 2048, 32768);
+	ram_resource_kb(dev, 0, 2048, 32768);
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/emulation/qemu-power9/mainboard.c b/src/mainboard/emulation/qemu-power9/mainboard.c
index 6c178af..542339d 100644
--- a/src/mainboard/emulation/qemu-power9/mainboard.c
+++ b/src/mainboard/emulation/qemu-power9/mainboard.c
@@ -8,7 +8,7 @@
 {
 	if (!dev)
 		die("No dev0; die\n");
-	ram_resource(dev, 0, 0, (unsigned long)cbmem_top() / KiB);
+	ram_resource_kb(dev, 0, 0, (unsigned long)cbmem_top() / KiB);
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/emulation/qemu-q35/mainboard.c b/src/mainboard/emulation/qemu-q35/mainboard.c
index 534f606..594b256 100644
--- a/src/mainboard/emulation/qemu-q35/mainboard.c
+++ b/src/mainboard/emulation/qemu-q35/mainboard.c
@@ -55,12 +55,12 @@
 
 	if (CONFIG(ARCH_RAMSTAGE_X86_64)) {
 		/* Reserve page tables in DRAM. FIXME: Remove once x86_64 page tables reside in CBMEM */
-		reserved_ram_resource(dev, 0, CONFIG_ARCH_X86_64_PGTBL_LOC / KiB,
+		reserved_ram_resource_kb(dev, 0, CONFIG_ARCH_X86_64_PGTBL_LOC / KiB,
 			(6 * 0x1000) / KiB);
 	}
 
 	smm_region(&tseg_base, &tseg_size);
-	reserved_ram_resource(dev, ESMRAMC, tseg_base / 1024, tseg_size / 1024);
+	reserved_ram_resource_kb(dev, ESMRAMC, tseg_base / 1024, tseg_size / 1024);
 }
 
 
diff --git a/src/mainboard/emulation/qemu-riscv/mainboard.c b/src/mainboard/emulation/qemu-riscv/mainboard.c
index 78cbfe2..af0df9c 100644
--- a/src/mainboard/emulation/qemu-riscv/mainboard.c
+++ b/src/mainboard/emulation/qemu-riscv/mainboard.c
@@ -14,7 +14,7 @@
 	}
 
 	dram_mb_detected = probe_ramsize((uintptr_t)_dram, CONFIG_DRAM_SIZE_MB);
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, dram_mb_detected * MiB / KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, dram_mb_detected * MiB / KiB);
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/emulation/spike-riscv/mainboard.c b/src/mainboard/emulation/spike-riscv/mainboard.c
index 84a1155..2454f04 100644
--- a/src/mainboard/emulation/spike-riscv/mainboard.c
+++ b/src/mainboard/emulation/spike-riscv/mainboard.c
@@ -17,7 +17,7 @@
 		die("No dev0; die\n");
 	}
 
-	ram_resource(dev, 0, 0x80000000/KiB, ram_size/KiB);
+	ram_resource_kb(dev, 0, 0x80000000/KiB, ram_size/KiB);
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/sifive/hifive-unleashed/mainboard.c b/src/mainboard/sifive/hifive-unleashed/mainboard.c
index 22bd9fa..9dde848 100644
--- a/src/mainboard/sifive/hifive-unleashed/mainboard.c
+++ b/src/mainboard/sifive/hifive-unleashed/mainboard.c
@@ -6,7 +6,7 @@
 
 static void mainboard_enable(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram/KiB, sdram_size_mb()*KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram/KiB, sdram_size_mb()*KiB);
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c
index cf67d93..bacab24 100644
--- a/src/northbridge/amd/agesa/family14/northbridge.c
+++ b/src/northbridge/amd/agesa/family14/northbridge.c
@@ -554,7 +554,7 @@
 		/* See if we need a hole from 0xa0000 (640K) to 0xbffff (768K) */
 		if (basek < 640 && sizek > 768) {
 			printk(BIOS_DEBUG,"adsr - 0xa0000 to 0xbffff resource.\n");
-			ram_resource(dev, (idx | 0), basek, 640 - basek);
+			ram_resource_kb(dev, (idx | 0), basek, 640 - basek);
 			idx += 0x10;
 			basek = 768;
 			sizek = limitk - basek;
@@ -570,7 +570,7 @@
 				unsigned int pre_sizek;
 				pre_sizek = mmio_basek - basek;
 				if (pre_sizek > 0) {
-					ram_resource(dev, idx, basek,
+					ram_resource_kb(dev, idx, basek,
 						     pre_sizek);
 					idx += 0x10;
 					sizek -= pre_sizek;
@@ -585,7 +585,7 @@
 			}
 		}
 
-		ram_resource(dev, (idx | 0), basek, sizek);
+		ram_resource_kb(dev, (idx | 0), basek, sizek);
 		idx += 0x10;
 		printk(BIOS_DEBUG,
 			"%d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", 0,
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index 046f875..8a578e6 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -711,7 +711,7 @@
 
 		/* See if we need a hole from 0xa0000 (640K) to 0xbffff (768K) */
 		if (basek < 640 && sizek > 768) {
-			ram_resource(dev, (idx | i), basek, 640 - basek);
+			ram_resource_kb(dev, (idx | i), basek, 640 - basek);
 			idx += 0x10;
 			basek = 768;
 			sizek = limitk - basek;
@@ -724,7 +724,7 @@
 				unsigned int pre_sizek;
 				pre_sizek = mmio_basek - basek;
 				if (pre_sizek > 0) {
-					ram_resource(dev, (idx | i), basek, pre_sizek);
+					ram_resource_kb(dev, (idx | i), basek, pre_sizek);
 					idx += 0x10;
 					sizek -= pre_sizek;
 				}
@@ -740,7 +740,7 @@
 			}
 		}
 
-		ram_resource(dev, (idx | i), basek, sizek);
+		ram_resource_kb(dev, (idx | i), basek, sizek);
 		idx += 0x10;
 		printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n",
 				i, mmio_basek, basek, limitk);
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index 0dc3d0b..7a94aa5 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -723,7 +723,7 @@
 
 		/* See if we need a hole from 0xa0000 (640K) to 0xbffff (768K) */
 		if (basek < 640 && sizek > 768) {
-			ram_resource(dev, (idx | i), basek, 640 - basek);
+			ram_resource_kb(dev, (idx | i), basek, 640 - basek);
 			idx += 0x10;
 			basek = 768;
 			sizek = limitk - basek;
@@ -737,7 +737,7 @@
 				unsigned int pre_sizek;
 				pre_sizek = mmio_basek - basek;
 				if (pre_sizek > 0) {
-					ram_resource(dev, (idx | i), basek, pre_sizek);
+					ram_resource_kb(dev, (idx | i), basek, pre_sizek);
 					idx += 0x10;
 					sizek -= pre_sizek;
 				}
@@ -753,7 +753,7 @@
 			}
 		}
 
-		ram_resource(dev, (idx | i), basek, sizek);
+		ram_resource_kb(dev, (idx | i), basek, sizek);
 		idx += 0x10;
 		printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n",
 				i, mmio_basek, basek, limitk);
diff --git a/src/northbridge/amd/pi/00730F01/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index 52364a2..5fbd0e7 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -139,8 +139,8 @@
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: option ROMs and SeaBIOS (if used)
 	 */
-	mmio_resource(dev, index++, 0xa0000 >> 10, (0xc0000 - 0xa0000) >> 10);
-	reserved_ram_resource(dev, index++, 0xc0000 >> 10, (0x100000 - 0xc0000) >> 10);
+	mmio_resource_kb(dev, index++, 0xa0000 >> 10, (0xc0000 - 0xa0000) >> 10);
+	reserved_ram_resource_kb(dev, index++, 0xc0000 >> 10, (0x100000 - 0xc0000) >> 10);
 
 	if (fx_devs == 0)
 		get_fx_devs();
@@ -151,7 +151,7 @@
 		resource_t basek, limitk;
 		if (!get_dram_base_limit(0, &basek, &limitk))
 			return;
-		mmio_resource(dev, index++, limitk, 16*1024);
+		mmio_resource_kb(dev, index++, limitk, 16*1024);
 	}
 }
 
@@ -812,7 +812,7 @@
 
 		/* See if we need a hole from 0xa0000 (640K) to 0xfffff (1024K) */
 		if (basek < 640 && sizek > 1024) {
-			ram_resource(dev, (idx | i), basek, 640 - basek);
+			ram_resource_kb(dev, (idx | i), basek, 640 - basek);
 			idx += 0x10;
 			basek = 1024;
 			sizek = limitk - basek;
@@ -827,7 +827,7 @@
 				unsigned int pre_sizek;
 				pre_sizek = mmio_basek - basek;
 				if (pre_sizek > 0) {
-					ram_resource(dev, (idx | i), basek, pre_sizek);
+					ram_resource_kb(dev, (idx | i), basek, pre_sizek);
 					idx += 0x10;
 					sizek -= pre_sizek;
 				}
@@ -843,7 +843,7 @@
 			}
 		}
 
-		ram_resource(dev, (idx | i), basek, sizek);
+		ram_resource_kb(dev, (idx | i), basek, sizek);
 		idx += 0x10;
 		printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n",
 				i, mmio_basek, basek, limitk);
diff --git a/src/northbridge/intel/e7505/northbridge.c b/src/northbridge/intel/e7505/northbridge.c
index fb4d3e3..faa46e0d 100644
--- a/src/northbridge/intel/e7505/northbridge.c
+++ b/src/northbridge/intel/e7505/northbridge.c
@@ -39,14 +39,14 @@
 
 	/* Report the memory regions */
 	idx = 10;
-	ram_resource(dev, idx++, 0, tolmk);
-	mmio_resource(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
+	ram_resource_kb(dev, idx++, 0, tolmk);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
 
 	if (tomk > basek_4G)
-		ram_resource(dev, idx++, basek_4G, tomk - basek_4G);
+		ram_resource_kb(dev, idx++, basek_4G, tomk - basek_4G);
 
 	if (remaplimitk > remapbasek)
-		ram_resource(dev, idx++, remapbasek, remaplimitk - remapbasek);
+		ram_resource_kb(dev, idx++, remapbasek, remaplimitk - remapbasek);
 }
 
 static void mch_domain_set_resources(struct device *dev)
diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c
index 83039a8..d2a8742 100644
--- a/src/northbridge/intel/gm45/northbridge.c
+++ b/src/northbridge/intel/gm45/northbridge.c
@@ -103,7 +103,7 @@
 	printk(BIOS_INFO, "Available memory below 4GB: %uM\n", tomk >> 10);
 
 	/* Report lowest memory region */
-	ram_resource(dev, idx++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);
 
 	/*
 	 * Reserve everything between A segment and 1MB:
@@ -111,11 +111,11 @@
 	 * 0xa0000 - 0xbffff: Legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	mmio_resource(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
-	reserved_ram_resource(dev, idx++, 0xc0000 / KiB, (1*MiB - 0xc0000) / KiB);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
+	reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, (1*MiB - 0xc0000) / KiB);
 
 	/* Report < 4GB memory */
-	ram_resource(dev, idx++, 1*MiB / KiB, tomk - 1*MiB / KiB);
+	ram_resource_kb(dev, idx++, 1*MiB / KiB, tomk - 1*MiB / KiB);
 
 	/*
 	 * If >= 4GB installed then memory from TOLUD to 4GB
@@ -123,15 +123,15 @@
 	 */
 	touud >>= 10; /* Convert to KB */
 	if (touud > 4096 * 1024) {
-		ram_resource(dev, idx++, 4096 * 1024, touud - (4096 * 1024));
+		ram_resource_kb(dev, idx++, 4096 * 1024, touud - (4096 * 1024));
 		printk(BIOS_INFO, "Available memory above 4GB: %lluM\n",
 		       (touud >> 10) - 4096);
 	}
 
 	printk(BIOS_DEBUG, "Adding UMA memory area base=0x%llx "
 	       "size=0x%llx\n", ((u64)tomk) << 10, ((u64)uma_sizek) << 10);
-	/* Don't use uma_resource() as our UMA touches the PCI hole. */
-	fixed_mem_resource(dev, idx++, tomk, uma_sizek, IORESOURCE_RESERVE);
+	/* Don't use uma_resource_kb() as our UMA touches the PCI hole. */
+	fixed_mem_resource_kb(dev, idx++, tomk, uma_sizek, IORESOURCE_RESERVE);
 
 	mmconf_resource(dev, idx++);
 }
diff --git a/src/northbridge/intel/haswell/northbridge.c b/src/northbridge/intel/haswell/northbridge.c
index 5e57f9d..606461b 100644
--- a/src/northbridge/intel/haswell/northbridge.c
+++ b/src/northbridge/intel/haswell/northbridge.c
@@ -287,13 +287,13 @@
 	/* 0 - > 0xa0000 */
 	base_k = 0;
 	size_k = (0xa0000 >> 10) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* 0xc0000 -> TSEG - DPR */
 	base_k = 0xc0000 >> 10;
 	size_k = (unsigned long)(mc_values[TSEG_REG] >> 10) - base_k;
 	size_k -= dpr.size * MiB / KiB;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* TSEG - DPR -> BGSM */
 	resource = new_resource(dev, index++);
@@ -316,15 +316,15 @@
 	touud_k = mc_values[TOUUD_REG] >> 10;
 	size_k = touud_k - base_k;
 	if (touud_k > base_k)
-		ram_resource(dev, index++, base_k, size_k);
+		ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* Reserve everything between A segment and 1MB:
 	 *
 	 * 0xa0000 - 0xbffff: Legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	mmio_resource(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
-	reserved_ram_resource(dev, index++, (0xc0000 >> 10), (0x100000 - 0xc0000) >> 10);
+	mmio_resource_kb(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
+	reserved_ram_resource_kb(dev, index++, (0xc0000 >> 10), (0x100000 - 0xc0000) >> 10);
 
 	*resource_cnt = index;
 }
@@ -342,8 +342,8 @@
 
 	/* Add VT-d MMIO resources, if capable */
 	if (vtd_capable) {
-		mmio_resource(dev, index++, GFXVT_BASE_ADDRESS / KiB, GFXVT_BASE_SIZE / KiB);
-		mmio_resource(dev, index++, VTVC0_BASE_ADDRESS / KiB, VTVC0_BASE_SIZE / KiB);
+		mmio_resource_kb(dev, index++, GFXVT_BASE_ADDRESS / KiB, GFXVT_BASE_SIZE / KiB);
+		mmio_resource_kb(dev, index++, VTVC0_BASE_ADDRESS / KiB, VTVC0_BASE_SIZE / KiB);
 	}
 
 	/* Calculate and add DRAM resources */
diff --git a/src/northbridge/intel/i440bx/northbridge.c b/src/northbridge/intel/i440bx/northbridge.c
index 618141b..7162bb7 100644
--- a/src/northbridge/intel/i440bx/northbridge.c
+++ b/src/northbridge/intel/i440bx/northbridge.c
@@ -61,8 +61,8 @@
 
 		/* Report the memory regions. */
 		idx = 10;
-		ram_resource(dev, idx++, 0, 640);
-		ram_resource(dev, idx++, 768, tolmk - 768);
+		ram_resource_kb(dev, idx++, 0, 640);
+		ram_resource_kb(dev, idx++, 768, tolmk - 768);
 	}
 }
 
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c
index a111378f..5524b31 100644
--- a/src/northbridge/intel/i945/northbridge.c
+++ b/src/northbridge/intel/i945/northbridge.c
@@ -75,15 +75,15 @@
 	printk(BIOS_INFO, " (%dM)\n", (uint32_t)(tomk_stolen / KiB));
 
 	/* Report the memory regions */
-	ram_resource(dev, idx++, 0, 0xa0000 / KiB);
-	ram_resource(dev, idx++, 1 * MiB / KiB, (tomk - 1 * MiB / KiB));
-	uma_resource(dev, idx++, uma_memory_base / KiB, uma_memory_size / KiB);
-	mmio_resource(dev, idx++, tseg_memory_base / KiB, tseg_memory_size / KiB);
-	uma_resource(dev, idx++, cbmem_topk, delta_cbmem);
+	ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, idx++, 1 * MiB / KiB, (tomk - 1 * MiB / KiB));
+	uma_resource_kb(dev, idx++, uma_memory_base / KiB, uma_memory_size / KiB);
+	mmio_resource_kb(dev, idx++, tseg_memory_base / KiB, tseg_memory_size / KiB);
+	uma_resource_kb(dev, idx++, cbmem_topk, delta_cbmem);
 	/* legacy VGA memory */
-	mmio_resource(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
 	/* RAM to be used for option roms and BIOS */
-	reserved_ram_resource(dev, idx++, 0xc0000 / KiB, (1 * MiB - 0xc0000) / KiB);
+	reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, (1 * MiB - 0xc0000) / KiB);
 }
 
 static void mch_domain_set_resources(struct device *dev)
diff --git a/src/northbridge/intel/ironlake/northbridge.c b/src/northbridge/intel/ironlake/northbridge.c
index b74909f..d2f5c79 100644
--- a/src/northbridge/intel/ironlake/northbridge.c
+++ b/src/northbridge/intel/ironlake/northbridge.c
@@ -54,8 +54,8 @@
 	resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | IORESOURCE_FIXED |
 			  IORESOURCE_STORED | IORESOURCE_ASSIGNED;
 
-	mmio_resource(dev, index++, legacy_hole_base_k, (0xc0000 / KiB) - legacy_hole_base_k);
-	reserved_ram_resource(dev, index++, 0xc0000 / KiB, (0x100000 - 0xc0000) / KiB);
+	mmio_resource_kb(dev, index++, legacy_hole_base_k, (0xc0000 / KiB) - legacy_hole_base_k);
+	reserved_ram_resource_kb(dev, index++, 0xc0000 / KiB, (0x100000 - 0xc0000) / KiB);
 }
 
 #if CONFIG(HAVE_ACPI_TABLES)
@@ -105,10 +105,10 @@
 	printk(BIOS_DEBUG, "TOUUD: 0x%x\n", (unsigned int)touud);
 
 	/* Report the memory regions */
-	ram_resource(dev, index++, 0, 0xa0000 / KiB);
-	ram_resource(dev, index++, 1 * MiB / KiB, (tseg_base - 1 * MiB) / KiB);
+	ram_resource_kb(dev, index++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, index++, 1 * MiB / KiB, (tseg_base - 1 * MiB) / KiB);
 
-	mmio_resource(dev, index++, tseg_base / KiB, CONFIG_SMM_TSEG_SIZE / KiB);
+	mmio_resource_kb(dev, index++, tseg_base / KiB, CONFIG_SMM_TSEG_SIZE / KiB);
 
 	reg16 = pci_read_config16(pcidev_on_root(0, 0), GGC);
 	const int uma_sizes_gtt[16] =
@@ -130,17 +130,17 @@
 	if (gtt_base > tseg_end) {
 		/* Reserve the gap. MMIO doesn't work in this range. Keep
 		   it uncacheable, though, for easier MTRR allocation. */
-		mmio_resource(dev, index++, tseg_end / KiB, (gtt_base - tseg_end) / KiB);
+		mmio_resource_kb(dev, index++, tseg_end / KiB, (gtt_base - tseg_end) / KiB);
 	}
-	mmio_resource(dev, index++, gtt_base / KiB, uma_size_gtt * KiB);
-	mmio_resource(dev, index++, igd_base / KiB, uma_size_igd * KiB);
+	mmio_resource_kb(dev, index++, gtt_base / KiB, uma_size_gtt * KiB);
+	mmio_resource_kb(dev, index++, igd_base / KiB, uma_size_igd * KiB);
 
 	if (touud > 4096)
-		ram_resource(dev, index++, (4096 * KiB), ((touud - 4096) * KiB));
+		ram_resource_kb(dev, index++, (4096 * KiB), ((touud - 4096) * KiB));
 
 	/* This memory is not DMA-capable. */
 	if (touud >= 8192 - 64)
-		bad_ram_resource(dev, index++, 0x1fc000000ULL / KiB, 0x004000000 / KiB);
+		bad_ram_resource_kb(dev, index++, 0x1fc000000ULL / KiB, 0x004000000 / KiB);
 
 	add_fixed_resources(dev, index);
 }
diff --git a/src/northbridge/intel/pineview/northbridge.c b/src/northbridge/intel/pineview/northbridge.c
index 9e27223..4a5a918 100644
--- a/src/northbridge/intel/pineview/northbridge.c
+++ b/src/northbridge/intel/pineview/northbridge.c
@@ -35,8 +35,8 @@
 			| IORESOURCE_STORED
 			| IORESOURCE_ASSIGNED;
 
-	mmio_resource(dev, index++, legacy_hole_base_k, (0xc0000 / KiB) - legacy_hole_base_k);
-	reserved_ram_resource(dev, index++, 0xc0000 / KiB, (0x100000 - 0xc0000) / KiB);
+	mmio_resource_kb(dev, index++, legacy_hole_base_k, (0xc0000 / KiB) - legacy_hole_base_k);
+	reserved_ram_resource_kb(dev, index++, 0xc0000 / KiB, (0x100000 - 0xc0000) / KiB);
 }
 
 static void mch_domain_read_resources(struct device *dev)
@@ -98,12 +98,12 @@
 	printk(BIOS_DEBUG, "Unused RAM between cbmem_top and TOMK: 0x%xK\n", delta_cbmem);
 
 	/* Report the memory regions */
-	ram_resource(dev, index++, 0, 0xa0000 / KiB);
-	ram_resource(dev, index++, 1 * MiB / KiB, tomk - 1 * MiB / KiB);
-	mmio_resource(dev, index++, tseg_basek, tseg_sizek);
-	mmio_resource(dev, index++, gtt_basek,  gsm_sizek);
-	mmio_resource(dev, index++, igd_basek,  gms_sizek);
-	reserved_ram_resource(dev, index++, cbmem_topk, delta_cbmem);
+	ram_resource_kb(dev, index++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, index++, 1 * MiB / KiB, tomk - 1 * MiB / KiB);
+	mmio_resource_kb(dev, index++, tseg_basek, tseg_sizek);
+	mmio_resource_kb(dev, index++, gtt_basek,  gsm_sizek);
+	mmio_resource_kb(dev, index++, igd_basek,  gms_sizek);
+	reserved_ram_resource_kb(dev, index++, cbmem_topk, delta_cbmem);
 
 	/*
 	 * If > 4GB installed then memory from TOLUD to 4GB
@@ -111,7 +111,7 @@
 	 */
 	touud >>= 10; /* Convert to KB */
 	if (touud > top32memk) {
-		ram_resource(dev, index++, top32memk, touud - top32memk);
+		ram_resource_kb(dev, index++, top32memk, touud - top32memk);
 		printk(BIOS_INFO, "Available memory above 4GB: %lluM\n",
 			(touud - top32memk) / KiB);
 	}
diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c
index 1bc812a..032e500 100644
--- a/src/northbridge/intel/sandybridge/northbridge.c
+++ b/src/northbridge/intel/sandybridge/northbridge.c
@@ -64,23 +64,23 @@
 
 static void add_fixed_resources(struct device *dev, int index)
 {
-	mmio_resource(dev, index++, uma_memory_base >> 10, uma_memory_size >> 10);
+	mmio_resource_kb(dev, index++, uma_memory_base >> 10, uma_memory_size >> 10);
 
-	mmio_resource(dev, index++, legacy_hole_base_k, (0xc0000 >> 10) - legacy_hole_base_k);
+	mmio_resource_kb(dev, index++, legacy_hole_base_k, (0xc0000 >> 10) - legacy_hole_base_k);
 
-	reserved_ram_resource(dev, index++, 0xc0000 >> 10, (0x100000 - 0xc0000) >> 10);
+	reserved_ram_resource_kb(dev, index++, 0xc0000 >> 10, (0x100000 - 0xc0000) >> 10);
 
 	if (is_sandybridge()) {
 		/* Required for SandyBridge sighting 3715511 */
-		bad_ram_resource(dev, index++, 0x20000000 >> 10, 0x00200000 >> 10);
-		bad_ram_resource(dev, index++, 0x40000000 >> 10, 0x00200000 >> 10);
+		bad_ram_resource_kb(dev, index++, 0x20000000 >> 10, 0x00200000 >> 10);
+		bad_ram_resource_kb(dev, index++, 0x40000000 >> 10, 0x00200000 >> 10);
 	}
 
 	/* Reserve IOMMU BARs */
 	const u32 capid0_a = pci_read_config32(dev, CAPID0_A);
 	if (!(capid0_a & (1 << 23))) {
-		mmio_resource(dev, index++, GFXVT_BASE >> 10, 4);
-		mmio_resource(dev, index++, VTVC0_BASE >> 10, 4);
+		mmio_resource_kb(dev, index++, GFXVT_BASE >> 10, 4);
+		mmio_resource_kb(dev, index++, VTVC0_BASE >> 10, 4);
 	}
 }
 
@@ -200,15 +200,15 @@
 		dpr_size_k = dpr.size * MiB / KiB;
 		tomk -= dpr_size_k;
 		dpr_base_k = (tseg_base - dpr.size * MiB) / KiB;
-		reserved_ram_resource(dev, index++, dpr_base_k, dpr_size_k);
+		reserved_ram_resource_kb(dev, index++, dpr_base_k, dpr_size_k);
 		printk(BIOS_DEBUG, "DPR base 0x%08x size %uM\n", dpr_base_k * KiB, dpr.size);
 	}
 
 	printk(BIOS_INFO, "Available memory below 4GB: %lluM\n", tomk >> 10);
 
 	/* Report the memory regions */
-	ram_resource(dev, index++, 0, legacy_hole_base_k);
-	ram_resource(dev, index++, legacy_hole_base_k + legacy_hole_size_k,
+	ram_resource_kb(dev, index++, 0, legacy_hole_base_k);
+	ram_resource_kb(dev, index++, legacy_hole_base_k + legacy_hole_size_k,
 			  (tomk - (legacy_hole_base_k + legacy_hole_size_k)));
 
 	/*
@@ -217,7 +217,7 @@
 	 */
 	touud >>= 10; /* Convert to KB */
 	if (touud > 4096 * 1024) {
-		ram_resource(dev, index++, 4096 * 1024, touud - (4096 * 1024));
+		ram_resource_kb(dev, index++, 4096 * 1024, touud - (4096 * 1024));
 		printk(BIOS_INFO, "Available memory above 4GB: %lluM\n", (touud >> 10) - 4096);
 	}
 
diff --git a/src/northbridge/intel/x4x/northbridge.c b/src/northbridge/intel/x4x/northbridge.c
index c92fd45..5b61224 100644
--- a/src/northbridge/intel/x4x/northbridge.c
+++ b/src/northbridge/intel/x4x/northbridge.c
@@ -81,12 +81,12 @@
 	printk(BIOS_INFO, "Available memory below 4GB: %uM\n", tomk >> 10);
 
 	/* Report the memory regions */
-	ram_resource(dev, index++, 0, legacy_hole_base_k);
-	mmio_resource(dev, index++, legacy_hole_base_k,
+	ram_resource_kb(dev, index++, 0, legacy_hole_base_k);
+	mmio_resource_kb(dev, index++, legacy_hole_base_k,
 			(0xc0000 >> 10) - legacy_hole_base_k);
-	reserved_ram_resource(dev, index++, 0xc0000 >> 10,
+	reserved_ram_resource_kb(dev, index++, 0xc0000 >> 10,
 			(0x100000 - 0xc0000) >> 10);
-	ram_resource(dev, index++, 0x100000 >> 10, (tomk - (0x100000 >> 10)));
+	ram_resource_kb(dev, index++, 0x100000 >> 10, (tomk - (0x100000 >> 10)));
 
 	/*
 	 * If >= 4GB installed then memory from TOLUD to 4GB
@@ -94,17 +94,17 @@
 	 */
 	touud >>= 10; /* Convert to KB */
 	if (touud > top32memk) {
-		ram_resource(dev, index++, top32memk, touud - top32memk);
+		ram_resource_kb(dev, index++, top32memk, touud - top32memk);
 		printk(BIOS_INFO, "Available memory above 4GB: %lluM\n",
 		       (touud - top32memk) >> 10);
 	}
 
 	printk(BIOS_DEBUG, "Adding UMA memory area base=0x%08x size=0x%08x\n",
 	       tomk << 10, uma_sizek << 10);
-	uma_resource(dev, index++, tomk, uma_sizek);
+	uma_resource_kb(dev, index++, tomk, uma_sizek);
 
 	/* Reserve high memory where the NB BARs are up to 4GiB */
-	fixed_mem_resource(dev, index++, DEFAULT_HECIBAR >> 10,
+	fixed_mem_resource_kb(dev, index++, DEFAULT_HECIBAR >> 10,
 				top32memk - (DEFAULT_HECIBAR >> 10),
 				IORESOURCE_RESERVE);
 
diff --git a/src/soc/amd/cezanne/root_complex.c b/src/soc/amd/cezanne/root_complex.c
index 1381df3..075f1a1f 100644
--- a/src/soc/amd/cezanne/root_complex.c
+++ b/src/soc/amd/cezanne/root_complex.c
@@ -118,27 +118,27 @@
 	   pci_dev_read_resources for it */
 
 	/* 0x0 - 0x9ffff */
-	ram_resource(dev, idx++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);
 
 	/* 0xa0000 - 0xbffff: legacy VGA */
-	mmio_resource(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
 
 	/* 0xc0000 - 0xfffff: Option ROM */
-	reserved_ram_resource(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
+	reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
 
 	/* 1MiB - bottom of DRAM reserved for early coreboot usage */
-	ram_resource(dev, idx++, (1 * MiB) / KiB,
+	ram_resource_kb(dev, idx++, (1 * MiB) / KiB,
 		     (early_reserved_dram_start - (1 * MiB)) / KiB);
 
 	/* DRAM reserved for early coreboot usage */
-	reserved_ram_resource(dev, idx++, early_reserved_dram_start / KiB,
+	reserved_ram_resource_kb(dev, idx++, early_reserved_dram_start / KiB,
 		(early_reserved_dram_end - early_reserved_dram_start) / KiB);
 
 	/*
 	 * top of DRAM consumed early - low top usable RAM
 	 * cbmem_top() accounts for low UMA and TSEG if they are used.
 	 */
-	ram_resource(dev, idx++, early_reserved_dram_end / KiB,
+	ram_resource_kb(dev, idx++, early_reserved_dram_end / KiB,
 		     (mem_usable - early_reserved_dram_end) / KiB);
 
 	mmconf_resource(dev, idx++);
@@ -162,9 +162,9 @@
 			continue; /* Done separately */
 
 		if (res->type == EFI_RESOURCE_SYSTEM_MEMORY)
-			ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
+			ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
 		else if (res->type == EFI_RESOURCE_MEMORY_RESERVED)
-			reserved_ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
+			reserved_ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
 		else
 			printk(BIOS_ERR, "failed to set resources for type %d\n",
 					res->type);
diff --git a/src/soc/amd/cezanne/uart.c b/src/soc/amd/cezanne/uart.c
index cf535d7..7917ebd 100644
--- a/src/soc/amd/cezanne/uart.c
+++ b/src/soc/amd/cezanne/uart.c
@@ -87,7 +87,7 @@
 
 static void uart_read_resources(struct device *dev)
 {
-	mmio_resource(dev, 0, dev->path.mmio.addr / KiB, 4);
+	mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4);
 }
 
 struct device_operations cezanne_uart_mmio_ops = {
diff --git a/src/soc/amd/common/block/i2c/i2c.c b/src/soc/amd/common/block/i2c/i2c.c
index 2a81286..30e02ee 100644
--- a/src/soc/amd/common/block/i2c/i2c.c
+++ b/src/soc/amd/common/block/i2c/i2c.c
@@ -117,7 +117,7 @@
 
 static void i2c_read_resources(struct device *dev)
 {
-	mmio_resource(dev, 0, dev->path.mmio.addr / KiB, 4);
+	mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4);
 }
 
 struct device_operations soc_amd_i2c_mmio_ops = {
diff --git a/src/soc/amd/common/block/lpc/lpc.c b/src/soc/amd/common/block/lpc/lpc.c
index 60c85b9..0eda7f2 100644
--- a/src/soc/amd/common/block/lpc/lpc.c
+++ b/src/soc/amd/common/block/lpc/lpc.c
@@ -117,7 +117,7 @@
 		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 
 	/* Add a memory resource for the SPI BAR. */
-	fixed_mem_resource(dev, 2, SPI_BASE_ADDRESS / KiB, 1,
+	fixed_mem_resource_kb(dev, 2, SPI_BASE_ADDRESS / KiB, 1,
 			IORESOURCE_SUBTRACTIVE);
 
 	res = new_resource(dev, 3); /* IOAPIC */
diff --git a/src/soc/amd/picasso/root_complex.c b/src/soc/amd/picasso/root_complex.c
index 73a50a9..ccf1c45 100644
--- a/src/soc/amd/picasso/root_complex.c
+++ b/src/soc/amd/picasso/root_complex.c
@@ -118,25 +118,25 @@
 	   pci_dev_read_resources for it */
 
 	/* 0x0 - 0x9ffff */
-	ram_resource(dev, idx++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);
 
 	/* 0xa0000 - 0xbffff: legacy VGA */
-	mmio_resource(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
 
 	/* 0xc0000 - 0xfffff: Option ROM */
-	reserved_ram_resource(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
+	reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
 
 	/* 1MB - bottom of DRAM reserved for early coreboot usage */
-	ram_resource(dev, idx++, (1 * MiB) / KiB,
+	ram_resource_kb(dev, idx++, (1 * MiB) / KiB,
 		     (early_reserved_dram_start - (1 * MiB)) / KiB);
 
 	/* DRAM reserved for early coreboot usage */
-	reserved_ram_resource(dev, idx++, early_reserved_dram_start / KiB,
+	reserved_ram_resource_kb(dev, idx++, early_reserved_dram_start / KiB,
 		(early_reserved_dram_end - early_reserved_dram_start) / KiB);
 
 	/* top of DRAM consumed early - low top usable RAM
 	 * cbmem_top() accounts for low UMA and TSEG if they are used. */
-	ram_resource(dev, idx++, early_reserved_dram_end / KiB,
+	ram_resource_kb(dev, idx++, early_reserved_dram_end / KiB,
 		     (mem_usable - early_reserved_dram_end) / KiB);
 
 	mmconf_resource(dev, idx++);
@@ -160,9 +160,9 @@
 			continue; /* Done separately */
 
 		if (res->type == EFI_RESOURCE_SYSTEM_MEMORY)
-			ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
+			ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
 		else if (res->type == EFI_RESOURCE_MEMORY_RESERVED)
-			reserved_ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
+			reserved_ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
 		else
 			printk(BIOS_ERR, "failed to set resources for type %d\n",
 					res->type);
diff --git a/src/soc/amd/picasso/uart.c b/src/soc/amd/picasso/uart.c
index 1ffb2fd..5763a5b 100644
--- a/src/soc/amd/picasso/uart.c
+++ b/src/soc/amd/picasso/uart.c
@@ -105,7 +105,7 @@
 
 static void uart_read_resources(struct device *dev)
 {
-	mmio_resource(dev, 0, dev->path.mmio.addr / KiB, 4);
+	mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4);
 }
 
 struct device_operations picasso_uart_mmio_ops = {
diff --git a/src/soc/amd/sabrina/root_complex.c b/src/soc/amd/sabrina/root_complex.c
index 8f91b2a..76ed765 100644
--- a/src/soc/amd/sabrina/root_complex.c
+++ b/src/soc/amd/sabrina/root_complex.c
@@ -120,27 +120,27 @@
 	   pci_dev_read_resources for it */
 
 	/* 0x0 - 0x9ffff */
-	ram_resource(dev, idx++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);
 
 	/* 0xa0000 - 0xbffff: legacy VGA */
-	mmio_resource(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
 
 	/* 0xc0000 - 0xfffff: Option ROM */
-	reserved_ram_resource(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
+	reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
 
 	/* 1MiB - bottom of DRAM reserved for early coreboot usage */
-	ram_resource(dev, idx++, (1 * MiB) / KiB,
+	ram_resource_kb(dev, idx++, (1 * MiB) / KiB,
 		     (early_reserved_dram_start - (1 * MiB)) / KiB);
 
 	/* DRAM reserved for early coreboot usage */
-	reserved_ram_resource(dev, idx++, early_reserved_dram_start / KiB,
+	reserved_ram_resource_kb(dev, idx++, early_reserved_dram_start / KiB,
 		(early_reserved_dram_end - early_reserved_dram_start) / KiB);
 
 	/*
 	 * top of DRAM consumed early - low top usable RAM
 	 * cbmem_top() accounts for low UMA and TSEG if they are used.
 	 */
-	ram_resource(dev, idx++, early_reserved_dram_end / KiB,
+	ram_resource_kb(dev, idx++, early_reserved_dram_end / KiB,
 		     (mem_usable - early_reserved_dram_end) / KiB);
 
 	mmconf_resource(dev, idx++);
@@ -164,9 +164,9 @@
 			continue; /* Done separately */
 
 		if (res->type == EFI_RESOURCE_SYSTEM_MEMORY)
-			ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
+			ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
 		else if (res->type == EFI_RESOURCE_MEMORY_RESERVED)
-			reserved_ram_resource(dev, idx++, res->addr / KiB, res->length / KiB);
+			reserved_ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
 		else
 			printk(BIOS_ERR, "Error: failed to set resources for type %d\n",
 					res->type);
diff --git a/src/soc/amd/sabrina/uart.c b/src/soc/amd/sabrina/uart.c
index 0ffdacf..981e6f0 100644
--- a/src/soc/amd/sabrina/uart.c
+++ b/src/soc/amd/sabrina/uart.c
@@ -114,7 +114,7 @@
 
 static void uart_read_resources(struct device *dev)
 {
-	mmio_resource(dev, 0, dev->path.mmio.addr / KiB, 4);
+	mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4);
 }
 
 struct device_operations sabrina_uart_mmio_ops = {
diff --git a/src/soc/amd/stoneyridge/northbridge.c b/src/soc/amd/stoneyridge/northbridge.c
index 2166ef4..a47ef25 100644
--- a/src/soc/amd/stoneyridge/northbridge.c
+++ b/src/soc/amd/stoneyridge/northbridge.c
@@ -396,23 +396,23 @@
 	pci_domain_read_resources(dev);
 
 	/* 0x0 -> 0x9ffff */
-	ram_resource(dev, idx++, 0, 0xa0000 / KiB);
+	ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);
 
 	/* 0xa0000 -> 0xbffff: legacy VGA */
-	mmio_resource(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
+	mmio_resource_kb(dev, idx++, 0xa0000 / KiB, 0x20000 / KiB);
 
 	/* 0xc0000 -> 0xfffff: Option ROM */
-	reserved_ram_resource(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
+	reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
 
 	/*
 	 * 0x100000 (1MiB) -> low top usable RAM
 	 * cbmem_top() accounts for low UMA and TSEG if they are used.
 	 */
-	ram_resource(dev, idx++, (1 * MiB) / KiB,
+	ram_resource_kb(dev, idx++, (1 * MiB) / KiB,
 			(mem_useable - (1 * MiB)) / KiB);
 
 	/* Low top usable RAM -> Low top RAM (bottom pci mmio hole) */
-	reserved_ram_resource(dev, idx++, mem_useable / KiB,
+	reserved_ram_resource_kb(dev, idx++, mem_useable / KiB,
 					(tom.lo - mem_useable) / KiB);
 
 	/* If there is memory above 4GiB */
@@ -424,12 +424,12 @@
 			high_mem_useable = ((uint64_t)high_tom.lo |
 						((uint64_t)high_tom.hi << 32));
 
-		ram_resource(dev, idx++, (4ull * GiB) / KiB,
+		ram_resource_kb(dev, idx++, (4ull * GiB) / KiB,
 				((high_mem_useable - (4ull * GiB)) / KiB));
 
 		/* High top usable RAM -> high top RAM */
 		if (uma_base >= (4ull * GiB)) {
-			reserved_ram_resource(dev, idx++, uma_base / KiB,
+			reserved_ram_resource_kb(dev, idx++, uma_base / KiB,
 						uma_size / KiB);
 		}
 	}
diff --git a/src/soc/cavium/cn81xx/soc.c b/src/soc/cavium/cn81xx/soc.c
index 368e925..85a9e00 100644
--- a/src/soc/cavium/cn81xx/soc.c
+++ b/src/soc/cavium/cn81xx/soc.c
@@ -323,7 +323,7 @@
 static void soc_read_resources(struct device *dev)
 {
 	// HACK: Don't advertise bootblock romstage CAR region, it's broken...
-	ram_resource(dev, 0, 2 * KiB, sdram_size_mb() * KiB - 2 * KiB);
+	ram_resource_kb(dev, 0, 2 * KiB, sdram_size_mb() * KiB - 2 * KiB);
 }
 
 static void soc_init_atf(void)
diff --git a/src/soc/intel/alderlake/pmc.c b/src/soc/intel/alderlake/pmc.c
index cce095a..7358fb6 100644
--- a/src/soc/intel/alderlake/pmc.c
+++ b/src/soc/intel/alderlake/pmc.c
@@ -85,7 +85,7 @@
 	struct resource *res;
 
 	/* Add the fixed MMIO resource */
-	mmio_resource(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
+	mmio_resource_kb(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
 
 	/* Add the fixed I/O resource */
 	res = new_resource(dev, 1);
diff --git a/src/soc/intel/apollolake/systemagent.c b/src/soc/intel/apollolake/systemagent.c
index d6e23ac..f352f8a 100644
--- a/src/soc/intel/apollolake/systemagent.c
+++ b/src/soc/intel/apollolake/systemagent.c
@@ -32,13 +32,13 @@
 		return;
 
 	if (MCHBAR32(GFXVTBAR) & VTBAR_ENABLED) {
-		mmio_resource(dev, *index,
+		mmio_resource_kb(dev, *index,
 			      (MCHBAR64(GFXVTBAR) & VTBAR_MASK) / KiB,
 			      VTBAR_SIZE / KiB);
 		(*index)++;
 	}
 	if (MCHBAR32(DEFVTBAR) & VTBAR_ENABLED) {
-		mmio_resource(dev, *index,
+		mmio_resource_kb(dev, *index,
 			      (MCHBAR64(DEFVTBAR) & VTBAR_MASK) / KiB,
 			      VTBAR_SIZE / KiB);
 		(*index)++;
diff --git a/src/soc/intel/baytrail/lpe.c b/src/soc/intel/baytrail/lpe.c
index 03ac736..851f52e 100644
--- a/src/soc/intel/baytrail/lpe.c
+++ b/src/soc/intel/baytrail/lpe.c
@@ -147,7 +147,7 @@
 {
 	pci_dev_read_resources(dev);
 
-	reserved_ram_resource(dev, FIRMWARE_PCI_REG_BASE,
+	reserved_ram_resource_kb(dev, FIRMWARE_PCI_REG_BASE,
 			      FIRMWARE_PHYS_BASE >> 10,
 			      FIRMWARE_PHYS_LENGTH >> 10);
 }
diff --git a/src/soc/intel/baytrail/northcluster.c b/src/soc/intel/baytrail/northcluster.c
index cd8c6d4..5b728e7 100644
--- a/src/soc/intel/baytrail/northcluster.c
+++ b/src/soc/intel/baytrail/northcluster.c
@@ -77,12 +77,12 @@
 
 	/* PCIe memory-mapped config space access - 256 MiB. */
 	mmconf = iosf_bunit_read(BUNIT_MMCONF_REG) & ~((1 << 28) - 1);
-	mmio_resource(dev, BUNIT_MMCONF_REG, RES_IN_KiB(mmconf), 256 * 1024);
+	mmio_resource_kb(dev, BUNIT_MMCONF_REG, RES_IN_KiB(mmconf), 256 * 1024);
 
 	/* 0 -> 0xa0000 */
 	base_k = RES_IN_KiB(0);
 	size_k = RES_IN_KiB(0xa0000) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* The SMMRR registers are 1MiB granularity with smmrrh being
 	 * inclusive of the SMM region. */
@@ -92,14 +92,14 @@
 	/* 0xc0000 -> smrrl - cacheable and usable */
 	base_k = RES_IN_KiB(0xc0000);
 	size_k = smmrrl - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	if (smmrrh > smmrrl)
-		reserved_ram_resource(dev, index++, smmrrl, smmrrh - smmrrl);
+		reserved_ram_resource_kb(dev, index++, smmrrl, smmrrh - smmrrl);
 
 	/* All address space between bmbound and smmrrh is unusable. */
 	bmbound_k = RES_IN_KiB(nc_read_top_of_low_memory());
-	mmio_resource(dev, index++, smmrrh, bmbound_k - smmrrh);
+	mmio_resource_kb(dev, index++, smmrrh, bmbound_k - smmrrh);
 
 	/*
 	 * The BMBOUND_HI register matches register bits of 31:24 with address
@@ -108,7 +108,7 @@
 	bmbound_hi = iosf_bunit_read(BUNIT_BMBOUND_HI) & ~((1 << 24) - 1);
 	bmbound_hi = RES_IN_KiB(bmbound_hi) << 4;
 	if (bmbound_hi > four_gig_kib)
-		ram_resource(dev, index++, four_gig_kib, bmbound_hi - four_gig_kib);
+		ram_resource_kb(dev, index++, four_gig_kib, bmbound_hi - four_gig_kib);
 
 	/*
 	 * Reserve everything between A segment and 1MB:
@@ -116,8 +116,8 @@
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	mmio_resource(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
-	reserved_ram_resource(dev, index++, (0xc0000 >> 10), (0x100000 - 0xc0000) >> 10);
+	mmio_resource_kb(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
+	reserved_ram_resource_kb(dev, index++, (0xc0000 >> 10), (0x100000 - 0xc0000) >> 10);
 }
 
 static void nc_generate_ssdt(const struct device *dev)
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index 8356e5d..5720545 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -26,7 +26,7 @@
 static inline void add_mmio_resource(struct device *dev, int i, unsigned long addr,
 				     unsigned long size)
 {
-	mmio_resource(dev, i, addr >> 10, size >> 10);
+	mmio_resource_kb(dev, i, addr >> 10, size >> 10);
 }
 
 static void sc_add_mmio_resources(struct device *dev)
diff --git a/src/soc/intel/braswell/lpe.c b/src/soc/intel/braswell/lpe.c
index 109ad84..27f38ea 100644
--- a/src/soc/intel/braswell/lpe.c
+++ b/src/soc/intel/braswell/lpe.c
@@ -154,7 +154,7 @@
 	res->align = 12;
 	res->flags = IORESOURCE_MEM;
 
-	reserved_ram_resource(dev, FIRMWARE_PCI_REG_BASE, FIRMWARE_PHYS_BASE >> 10,
+	reserved_ram_resource_kb(dev, FIRMWARE_PCI_REG_BASE, FIRMWARE_PHYS_BASE >> 10,
 			      FIRMWARE_PHYS_LENGTH >> 10);
 }
 
diff --git a/src/soc/intel/braswell/northcluster.c b/src/soc/intel/braswell/northcluster.c
index d9a516d..a39b6db 100644
--- a/src/soc/intel/braswell/northcluster.c
+++ b/src/soc/intel/braswell/northcluster.c
@@ -99,26 +99,26 @@
 
 	/* PCIe memory-mapped config space access - 256 MiB. */
 	mmconf = iosf_bunit_read(BUNIT_MMCONF_REG) & ~((1 << 28) - 1);
-	mmio_resource(dev, BUNIT_MMCONF_REG, RES_IN_KiB(mmconf), 256 * 1024);
+	mmio_resource_kb(dev, BUNIT_MMCONF_REG, RES_IN_KiB(mmconf), 256 * 1024);
 
 	/* 0 -> 0xa0000 */
 	base_k = RES_IN_KiB(0);
 	size_k = RES_IN_KiB(0xa0000) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* High memory -> fsp_res_base - cacheable and usable */
 	base_k = RES_IN_KiB(0x100000);
 	size_k = fsp_res_base_k - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* fsp_res_base -> tseg_top - Reserved */
 	base_k = fsp_res_base_k;
 	size_k = tseg_top_k - base_k;
-	reserved_ram_resource(dev, index++, base_k, size_k);
+	reserved_ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* TSEG TOP -> bmbound is memory backed mmio. */
 	bmbound_k = RES_IN_KiB(nc_read_top_of_low_memory());
-	mmio_resource(dev, index++, tseg_top_k, bmbound_k - tseg_top_k);
+	mmio_resource_kb(dev, index++, tseg_top_k, bmbound_k - tseg_top_k);
 
 	/*
 	 * The BMBOUND_HI register matches register bits of 31:24 with address
@@ -127,7 +127,7 @@
 	bmbound_hi = iosf_bunit_read(BUNIT_BMBOUND_HI) & ~((1 << 24) - 1);
 	bmbound_hi = RES_IN_KiB(bmbound_hi) << 4;
 	if (bmbound_hi > four_gig_kib)
-		ram_resource(dev, index++, four_gig_kib, bmbound_hi - four_gig_kib);
+		ram_resource_kb(dev, index++, four_gig_kib, bmbound_hi - four_gig_kib);
 
 	/*
 	 * Reserve everything between A segment and 1MB:
@@ -135,15 +135,15 @@
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	mmio_resource(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
-	reserved_ram_resource(dev, index++, (0xc0000 >> 10), (0x100000 - 0xc0000) >> 10);
+	mmio_resource_kb(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
+	reserved_ram_resource_kb(dev, index++, (0xc0000 >> 10), (0x100000 - 0xc0000) >> 10);
 
 	/*
 	 * Reserve local APIC
 	 */
 	base_k = RES_IN_KiB(LAPIC_DEFAULT_BASE);
 	size_k = RES_IN_KiB(0x00100000);
-	mmio_resource(dev, index++, base_k, size_k);
+	mmio_resource_kb(dev, index++, base_k, size_k);
 }
 
 static void nc_generate_ssdt(const struct device *dev)
diff --git a/src/soc/intel/braswell/southcluster.c b/src/soc/intel/braswell/southcluster.c
index c058850..0f762fc 100644
--- a/src/soc/intel/braswell/southcluster.c
+++ b/src/soc/intel/braswell/southcluster.c
@@ -48,7 +48,7 @@
 static inline void add_mmio_resource(struct device *dev, int i, unsigned long addr,
 				     unsigned long size)
 {
-	mmio_resource(dev, i, addr >> 10, size >> 10);
+	mmio_resource_kb(dev, i, addr >> 10, size >> 10);
 }
 
 static void sc_add_mmio_resources(struct device *dev)
diff --git a/src/soc/intel/broadwell/northbridge.c b/src/soc/intel/broadwell/northbridge.c
index a29a4f4..4825b88 100644
--- a/src/soc/intel/broadwell/northbridge.c
+++ b/src/soc/intel/broadwell/northbridge.c
@@ -317,13 +317,13 @@
 	/* 0 - > 0xa0000 */
 	base_k = 0;
 	size_k = (0xa0000 >> 10) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* 0xc0000 -> TSEG - DPR */
 	base_k = 0xc0000 >> 10;
 	size_k = (unsigned long)(mc_values[TSEG_REG] >> 10) - base_k;
 	size_k -= dpr_size >> 10;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* TSEG - DPR -> BGSM */
 	resource = new_resource(dev, index++);
@@ -346,15 +346,15 @@
 	touud_k = mc_values[TOUUD_REG] >> 10;
 	size_k = touud_k - base_k;
 	if (touud_k > base_k)
-		ram_resource(dev, index++, base_k, size_k);
+		ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* Reserve everything between A segment and 1MB:
 	 *
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	mmio_resource(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
-	reserved_ram_resource(dev, index++, (0xc0000 >> 10),
+	mmio_resource_kb(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
+	reserved_ram_resource_kb(dev, index++, (0xc0000 >> 10),
 				(0x100000 - 0xc0000) >> 10);
 
 	*resource_cnt = index;
@@ -374,9 +374,9 @@
 
 	/* Add VT-d MMIO resources if capable */
 	if (vtd_capable) {
-		mmio_resource(dev, index++, GFXVT_BASE_ADDRESS / KiB,
+		mmio_resource_kb(dev, index++, GFXVT_BASE_ADDRESS / KiB,
 			GFXVT_BASE_SIZE / KiB);
-		mmio_resource(dev, index++, VTVC0_BASE_ADDRESS / KiB,
+		mmio_resource_kb(dev, index++, VTVC0_BASE_ADDRESS / KiB,
 			VTVC0_BASE_SIZE / KiB);
 	}
 
diff --git a/src/soc/intel/cannonlake/pmc.c b/src/soc/intel/cannonlake/pmc.c
index b0febd0..f0a32b93 100644
--- a/src/soc/intel/cannonlake/pmc.c
+++ b/src/soc/intel/cannonlake/pmc.c
@@ -74,7 +74,7 @@
 	struct resource *res;
 
 	/* Add the fixed MMIO resource */
-	mmio_resource(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
+	mmio_resource_kb(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
 
 	/* Add the fixed I/O resource */
 	res = new_resource(dev, 1);
diff --git a/src/soc/intel/common/block/fast_spi/fast_spi.c b/src/soc/intel/common/block/fast_spi/fast_spi.c
index ed61c10..8dc173c 100644
--- a/src/soc/intel/common/block/fast_spi/fast_spi.c
+++ b/src/soc/intel/common/block/fast_spi/fast_spi.c
@@ -529,7 +529,7 @@
 	pci_dev_read_resources(dev);
 
 	/* Add SPI flash MMIO window as a reserved resource. */
-	mmio_resource(dev, 0, FLASH_BASE_ADDR / KiB, FLASH_MMIO_SIZE / KiB);
+	mmio_resource_kb(dev, 0, FLASH_BASE_ADDR / KiB, FLASH_MMIO_SIZE / KiB);
 }
 
 static struct device_operations fast_spi_dev_ops = {
diff --git a/src/soc/intel/common/block/p2sb/ioe_p2sb.c b/src/soc/intel/common/block/p2sb/ioe_p2sb.c
index 85d8bc1..e806417 100644
--- a/src/soc/intel/common/block/p2sb/ioe_p2sb.c
+++ b/src/soc/intel/common/block/p2sb/ioe_p2sb.c
@@ -28,7 +28,7 @@
 
 static void read_resources(struct device *dev)
 {
-	mmio_resource(dev, 0, IOE_P2SB_BAR / KiB, IOE_P2SB_SIZE / KiB);
+	mmio_resource_kb(dev, 0, IOE_P2SB_BAR / KiB, IOE_P2SB_SIZE / KiB);
 }
 
 struct device_operations device_ops = {
diff --git a/src/soc/intel/common/block/p2sb/p2sb.c b/src/soc/intel/common/block/p2sb/p2sb.c
index c23947c..910f01d 100644
--- a/src/soc/intel/common/block/p2sb/p2sb.c
+++ b/src/soc/intel/common/block/p2sb/p2sb.c
@@ -128,7 +128,7 @@
 	 * The following code makes sure that it doesn't change if the device
 	 * is visible and the resource allocator is being run.
 	 */
-	mmio_resource(dev, PCI_BASE_ADDRESS_0, P2SB_BAR / KiB, P2SB_SIZE / KiB);
+	mmio_resource_kb(dev, PCI_BASE_ADDRESS_0, P2SB_BAR / KiB, P2SB_SIZE / KiB);
 }
 
 static const struct device_operations device_ops = {
diff --git a/src/soc/intel/common/block/systemagent/systemagent.c b/src/soc/intel/common/block/systemagent/systemagent.c
index 19a413f..1d88d6a 100644
--- a/src/soc/intel/common/block/systemagent/systemagent.c
+++ b/src/soc/intel/common/block/systemagent/systemagent.c
@@ -108,7 +108,7 @@
 			sa_fixed_resources[i].description, sa_fixed_resources[i].base,
 			sa_fixed_resources[i].size);
 
-		mmio_resource(dev, index++, base / KiB, size / KiB);
+		mmio_resource_kb(dev, index++, base / KiB, size / KiB);
 	}
 
 	*resource_cnt = index;
@@ -197,26 +197,26 @@
 	/* 0 - > 0xa0000 */
 	base_k = 0;
 	size_k = (0xa0000 / KiB) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* 0xc0000 -> top_of_ram */
 	base_k = 0xc0000 / KiB;
 	size_k = (top_of_ram / KiB) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	sa_get_mem_map(dev, &sa_map_values[0]);
 
 	/* top_of_ram -> TOLUD */
 	base_k = top_of_ram;
 	size_k = sa_map_values[SA_TOLUD_REG] - base_k;
-	mmio_resource(dev, index++, base_k / KiB, size_k / KiB);
+	mmio_resource_kb(dev, index++, base_k / KiB, size_k / KiB);
 
 	/* 4GiB -> TOUUD */
 	base_k = 4 * (GiB / KiB); /* 4GiB */
 	touud_k = sa_map_values[SA_TOUUD_REG] / KiB;
 	size_k = touud_k - base_k;
 	if (touud_k > base_k)
-		ram_resource(dev, index++, base_k, size_k);
+		ram_resource_kb(dev, index++, base_k, size_k);
 
 	/*
 	 * Reserve everything between A segment and 1MB:
@@ -224,8 +224,8 @@
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	mmio_resource(dev, index++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
-	reserved_ram_resource(dev, index++, 0xc0000 / KiB,
+	mmio_resource_kb(dev, index++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
+	reserved_ram_resource_kb(dev, index++, 0xc0000 / KiB,
 			(1*MiB - 0xc0000) / KiB);
 
 	*resource_count = index;
@@ -249,7 +249,7 @@
 	 * out of MTRRs. Memory reserved by IMRs is not usable for host
 	 * so mark it reserved.
 	 */
-	reserved_ram_resource(dev, idx, base_k, size_k);
+	reserved_ram_resource_kb(dev, idx, base_k, size_k);
 }
 
 /*
@@ -295,7 +295,7 @@
 
 	/* Reserve the window used for extended BIOS decoding. */
 	if (CONFIG(FAST_SPI_SUPPORTS_EXT_BIOS_WINDOW))
-		mmio_resource(dev, index++, CONFIG_EXT_BIOS_WIN_BASE / KiB,
+		mmio_resource_kb(dev, index++, CONFIG_EXT_BIOS_WIN_BASE / KiB,
 			      CONFIG_EXT_BIOS_WIN_SIZE / KiB);
 }
 
diff --git a/src/soc/intel/denverton_ns/systemagent.c b/src/soc/intel/denverton_ns/systemagent.c
index 16b7328..774ab2d 100644
--- a/src/soc/intel/denverton_ns/systemagent.c
+++ b/src/soc/intel/denverton_ns/systemagent.c
@@ -238,12 +238,12 @@
 	/* 0 - > 0xa0000 */
 	base_k = 0;
 	size_k = (0xa0000 >> 10) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* 0x100000 -> top_of_ram */
 	base_k = 0x100000 >> 10;
 	size_k = (top_of_ram >> 10) - base_k;
-	ram_resource(dev, index++, base_k, size_k);
+	ram_resource_kb(dev, index++, base_k, size_k);
 
 	/* top_of_ram -> TSEG */
 	resource = new_resource(dev, index++);
@@ -269,7 +269,7 @@
 	touud_k = mc_values[TOUUD_REG] >> 10;
 	size_k = touud_k - base_k;
 	if (touud_k > base_k)
-		ram_resource(dev, index++, base_k, size_k);
+		ram_resource_kb(dev, index++, base_k, size_k);
 
 	/*
 	 * Reserve everything between A segment and 1MB:
@@ -277,8 +277,8 @@
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: reserved RAM
 	 */
-	mmio_resource(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
-	reserved_ram_resource(dev, index++, (0xc0000 >> 10),
+	mmio_resource_kb(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
+	reserved_ram_resource_kb(dev, index++, (0xc0000 >> 10),
 			      (0x100000 - 0xc0000) >> 10);
 }
 
diff --git a/src/soc/intel/elkhartlake/pmc.c b/src/soc/intel/elkhartlake/pmc.c
index cf736dd..223e170 100644
--- a/src/soc/intel/elkhartlake/pmc.c
+++ b/src/soc/intel/elkhartlake/pmc.c
@@ -71,7 +71,7 @@
 {
 	struct resource *res;
 
-	mmio_resource(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
+	mmio_resource_kb(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
 
 	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 5ad692b..b6a17f3 100644
--- a/src/soc/intel/jasperlake/pmc.c
+++ b/src/soc/intel/jasperlake/pmc.c
@@ -71,7 +71,7 @@
 {
 	struct resource *res;
 
-	mmio_resource(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
+	mmio_resource_kb(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
 
 	res = new_resource(dev, 1);
 	res->base = (resource_t)ACPI_BASE_ADDRESS;
diff --git a/src/soc/intel/quark/northcluster.c b/src/soc/intel/quark/northcluster.c
index 5cb0c81..af4dd24 100644
--- a/src/soc/intel/quark/northcluster.c
+++ b/src/soc/intel/quark/northcluster.c
@@ -20,7 +20,7 @@
 	/* 0 -> 0xa0000 */
 	base_k = 0;
 	size_k = 0xa0000 - base_k;
-	ram_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
+	ram_resource_kb(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
 
 	/*
 	 * Reserve everything between A segment and 1MB:
@@ -31,28 +31,28 @@
 	 */
 	base_k += size_k;
 	size_k = 0xc0000 - base_k;
-	mmio_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
+	mmio_resource_kb(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
 
 	base_k += size_k;
 	size_k = 0x100000 - base_k;
-	reserved_ram_resource(dev, index++, RES_IN_KIB(base_k),
+	reserved_ram_resource_kb(dev, index++, RES_IN_KIB(base_k),
 		RES_IN_KIB(size_k));
 
 	/* 0x100000 -> cbmem_top - cacheable and usable */
 	base_k += size_k;
 	size_k = (unsigned long)cbmem_top() - base_k;
-	ram_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
+	ram_resource_kb(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
 
 	/* cbmem_top -> 0xc0000000 - reserved */
 	base_k += size_k;
 	size_k = 0xc0000000 - base_k;
-	reserved_ram_resource(dev, index++, RES_IN_KIB(base_k),
+	reserved_ram_resource_kb(dev, index++, RES_IN_KIB(base_k),
 		RES_IN_KIB(size_k));
 
 	/* 0xc0000000 -> 4GiB is mmio. */
 	base_k += size_k;
 	size_k = 0x100000000ull - base_k;
-	mmio_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
+	mmio_resource_kb(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
 }
 
 static struct device_operations nc_ops = {
diff --git a/src/soc/intel/tigerlake/pmc.c b/src/soc/intel/tigerlake/pmc.c
index b8eb307..31a9cc4 100644
--- a/src/soc/intel/tigerlake/pmc.c
+++ b/src/soc/intel/tigerlake/pmc.c
@@ -84,7 +84,7 @@
 	struct resource *res;
 
 	/* Add the fixed MMIO resource */
-	mmio_resource(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
+	mmio_resource_kb(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB);
 
 	/* Add the fixed I/O resource */
 	res = new_resource(dev, 1);
diff --git a/src/soc/intel/xeon_sp/uncore.c b/src/soc/intel/xeon_sp/uncore.c
index e1931b1..8e92915 100644
--- a/src/soc/intel/xeon_sp/uncore.c
+++ b/src/soc/intel/xeon_sp/uncore.c
@@ -184,19 +184,19 @@
 	base_kb = 0;
 	size_kb = (0xa0000 >> 10);
 	LOG_MEM_RESOURCE("legacy_ram", dev, index, base_kb, size_kb);
-	ram_resource(dev, index++, base_kb, size_kb);
+	ram_resource_kb(dev, index++, base_kb, size_kb);
 
 	/* 1MB -> top_of_ram i.e., cbmem_top */
 	base_kb = (0x100000 >> 10);
 	size_kb = ((uintptr_t)cbmem_top() - 1 * MiB) >> 10;
 	LOG_MEM_RESOURCE("low_ram", dev, index, base_kb, size_kb);
-	ram_resource(dev, index++, base_kb, size_kb);
+	ram_resource_kb(dev, index++, base_kb, size_kb);
 
 	/* Mark TSEG/SMM region as reserved */
 	base_kb = (mc_values[TSEG_BASE_REG] >> 10);
 	size_kb = (mc_values[TSEG_LIMIT_REG] - mc_values[TSEG_BASE_REG] + 1) >> 10;
 	LOG_MEM_RESOURCE("mmio_tseg", dev, index, base_kb, size_kb);
-	reserved_ram_resource(dev, index++, base_kb, size_kb);
+	reserved_ram_resource_kb(dev, index++, base_kb, size_kb);
 
 	/* Reserve and set up DPR */
 	configure_dpr(dev);
@@ -204,7 +204,7 @@
 	if (dpr.size) {
 		uint64_t dpr_base_k = (dpr.top - dpr.size) << 10;
 		uint64_t dpr_size_k = dpr.size << 10;
-		reserved_ram_resource(dev, index++, dpr_base_k, dpr_size_k);
+		reserved_ram_resource_kb(dev, index++, dpr_base_k, dpr_size_k);
 		LOG_MEM_RESOURCE("dpr", dev, index, dpr_base_k, dpr_size_k);
 	}
 
@@ -213,7 +213,7 @@
 		base_kb = ((mc_values[TSEG_LIMIT_REG] + 1) >> 10);
 		size_kb = (mc_values[TOLM_REG] - mc_values[TSEG_LIMIT_REG]) >> 10;
 		LOG_MEM_RESOURCE("mmio_tolm", dev, index, base_kb, size_kb);
-		reserved_ram_resource(dev, index++, base_kb, size_kb);
+		reserved_ram_resource_kb(dev, index++, base_kb, size_kb);
 	}
 
 	/* 4GiB -> TOHM */
@@ -221,7 +221,7 @@
 		base_kb = (0x100000000 >> 10);
 		size_kb = (mc_values[TOHM_REG] - 0x100000000 + 1) >> 10;
 		LOG_MEM_RESOURCE("high_ram", dev, index, base_kb, size_kb);
-		ram_resource(dev, index++, base_kb, size_kb);
+		ram_resource_kb(dev, index++, base_kb, size_kb);
 	}
 
 	/* add MMIO CFG resource */
@@ -253,12 +253,12 @@
 	base_kb = VGA_BASE_ADDRESS >> 10;
 	size_kb = VGA_BASE_SIZE >> 10;
 	LOG_MEM_RESOURCE("legacy_mmio", dev, index, base_kb, size_kb);
-	mmio_resource(dev, index++, base_kb, size_kb);
+	mmio_resource_kb(dev, index++, base_kb, size_kb);
 
 	base_kb = (0xc0000 >> 10);
 	size_kb = (0x100000 - 0xc0000) >> 10;
 	LOG_MEM_RESOURCE("legacy_write_protect", dev, index, base_kb, size_kb);
-	reserved_ram_resource(dev, index++, base_kb, size_kb);
+	reserved_ram_resource_kb(dev, index++, base_kb, size_kb);
 
 	*res_count = index;
 }
diff --git a/src/soc/mediatek/mt8173/soc.c b/src/soc/mediatek/mt8173/soc.c
index 7a4eeb6..db349e0 100644
--- a/src/soc/mediatek/mt8173/soc.c
+++ b/src/soc/mediatek/mt8173/soc.c
@@ -12,7 +12,7 @@
 
 static void soc_read_resources(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/mediatek/mt8183/soc.c b/src/soc/mediatek/mt8183/soc.c
index c2e7d26..2b030be 100644
--- a/src/soc/mediatek/mt8183/soc.c
+++ b/src/soc/mediatek/mt8183/soc.c
@@ -10,7 +10,7 @@
 
 static void soc_read_resources(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/mediatek/mt8186/soc.c b/src/soc/mediatek/mt8186/soc.c
index 53e5065..8ae3b9d 100644
--- a/src/soc/mediatek/mt8186/soc.c
+++ b/src/soc/mediatek/mt8186/soc.c
@@ -17,7 +17,7 @@
 
 static void soc_read_resources(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/mediatek/mt8192/soc.c b/src/soc/mediatek/mt8192/soc.c
index cf1fe48..c0177a1 100644
--- a/src/soc/mediatek/mt8192/soc.c
+++ b/src/soc/mediatek/mt8192/soc.c
@@ -20,7 +20,7 @@
 
 static void soc_read_resources(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/mediatek/mt8195/soc.c b/src/soc/mediatek/mt8195/soc.c
index cf9f412..51ad524 100644
--- a/src/soc/mediatek/mt8195/soc.c
+++ b/src/soc/mediatek/mt8195/soc.c
@@ -23,7 +23,7 @@
 
 static void soc_read_resources(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, sdram_size() / KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/nvidia/tegra124/soc.c b/src/soc/nvidia/tegra124/soc.c
index 00c7009..914a569 100644
--- a/src/soc/nvidia/tegra124/soc.c
+++ b/src/soc/nvidia/tegra124/soc.c
@@ -19,15 +19,15 @@
 	u32 lcdbase = fb_base_mb();
 	unsigned long fb_size = FB_SIZE_MB;
 
-	ram_resource(dev, 0, (uintptr_t)_dram/KiB,
+	ram_resource_kb(dev, 0, (uintptr_t)_dram/KiB,
 		(sdram_max_addressable_mb() - fb_size)*KiB -
 		(uintptr_t)_dram/KiB);
-	mmio_resource(dev, 1, lcdbase*KiB, fb_size*KiB);
+	mmio_resource_kb(dev, 1, lcdbase*KiB, fb_size*KiB);
 
 	u32 sdram_end_mb = sdram_size_mb() + (uintptr_t)_dram/MiB;
 
 	if (sdram_end_mb > sdram_max_addressable_mb())
-		ram_resource(dev, 2, sdram_max_addressable_mb()*KiB,
+		ram_resource_kb(dev, 2, sdram_max_addressable_mb()*KiB,
 			(sdram_end_mb - sdram_max_addressable_mb())*KiB);
 }
 
diff --git a/src/soc/nvidia/tegra210/soc.c b/src/soc/nvidia/tegra210/soc.c
index 65c3d8e..72b155c 100644
--- a/src/soc/nvidia/tegra210/soc.c
+++ b/src/soc/nvidia/tegra210/soc.c
@@ -36,16 +36,16 @@
 		carveout_range(i, &begin, &size);
 		if (size == 0)
 			continue;
-		reserved_ram_resource(dev, index++, begin * KiB, size * KiB);
+		reserved_ram_resource_kb(dev, index++, begin * KiB, size * KiB);
 	}
 
 	memory_in_range_below_4gb(&begin, &end);
 	size = end - begin;
-	ram_resource(dev, index++, begin * KiB, size * KiB);
+	ram_resource_kb(dev, index++, begin * KiB, size * KiB);
 
 	memory_in_range_above_4gb(&begin, &end);
 	size = end - begin;
-	ram_resource(dev, index++, begin * KiB, size * KiB);
+	ram_resource_kb(dev, index++, begin * KiB, size * KiB);
 }
 
 static struct device_operations soc_ops = {
diff --git a/src/soc/qualcomm/ipq40xx/soc.c b/src/soc/qualcomm/ipq40xx/soc.c
index 32a22d5..c99ae6f 100644
--- a/src/soc/qualcomm/ipq40xx/soc.c
+++ b/src/soc/qualcomm/ipq40xx/soc.c
@@ -33,12 +33,12 @@
 {
 	ipq_mem_map_t *ipq_mem_map = ((ipq_mem_map_t *)_dram);
 
-	ram_resource(dev, 0, LINUX_REGION1_START_KB, LINUX_REGION1_SIZE_KB);
+	ram_resource_kb(dev, 0, LINUX_REGION1_START_KB, LINUX_REGION1_SIZE_KB);
 
-	reserved_ram_resource(dev, 1, RESERVED_START_KB, RESERVED_SIZE_KB);
+	reserved_ram_resource_kb(dev, 1, RESERVED_START_KB, RESERVED_SIZE_KB);
 
 	/* 0x88000000 to end, is the second region for Linux */
-	ram_resource(dev, 2, LINUX_REGION2_START_KB,
+	ram_resource_kb(dev, 2, LINUX_REGION2_START_KB,
 		     (CONFIG_DRAM_SIZE_MB * KiB) -
 			LINUX_REGION1_SIZE_KB - RESERVED_SIZE_KB);
 }
diff --git a/src/soc/qualcomm/ipq806x/soc.c b/src/soc/qualcomm/ipq806x/soc.c
index 327806f..481ffc8 100644
--- a/src/soc/qualcomm/ipq806x/soc.c
+++ b/src/soc/qualcomm/ipq806x/soc.c
@@ -10,8 +10,8 @@
 static void soc_read_resources(struct device *dev)
 {
 	/* Reserve bottom 0x150_0000 bytes for NSS, SMEM, etc. */
-	reserved_ram_resource(dev, 0, (uintptr_t)_dram / KiB, RESERVED_SIZE_KB);
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB + RESERVED_SIZE_KB,
+	reserved_ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, RESERVED_SIZE_KB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB + RESERVED_SIZE_KB,
 		     (CONFIG_DRAM_SIZE_MB * KiB) - RESERVED_SIZE_KB);
 }
 
diff --git a/src/soc/qualcomm/qcs405/soc.c b/src/soc/qualcomm/qcs405/soc.c
index 1237bb3..4bcad74 100644
--- a/src/soc/qualcomm/qcs405/soc.c
+++ b/src/soc/qualcomm/qcs405/soc.c
@@ -7,8 +7,8 @@
 
 static void soc_read_resources(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, (1 * GiB) / KiB);
-	reserved_ram_resource(dev, 1, (uintptr_t)_dram_reserved / KiB,
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, (1 * GiB) / KiB);
+	reserved_ram_resource_kb(dev, 1, (uintptr_t)_dram_reserved / KiB,
 			      REGION_SIZE(dram_reserved) / KiB);
 }
 
diff --git a/src/soc/qualcomm/sc7180/soc.c b/src/soc/qualcomm/sc7180/soc.c
index af274d2..c78121e 100644
--- a/src/soc/qualcomm/sc7180/soc.c
+++ b/src/soc/qualcomm/sc7180/soc.c
@@ -12,14 +12,14 @@
 	void *start = NULL;
 	void *end = NULL;
 
-	ram_resource(dev, 0, (uintptr_t)ddr_region->offset / KiB,
+	ram_resource_kb(dev, 0, (uintptr_t)ddr_region->offset / KiB,
 				ddr_region->size / KiB);
-	reserved_ram_resource(dev, 1, (uintptr_t)_dram_aop / KiB,
+	reserved_ram_resource_kb(dev, 1, (uintptr_t)_dram_aop / KiB,
 				REGION_SIZE(dram_aop) / KiB);
-	reserved_ram_resource(dev, 2, (uintptr_t)_dram_soc / KiB,
+	reserved_ram_resource_kb(dev, 2, (uintptr_t)_dram_soc / KiB,
 				REGION_SIZE(dram_soc) / KiB);
 	if (soc_modem_carve_out(&start, &end))
-		reserved_ram_resource(dev, 3, (uintptr_t)start / KiB, (end - start) / KiB);
+		reserved_ram_resource_kb(dev, 3, (uintptr_t)start / KiB, (end - start) / KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/qualcomm/sc7280/soc.c b/src/soc/qualcomm/sc7280/soc.c
index 98b62cc..2407439 100644
--- a/src/soc/qualcomm/sc7280/soc.c
+++ b/src/soc/qualcomm/sc7280/soc.c
@@ -12,20 +12,20 @@
 	void *start = NULL;
 	void *end = NULL;
 
-	ram_resource(dev, 0, (uintptr_t)ddr_region->offset / KiB,
+	ram_resource_kb(dev, 0, (uintptr_t)ddr_region->offset / KiB,
 				ddr_region->size / KiB);
-	reserved_ram_resource(dev, 1, (uintptr_t)_dram_soc / KiB,
+	reserved_ram_resource_kb(dev, 1, (uintptr_t)_dram_soc / KiB,
 				REGION_SIZE(dram_soc) / KiB);
-	reserved_ram_resource(dev, 2, (uintptr_t)_dram_wlan / KiB,
+	reserved_ram_resource_kb(dev, 2, (uintptr_t)_dram_wlan / KiB,
 				REGION_SIZE(dram_wlan) / KiB);
-	reserved_ram_resource(dev, 3, (uintptr_t)_dram_wpss / KiB,
+	reserved_ram_resource_kb(dev, 3, (uintptr_t)_dram_wpss / KiB,
 				REGION_SIZE(dram_wpss) / KiB);
-	reserved_ram_resource(dev, 4, (uintptr_t)_dram_aop / KiB,
+	reserved_ram_resource_kb(dev, 4, (uintptr_t)_dram_aop / KiB,
 				REGION_SIZE(dram_aop) / KiB);
-	reserved_ram_resource(dev, 5, (uintptr_t)_dram_cpucp / KiB,
+	reserved_ram_resource_kb(dev, 5, (uintptr_t)_dram_cpucp / KiB,
 				REGION_SIZE(dram_cpucp) / KiB);
 	if (soc_modem_carve_out(&start, &end))
-		reserved_ram_resource(dev, 6, (uintptr_t)start / KiB, (end - start) / KiB);
+		reserved_ram_resource_kb(dev, 6, (uintptr_t)start / KiB, (end - start) / KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/rockchip/rk3288/soc.c b/src/soc/rockchip/rk3288/soc.c
index b23c803..3c5ca21 100644
--- a/src/soc/rockchip/rk3288/soc.c
+++ b/src/soc/rockchip/rk3288/soc.c
@@ -13,7 +13,7 @@
 
 static void soc_init(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram/KiB, sdram_size_mb()*(MiB/KiB));
+	ram_resource_kb(dev, 0, (uintptr_t)_dram/KiB, sdram_size_mb()*(MiB/KiB));
 	if (display_init_required())
 		rk_display_init(dev, (uintptr_t)_framebuffer,
 				REGION_SIZE(framebuffer));
diff --git a/src/soc/rockchip/rk3399/soc.c b/src/soc/rockchip/rk3399/soc.c
index 89e33631..10bc9ba 100644
--- a/src/soc/rockchip/rk3399/soc.c
+++ b/src/soc/rockchip/rk3399/soc.c
@@ -21,7 +21,7 @@
 
 static void soc_read_resources(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size_mb() * KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, sdram_size_mb() * KiB);
 }
 
 static void soc_init(struct device *dev)
diff --git a/src/soc/samsung/exynos5250/cpu.c b/src/soc/samsung/exynos5250/cpu.c
index 6a0251d..e6c43ea 100644
--- a/src/soc/samsung/exynos5250/cpu.c
+++ b/src/soc/samsung/exynos5250/cpu.c
@@ -105,8 +105,8 @@
 	unsigned long fb_size = FB_SIZE_KB * KiB;
 	u32 lcdbase = get_fb_base_kb() * KiB;
 
-	ram_resource(dev, 0, RAM_BASE_KB, RAM_SIZE_KB - FB_SIZE_KB);
-	mmio_resource(dev, 1, lcdbase / KiB, DIV_ROUND_UP(fb_size, KiB));
+	ram_resource_kb(dev, 0, RAM_BASE_KB, RAM_SIZE_KB - FB_SIZE_KB);
+	mmio_resource_kb(dev, 1, lcdbase / KiB, DIV_ROUND_UP(fb_size, KiB));
 }
 
 static void cpu_init(struct device *dev)
diff --git a/src/soc/samsung/exynos5420/cpu.c b/src/soc/samsung/exynos5420/cpu.c
index 6d1418a..ab35667 100644
--- a/src/soc/samsung/exynos5420/cpu.c
+++ b/src/soc/samsung/exynos5420/cpu.c
@@ -133,8 +133,8 @@
 	unsigned long fb_size = FB_SIZE_KB * KiB;
 	u32 lcdbase = get_fb_base_kb() * KiB;
 
-	ram_resource(dev, 0, RAM_BASE_KB, RAM_SIZE_KB - FB_SIZE_KB);
-	mmio_resource(dev, 1, lcdbase / KiB, DIV_ROUND_UP(fb_size, KiB));
+	ram_resource_kb(dev, 0, RAM_BASE_KB, RAM_SIZE_KB - FB_SIZE_KB);
+	mmio_resource_kb(dev, 1, lcdbase / KiB, DIV_ROUND_UP(fb_size, KiB));
 }
 
 static void cpu_init(struct device *dev)
diff --git a/src/soc/ti/am335x/soc.c b/src/soc/ti/am335x/soc.c
index 99c651f..6f1c794 100644
--- a/src/soc/ti/am335x/soc.c
+++ b/src/soc/ti/am335x/soc.c
@@ -6,7 +6,7 @@
 
 static void soc_enable(struct device *dev)
 {
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB, CONFIG_DRAM_SIZE_MB * MiB / KiB);
+	ram_resource_kb(dev, 0, (uintptr_t)_dram / KiB, CONFIG_DRAM_SIZE_MB * MiB / KiB);
 }
 
 struct chip_operations soc_ti_am335x_ops = {
diff --git a/src/southbridge/amd/agesa/hudson/lpc.c b/src/southbridge/amd/agesa/hudson/lpc.c
index 8010f01..f6e256b 100644
--- a/src/southbridge/amd/agesa/hudson/lpc.c
+++ b/src/southbridge/amd/agesa/hudson/lpc.c
@@ -95,7 +95,7 @@
 		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 
 	/* Add a memory resource for the SPI BAR. */
-	fixed_mem_resource(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE);
+	fixed_mem_resource_kb(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE);
 
 	res = new_resource(dev, 3); /* IOAPIC */
 	res->base = IO_APIC_ADDR;
diff --git a/src/southbridge/amd/cimx/sb800/lpc.c b/src/southbridge/amd/cimx/sb800/lpc.c
index de88d7c..c70ffdb 100644
--- a/src/southbridge/amd/cimx/sb800/lpc.c
+++ b/src/southbridge/amd/cimx/sb800/lpc.c
@@ -29,7 +29,7 @@
 		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 
 	/* Add a memory resource for the SPI BAR. */
-	fixed_mem_resource(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE);
+	fixed_mem_resource_kb(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE);
 
 	res = new_resource(dev, 3);
 	res->base = IO_APIC_ADDR;
diff --git a/src/southbridge/amd/pi/hudson/lpc.c b/src/southbridge/amd/pi/hudson/lpc.c
index df1f093..e672ece 100644
--- a/src/southbridge/amd/pi/hudson/lpc.c
+++ b/src/southbridge/amd/pi/hudson/lpc.c
@@ -103,7 +103,7 @@
 		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 
 	/* Add a memory resource for the SPI BAR. */
-	fixed_mem_resource(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE);
+	fixed_mem_resource_kb(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE);
 
 	res = new_resource(dev, 3); /* IOAPIC */
 	res->base = IO_APIC_ADDR;