diff --git a/src/arch/x86/cpu.c b/src/arch/x86/cpu.c
index e38feed5cf92..3ef878f51757 100644
--- a/src/arch/x86/cpu.c
+++ b/src/arch/x86/cpu.c
@@ -123,7 +123,7 @@ static const char *cpu_vendor_name(int vendor)
 {
 	const char *name;
 	name = "<invalid CPU vendor>";
-	if ((vendor < (ARRAY_SIZE(x86_vendor_name))) &&
+	if ((vendor < ARRAY_SIZE(x86_vendor_name)) &&
 		(x86_vendor_name[vendor] != 0))
 		name = x86_vendor_name[vendor];
 	return name;
diff --git a/src/cpu/x86/smm/smm_module_loaderv2.c b/src/cpu/x86/smm/smm_module_loaderv2.c
index 715ea0afc760..cd44f93cc9f2 100644
--- a/src/cpu/x86/smm/smm_module_loaderv2.c
+++ b/src/cpu/x86/smm/smm_module_loaderv2.c
@@ -129,7 +129,7 @@ static int smm_create_map(uintptr_t smbase, unsigned int num_cpus,
 		return 0;
 	}
 
-	if (sizeof(cpus) / sizeof(struct cpu_smm_info) < num_cpus) {
+	if (ARRAY_SIZE(cpus) < num_cpus) {
 		printk(BIOS_ERR,
 			"%s: increase MAX_CPUS in Kconfig\n", __func__);
 		return 0;
diff --git a/src/mainboard/amd/persimmon/mainboard.c b/src/mainboard/amd/persimmon/mainboard.c
index 69b0c9db14eb..9e5e81fc212d 100644
--- a/src/mainboard/amd/persimmon/mainboard.c
+++ b/src/mainboard/amd/persimmon/mainboard.c
@@ -98,7 +98,7 @@ static const struct pirq_struct mainboard_pirq_data[] = {
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/asus/am1i-a/mainboard.c b/src/mainboard/asus/am1i-a/mainboard.c
index b17030a98aba..c028c01e7ef1 100644
--- a/src/mainboard/asus/am1i-a/mainboard.c
+++ b/src/mainboard/asus/am1i-a/mainboard.c
@@ -71,7 +71,7 @@ const u8 *intr_data = mainboard_intr_data;
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/bap/ode_e20XX/mainboard.c b/src/mainboard/bap/ode_e20XX/mainboard.c
index 6db8bb687094..38c8a1e71d25 100644
--- a/src/mainboard/bap/ode_e20XX/mainboard.c
+++ b/src/mainboard/bap/ode_e20XX/mainboard.c
@@ -86,7 +86,7 @@ const u8 *intr_data = mainboard_intr_data;
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/biostar/am1ml/mainboard.c b/src/mainboard/biostar/am1ml/mainboard.c
index 37a13bbfcfd0..f371a44318a3 100644
--- a/src/mainboard/biostar/am1ml/mainboard.c
+++ b/src/mainboard/biostar/am1ml/mainboard.c
@@ -75,7 +75,7 @@ const u8 *intr_data = mainboard_intr_data;
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/elmex/pcm205400/mainboard.c b/src/mainboard/elmex/pcm205400/mainboard.c
index 69b0c9db14eb..9e5e81fc212d 100644
--- a/src/mainboard/elmex/pcm205400/mainboard.c
+++ b/src/mainboard/elmex/pcm205400/mainboard.c
@@ -98,7 +98,7 @@ static const struct pirq_struct mainboard_pirq_data[] = {
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/gizmosphere/gizmo2/mainboard.c b/src/mainboard/gizmosphere/gizmo2/mainboard.c
index 32a67f8502ab..c08528a20f53 100644
--- a/src/mainboard/gizmosphere/gizmo2/mainboard.c
+++ b/src/mainboard/gizmosphere/gizmo2/mainboard.c
@@ -85,7 +85,7 @@ const u8 *intr_data = mainboard_intr_data;
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/google/foster/sdram_configs.c b/src/mainboard/google/foster/sdram_configs.c
index 17874b4aeb9d..25d64036fa73 100644
--- a/src/mainboard/google/foster/sdram_configs.c
+++ b/src/mainboard/google/foster/sdram_configs.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <commonlib/bsd/helpers.h>
 #include <console/console.h>
 #include <soc/sdram_configs.h>
 
@@ -19,7 +20,7 @@ const struct sdram_params *get_sdram_config()
 	 */
 
 	printk(BIOS_SPEW, "%s: RAMCODE=%d\n", __func__, ramcode);
-	if (ramcode >= sizeof(sdram_configs) / sizeof(sdram_configs[0]) ||
+	if (ramcode >= ARRAY_SIZE(sdram_configs) ||
 	    sdram_configs[ramcode].MemoryType == NvBootMemoryType_Unused) {
 		die("Invalid RAMCODE.");
 	}
diff --git a/src/mainboard/google/nyan/sdram_configs.c b/src/mainboard/google/nyan/sdram_configs.c
index 74d5660320c1..241fbce5b37e 100644
--- a/src/mainboard/google/nyan/sdram_configs.c
+++ b/src/mainboard/google/nyan/sdram_configs.c
@@ -33,7 +33,7 @@ const struct sdram_params *get_sdram_config()
 	 */
 
 	printk(BIOS_SPEW, "%s: RAMCODE=%d\n", __func__, ramcode);
-	if (ramcode >= sizeof(sdram_configs) / sizeof(sdram_configs[0]) ||
+	if (ramcode >= ARRAY_SIZE(sdram_configs) ||
 	    sdram_configs[ramcode].MemoryType == NvBootMemoryType_Unused) {
 		die("Invalid RAMCODE.");
 	}
diff --git a/src/mainboard/google/nyan_big/sdram_configs.c b/src/mainboard/google/nyan_big/sdram_configs.c
index 7193d7b4c4ca..15ed489070bd 100644
--- a/src/mainboard/google/nyan_big/sdram_configs.c
+++ b/src/mainboard/google/nyan_big/sdram_configs.c
@@ -33,7 +33,7 @@ const struct sdram_params *get_sdram_config()
 	 */
 
 	printk(BIOS_SPEW, "%s: RAMCODE=%d\n", __func__, ramcode);
-	if (ramcode >= sizeof(sdram_configs) / sizeof(sdram_configs[0]) ||
+	if (ramcode >= ARRAY_SIZE(sdram_configs) ||
 	    sdram_configs[ramcode].MemoryType == NvBootMemoryType_Unused) {
 		die("Invalid RAMCODE.");
 	}
diff --git a/src/mainboard/google/nyan_blaze/sdram_configs.c b/src/mainboard/google/nyan_blaze/sdram_configs.c
index 89f6ca8968ca..797225517303 100644
--- a/src/mainboard/google/nyan_blaze/sdram_configs.c
+++ b/src/mainboard/google/nyan_blaze/sdram_configs.c
@@ -33,7 +33,7 @@ const struct sdram_params *get_sdram_config()
 	 */
 
 	printk(BIOS_SPEW, "%s: RAMCODE=%d\n", __func__, ramcode);
-	if (ramcode >= sizeof(sdram_configs) / sizeof(sdram_configs[0]) ||
+	if (ramcode >= ARRAY_SIZE(sdram_configs) ||
 	    sdram_configs[ramcode].MemoryType == NvBootMemoryType_Unused) {
 		die("Invalid RAMCODE.");
 	}
diff --git a/src/mainboard/google/smaug/sdram_configs.c b/src/mainboard/google/smaug/sdram_configs.c
index c45b679a27ae..8d4521168fbb 100644
--- a/src/mainboard/google/smaug/sdram_configs.c
+++ b/src/mainboard/google/smaug/sdram_configs.c
@@ -31,7 +31,7 @@ const struct sdram_params *get_sdram_config()
 	 */
 
 	printk(BIOS_SPEW, "%s: RAMCODE=%d\n", __func__, ramcode);
-	if (ramcode >= sizeof(sdram_configs) / sizeof(sdram_configs[0]) ||
+	if (ramcode >= ARRAY_SIZE(sdram_configs) ||
 	    sdram_configs[ramcode].MemoryType == NvBootMemoryType_Unused) {
 		die("Invalid RAMCODE.");
 	}
diff --git a/src/mainboard/hp/abm/mainboard.c b/src/mainboard/hp/abm/mainboard.c
index f375da60974c..88de23a77dc1 100644
--- a/src/mainboard/hp/abm/mainboard.c
+++ b/src/mainboard/hp/abm/mainboard.c
@@ -70,7 +70,7 @@ static const struct pirq_struct mainboard_pirq_data[] = {
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/jetway/nf81-t56n-lf/mainboard.c b/src/mainboard/jetway/nf81-t56n-lf/mainboard.c
index c0eb97a2fefe..a8ed85dad7be 100644
--- a/src/mainboard/jetway/nf81-t56n-lf/mainboard.c
+++ b/src/mainboard/jetway/nf81-t56n-lf/mainboard.c
@@ -99,7 +99,7 @@ static const struct pirq_struct mainboard_pirq_data[] = {
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/pcengines/apu1/mainboard.c b/src/mainboard/pcengines/apu1/mainboard.c
index 7e3ef08b48d4..fa9b093920d6 100644
--- a/src/mainboard/pcengines/apu1/mainboard.c
+++ b/src/mainboard/pcengines/apu1/mainboard.c
@@ -111,7 +111,7 @@ static const struct pirq_struct mainboard_pirq_data[] = {
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/mainboard/pcengines/apu2/mainboard.c b/src/mainboard/pcengines/apu2/mainboard.c
index bad1a57fd5a2..062d223860d3 100644
--- a/src/mainboard/pcengines/apu2/mainboard.c
+++ b/src/mainboard/pcengines/apu2/mainboard.c
@@ -114,7 +114,7 @@ static const struct pirq_struct mainboard_pirq_data[] = {
 static void pirq_setup(void)
 {
 	pirq_data_ptr = mainboard_pirq_data;
-	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
+	pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
 	intr_data_ptr = mainboard_intr_data;
 	picr_data_ptr = mainboard_picr_data;
 }
diff --git a/src/northbridge/intel/e7505/raminit.c b/src/northbridge/intel/e7505/raminit.c
index 4822ead662c0..4a8cf9057a0c 100644
--- a/src/northbridge/intel/e7505/raminit.c
+++ b/src/northbridge/intel/e7505/raminit.c
@@ -92,7 +92,7 @@ static const uint32_t refresh_rate_map[] = {
 	1, 7, 2, 1, 1, 3
 };
 
-#define MAX_SPD_REFRESH_RATE ((sizeof(refresh_rate_map) / sizeof(uint32_t)) - 1)
+#define MAX_SPD_REFRESH_RATE (ARRAY_SIZE(refresh_rate_map) - 1)
 
 // SPD parameters that must match for dual-channel operation
 static const uint8_t dual_channel_parameters[] = {
diff --git a/src/northbridge/intel/ironlake/raminit.c b/src/northbridge/intel/ironlake/raminit.c
index c3d1b0d15fb3..407be5585e77 100644
--- a/src/northbridge/intel/ironlake/raminit.c
+++ b/src/northbridge/intel/ironlake/raminit.c
@@ -3770,8 +3770,7 @@ void raminit(const int s3resume, const u8 *spd_addrmap)
 					continue;
 				for (addr = 0;
 				     addr <
-				     sizeof(useful_addresses) /
-				     sizeof(useful_addresses[0]); addr++)
+				     ARRAY_SIZE(useful_addresses); addr++)
 					gav(info.
 					    spd[channel][0][useful_addresses
 							    [addr]] =
diff --git a/src/soc/intel/braswell/tsc_freq.c b/src/soc/intel/braswell/tsc_freq.c
index ae0cce3caec9..5c10dd58d04a 100644
--- a/src/soc/intel/braswell/tsc_freq.c
+++ b/src/soc/intel/braswell/tsc_freq.c
@@ -20,7 +20,7 @@ unsigned int cpu_bus_freq_khz(void)
 {
 	msr_t clk_info = rdmsr(MSR_BSEL_CR_OVERCLOCK_CONTROL);
 
-	if ((clk_info.lo & 0xf) < (sizeof(cpu_bus_clk_freq_table) / sizeof(unsigned int)))
+	if ((clk_info.lo & 0xf) < ARRAY_SIZE(cpu_bus_clk_freq_table))
 		return cpu_bus_clk_freq_table[clk_info.lo & 0xf];
 
 	return 0;
diff --git a/src/soc/intel/denverton_ns/gpio_dnv.c b/src/soc/intel/denverton_ns/gpio_dnv.c
index 0999cce4cd70..70138d3ed7b8 100644
--- a/src/soc/intel/denverton_ns/gpio_dnv.c
+++ b/src/soc/intel/denverton_ns/gpio_dnv.c
@@ -59,8 +59,7 @@ static const struct GPIO_GROUP_INFO mGpioGroupInfo[] = {
 static struct GPIO_GROUP_INFO *
 GpioGetGroupInfoTable(uint32_t *GpioGroupInfoTableLength)
 {
-	*GpioGroupInfoTableLength =
-		sizeof(mGpioGroupInfo) / sizeof(struct GPIO_GROUP_INFO);
+	*GpioGroupInfoTableLength = ARRAY_SIZE(mGpioGroupInfo);
 	return (struct GPIO_GROUP_INFO *)mGpioGroupInfo;
 }
 
diff --git a/src/soc/qualcomm/sc7180/display/dsi_phy.c b/src/soc/qualcomm/sc7180/display/dsi_phy.c
index 050a5d88f188..db4b67cfe7cd 100644
--- a/src/soc/qualcomm/sc7180/display/dsi_phy.c
+++ b/src/soc/qualcomm/sc7180/display/dsi_phy.c
@@ -564,7 +564,7 @@ static unsigned long dsi_phy_calc_clk_divider(struct dsi_phy_configtype *phy_cfg
 
 	/* D Phy */
 	lut = pll_dividerlut_dphy;
-	lut_max = sizeof(pll_dividerlut_dphy) / sizeof(*lut);
+	lut_max = ARRAY_SIZE(pll_dividerlut_dphy);
 	lut += (lut_max - 1);
 
 	/* PLL Post Div - from LUT
diff --git a/src/vendorcode/amd/agesa/common/agesa-entry.c b/src/vendorcode/amd/agesa/common/agesa-entry.c
index 1e861497ad8e..42f12b39501a 100644
--- a/src/vendorcode/amd/agesa/common/agesa-entry.c
+++ b/src/vendorcode/amd/agesa/common/agesa-entry.c
@@ -105,7 +105,7 @@ CONST FUNCTION_PARAMS_INFO ROMDATA FuncParamsInfo[] =
   { 0, 0, NULL }
 };
 
-CONST UINTN InitializerCount = ((sizeof (FuncParamsInfo)) / (sizeof (FuncParamsInfo[0])));
+CONST UINTN InitializerCount = ARRAY_SIZE(FuncParamsInfo);
 
 CONST DISPATCH_TABLE ROMDATA DispatchTable[] =
 {
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14Dmi.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14Dmi.c
index 263061d1640c..1c1a3a79716e 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14Dmi.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14Dmi.c
@@ -315,7 +315,7 @@ CONST PROC_FAMILY_TABLE ROMDATA ProcFamily14DmiTable =
   &DmiF14GetMaxSpeed,
   &DmiF14GetExtClock,
   &DmiF14GetMemInfo,              // Get memory information
-  (sizeof (Family14BrandList) / sizeof (Family14BrandList[0])), // Number of entries in following table
+  ARRAY_SIZE(Family14BrandList), // Number of entries in following table
   &Family14BrandList[0]
 };
 
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14PowerPlane.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14PowerPlane.c
index 4adb54f2650b..1694a93cd9be 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14PowerPlane.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14PowerPlane.c
@@ -154,7 +154,7 @@ F14PmPwrPlaneInit (
   // Next, round it to the appropriate encoded value.  We will start from encoding 111b which corresponds
   // to the fastest slew rate, and work our way down to 000b, which represents the slowest an acceptable
   // VRM can be.
-  for (VSRampSlamTime = ((sizeof (F14VSRampSlamWaitTimes) / sizeof (F14VSRampSlamWaitTimes[0])) - 1); VSRampSlamTime > 0; VSRampSlamTime--) {
+  for (VSRampSlamTime = (ARRAY_SIZE(F14VSRampSlamWaitTimes)- 1); VSRampSlamTime > 0; VSRampSlamTime--) {
     if (WaitTime <= F14VSRampSlamWaitTimes[VSRampSlamTime]) {
       break;
     }
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14WheaInitDataTables.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14WheaInitDataTables.c
index dd4c69a48e66..5531f47ba2d3 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14WheaInitDataTables.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuF14WheaInitDataTables.c
@@ -95,7 +95,7 @@ AMD_WHEA_INIT_DATA F14WheaInitData = {
   0x00,                     // AmdMcbClrStatusOnInit
   0x02,                     // AmdMcbStatusDataFormat
   0x00,                     // AmdMcbConfWriteEn
-  (sizeof (F14HestBankInitData) / sizeof (F14HestBankInitData[0])), // HestBankNum
+  ARRAY_SIZE(F14HestBankInitData), // HestBankNum
   &F14HestBankInitData[0]   // Pointer to Initial data of HEST Bank
 };
 
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/Gfx/Family/0x14/F14GfxServices.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/Gfx/Family/0x14/F14GfxServices.c
index a974108f6d1a..ee83ae738cd7 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/GNB/Gfx/Family/0x14/F14GfxServices.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/Gfx/Family/0x14/F14GfxServices.c
@@ -363,7 +363,7 @@ GMM_REG_ENTRY  GmcDisableClockGating[] = {
 };
 
 TABLE_INDIRECT_PTR GmcDisableClockGatingPtr = {
-  sizeof (GmcDisableClockGating) / sizeof (GMM_REG_ENTRY),
+  ARRAY_SIZE(GmcDisableClockGating),
   GmcDisableClockGating
 };
 
@@ -383,7 +383,7 @@ GMM_REG_ENTRY  GmcEnableClockGating[] = {
 
 
 TABLE_INDIRECT_PTR GmcEnableClockGatingPtr = {
-  sizeof (GmcEnableClockGating) / sizeof (GMM_REG_ENTRY),
+  ARRAY_SIZE(GmcEnableClockGating),
   GmcEnableClockGating
 };
 
@@ -414,7 +414,7 @@ GMM_REG_ENTRY  GmcPerformanceTuningTable [] = {
 };
 
 TABLE_INDIRECT_PTR GmcPerformanceTuningTablePtr = {
-  sizeof (GmcPerformanceTuningTable) / sizeof (GMM_REG_ENTRY),
+  ARRAY_SIZE(GmcPerformanceTuningTable),
   GmcPerformanceTuningTable
 };
 
@@ -431,7 +431,7 @@ GMM_REG_ENTRY  GmcMiscInitTable [] = {
 };
 
 TABLE_INDIRECT_PTR GmcMiscInitTablePtr = {
-  sizeof (GmcMiscInitTable) / sizeof (GMM_REG_ENTRY),
+  ARRAY_SIZE(GmcMiscInitTable),
   GmcMiscInitTable
 };
 
@@ -446,7 +446,7 @@ GMM_REG_ENTRY  GmcRemoveBlackoutTable [] = {
 };
 
 TABLE_INDIRECT_PTR GmcRemoveBlackoutTablePtr = {
-  sizeof (GmcRemoveBlackoutTable) / sizeof (GMM_REG_ENTRY),
+  ARRAY_SIZE(GmcRemoveBlackoutTable),
   GmcRemoveBlackoutTable
 };
 
@@ -522,7 +522,7 @@ GMM_REG_ENTRY GmcRegisterEngineInitTable [] = {
 };
 
 TABLE_INDIRECT_PTR GmcRegisterEngineInitTablePtr = {
-  sizeof (GmcRegisterEngineInitTable) / sizeof (GMM_REG_ENTRY),
+  ARRAY_SIZE(GmcRegisterEngineInitTable),
   GmcRegisterEngineInitTable
 };
 
@@ -633,7 +633,7 @@ REGISTER_COPY_ENTRY CnbToGncRegisterCopyTable [] = {
 
 
 TABLE_INDIRECT_PTR CnbToGncRegisterCopyTablePtr = {
-  sizeof (CnbToGncRegisterCopyTable) / sizeof (REGISTER_COPY_ENTRY),
+  ARRAY_SIZE(CnbToGncRegisterCopyTable),
   CnbToGncRegisterCopyTable
 };
 
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
index 440c5ff68cb7..e2480ecde47e 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
@@ -239,7 +239,7 @@ GfxIntegratedExtConnectorInfo (
   )
 {
   UINTN Index;
-  for (Index = 0; Index < (sizeof (ConnectorInfoTable) / sizeof (EXT_CONNECTOR_INFO)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(ConnectorInfoTable); Index++) {
     if (ConnectorInfoTable[Index].ConnectorType == ConnectorType) {
       return &ConnectorInfoTable[Index];
     }
@@ -317,7 +317,7 @@ GfxIntegratedExtDisplayDeviceInfo (
   UINT8 Index;
   UINT8 LastIndex;
   LastIndex = 0xff;
-  for (Index = 0; Index < (sizeof (DisplayDeviceInfoTable) / sizeof (EXT_DISPLAY_DEVICE_INFO)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(DisplayDeviceInfoTable); Index++) {
     if (DisplayDeviceInfoTable[Index].DisplayDeviceEnum == DisplayDeviceEnum) {
       LastIndex = Index;
       if (DisplayDeviceInfoTable[Index].DeviceIndex == DisplayDeviceIndex) {
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbLclkDpm.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbLclkDpm.c
index 827bd7f3f340..d5c16ae866fe 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbLclkDpm.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbLclkDpm.c
@@ -209,7 +209,7 @@ NbFmInitLclkDpmRcActivity (
       NbSmuRcuRegisterWrite (
         0x84AC,
         &LclkDpmCacTable[0],
-        sizeof (LclkDpmCacTable) / sizeof (UINT32),
+        ARRAY_SIZE(LclkDpmCacTable),
         TRUE,
         StdHeader
         );
@@ -225,7 +225,7 @@ NbFmInitLclkDpmRcActivity (
         StdHeader
         );
       // Program sampling period
-      for (Index = 0; Index < (sizeof (SamplingPeriod) / sizeof (SamplingPeriod[0])); Index = Index + 2) {
+      for (Index = 0; Index < ARRAY_SIZE(SamplingPeriod); Index = Index + 2) {
         UINT16 Temp;
         Temp = SamplingPeriod[Index];
         SamplingPeriod[Index] = SamplingPeriod[Index + 1];
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbServices.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbServices.c
index d067875abaef..dd5e6450ee4b 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbServices.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbServices.c
@@ -687,132 +687,132 @@ FUSE_REGISTER_ENTRY FCRxFE00_70D7_TABLE [] = {
 FUSE_TABLE_ENTRY  FuseRegisterTable [] = {
   {
     FCRxFE00_70A2_ADDRESS,
-    sizeof (FCRxFE00_70A2_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70A2_TABLE),
     FCRxFE00_70A2_TABLE
   },
   {
     FCRxFE00_70A4_ADDRESS,
-    sizeof (FCRxFE00_70A4_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70A4_TABLE),
     FCRxFE00_70A4_TABLE
   },
   {
     FCRxFE00_70A5_ADDRESS,
-    sizeof (FCRxFE00_70A5_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70A5_TABLE),
     FCRxFE00_70A5_TABLE
   },
   {
     FCRxFE00_70A8_ADDRESS,
-    sizeof (FCRxFE00_70A8_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70A8_TABLE),
     FCRxFE00_70A8_TABLE
   },
   {
     FCRxFE00_600E_ADDRESS,
-    sizeof (FCRxFE00_600E_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_600E_TABLE),
     FCRxFE00_600E_TABLE
   },
   {
     FCRxFE00_70AA_ADDRESS,
-    sizeof (FCRxFE00_70AA_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70AA_TABLE),
     FCRxFE00_70AA_TABLE
   },
   {
     FCRxFE00_70AE_ADDRESS,
-    sizeof (FCRxFE00_70AE_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70AE_TABLE),
     FCRxFE00_70AE_TABLE
   },
   {
     FCRxFE00_70B1_ADDRESS,
-    sizeof (FCRxFE00_70B1_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70B1_TABLE),
     FCRxFE00_70B1_TABLE
   },
   {
     FCRxFE00_70B4_ADDRESS,
-    sizeof (FCRxFE00_70B4_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70B4_TABLE),
     FCRxFE00_70B4_TABLE
   },
   {
     FCRxFE00_70B5_ADDRESS,
-    sizeof (FCRxFE00_70B5_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70B5_TABLE),
     FCRxFE00_70B5_TABLE
   },
   {
     FCRxFE00_70B8_ADDRESS,
-    sizeof (FCRxFE00_70B8_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70B8_TABLE),
     FCRxFE00_70B8_TABLE
   },
   {
     FCRxFE00_70B9_ADDRESS,
-    sizeof (FCRxFE00_70B9_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70B9_TABLE),
     FCRxFE00_70B9_TABLE
   },
   {
     FCRxFE00_70BC_ADDRESS,
-    sizeof (FCRxFE00_70BC_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70BC_TABLE),
     FCRxFE00_70BC_TABLE
   },
   {
     FCRxFE00_70BF_ADDRESS,
-    sizeof (FCRxFE00_70BF_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70BF_TABLE),
     FCRxFE00_70BF_TABLE
   },
   {
     FCRxFE00_70C0_ADDRESS,
-    sizeof (FCRxFE00_70C0_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70C0_TABLE),
     FCRxFE00_70C0_TABLE
   },
   {
     FCRxFE00_70C1_ADDRESS,
-    sizeof (FCRxFE00_70C1_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70C1_TABLE),
     FCRxFE00_70C1_TABLE
   },
   {
     FCRxFE00_70C4_ADDRESS,
-    sizeof (FCRxFE00_70C4_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70C4_TABLE),
     FCRxFE00_70C4_TABLE
   },
   {
     FCRxFE00_70C7_ADDRESS,
-    sizeof (FCRxFE00_70C7_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70C7_TABLE),
     FCRxFE00_70C7_TABLE
   },
   {
     FCRxFE00_70C8_ADDRESS,
-    sizeof (FCRxFE00_70C8_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70C8_TABLE),
     FCRxFE00_70C8_TABLE
   },
   {
     FCRxFE00_70C9_ADDRESS,
-    sizeof (FCRxFE00_70C9_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70C9_TABLE),
     FCRxFE00_70C9_TABLE
   },
   {
     FCRxFE00_70CC_ADDRESS,
-    sizeof (FCRxFE00_70CC_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70CC_TABLE),
     FCRxFE00_70CC_TABLE
   },
   {
     FCRxFE00_70CF_ADDRESS,
-    sizeof (FCRxFE00_70CF_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70CF_TABLE),
     FCRxFE00_70CF_TABLE
   },
   {
     FCRxFE00_70D2_ADDRESS,
-    sizeof (FCRxFE00_70D2_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70D2_TABLE),
     FCRxFE00_70D2_TABLE
   },
   {
     FCRxFE00_70D4_ADDRESS,
-    sizeof (FCRxFE00_70D4_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70D4_TABLE),
     FCRxFE00_70D4_TABLE
   },
   {
     FCRxFE00_70D7_ADDRESS,
-    sizeof (FCRxFE00_70D7_TABLE) / sizeof (FUSE_REGISTER_ENTRY),
+    ARRAY_SIZE(FCRxFE00_70D7_TABLE),
     FCRxFE00_70D7_TABLE
   },
 };
 
 FUSE_TABLE  FuseTable = {
-  sizeof (FuseRegisterTable) / sizeof (FUSE_TABLE_ENTRY),
+  ARRAY_SIZE(FuseRegisterTable),
   FuseRegisterTable
 };
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/Family/0x14/F14PcieWrapperServices.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/Family/0x14/F14PcieWrapperServices.c
index aec468659f65..01feea4c7fd1 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/Family/0x14/F14PcieWrapperServices.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/Family/0x14/F14PcieWrapperServices.c
@@ -477,7 +477,7 @@ PcieFmPreInit (
     PcieFmExecuteNativeGen1Reconfig (Pcie);
   }
   Silicon = PcieComplexGetSiliconList (&Pcie->ComplexList[0]);
-  for (Index = 0; Index < (sizeof (PcieInitTable) / sizeof (PCIE_HOST_REGISTER_ENTRY)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(PcieInitTable); Index++) {
     PcieSiliconRegisterRMW (
       Silicon,
       PcieInitTable[Index].Reg,
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c
index b83afea231d5..318bb8256615 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c
@@ -198,7 +198,7 @@ PcieCommonCoreInit (
   if (PcieLibIsPcieWrapper (Wrapper)) {
     IDS_HDT_CONSOLE (GNB_TRACE, "PcieCommonCoreInit Enter\n");
     for (CoreId = Wrapper->StartPcieCoreId; CoreId <= Wrapper->EndPcieCoreId; CoreId++) {
-      for (Index = 0; Index < sizeof (CoreInitTable) / sizeof (PCIE_HOST_REGISTER_ENTRY); Index++) {
+      for (Index = 0; Index < ARRAY_SIZE(CoreInitTable); Index++) {
         UINT32 Value;
         Value = PcieRegisterRead (
                   Wrapper,
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/ON/mnS3on.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/ON/mnS3on.c
index aebec59e866b..7dc58d00bc77 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/ON/mnS3on.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/ON/mnS3on.c
@@ -240,7 +240,7 @@ PCI_REG_DESCRIPTOR ROMDATA S3PciPreSelfRefDescriptorON[] = {
 
 CONST PCI_REGISTER_BLOCK_HEADER ROMDATA S3PciPreSelfRefON = {
   0,
-  (sizeof (S3PciPreSelfRefDescriptorON) / sizeof (PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3PciPreSelfRefDescriptorON),
   S3PciPreSelfRefDescriptorON,
   PciSpecialCaseFuncON
 };
@@ -293,7 +293,7 @@ CONDITIONAL_PCI_REG_DESCRIPTOR ROMDATA S3CPciPostSelfDescriptorON[] = {
 
 CONST CPCI_REGISTER_BLOCK_HEADER ROMDATA S3CPciPostSelfRefON = {
   0,
-  (sizeof (S3CPciPostSelfDescriptorON) / sizeof (CONDITIONAL_PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3CPciPostSelfDescriptorON),
   S3CPciPostSelfDescriptorON,
   PciSpecialCaseFuncON
 };
@@ -307,7 +307,7 @@ MSR_REG_DESCRIPTOR ROMDATA S3MSRPreSelfRefDescriptorON[] = {
 
 CONST MSR_REGISTER_BLOCK_HEADER ROMDATA S3MSRPreSelfRefON = {
   0,
-  (sizeof (S3MSRPreSelfRefDescriptorON) / sizeof (MSR_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3MSRPreSelfRefDescriptorON),
   S3MSRPreSelfRefDescriptorON,
   NULL
 };
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mt3.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mt3.c
index 64099f20d1b4..485d32dc9692 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mt3.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR3/mt3.c
@@ -209,12 +209,12 @@ MemConstructTechBlock3 (
       //
       // Initialize the SPD pointers for each Dimm
       //
-      for (i = 0 ; i < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0])) ; i++) {
+      for (i = 0 ; i < ARRAY_SIZE(ChannelPtr->DimmSpdPtr); i++) {
         ChannelPtr->DimmSpdPtr[i] = NULL;
       }
       for (i = 0 ; i < DimmSlots; i++) {
         ChannelPtr->DimmSpdPtr[i] = &(ChannelPtr->SpdPtr[i]);
-        if ( (i + 2) < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0]))) {
+        if ( (i + 2) < ARRAY_SIZE(ChannelPtr->DimmSpdPtr)) {
           if (ChannelPtr->DimmSpdPtr[i]->DimmPresent) {
             if ((((ChannelPtr->DimmSpdPtr[i]->Data[SPD_RANKS] >> 3) & 0x07) + 1) > 2) {
               ChannelPtr->DimmSpdPtr[i + 2] = &(ChannelPtr->SpdPtr[i]);
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnPowerPlane.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnPowerPlane.c
index 16487bf91803..feadd8ba7d36 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnPowerPlane.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnPowerPlane.c
@@ -150,7 +150,7 @@ F15TnPmPwrPlaneInit (
     // Next, round it to the appropriate encoded value.  We will start from encoding 111b which corresponds
     // to the fastest slew rate, and work our way down to 000b, which represents the slowest an acceptable
     // VRM can be.
-    for (VSRampSlamTime = ((sizeof (F15TnVSRampSlamWaitTimes) / sizeof (F15TnVSRampSlamWaitTimes[0])) - 1); VSRampSlamTime > 0; VSRampSlamTime--) {
+    for (VSRampSlamTime = (ARRAY_SIZE(F15TnVSRampSlamWaitTimes)- 1); VSRampSlamTime > 0; VSRampSlamTime--) {
       if (WaitTime <= F15TnVSRampSlamWaitTimes[VSRampSlamTime]) {
         break;
       }
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15WheaInitDataTables.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15WheaInitDataTables.c
index 2f8a90539d13..b6a10a48c9c2 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15WheaInitDataTables.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15WheaInitDataTables.c
@@ -97,7 +97,7 @@ AMD_WHEA_INIT_DATA F15WheaInitData = {
   0x00,                     // AmdMcbClrStatusOnInit
   0x02,                     // AmdMcbStatusDataFormat
   0x00,                     // AmdMcbConfWriteEn
-  (sizeof (F15HestBankInitData) / sizeof (F15HestBankInitData[0])), // HestBankNum
+  ARRAY_SIZE(F15HestBankInitData), // HestBankNum
   &F15HestBankInitData[0]   // Pointer to Initial data of HEST Bank
 };
 
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/Family/Hudson2/Hudson2HwAcpiEnvService.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/Family/Hudson2/Hudson2HwAcpiEnvService.c
index 1cfddbea63e6..98d8d2908aa3 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/Family/Hudson2/Hudson2HwAcpiEnvService.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/Family/Hudson2/Hudson2HwAcpiEnvService.c
@@ -211,7 +211,8 @@ ProgramFchEnvHwAcpiPciReg (
   //
   //Early post initialization of pci config space
   //
-  ProgramPciByteTable ((REG8_MASK*) (&FchHudson2InitEnvHwAcpiPciTable[0]), sizeof (FchHudson2InitEnvHwAcpiPciTable) / sizeof (REG8_MASK), StdHeader);
+  ProgramPciByteTable ((REG8_MASK*) (&FchHudson2InitEnvHwAcpiPciTable[0]),
+                       ARRAY_SIZE(FchHudson2InitEnvHwAcpiPciTable), StdHeader);
 
   if ( LocalCfgPtr->Smbus.SmbusSsid != 0 ) {
     RwPci ((SMBUS_BUS_DEV_FUN << 16) + FCH_CFG_REG2C, AccessWidth32, 0x00, LocalCfgPtr->Smbus.SmbusSsid, StdHeader);
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/HwAcpiLate.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/HwAcpiLate.c
index ebb53bec885c..fefc65113087 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/HwAcpiLate.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/HwAcpi/HwAcpiLate.c
@@ -90,7 +90,7 @@ STATIC PCI_IRQ_REG_BLOCK FchInternalDeviceIrqForApicMode[] = {
     { (FCH_IRQ_GPPINT3 | FCH_IRQ_IOAPIC), 0x13},
   };
 
-#define NUM_OF_DEVICE_FOR_APICIRQ  sizeof (FchInternalDeviceIrqForApicMode) / sizeof (PCI_IRQ_REG_BLOCK)
+#define NUM_OF_DEVICE_FOR_APICIRQ  ARRAY_SIZE(FchInternalDeviceIrqForApicMode)
 
 /**
  * FchInitLateHwAcpi - Prepare HwAcpi controller to boot to OS.
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibEnv.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibEnv.c
index 28ab4261d099..fa185d15682f 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibEnv.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibEnv.c
@@ -88,7 +88,8 @@ FchInitEnvPcib (
   //
   //Early post initialization of pci config space
   //
-  ProgramPciByteTable ((REG8_MASK*) (&FchInitEnvPcibPciTable[0]), sizeof (FchInitEnvPcibPciTable) / sizeof (REG8_MASK), StdHeader);
+  ProgramPciByteTable ((REG8_MASK*) (&FchInitEnvPcibPciTable[0]),
+                       ARRAY_SIZE(FchInitEnvPcibPciTable), StdHeader);
 
   //
   //Disable or Enable PCI Clks based on input
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibReset.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibReset.c
index 173a278b9e7e..bdb214df427e 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibReset.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Pcib/PcibReset.c
@@ -82,7 +82,7 @@ FchInitResetPcib (
 
   ProgramPciByteTable (
     (REG8_MASK*) (&FchInitResetPcibPciTable[0]),
-    sizeof (FchInitResetPcibPciTable) / sizeof (REG8_MASK),
+    ARRAY_SIZE(FchInitResetPcibPciTable),
     StdHeader
     );
   if ( UserOptions.FchBldCfg->CfgFchPort80BehindPcib ) {
@@ -129,7 +129,7 @@ FchInitResetPcibPort80Enable (
 
   ProgramPciByteTable (
     (REG8_MASK*) (&FchInitResetPcibPort80EnableTable[0]),
-    sizeof (FchInitResetPcibPort80EnableTable) / sizeof (REG8_MASK),
+    ARRAY_SIZE(FchInitResetPcibPort80EnableTable),
     StdHeader
     );
 }
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Sata/Family/Hudson2/Hudson2SataEnvService.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Sata/Family/Hudson2/Hudson2SataEnvService.c
index 26ff51ddfcb0..5cec9bede421 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Sata/Family/Hudson2/Hudson2SataEnvService.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Sata/Family/Hudson2/Hudson2SataEnvService.c
@@ -211,7 +211,7 @@ FchProgramSataPhy (
 
   PhyTablePtr = &SataPhyTable[0];
 
-  for (Index = 0; Index < (sizeof (SataPhyTable) / sizeof (SATA_PHY_SETTING)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(SataPhyTable); Index++) {
     RwPci ((SATA_BUS_DEV_FUN << 16) + 0x80, AccessWidth16, 0x00, PhyTablePtr->PhyCoreControlWord, StdHeader);
     RwPci ((SATA_BUS_DEV_FUN << 16) + 0x98, AccessWidth32, 0x00, PhyTablePtr->PhyFineTuneDword, StdHeader);
     ++PhyTablePtr;
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c
index b1ae0c81f909..b6806317f228 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c
@@ -82,7 +82,8 @@ FchInitEnvLpcProgram (
   LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
   StdHeader = LocalCfgPtr->StdHeader;
 
-  ProgramPciByteTable ((REG8_MASK*) (&FchInitHudson2EnvLpcPciTable[0]), sizeof (FchInitHudson2EnvLpcPciTable) / sizeof (REG8_MASK), StdHeader);
+  ProgramPciByteTable ((REG8_MASK*) (&FchInitHudson2EnvLpcPciTable[0]),
+                       ARRAY_SIZE(FchInitHudson2EnvLpcPciTable), StdHeader);
 
   //
   // Disable LPC A-Link Cycle Bypass
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcResetService.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcResetService.c
index 36259d3cbc09..107e181394fe 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcResetService.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcResetService.c
@@ -99,7 +99,8 @@ FchInitResetLpcProgram (
   //
   RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGBA, AccessWidth16, 0xFFFF, BIT8, StdHeader);
 
-  ProgramPciByteTable ( (REG8_MASK*) (&FchInitHudson2ResetLpcPciTable[0]), sizeof (FchInitHudson2ResetLpcPciTable) / sizeof (REG8_MASK), StdHeader);
+  ProgramPciByteTable ( (REG8_MASK*) (&FchInitHudson2ResetLpcPciTable[0]),
+                       ARRAY_SIZE(FchInitHudson2ResetLpcPciTable), StdHeader);
 
   //
   // Enabling ClkRun Function
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
index 2d420633406a..66bdad5494c4 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
@@ -253,7 +253,7 @@ GfxIntegratedExtConnectorInfo (
   )
 {
   UINTN Index;
-  for (Index = 0; Index < (sizeof (ConnectorInfoTable) / sizeof (EXT_CONNECTOR_INFO)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(ConnectorInfoTable); Index++) {
     if (ConnectorInfoTable[Index].ConnectorType == ConnectorType) {
       return &ConnectorInfoTable[Index];
     }
@@ -331,7 +331,7 @@ GfxIntegratedExtDisplayDeviceInfo (
   UINT8 Index;
   UINT8 LastIndex;
   LastIndex = 0xff;
-  for (Index = 0; Index < (sizeof (DisplayDeviceInfoTable) / sizeof (EXT_DISPLAY_DEVICE_INFO)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(DisplayDeviceInfoTable); Index++) {
     if (DisplayDeviceInfoTable[Index].DisplayDeviceEnum == DisplayDeviceEnum) {
       LastIndex = Index;
       if (DisplayDeviceInfoTable[Index].DeviceIndex == DisplayDeviceIndex) {
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxPowerPlayTable.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxPowerPlayTable.c
index 1bbb3975968f..422cbae00719 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxPowerPlayTable.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbGfxInitLibV1/GfxPowerPlayTable.c
@@ -759,9 +759,9 @@ GfxPowerPlayBuildVceStateTable (
   UINT8                       UsedStateBitmap;
   UsedStateBitmap = 0;
   // build used state
-  for (Index = 0; Index < (sizeof (PpWorkspace->PpFuses->VceFlags) / sizeof (PpWorkspace->PpFuses->VceFlags[0])) ; Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(PpWorkspace->PpFuses->VceFlags); Index++) {
     UsedStateBitmap |= PpWorkspace->PpFuses->VceFlags[Index];
-    for (VceStateIndex = 0; VceStateIndex < (sizeof (PpWorkspace->VceStateArray) / sizeof (PpWorkspace->VceStateArray[0])); VceStateIndex++) {
+    for (VceStateIndex = 0; VceStateIndex < ARRAY_SIZE(PpWorkspace->VceStateArray); VceStateIndex++) {
       if ((PpWorkspace->PpFuses->VceFlags[Index] & (1 << VceStateIndex)) != 0) {
         Sclk = GfxFmCalculateClock (PpWorkspace->PpFuses->SclkDpmDid[PpWorkspace->PpFuses->VceReqSclkSel[Index]], GnbLibGetHeader (PpWorkspace->Gfx));
         Vid = PpWorkspace->PpFuses->SclkDpmVid[PpWorkspace->PpFuses->VceReqSclkSel[Index]];
@@ -777,7 +777,7 @@ GfxPowerPlayBuildVceStateTable (
     }
   }
   //build unused states
-  for (VceStateIndex = 0; VceStateIndex < (sizeof (PpWorkspace->VceStateArray) / sizeof (PpWorkspace->VceStateArray[0])); VceStateIndex++) {
+  for (VceStateIndex = 0; VceStateIndex < ARRAY_SIZE(PpWorkspace->VceStateArray); VceStateIndex++) {
     if ((UsedStateBitmap & (1 << VceStateIndex)) == 0) {
       PpWorkspace->VceStateArray[VceStateIndex].ucClockInfoIndex = 0;
       PpWorkspace->VceStateArray[VceStateIndex].ucVCEClockInfoIndex = GfxPowerPlayAddEclkState (PpWorkspace, 0);
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GfxGmcInitTN.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GfxGmcInitTN.c
index 75ec2fb3876a..89d317ea6ed6 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GfxGmcInitTN.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GfxGmcInitTN.c
@@ -260,7 +260,7 @@ GfxGmcDctMemoryChannelInfoTN (
   UINT32       Index;
   UINT32       Value;
 
-  for (Index = 0; Index < (sizeof (DctRegisterTable) / sizeof (DCT_REGISTER_ENTRY)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(DctRegisterTable); Index++) {
     GnbRegisterReadTN (
       DctRegisterTable[Index].RegisterSpaceType,
       DctRegisterTable[Index].Address,
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbEarlyInitTN.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbEarlyInitTN.c
index c700a645415a..8b388d583eb5 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbEarlyInitTN.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbEarlyInitTN.c
@@ -417,7 +417,7 @@ GnbCacEnablement (
 
   // Program GPU CAC weights
 
-  for (Index = 0; Index < (sizeof (CacWeightsTN) / sizeof (CacWeightsTN[0])); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(CacWeightsTN); Index++) {
     GnbRegisterWriteTN (TYPE_D0F0xBC , (0x1f9a0  + (Index * 4)), &CacWeightsTN[Index], 0, StdHeader);
   }
 
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbFuseTableTN.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbFuseTableTN.c
index 9737bd2930db..8c580a07b751 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbFuseTableTN.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbFuseTableTN.c
@@ -615,175 +615,175 @@ FUSE_TABLE_ENTRY_TN  FuseRegisterTableTN [] = {
   {
     D0F0xBC_xE0104158_TYPE,
     D0F0xBC_xE0104158_ADDRESS,
-    sizeof (D0F0xBC_xE0104158_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0104158_TABLE),
     D0F0xBC_xE0104158_TABLE
   },
   {
     D0F0xBC_xE010415B_TYPE,
     D0F0xBC_xE010415B_ADDRESS,
-    sizeof (D0F0xBC_xE010415B_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010415B_TABLE),
     D0F0xBC_xE010415B_TABLE
   },
   {
     D0F0xBC_xE0104184_TYPE,
     D0F0xBC_xE0104184_ADDRESS,
-    sizeof (D0F0xBC_xE0104184_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0104184_TABLE),
     D0F0xBC_xE0104184_TABLE
   },
   {
     D0F0xBC_xE0104187_TYPE,
     D0F0xBC_xE0104187_ADDRESS,
-    sizeof (D0F0xBC_xE0104187_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0104187_TABLE),
     D0F0xBC_xE0104187_TABLE
   },
   {
     D0F0xBC_xE0104188_TYPE,
     D0F0xBC_xE0104188_ADDRESS,
-    sizeof (D0F0xBC_xE0104188_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0104188_TABLE),
     D0F0xBC_xE0104188_TABLE
   },
   {
     D0F0xBC_xE0106020_TYPE,
     D0F0xBC_xE0106020_ADDRESS,
-    sizeof (D0F0xBC_xE0106020_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0106020_TABLE),
     D0F0xBC_xE0106020_TABLE
   },
   {
     D0F0xBC_xE0106023_TYPE,
     D0F0xBC_xE0106023_ADDRESS,
-    sizeof (D0F0xBC_xE0106023_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0106023_TABLE),
     D0F0xBC_xE0106023_TABLE
   },
   {
     D0F0xBC_xE0106024_TYPE,
     D0F0xBC_xE0106024_ADDRESS,
-    sizeof (D0F0xBC_xE0106024_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0106024_TABLE),
     D0F0xBC_xE0106024_TABLE
   },
   {
     D0F0xBC_xE010705C_TYPE,
     D0F0xBC_xE010705C_ADDRESS,
-    sizeof (D0F0xBC_xE010705C_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010705C_TABLE),
     D0F0xBC_xE010705C_TABLE
   },
   {
     D0F0xBC_xE010705F_TYPE,
     D0F0xBC_xE010705F_ADDRESS,
-    sizeof (D0F0xBC_xE010705F_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010705F_TABLE),
     D0F0xBC_xE010705F_TABLE
   },
   {
     D0F0xBC_xE0107060_TYPE,
     D0F0xBC_xE0107060_ADDRESS,
-    sizeof (D0F0xBC_xE0107060_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107060_TABLE),
     D0F0xBC_xE0107060_TABLE
   },
   {
     D0F0xBC_xE0107063_TYPE,
     D0F0xBC_xE0107063_ADDRESS,
-    sizeof (D0F0xBC_xE0107063_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107063_TABLE),
     D0F0xBC_xE0107063_TABLE
   },
   {
     D0F0xBC_xE0107064_TYPE,
     D0F0xBC_xE0107064_ADDRESS,
-    sizeof (D0F0xBC_xE0107064_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107064_TABLE),
     D0F0xBC_xE0107064_TABLE
   },
   {
     D0F0xBC_xE0107067_TYPE,
     D0F0xBC_xE0107067_ADDRESS,
-    sizeof (D0F0xBC_xE0107067_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107067_TABLE),
     D0F0xBC_xE0107067_TABLE
   },
   {
     D0F0xBC_xE0107068_TYPE,
     D0F0xBC_xE0107068_ADDRESS,
-    sizeof (D0F0xBC_xE0107068_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107068_TABLE),
     D0F0xBC_xE0107068_TABLE
   },
   {
     D0F0xBC_xE010706B_TYPE,
     D0F0xBC_xE010706B_ADDRESS,
-    sizeof (D0F0xBC_xE010706B_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010706B_TABLE),
     D0F0xBC_xE010706B_TABLE
   },
   {
     D0F0xBC_xE010706C_TYPE,
     D0F0xBC_xE010706C_ADDRESS,
-    sizeof (D0F0xBC_xE010706C_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010706C_TABLE),
     D0F0xBC_xE010706C_TABLE
   },
   {
     D0F0xBC_xE010706F_TYPE,
     D0F0xBC_xE010706F_ADDRESS,
-    sizeof (D0F0xBC_xE010706F_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010706F_TABLE),
     D0F0xBC_xE010706F_TABLE
   },
   {
     D0F0xBC_xE0107070_TYPE,
     D0F0xBC_xE0107070_ADDRESS,
-    sizeof (D0F0xBC_xE0107070_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107070_TABLE),
     D0F0xBC_xE0107070_TABLE
   },
   {
     D0F0xBC_xE0107073_TYPE,
     D0F0xBC_xE0107073_ADDRESS,
-    sizeof (D0F0xBC_xE0107073_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107073_TABLE),
     D0F0xBC_xE0107073_TABLE
   },
   {
     D0F0xBC_xE0107074_TYPE,
     D0F0xBC_xE0107074_ADDRESS,
-    sizeof (D0F0xBC_xE0107074_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107074_TABLE),
     D0F0xBC_xE0107074_TABLE
   },
   {
     D0F0xBC_xE0107077_TYPE,
     D0F0xBC_xE0107077_ADDRESS,
-    sizeof (D0F0xBC_xE0107077_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107077_TABLE),
     D0F0xBC_xE0107077_TABLE
   },
   {
     D0F0xBC_xE0107078_TYPE,
     D0F0xBC_xE0107078_ADDRESS,
-    sizeof (D0F0xBC_xE0107078_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0107078_TABLE),
     D0F0xBC_xE0107078_TABLE
   },
   {
     D0F0xBC_xE010707B_TYPE,
     D0F0xBC_xE010707B_ADDRESS,
-    sizeof (D0F0xBC_xE010707B_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010707B_TABLE),
     D0F0xBC_xE010707B_TABLE
   },
   {
     D0F0xBC_xE010707C_TYPE,
     D0F0xBC_xE010707C_ADDRESS,
-    sizeof (D0F0xBC_xE010707C_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010707C_TABLE),
     D0F0xBC_xE010707C_TABLE
   },
   {
     D0F0xBC_xE010707F_TYPE,
     D0F0xBC_xE010707F_ADDRESS,
-    sizeof (D0F0xBC_xE010707F_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE010707F_TABLE),
     D0F0xBC_xE010707F_TABLE
   },
   {
     D0F0xBC_xFF000000_TYPE,
     D0F0xBC_xFF000000_ADDRESS,
-    sizeof (D0F0xBC_xFF000000_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xFF000000_TABLE),
     D0F0xBC_xFF000000_TABLE
   },
   {
     D0F0xBC_xE0001008_TYPE,
     D0F0xBC_xE0001008_ADDRESS,
-    sizeof (D0F0xBC_xE0001008_TABLE) / sizeof (FUSE_REGISTER_ENTRY_TN),
+    ARRAY_SIZE(D0F0xBC_xE0001008_TABLE),
     D0F0xBC_xE0001008_TABLE
   }
 };
 
 FUSE_TABLE_TN  FuseTableTN = {
-  sizeof (FuseRegisterTableTN) / sizeof (FUSE_TABLE_ENTRY_TN),
+  ARRAY_SIZE(FuseRegisterTableTN),
   FuseRegisterTableTN
 };
 
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/PcieTablesTN.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/PcieTablesTN.c
index b1ac093ab18f..a58e918a22c9 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/PcieTablesTN.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/PcieTablesTN.c
@@ -110,8 +110,8 @@ STATIC PCIE_HOST_REGISTER_ENTRY PcieInitEarlyTable ROMDATA[] = {
 
 CONST PCIE_HOST_REGISTER_TABLE_HEADER ROMDATA PcieInitEarlyTableTN  = {
   &PcieInitEarlyTable[0],
-  sizeof (PcieInitEarlyTable) / sizeof (PCIE_HOST_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(PcieInitEarlyTable)
+  };
 
 STATIC PCIE_HOST_REGISTER_ENTRY ROMDATA CoreInitTable [] = {
   {
@@ -160,8 +160,8 @@ STATIC PCIE_HOST_REGISTER_ENTRY ROMDATA CoreInitTable [] = {
 
 CONST PCIE_HOST_REGISTER_TABLE_HEADER ROMDATA CoreInitTableTN  = {
   &CoreInitTable[0],
-  sizeof (CoreInitTable) / sizeof (PCIE_HOST_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(CoreInitTable)
+  };
 
 
 STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitEarlyTable [] = {
@@ -208,8 +208,8 @@ STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitEarlyTable [] = {
 
 CONST PCIE_PORT_REGISTER_TABLE_HEADER ROMDATA PortInitEarlyTableTN  = {
   &PortInitEarlyTable[0],
-  sizeof (PortInitEarlyTable) / sizeof (PCIE_PORT_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(PortInitEarlyTable)
+  };
 
 
 STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitMidTable [] = {
@@ -227,5 +227,5 @@ STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitMidTable [] = {
 
 CONST PCIE_PORT_REGISTER_TABLE_HEADER ROMDATA PortInitMidTableTN  = {
   &PortInitMidTable[0],
-  sizeof (PortInitMidTable) / sizeof (PCIE_PORT_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(PortInitMidTable)
+  };
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c
index a2aa39603543..a0a9bb6aabbe 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c
@@ -123,7 +123,7 @@ PcieAspmBlackListFeature (
 
   GnbLibPciRead (LinkAsmp->UpstreamPort.AddressValue, AccessWidth32, &UpstreamDeviceId, StdHeader);
   GnbLibPciRead (LinkAsmp->DownstreamPort.AddressValue, AccessWidth32, &DownstreamDeviceId, StdHeader);
-  for (i = 0; i < (sizeof (AspmBrDeviceTable) / sizeof (UINT16)); i = i + 3) {
+  for (i = 0; i < ARRAY_SIZE(AspmBrDeviceTable); i = i + 3) {
     VendorId = AspmBrDeviceTable[i];
     DeviceId = AspmBrDeviceTable[i + 1];
     if (VendorId == (UINT16)UpstreamDeviceId || VendorId == (UINT16)DownstreamDeviceId ) {
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieMaxPayloadV4.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieMaxPayloadV4.c
index 045315fda4bd..2bd702a9b338 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieMaxPayloadV4.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieMaxPayloadV4.c
@@ -282,7 +282,7 @@ PciePayloadBlackListFeature (
   UINT32  VendorId;
 
   GnbLibPciRead (Device.AddressValue, AccessWidth32, &TargetDeviceId, StdHeader);
-  for (i = 0; i < (sizeof (PayloadBlacklistDeviceTable) / sizeof (UINT16)); i = i + 3) {
+  for (i = 0; i < ARRAY_SIZE(PayloadBlacklistDeviceTable); i = i + 3) {
     VendorId = PayloadBlacklistDeviceTable[i];
     DeviceId = PayloadBlacklistDeviceTable[i + 1];
     if (VendorId == (UINT16)TargetDeviceId) {
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/TN/mns3tn.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/TN/mns3tn.c
index c11e90e30ea9..c14ab4a8cc79 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/TN/mns3tn.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/NB/TN/mns3tn.c
@@ -228,7 +228,7 @@ PCI_REG_DESCRIPTOR ROMDATA S3PciPreSelfRefDescriptorTN[] = {
 
 CONST PCI_REGISTER_BLOCK_HEADER ROMDATA S3PciPreSelfRefTN = {
   0,
-  (sizeof (S3PciPreSelfRefDescriptorTN) / sizeof (PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3PciPreSelfRefDescriptorTN),
   S3PciPreSelfRefDescriptorTN,
   PciSpecialCaseFuncTN
 };
@@ -510,7 +510,7 @@ CONDITIONAL_PCI_REG_DESCRIPTOR ROMDATA S3CPciPreSelfDescriptorTN[] = {
 
 CONST CPCI_REGISTER_BLOCK_HEADER ROMDATA S3CPciPreSelfRefTN = {
   0,
-  (sizeof (S3CPciPreSelfDescriptorTN) / sizeof (CONDITIONAL_PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3CPciPreSelfDescriptorTN),
   S3CPciPreSelfDescriptorTN,
   PciSpecialCaseFuncTN
 };
@@ -797,7 +797,7 @@ CONDITIONAL_PCI_REG_DESCRIPTOR ROMDATA S3CPciPostSelfDescriptorTN[] = {
 
 CONST CPCI_REGISTER_BLOCK_HEADER ROMDATA S3CPciPostSelfRefTN = {
   0,
-  (sizeof (S3CPciPostSelfDescriptorTN) / sizeof (CONDITIONAL_PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3CPciPostSelfDescriptorTN),
   S3CPciPostSelfDescriptorTN,
   PciSpecialCaseFuncTN
 };
@@ -811,7 +811,7 @@ MSR_REG_DESCRIPTOR ROMDATA S3MSRPreSelfRefDescriptorTN[] = {
 
 CONST MSR_REGISTER_BLOCK_HEADER ROMDATA S3MSRPreSelfRefTN = {
   0,
-  (sizeof (S3MSRPreSelfRefDescriptorTN) / sizeof (MSR_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3MSRPreSelfRefDescriptorTN),
   S3MSRPreSelfRefDescriptorTN,
   NULL
 };
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/DDR3/mt3.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/DDR3/mt3.c
index 335934bf5c90..dcf62022abe7 100644
--- a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/DDR3/mt3.c
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/DDR3/mt3.c
@@ -207,12 +207,12 @@ MemConstructTechBlock3 (
       //
       // Initialize the SPD pointers for each Dimm
       //
-      for (i = 0 ; i < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0])) ; i++) {
+      for (i = 0 ; i < ARRAY_SIZE(ChannelPtr->DimmSpdPtr); i++) {
         ChannelPtr->DimmSpdPtr[i] = NULL;
       }
       for (i = 0 ; i < DimmSlots; i++) {
         ChannelPtr->DimmSpdPtr[i] = &(ChannelPtr->SpdPtr[i]);
-        if ( (i + 2) < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0]))) {
+        if ( (i + 2) < ARRAY_SIZE(ChannelPtr->DimmSpdPtr)) {
           if (ChannelPtr->DimmSpdPtr[i]->DimmPresent) {
             if ((((ChannelPtr->DimmSpdPtr[i]->Data[SPD_RANKS] >> 3) & 0x07) + 1) > 2) {
               ChannelPtr->DimmSpdPtr[i + 2] = &(ChannelPtr->SpdPtr[i]);
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/cpuF16WheaInitDataTables.c b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/cpuF16WheaInitDataTables.c
index ab06fe196f59..176fd73069fd 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/cpuF16WheaInitDataTables.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/cpuF16WheaInitDataTables.c
@@ -97,7 +97,7 @@ AMD_WHEA_INIT_DATA F16WheaInitData = {
   0x00,                     // AmdMcbClrStatusOnInit
   0x02,                     // AmdMcbStatusDataFormat
   0x00,                     // AmdMcbConfWriteEn
-  (sizeof (F16HestBankInitData) / sizeof (F16HestBankInitData[0])), // HestBankNum
+  ARRAY_SIZE(F16HestBankInitData), // HestBankNum
   &F16HestBankInitData[0]   // Pointer to Initial data of HEST Bank
 };
 
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/Family/Yangtze/YangtzeHwAcpiEnvService.c b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/Family/Yangtze/YangtzeHwAcpiEnvService.c
index 57ca2227103b..9f90a1376c8b 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/Family/Yangtze/YangtzeHwAcpiEnvService.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/Family/Yangtze/YangtzeHwAcpiEnvService.c
@@ -183,7 +183,8 @@ ProgramFchEnvHwAcpiPciReg (
   //
   //Early post initialization of pci config space
   //
-  ProgramPciByteTable ((REG8_MASK*) (&FchYangtzeInitEnvHwAcpiPciTable[0]), sizeof (FchYangtzeInitEnvHwAcpiPciTable) / sizeof (REG8_MASK), StdHeader);
+  ProgramPciByteTable ((REG8_MASK*) (&FchYangtzeInitEnvHwAcpiPciTable[0]),
+                       ARRAY_SIZE(FchYangtzeInitEnvHwAcpiPciTable), StdHeader);
 
   if ( LocalCfgPtr->Smbus.SmbusSsid != 0 ) {
     RwPci ((SMBUS_BUS_DEV_FUN << 16) + FCH_CFG_REG2C, AccessWidth32, 0x00, LocalCfgPtr->Smbus.SmbusSsid, StdHeader);
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/HwAcpiLate.c b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/HwAcpiLate.c
index db46136bc02b..d012d06e1389 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/HwAcpiLate.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/HwAcpi/HwAcpiLate.c
@@ -86,7 +86,7 @@ STATIC PCI_IRQ_REG_BLOCK FchInternalDeviceIrqForApicMode[] = {
     { (FCH_IRQ_GPPINT3 | FCH_IRQ_IOAPIC), 0x13},
   };
 
-#define NUM_OF_DEVICE_FOR_APICIRQ  sizeof (FchInternalDeviceIrqForApicMode) / sizeof (PCI_IRQ_REG_BLOCK)
+#define NUM_OF_DEVICE_FOR_APICIRQ  ARRAY_SIZE(FchInternalDeviceIrqForApicMode)
 
 /**
  * FchInitLateHwAcpi - Prepare HwAcpi controller to boot to OS.
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataEnvService.c b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataEnvService.c
index 0ae09932cffa..7cf6a818d743 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataEnvService.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataEnvService.c
@@ -202,7 +202,7 @@ FchProgramSataPhy (
 
   PhyTablePtr = &SataPhyTable[0];
 
-  for (Index = 0; Index < (sizeof (SataPhyTable) / sizeof (SATA_PHY_SETTING)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(SataPhyTable); Index++) {
     RwPci ((SATA_BUS_DEV_FUN << 16) + 0x080, AccessWidth16, 0xFC00, PhyTablePtr->PhyCoreControlWord, StdHeader);
     RwPci ((SATA_BUS_DEV_FUN << 16) + 0x98, AccessWidth32, 0x00, PhyTablePtr->PhyFineTuneDword, StdHeader);
     ++PhyTablePtr;
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcEnvService.c b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcEnvService.c
index e2f37bbc25cc..289acd2b000d 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcEnvService.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcEnvService.c
@@ -82,7 +82,8 @@ FchInitEnvLpcProgram (
   LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
   StdHeader = LocalCfgPtr->StdHeader;
 
-  ProgramPciByteTable ((REG8_MASK*) (&FchInitYangtzeEnvLpcPciTable[0]), sizeof (FchInitYangtzeEnvLpcPciTable) / sizeof (REG8_MASK), StdHeader);
+  ProgramPciByteTable ((REG8_MASK*) (&FchInitYangtzeEnvLpcPciTable[0]),
+                       ARRAY_SIZE(FchInitYangtzeEnvLpcPciTable), StdHeader);
 
   RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG28, AccessWidth32, (UINT32)~(BIT21 + BIT20 + BIT19), 0);
 }
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcResetService.c b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcResetService.c
index ab71bb9d4956..6411e04e38ea 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcResetService.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Spi/Family/Yangtze/YangtzeLpcResetService.c
@@ -125,7 +125,8 @@ FchInitResetLpcProgram (
   //
   RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGBA, AccessWidth16, 0xFFFF, BIT8, StdHeader);
 
-  ProgramPciByteTable ( (REG8_MASK*) (&FchInitYangtzeResetLpcPciTable[0]), sizeof (FchInitYangtzeResetLpcPciTable) / sizeof (REG8_MASK), StdHeader);
+  ProgramPciByteTable ( (REG8_MASK*) (&FchInitYangtzeResetLpcPciTable[0]),
+                       ARRAY_SIZE(FchInitYangtzeResetLpcPciTable), StdHeader);
 
   if ( LocalCfgPtr->Spi.LpcClk0 ) {
     RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGD0 + 1, AccessWidth8, 0xDF, 0x20, StdHeader);
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
index 23501227eb11..3d3a097e6387 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxInitLibV1/GfxEnumConnectors.c
@@ -253,7 +253,7 @@ GfxIntegratedExtConnectorInfo (
   )
 {
   UINTN Index;
-  for (Index = 0; Index < (sizeof (ConnectorInfoTable) / sizeof (EXT_CONNECTOR_INFO)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(ConnectorInfoTable); Index++) {
     if (ConnectorInfoTable[Index].ConnectorType == ConnectorType) {
       return &ConnectorInfoTable[Index];
     }
@@ -331,7 +331,7 @@ GfxIntegratedExtDisplayDeviceInfo (
   UINT8 Index;
   UINT8 LastIndex;
   LastIndex = 0xff;
-  for (Index = 0; Index < (sizeof (DisplayDeviceInfoTable) / sizeof (EXT_DISPLAY_DEVICE_INFO)); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(DisplayDeviceInfoTable); Index++) {
     if (DisplayDeviceInfoTable[Index].DisplayDeviceEnum == DisplayDeviceEnum) {
       LastIndex = Index;
       if (DisplayDeviceInfoTable[Index].DeviceIndex == DisplayDeviceIndex) {
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxIntTableV3/GfxPwrPlayTable.c b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxIntTableV3/GfxPwrPlayTable.c
index 4e83c4435914..3cc3fad2538e 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxIntTableV3/GfxPwrPlayTable.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbGfxIntTableV3/GfxPwrPlayTable.c
@@ -889,13 +889,11 @@ GfxPwrPlayBuildVceStateTable (
   UsedStateBitmap = 0;
   // build used state
   for (Index = 0;
-       Index < (sizeof (PpWorkspace->PpF1s->VceFlags) /
-                sizeof (PpWorkspace->PpF1s->VceFlags[0])) ;
+       Index < ARRAY_SIZE(PpWorkspace->PpF1s->VceFlags);
        Index++) {
     UsedStateBitmap |= PpWorkspace->PpF1s->VceFlags[Index];
     for (VceStateIndex = 0;
-         VceStateIndex < (sizeof (PpWorkspace->VceStateArray) /
-                          sizeof (PpWorkspace->VceStateArray[0]));
+         VceStateIndex < ARRAY_SIZE(PpWorkspace->VceStateArray);
          VceStateIndex++) {
       if ((PpWorkspace->PpF1s->VceFlags[Index] & (1 << VceStateIndex)) != 0) {
         v4 = GfxFmCalculateClock (PpWorkspace->PpF1s->PP_FUSE_ARRAY_V2_fld33[PpWorkspace->PpF1s->PP_FUSE_ARRAY_V2_fld16[Index]],
@@ -919,7 +917,7 @@ GfxPwrPlayBuildVceStateTable (
   }
   //build unused states
   for (VceStateIndex = 0;
-       VceStateIndex < (sizeof (PpWorkspace->VceStateArray) / sizeof (PpWorkspace->VceStateArray[0]));
+       VceStateIndex < ARRAY_SIZE(PpWorkspace->VceStateArray);
        VceStateIndex++) {
     if ((UsedStateBitmap & (1 << VceStateIndex)) == 0) {
       PpWorkspace->VceStateArray[VceStateIndex].ucClockInfoIndex = 0;
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/GnbF1TableKB.c b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/GnbF1TableKB.c
index 41b7b176f229..e0dae34ea465 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/GnbF1TableKB.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/GnbF1TableKB.c
@@ -708,157 +708,157 @@ F1_TABLE_ENTRY_KB F1RegisterTableKB [] = {
   {
     0x4,
     0xC0104007,
-    sizeof (D0F0xBC_xC0104007_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0104007_TABLE),
     D0F0xBC_xC0104007_TABLE
   },
   {
     0x4,
     0xC0104008,
-    sizeof (D0F0xBC_xC0104008_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0104008_TABLE),
     D0F0xBC_xC0104008_TABLE
   },
   {
     0x4,
     0xC010400c,
-    sizeof (D0F0xBC_xC010400C_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC010400C_TABLE),
     D0F0xBC_xC010400C_TABLE
   },
   {
     0x4,
     0xC010407c,
-    sizeof (D0F0xBC_xC010407C_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC010407C_TABLE),
     D0F0xBC_xC010407C_TABLE
   },
   {
     0x4,
     0xC0104080,
-    sizeof (D0F0xBC_xC0104080_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0104080_TABLE),
     D0F0xBC_xC0104080_TABLE
   },
   {
     0x4,
     0xC0104083,
-    sizeof (D0F0xBC_xC0104083_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0104083_TABLE),
     D0F0xBC_xC0104083_TABLE
   },
   {
     0x4,
     0xC0104084,
-    sizeof (D0F0xBC_xC0104084_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0104084_TABLE),
     D0F0xBC_xC0104084_TABLE
   },
   {
     0x4,
     0xC0104088,
-    sizeof (D0F0xBC_xC0104088_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0104088_TABLE),
     D0F0xBC_xC0104088_TABLE
   },
   {
     0x4,
     0xC01040a8,
-    sizeof (D0F0xBC_xC01040A8_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC01040A8_TABLE),
     D0F0xBC_xC01040A8_TABLE
   },
   {
     0x4,
     0xC01040ac,
-    sizeof (D0F0xBC_xC01040AC_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC01040AC_TABLE),
     D0F0xBC_xC01040AC_TABLE
   },
   {
     0x4,
     0xC0107044,
-    sizeof (D0F0xBC_xC0107044_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107044_TABLE),
     D0F0xBC_xC0107044_TABLE
   },
   {
     0x4,
     0xC0107064,
-    sizeof (D0F0xBC_xC0107064_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107064_TABLE),
     D0F0xBC_xC0107064_TABLE
   },
   {
     0x4,
     0xC0107067,
-    sizeof (D0F0xBC_xC0107067_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107067_TABLE),
     D0F0xBC_xC0107067_TABLE
   },
   {
     0x4,
     0xC0107068,
-    sizeof (D0F0xBC_xC0107068_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107068_TABLE),
     D0F0xBC_xC0107068_TABLE
   },
   {
     0x4,
     0xC010706b,
-    sizeof (D0F0xBC_xC010706B_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC010706B_TABLE),
     D0F0xBC_xC010706B_TABLE
   },
   {
     0x4,
     0xC010706c,
-    sizeof (D0F0xBC_xC010706C_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC010706C_TABLE),
     D0F0xBC_xC010706C_TABLE
   },
   {
     0x4,
     0xC010706f,
-    sizeof (D0F0xBC_xC010706F_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC010706F_TABLE),
     D0F0xBC_xC010706F_TABLE
   },
   {
     0x4,
     0xC0107070,
-    sizeof (D0F0xBC_xC0107070_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107070_TABLE),
     D0F0xBC_xC0107070_TABLE
   },
   {
     0x4,
     0xC0107073,
-    sizeof (D0F0xBC_xC0107073_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107073_TABLE),
     D0F0xBC_xC0107073_TABLE
   },
   {
     0x4,
     0xC0107074,
-    sizeof (D0F0xBC_xC0107074_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107074_TABLE),
     D0F0xBC_xC0107074_TABLE
   },
   {
     0x4,
     0xC0107077,
-    sizeof (D0F0xBC_xC0107077_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107077_TABLE),
     D0F0xBC_xC0107077_TABLE
   },
   {
     0x4,
     0xC0107078,
-    sizeof (D0F0xBC_xC0107078_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107078_TABLE),
     D0F0xBC_xC0107078_TABLE
   },
   {
     0x4,
     0xC010707c,
-    sizeof (D0F0xBC_xC010707C_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC010707C_TABLE),
     D0F0xBC_xC010707C_TABLE
   },
   {
     0x4,
     0xC0107080,
-    sizeof (D0F0xBC_xC0107080_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107080_TABLE),
     D0F0xBC_xC0107080_TABLE
   },
   {
     0x4,
     0xC0107083,
-    sizeof (D0F0xBC_xC0107083_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107083_TABLE),
     D0F0xBC_xC0107083_TABLE
   },
   {
     0x4,
     0xC0107084,
-    sizeof (D0F0xBC_xC0107084_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D0F0xBC_xC0107084_TABLE),
     D0F0xBC_xC0107084_TABLE
   }
 };
@@ -867,67 +867,67 @@ F1_TABLE_ENTRY_KB  PPRegisterTableKB [] = {
   {
     D18F3x64_TYPE,
     D18F3x64_ADDRESS,
-    sizeof (D18F3x64_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F3x64_TABLE),
     D18F3x64_TABLE
   },
   {
     0x4,
     0xC0500000,
-    sizeof (GnbFuseTableKB565_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(GnbFuseTableKB565_TABLE),
     GnbFuseTableKB565_TABLE
   },
   {
     D18F2x90_dct0_TYPE,
     D18F2x90_dct0_ADDRESS,
-    sizeof (D18F2x90_dct0_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F2x90_dct0_TABLE),
     D18F2x90_dct0_TABLE
   },
   {
     D18F2x94_dct0_TYPE,
     D18F2x94_dct0_ADDRESS,
-    sizeof (D18F2x94_dct0_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F2x94_dct0_TABLE),
     D18F2x94_dct0_TABLE
   },
   {
     D18F2xA8_dct0_TYPE,
     D18F2xA8_dct0_ADDRESS,
-    sizeof (D18F2xA8_dct0_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F2xA8_dct0_TABLE),
     D18F2xA8_dct0_TABLE
   },
   {
     D18F5x160_TYPE,
     D18F5x160_ADDRESS,
-    sizeof (D18F5x160_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F5x160_TABLE),
     D18F5x160_TABLE
   },
   {
     D18F5x164_TYPE,
     D18F5x164_ADDRESS,
-    sizeof (D18F5x164_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F5x164_TABLE),
     D18F5x164_TABLE
   },
   {
     D18F5x168_TYPE,
     D18F5x168_ADDRESS,
-    sizeof (D18F5x168_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F5x168_TABLE),
     D18F5x168_TABLE
   },
   {
     D18F5x16C_TYPE,
     D18F5x16C_ADDRESS,
-    sizeof (D18F5x16C_TABLE) / sizeof (F1_REGISTER_ENTRY_KB),
+    ARRAY_SIZE(D18F5x16C_TABLE),
     D18F5x16C_TABLE
   }
 };
 
 
 F1_TABLE_KB  F1TableKB = {
-  sizeof (F1RegisterTableKB) / sizeof (F1_TABLE_ENTRY_KB),
+  ARRAY_SIZE(F1RegisterTableKB),
   F1RegisterTableKB
 };
 
 F1_TABLE_KB  PPTableKB = {
-  sizeof (PPRegisterTableKB) / sizeof (F1_TABLE_ENTRY_KB),
+  ARRAY_SIZE(PPRegisterTableKB),
   PPRegisterTableKB
 };
 
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieConfigKB.c b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieConfigKB.c
index bc87ddef3da4..4e774a83b6e9 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieConfigKB.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieConfigKB.c
@@ -351,7 +351,7 @@ PcieCheckPortPciDeviceMappingKB (
   if (DevFunc == 0) {
     return TRUE;
   }
-  for (Index = 0; Index < (sizeof (DefaultPortDevMap) / sizeof (DefaultPortDevMap[0])); Index++) {
+  for (Index = 0; Index < ARRAY_SIZE(DefaultPortDevMap); Index++) {
     if (DefaultPortDevMap[Index] == DevFunc) {
       return TRUE;
     }
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieTablesKB.c b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieTablesKB.c
index 10f882808ae9..d99fbe77cc15 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieTablesKB.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/PcieTablesKB.c
@@ -95,8 +95,8 @@ STATIC PCIE_HOST_REGISTER_ENTRY PcieInitEarlyTable ROMDATA[] = {
 
 CONST PCIE_HOST_REGISTER_TABLE_HEADER ROMDATA PcieInitEarlyTableKB  = {
   &PcieInitEarlyTable[0],
-  sizeof (PcieInitEarlyTable) / sizeof (PCIE_HOST_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(PcieInitEarlyTable)
+  };
 
 STATIC PCIE_HOST_REGISTER_ENTRY ROMDATA CoreInitTable [] = {
   {
@@ -146,8 +146,8 @@ STATIC PCIE_HOST_REGISTER_ENTRY ROMDATA CoreInitTable [] = {
 
 CONST PCIE_HOST_REGISTER_TABLE_HEADER ROMDATA CoreInitTableKB  = {
   &CoreInitTable[0],
-  sizeof (CoreInitTable) / sizeof (PCIE_HOST_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(CoreInitTable)
+  };
 
 
 STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitEarlyTable [] = {
@@ -197,8 +197,8 @@ STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitEarlyTable [] = {
 
 CONST PCIE_PORT_REGISTER_TABLE_HEADER ROMDATA PortInitEarlyTableKB  = {
   &PortInitEarlyTable[0],
-  sizeof (PortInitEarlyTable) / sizeof (PCIE_PORT_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(PortInitEarlyTable)
+  };
 
 
 STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitMidTable [] = {
@@ -221,5 +221,5 @@ STATIC PCIE_PORT_REGISTER_ENTRY ROMDATA PortInitMidTable [] = {
 
 CONST PCIE_PORT_REGISTER_TABLE_HEADER ROMDATA PortInitMidTableKB  = {
   &PortInitMidTable[0],
-  sizeof (PortInitMidTable) / sizeof (PCIE_PORT_REGISTER_ENTRY)
-};
+  ARRAY_SIZE(PortInitMidTable)
+  };
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c
index 64e7cb36fc20..8c25a8b0987e 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieInitLibV1/PcieAspmBlackList.c
@@ -139,7 +139,7 @@ PcieAspmBlackListFeature (
   GnbLibPciRead (LinkAspm->UpstreamPort.AddressValue, AccessWidth32, &UpstreamDeviceId, StdHeader);
   GnbLibPciRead (LinkAspm->DownstreamPort.AddressValue, AccessWidth32, &DownstreamDeviceId, StdHeader);
   LinkAspm->BlackList = FALSE;
-  for (i = 0; i < (sizeof (AspmBrDeviceTable) / sizeof (UINT16)); i = i + 3) {
+  for (i = 0; i < ARRAY_SIZE(AspmBrDeviceTable); i = i + 3) {
     VendorId = AspmBrDeviceTable[i];
     DeviceId = AspmBrDeviceTable[i + 1];
     if (VendorId == (UINT16)UpstreamDeviceId || VendorId == (UINT16)DownstreamDeviceId ) {
@@ -157,7 +157,7 @@ PcieAspmBlackListFeature (
     GnbLibPciRMW (LinkAspm->UpstreamPort.AddressValue | 0x70C, AccessS3SaveWidth32, 0x0, 0x0F003F01, StdHeader);
 
     DeviceId = UpstreamDeviceId >> 16;
-    for (i = 0; i < (sizeof (Aspm168cL0sEnabled) / sizeof (UINT16)); i++) {
+    for (i = 0; i < ARRAY_SIZE(Aspm168cL0sEnabled); i++) {
       if (DeviceId == Aspm168cL0sEnabled[i]) {
         LinkAspm->UpstreamAspm = LinkAspm->RequestedAspm & AspmL0sL1;
         LinkAspm->DownstreamAspm = LinkAspm->UpstreamAspm & AspmL1;
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieMaxPayload/PcieMaxPayload.c b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieMaxPayload/PcieMaxPayload.c
index edf877264b73..a74fe043b71b 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieMaxPayload/PcieMaxPayload.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbPcieMaxPayload/PcieMaxPayload.c
@@ -289,7 +289,7 @@ PciePayloadBlackListFeature (
   UINT32  VendorId;
 
   GnbLibPciRead (Device.AddressValue, AccessWidth32, &TargetDeviceId, StdHeader);
-  for (i = 0; i < (sizeof (PayloadBlacklistDeviceTable) / sizeof (UINT16)); i = i + 3) {
+  for (i = 0; i < ARRAY_SIZE(PayloadBlacklistDeviceTable); i = i + 3) {
     VendorId = PayloadBlacklistDeviceTable[i];
     DeviceId = PayloadBlacklistDeviceTable[i + 1];
     if (VendorId == (UINT16)TargetDeviceId) {
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/NB/KB/mns3kb.c b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/NB/KB/mns3kb.c
index 6ca3859b8ee6..95a464ae8235 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/NB/KB/mns3kb.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/NB/KB/mns3kb.c
@@ -242,7 +242,7 @@ PCI_REG_DESCRIPTOR ROMDATA S3PciPreSelfRefDescriptorKB[] = {
 
 CONST PCI_REGISTER_BLOCK_HEADER ROMDATA S3PciPreSelfRefKB = {
   0,
-  (sizeof (S3PciPreSelfRefDescriptorKB) / sizeof (PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3PciPreSelfRefDescriptorKB),
   S3PciPreSelfRefDescriptorKB,
   PciSpecialCaseFuncKB
 };
@@ -414,7 +414,7 @@ CONDITIONAL_PCI_REG_DESCRIPTOR ROMDATA S3CPciPreSelfDescriptorKB[] = {
 
 CONST CPCI_REGISTER_BLOCK_HEADER ROMDATA S3CPciPreSelfRefKB = {
   0,
-  (sizeof (S3CPciPreSelfDescriptorKB) / sizeof (CONDITIONAL_PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3CPciPreSelfDescriptorKB),
   S3CPciPreSelfDescriptorKB,
   PciSpecialCaseFuncKB
 };
@@ -608,7 +608,7 @@ CONDITIONAL_PCI_REG_DESCRIPTOR ROMDATA S3CPciPostSelfDescriptorKB[] = {
 
 CONST CPCI_REGISTER_BLOCK_HEADER ROMDATA S3CPciPostSelfRefKB = {
   0,
-  (sizeof (S3CPciPostSelfDescriptorKB) / sizeof (CONDITIONAL_PCI_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3CPciPostSelfDescriptorKB),
   S3CPciPostSelfDescriptorKB,
   PciSpecialCaseFuncKB
 };
@@ -638,7 +638,7 @@ MSR_REG_DESCRIPTOR ROMDATA S3MSRPreSelfRefDescriptorKB[] = {
 
 CONST MSR_REGISTER_BLOCK_HEADER ROMDATA S3MSRPreSelfRefKB = {
   0,
-  (sizeof (S3MSRPreSelfRefDescriptorKB) / sizeof (MSR_REG_DESCRIPTOR)),
+  ARRAY_SIZE(S3MSRPreSelfRefDescriptorKB),
   S3MSRPreSelfRefDescriptorKB,
   MsrSpecialCaseFuncKB
 };
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Tech/DDR3/mt3.c b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Tech/DDR3/mt3.c
index 113386e20b55..f632337a3b1b 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Tech/DDR3/mt3.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Tech/DDR3/mt3.c
@@ -207,12 +207,12 @@ MemConstructTechBlock3 (
       //
       // Initialize the SPD pointers for each Dimm
       //
-      for (i = 0 ; i < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0])) ; i++) {
+      for (i = 0 ; i < ARRAY_SIZE(ChannelPtr->DimmSpdPtr); i++) {
         ChannelPtr->DimmSpdPtr[i] = NULL;
       }
       for (i = 0 ; i < DimmSlots; i++) {
         ChannelPtr->DimmSpdPtr[i] = &(ChannelPtr->SpdPtr[i]);
-        if ( (i + 2) < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0]))) {
+        if ( (i + 2) < ARRAY_SIZE(ChannelPtr->DimmSpdPtr)) {
           if (ChannelPtr->DimmSpdPtr[i]->DimmPresent) {
             if ((((ChannelPtr->DimmSpdPtr[i]->Data[SPD_RANKS] >> 3) & 0x07) + 1) > 2) {
               ChannelPtr->DimmSpdPtr[i + 2] = &(ChannelPtr->SpdPtr[i]);
diff --git a/src/vendorcode/amd/cimx/sb900/SBPort.c b/src/vendorcode/amd/cimx/sb900/SBPort.c
index 90e878e1a67a..75df24655c5a 100644
--- a/src/vendorcode/amd/cimx/sb900/SBPort.c
+++ b/src/vendorcode/amd/cimx/sb900/SBPort.c
@@ -330,7 +330,8 @@ sbPowerOnInit (
 //    RWMEM ((pConfig->BuildParameters.SpiRomBaseAddress) + SB_SPI_MMIO_REG0C, AccWidthUint16 | S3_SAVE, ~(BIT15 + BIT14), ( cimSpiFastReadSpeed << 14));
 //  }
   //Program power on pci init table
-  programPciByteTable ( (REG8MASK*) FIXUP_PTR (&sbPorInitPciTable[0]), sizeof (sbPorInitPciTable) / sizeof (REG8MASK) );
+  programPciByteTable ( (REG8MASK*) FIXUP_PTR (&sbPorInitPciTable[0]),
+                       ARRAY_SIZE(sbPorInitPciTable));
 
   programSbAcpiMmioTbl ((AcpiRegWrite *) (pConfig->OEMPROGTBL.OemProgrammingTablePtr_Ptr));
 
diff --git a/src/vendorcode/amd/cimx/sb900/Sata.c b/src/vendorcode/amd/cimx/sb900/Sata.c
index 9d1655c164c2..397ed7d0ab78 100644
--- a/src/vendorcode/amd/cimx/sb900/Sata.c
+++ b/src/vendorcode/amd/cimx/sb900/Sata.c
@@ -487,7 +487,7 @@ sataInitBeforePciEnum (
 
   // RPR 9.5 SATA PHY Programming Sequence
   pPhyTable = (SATAPHYSETTING*)FIXUP_PTR (&sataPhyTable[0]);
-  for (i = 0; i < (sizeof (sataPhyTable) / sizeof (SATAPHYSETTING)); i++) {
+  for (i = 0; i < ARRAY_SIZE(sataPhyTable); i++) {
     RWPCI ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG80, AccWidthUint16 | S3_SAVE, 0x00, pPhyTable->wPhyCoreControl);
     RWPCI ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG98, AccWidthUint32 | S3_SAVE, 0x00, pPhyTable->dwPhyFineTune);
     ++pPhyTable;
diff --git a/src/vendorcode/amd/cimx/sb900/SbCmn.c b/src/vendorcode/amd/cimx/sb900/SbCmn.c
index 1767ea1f24b5..b1784d7dddd4 100644
--- a/src/vendorcode/amd/cimx/sb900/SbCmn.c
+++ b/src/vendorcode/amd/cimx/sb900/SbCmn.c
@@ -397,7 +397,8 @@ commonInitEarlyBoot (
   //Make BAR registers of smbus visible.
   RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC8 + 1, AccWidthUint8, ~BIT6, 0);
   //Early post initialization of pci config space
-  programPciByteTable ((REG8MASK*) FIXUP_PTR (&sbEarlyPostByteInitTable[0]), sizeof (sbEarlyPostByteInitTable) / sizeof (REG8MASK) );
+  programPciByteTable ((REG8MASK*) FIXUP_PTR (&sbEarlyPostByteInitTable[0]),
+                       ARRAY_SIZE(sbEarlyPostByteInitTable));
   if ( pConfig->BuildParameters.SmbusSsid != 0 ) {
     RWPCI ((SMBUS_BUS_DEV_FUN << 16) + SB_CFG_REG2C, AccWidthUint32 | S3_SAVE, 0x00, pConfig->BuildParameters.SmbusSsid);
   }
diff --git a/src/vendorcode/cavium/bdk/libbdk-dram/bdk-dram-test.c b/src/vendorcode/cavium/bdk/libbdk-dram/bdk-dram-test.c
index 9304e78d60b9..fdca040cb3f4 100644
--- a/src/vendorcode/cavium/bdk/libbdk-dram/bdk-dram-test.c
+++ b/src/vendorcode/cavium/bdk/libbdk-dram/bdk-dram-test.c
@@ -134,7 +134,7 @@ void __bdk_dram_flush_to_mem_range(uint64_t area, uint64_t max_address)
  */
 const char *bdk_dram_get_test_name(int test)
 {
-    if (test < (int)(sizeof(TEST_INFO) / sizeof(TEST_INFO[0])))
+    if (test < (int) ARRAY_SIZE(TEST_INFO))
         return TEST_INFO[test].name;
     else
         return NULL;
diff --git a/src/vendorcode/cavium/bdk/libbdk-hal/if/bdk-if-phy-vetesse-xfi.c b/src/vendorcode/cavium/bdk/libbdk-hal/if/bdk-if-phy-vetesse-xfi.c
index 77ba4c42333b..c0dee6cabe6d 100644
--- a/src/vendorcode/cavium/bdk/libbdk-hal/if/bdk-if-phy-vetesse-xfi.c
+++ b/src/vendorcode/cavium/bdk/libbdk-hal/if/bdk-if-phy-vetesse-xfi.c
@@ -141,7 +141,7 @@ int bdk_xfi_vsc7224_dump(int twsi_id, int unit){
 
 	uint64_t pagenum[9] = {0x00, 0x01, 0x02, 0x03, 0x20, 0x21, 0x30, 0x31, 0x40};
 
-	for(p=0; p < (sizeof(pagenum)/sizeof(pagenum[0])); p++){
+	for(p=0; p < ARRAY_SIZE(pagenum); p++){
 		data = pagenum[p];
 		bdk_twsix_write_ia(node, twsi_id, dev_addr, internal_addr, num_bytes, ia_width_bytes, data);
 		for(i=0x80; i<=0xFF; i++){
diff --git a/src/vendorcode/cavium/bdk/libdram/libdram-config-load.c b/src/vendorcode/cavium/bdk/libdram/libdram-config-load.c
index 76b5ddc57d1b..a16954e8b0dd 100644
--- a/src/vendorcode/cavium/bdk/libdram/libdram-config-load.c
+++ b/src/vendorcode/cavium/bdk/libdram/libdram-config-load.c
@@ -147,7 +147,7 @@ static void load_rank_data(dram_config_t *cfg, int ranks, int num_dimms, int lmc
 const dram_config_t *libdram_config_load(bdk_node_t node)
 {
     dram_config_t *cfg = &__libdram_global_cfg;
-    const int MAX_LMCS = sizeof(cfg->config) / sizeof(cfg->config[0]);
+    const int MAX_LMCS = ARRAY_SIZE(cfg->config);
 
     /* Make all fields for the node default to zero */
     memset(cfg, 0, sizeof(*cfg));