cpu/amd: Use common AMD's MSR

Phase 1. Due to the size of the effort, this CL is broken into several
phases.

Change-Id: I0236e0960cd1e79558ea50c814e1de2830aa0550
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29065
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>

82 files changed, 412 insertions, 510 deletions

diff --git a/src/cpu/amd/agesa/family12/fixme.c b/src/cpu/amd/agesa/family12/fixme.c
index d946e1bb13f3..084cae845629 100644
--- a/src/cpu/amd/agesa/family12/fixme.c
+++ b/src/cpu/amd/agesa/family12/fixme.c
@@ -14,6 +14,7 @@
  */
 
 #include <cpu/x86/mtrr.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #include <AGESA.h>
 #include "amdlib.h"
@@ -75,7 +76,7 @@ void amd_initmmio(void)
 	   Address MSR register.
 	 */
 	MsrReg = CONFIG_MMCONF_BASE_ADDRESS | (LibAmdBitScanReverse(CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
-	LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(MMIO_CONF_BASE, &MsrReg, &StdHeader);
 
 	/* Enable Non-Post Memory in CPU */
 	PciData = CONFIG_MMCONF_BASE_ADDRESS + (CONFIG_MMCONF_BUS_NUMBER * 0x100000) - 1;
diff --git a/src/cpu/amd/agesa/family12/model_12_init.c b/src/cpu/amd/agesa/family12/model_12_init.c
index c2f3495eca46..c81b18ea7204 100644
--- a/src/cpu/amd/agesa/family12/model_12_init.c
+++ b/src/cpu/amd/agesa/family12/model_12_init.c
@@ -15,6 +15,8 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/device.h>
 #include <string.h>
@@ -23,13 +25,7 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
 #include <cpu/amd/multicore.h>
-#include <cpu/amd/amdfam12.h>
-
-#define MCG_CAP 0x179
-# define MCA_BANKS_MASK 0xff
-#define MC0_STATUS 0x401
 
 static void model_12_init(struct device *dev)
 {
@@ -55,12 +51,12 @@ static void model_12_init(struct device *dev)
 	disable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	enable_cache();
 
diff --git a/src/cpu/amd/agesa/family14/fixme.c b/src/cpu/amd/agesa/family14/fixme.c
index 7d595853e656..33e164354e0e 100644
--- a/src/cpu/amd/agesa/family14/fixme.c
+++ b/src/cpu/amd/agesa/family14/fixme.c
@@ -14,7 +14,7 @@
  */
 
 #include <cpu/x86/mtrr.h>
-
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #include <AGESA.h>
 #include "amdlib.h"
@@ -78,7 +78,7 @@ void amd_initmmio(void)
 	   Address MSR register.
 	 */
 	MsrReg = CONFIG_MMCONF_BASE_ADDRESS | (LibAmdBitScanReverse(CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
-	LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(MMIO_CONF_BASE, &MsrReg, &StdHeader);
 
 	/* Set Ontario Link Data */
 	PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0, 0, 0xE0);
@@ -96,7 +96,7 @@ void amd_initmmio(void)
 
 	/* Set P-state 0 (1600 MHz) early to save a few ms of boot time */
 	MsrReg = 0;
-	LibAmdMsrWrite (0xC0010062, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(PS_CTL_REG, &MsrReg, &StdHeader);
 }
 
 void amd_initenv(void)
diff --git a/src/cpu/amd/agesa/family14/model_14_init.c b/src/cpu/amd/agesa/family14/model_14_init.c
index b49d97576117..3f0501e5cb04 100644
--- a/src/cpu/amd/agesa/family14/model_14_init.c
+++ b/src/cpu/amd/agesa/family14/model_14_init.c
@@ -15,6 +15,8 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/device.h>
 #include <string.h>
@@ -23,15 +25,9 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/amd/amdfam14.h>
 #include <arch/acpi.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 
-#define MCG_CAP 0x179
-# define MCA_BANKS_MASK 0xff
-#define MC0_STATUS 0x401
-
 static void model_14_init(struct device *dev)
 {
 	u8 i;
@@ -78,12 +74,12 @@ static void model_14_init(struct device *dev)
 	x86_enable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	/* Enable the local CPU APICs */
 	setup_lapic();
diff --git a/src/cpu/amd/agesa/family15tn/fixme.c b/src/cpu/amd/agesa/family15tn/fixme.c
index 2eb96891a0bb..847f75393f66 100644
--- a/src/cpu/amd/agesa/family15tn/fixme.c
+++ b/src/cpu/amd/agesa/family15tn/fixme.c
@@ -14,6 +14,7 @@
  */
 
 #include <cpu/x86/mtrr.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #include <AGESA.h>
 #include "amdlib.h"
@@ -71,7 +72,7 @@ void amd_initmmio(void)
 	  Address MSR register.
 	*/
 	MsrReg = CONFIG_MMCONF_BASE_ADDRESS | (LibAmdBitScanReverse (CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
-	LibAmdMsrWrite (0xC0010058, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(MMIO_CONF_BASE, &MsrReg, &StdHeader);
 
 	/* Set ROM cache onto WP to decrease post time */
 	MsrReg = (0x0100000000ull - CACHE_ROM_SIZE) | 5ull;
diff --git a/src/cpu/amd/agesa/family15tn/model_15_init.c b/src/cpu/amd/agesa/family15tn/model_15_init.c
index fdcb9a233244..d188bcc84bf0 100644
--- a/src/cpu/amd/agesa/family15tn/model_15_init.c
+++ b/src/cpu/amd/agesa/family15tn/model_15_init.c
@@ -15,8 +15,10 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
-#include <cpu/x86/smm.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
+#include <cpu/x86/smm.h>
 #include <device/device.h>
 #include <string.h>
 #include <cpu/x86/pae.h>
@@ -24,8 +26,6 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/amd/amdfam15.h>
 #include <arch/acpi.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 
@@ -73,12 +73,12 @@ static void model_15_init(struct device *dev)
 	x86_enable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	/* Enable the local CPU APICs */
 	setup_lapic();
@@ -108,14 +108,14 @@ static void model_15_init(struct device *dev)
 		printk(BIOS_INFO, "Initializing SMM for CPU %u\n", cpu_idx);
 
 		/* Set SMM base address for this CPU */
-		msr = rdmsr(MSR_SMM_BASE);
+		msr = rdmsr(SMM_BASE_MSR);
 		msr.lo = SMM_BASE - (cpu_idx * 0x400);
-		wrmsr(MSR_SMM_BASE, msr);
+		wrmsr(SMM_BASE_MSR, msr);
 
 		/* Enable the SMM memory window */
-		msr = rdmsr(MSR_SMM_MASK);
+		msr = rdmsr(SMM_MASK_MSR);
 		msr.lo |= (1 << 0); /* Enable ASEG SMRAM Range */
-		wrmsr(MSR_SMM_MASK, msr);
+		wrmsr(SMM_MASK_MSR, msr);
 	}
 
 	/* Write protect SMM space with SMMLOCK. */
diff --git a/src/cpu/amd/agesa/family15tn/udelay.c b/src/cpu/amd/agesa/family15tn/udelay.c
index 3d40fc3b33f1..7ff4c5c7a803 100644
--- a/src/cpu/amd/agesa/family15tn/udelay.c
+++ b/src/cpu/amd/agesa/family15tn/udelay.c
@@ -21,6 +21,7 @@
  */
 
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/x86/tsc.h>
 #include <delay.h>
 #include <stdint.h>
@@ -36,11 +37,11 @@ void udelay(uint32_t us)
 	tsc_start = rdtscll();
 
 	/* Get the P-state. This determines which MSR to read */
-	msr = rdmsr(0xc0010063);
+	msr = rdmsr(PS_STS_REG);
 	pstate_idx = msr.lo & 0x07;
 
 	/* Get FID and VID for current P-State */
-	msr = rdmsr(0xc0010064 + pstate_idx);
+	msr = rdmsr(PSTATE_0_MSR + pstate_idx);
 
 	/* Extract the FID and VID values */
 	fid = msr.lo & 0x3f;
diff --git a/src/cpu/amd/agesa/family16kb/fixme.c b/src/cpu/amd/agesa/family16kb/fixme.c
index 4ea52cc6e024..1f22307f1e86 100644
--- a/src/cpu/amd/agesa/family16kb/fixme.c
+++ b/src/cpu/amd/agesa/family16kb/fixme.c
@@ -14,6 +14,7 @@
  */
 
 #include <cpu/x86/mtrr.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #include <AGESA.h>
 #include "amdlib.h"
@@ -71,7 +72,7 @@ void amd_initmmio(void)
 	  Address MSR register.
 	*/
 	MsrReg = CONFIG_MMCONF_BASE_ADDRESS | (LibAmdBitScanReverse (CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
-	LibAmdMsrWrite (0xC0010058, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(MMIO_CONF_BASE, &MsrReg, &StdHeader);
 
 	/* Set ROM cache onto WP to decrease post time */
 	MsrReg = (0x0100000000ull - CACHE_ROM_SIZE) | 5ull;
diff --git a/src/cpu/amd/agesa/family16kb/model_16_init.c b/src/cpu/amd/agesa/family16kb/model_16_init.c
index 1b5db23ff5cd..286bcc377b56 100644
--- a/src/cpu/amd/agesa/family16kb/model_16_init.c
+++ b/src/cpu/amd/agesa/family16kb/model_16_init.c
@@ -15,6 +15,8 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/device.h>
 #include <string.h>
@@ -23,8 +25,6 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/amd/amdfam16.h>
 #include <arch/acpi.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 
@@ -71,12 +71,12 @@ static void model_16_init(struct device *dev)
 	x86_enable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	/* Enable the local CPU APICs */
 	setup_lapic();
diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc
index c773bd65bc38..7cbf1dbcbb02 100644
--- a/src/cpu/amd/car/cache_as_ram.inc
+++ b/src/cpu/amd/car/cache_as_ram.inc
@@ -17,6 +17,7 @@
 
 #include <cpu/x86/mtrr.h>
 #include <cpu/x86/cache.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 
 #define CacheSize		CONFIG_DCACHE_RAM_SIZE
@@ -27,9 +28,6 @@
 /* For CAR with Fam10h. */
 #define CacheSizeAPStack	CONFIG_DCACHE_AP_STACK_SIZE
 
-#define MSR_MCFG_BASE		0xC0010058
-#define MSR_BU_CFG2		0xC001102A
-
 #define jmp_if_not_k8(x)	comisd	%xmm2, %xmm1; jae x
 #define jmp_if_k8(x)		comisd	%xmm2, %xmm1; jb x
 #define jmp_if_not_fam15h(x)	comisd	%xmm3, %xmm1; jb x
@@ -130,13 +128,13 @@ CAR_FAM10_out:
 	 * Errata 193: Disable clean copybacks to L3 cache to allow cached ROM.
 	 * Re-enable it in after RAM is initialized and before CAR is disabled.
 	 */
-	movl	$MSR_BU_CFG2, %ecx
+	movl	$BU_CFG2_MSR, %ecx
 	rdmsr
 	bts	$15, %eax	/* Set bit 15 in EDX:EAX (bit 15 in EAX). */
 	wrmsr
 
 	/* Erratum 343, RevGuide for Fam10h, Pub#41322 Rev. 3.33 */
-	movl	$MSR_BU_CFG2, %ecx
+	movl	$BU_CFG2_MSR, %ecx
 	rdmsr
 	bts	$35-32, %edx	/* Set bit 35 in EDX:EAX (bit 3 in EDX). */
 	wrmsr
@@ -171,7 +169,7 @@ CAR_FAM10_errata_applied:
    #else
 	#error "bad MMCONF_BUS_NUMBER value"
    #endif
-	movl	$MSR_MCFG_BASE, %ecx
+	movl	$MMIO_CONF_BASE, %ecx
 	wrmsr
 #endif
 
@@ -179,7 +177,7 @@ CAR_FAM10_out_post_errata:
 
 	/* Fam15h APIC IDs do not depend on NB config bit 54 */
 	jmp_if_not_fam15h(skip_nb54_set)
-	movl	$0xc001001f, %ecx	/* NB_CFG_MSR */
+	movl	$NB_CFG_MSR, %ecx
 	rdmsr
 	bts	$(54 - 32), %edx	/* Set NB config bit 54 */
 	wrmsr
@@ -227,7 +225,7 @@ skip_cu_check:
 	jmp_if_not_fam15h(CAR_FAM15_errata_applied)
 
 	/* Erratum 714, RevGuide for Fam15h, Pub#48063 Rev. 3.24 */
-	movl	$MSR_BU_CFG2, %ecx
+	movl	$BU_CFG2_MSR, %ecx
 	rdmsr
 	bts	$8, %eax	/* Set bit 8 in EDX:EAX (bit 8 in EAX). */
 	wrmsr
@@ -410,7 +408,7 @@ fam10_mtrr_setup_complete:
 	post_code(0xa1)
 
 	/* Disable conversion of INVD to WBINVD (INVDWBINVD = 0) */
-	mov	$0xc0010015, %ecx
+	mov	$HWCR_MSR, %ecx
 	rdmsr
 	btr	$4, %eax
 	wrmsr
@@ -522,7 +520,7 @@ CAR_FAM10_ap:
 	 * system with no obvious clues of what went wrong.
 	 *
 	 * So, need to get the NodeID and CoreID at first.
-	 * If NB_CFG bit 54 is set just use initial APIC ID, otherwise need
+	 * If NB_CFG_MSR bit 54 is set just use initial APIC ID, otherwise need
 	 * to reverse it.
 	 */
 
@@ -539,7 +537,7 @@ CAR_FAM10_ap:
 	shrl	$24, %ebx
 
 	/* Get the nb cfg bit 54. */
-	movl	$0xc001001f, %ecx	/* NB_CFG_MSR */
+	movl	$NB_CFG_MSR, %ecx
 	rdmsr
 	movl	%edi, %ecx		/* CoreID bits */
 	bt	$(54 - 32), %edx
diff --git a/src/cpu/amd/car/disable_cache_as_ram.c b/src/cpu/amd/car/disable_cache_as_ram.c
index a079ce49b147..5eda6607751e 100644
--- a/src/cpu/amd/car/disable_cache_as_ram.c
+++ b/src/cpu/amd/car/disable_cache_as_ram.c
@@ -21,6 +21,7 @@
 
 #include <cpu/x86/cache.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 
 static __always_inline uint32_t amd_fam1x_cpu_family(void)
 {
@@ -72,9 +73,9 @@ void disable_cache_as_ram_real(uint8_t skip_sharedc_config)
 	}
 
 	/* INVDWBINVD = 1 */
-	msr = rdmsr(0xc0010015);
+	msr = rdmsr(HWCR_MSR);
 	msr.lo |= (0x1 << 4);
-	wrmsr(0xc0010015, msr);
+	wrmsr(HWCR_MSR, msr);
 
 	family = amd_fam1x_cpu_family();
 
@@ -83,15 +84,15 @@ void disable_cache_as_ram_real(uint8_t skip_sharedc_config)
 		/* Family 15h or later */
 
 		/* DisSS = 0 */
-		msr = rdmsr(0xc0011020);
+		msr = rdmsr(LS_CFG_MSR);
 		msr.lo &= ~(0x1 << 28);
-		wrmsr(0xc0011020, msr);
+		wrmsr(LS_CFG_MSR, msr);
 
 		if (!skip_sharedc_config) {
 			/* DisSpecTlbRld = 0 */
-			msr = rdmsr(0xc0011021);
+			msr = rdmsr(IC_CFG_MSR);
 			msr.lo &= ~(0x1 << 9);
-			wrmsr(0xc0011021, msr);
+			wrmsr(IC_CFG_MSR, msr);
 
 			/* Erratum 714: SpecNbReqDis = 0 */
 			msr = rdmsr(BU_CFG2_MSR);
@@ -101,10 +102,10 @@ void disable_cache_as_ram_real(uint8_t skip_sharedc_config)
 
 		/* DisSpecTlbRld = 0 */
 		/* DisHwPf = 0 */
-		msr = rdmsr(0xc0011022);
+		msr = rdmsr(DC_CFG_MSR);
 		msr.lo &= ~(0x1 << 4);
 		msr.lo &= ~(0x1 << 13);
-		wrmsr(0xc0011022, msr);
+		wrmsr(DC_CFG_MSR, msr);
 	}
 #endif
 }
diff --git a/src/cpu/amd/family_10h-family_15h/defaults.h b/src/cpu/amd/family_10h-family_15h/defaults.h
index 50b3d07a0d51..edf69f773df1 100644
--- a/src/cpu/amd/family_10h-family_15h/defaults.h
+++ b/src/cpu/amd/family_10h-family_15h/defaults.h
@@ -16,6 +16,7 @@
 
 #include <northbridge/amd/amdmct/amddefs.h>
 #include <cpu/amd/mtrr.h>
+#include <cpu/amd/msr.h>
 
 /*
  * Default MSR and errata settings.
@@ -33,7 +34,7 @@ static const struct {
 	  0x00000000, 0x00000000,
 	  0xFFFFFFFF, 0xFFFFFFFF },
 
-	{ SYSCFG, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_ALL,
+	{ SYSCFG_MSR, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_ALL,
 	  3 << 21, 0x00000000,
 	  3 << 21, 0x00000000 },	/* [MtrrTom2En]=1,[TOM2EnWB] = 1*/
 
@@ -65,92 +66,92 @@ static const struct {
 	  1 << 10, 0x00000000,
 	  1 << 10, 0x00000000 },	/* [GartTblWkEn]=1 */
 
-	{ DC_CFG, AMD_FAM10_ALL, AMD_PTYPE_SVR,
+	{ DC_CFG_MSR, AMD_FAM10_ALL, AMD_PTYPE_SVR,
 	  0x00000000, 0x00000004,
 	  0x00000000, 0x0000000C },	/* Family 10h: [REQ_CTR] = 1 for Server */
 
-	{ DC_CFG, AMD_DR_Bx, AMD_PTYPE_SVR,
+	{ DC_CFG_MSR, AMD_DR_Bx, AMD_PTYPE_SVR,
 	  0x00000000, 0x00000000,
 	  0x00000000, 0x00000C00 },	/* Erratum 326 */
 
-	{ NB_CFG, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_DC | AMD_PTYPE_MC,
+	{ NB_CFG_MSR, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_DC | AMD_PTYPE_MC,
 	  0x00000000, 1 << 22,
 	  0x00000000, 1 << 22 },	/* [ApicInitIDLo]=1 */
 
-	{ NB_CFG, AMD_FAM15_ALL, AMD_PTYPE_DC | AMD_PTYPE_MC,
+	{ NB_CFG_MSR, AMD_FAM15_ALL, AMD_PTYPE_DC | AMD_PTYPE_MC,
 	  1 << 23, 0x00000000,
 	  1 << 23, 0x00000000 },	/* Erratum 663: [bit 23]=1 */
 
-	{ BU_CFG2, AMD_DR_Bx, AMD_PTYPE_ALL,
+	{ BU_CFG2_MSR, AMD_DR_Bx, AMD_PTYPE_ALL,
 	  1 << 29, 0x00000000,
 	  1 << 29, 0x00000000 },	/* For Bx Smash1GPages=1 */
 
-	{ DC_CFG, AMD_FAM10_ALL, AMD_PTYPE_ALL,
+	{ DC_CFG_MSR, AMD_FAM10_ALL, AMD_PTYPE_ALL,
 	  1 << 24, 0x00000000,
 	  1 << 24, 0x00000000 },	/* Erratum #261 [DIS_PIGGY_BACK_SCRUB]=1 */
 
-	{ LS_CFG, AMD_DR_GT_B0, AMD_PTYPE_ALL,
+	{ LS_CFG_MSR, AMD_DR_GT_B0, AMD_PTYPE_ALL,
 	  0 << 1, 0x00000000,
 	  1 << 1, 0x00000000 },		/* IDX_MATCH_ALL=0 */
 
-	{ IC_CFG, AMD_OR_C0, AMD_PTYPE_ALL,
+	{ IC_CFG_MSR, AMD_OR_C0, AMD_PTYPE_ALL,
 	  0x00000000, 1 << (39-32),
 	  0x00000000, 1 << (39-32)},	/* C0 or above [DisLoopPredictor]=1 */
 
-	{ IC_CFG, AMD_OR_C0, AMD_PTYPE_ALL,
+	{ IC_CFG_MSR, AMD_OR_C0, AMD_PTYPE_ALL,
 	  0xf << 1, 0x00000000,
 	  0xf << 1, 0x00000000},	/* C0 or above [DisIcWayFilter]=0xf */
 
-	{ BU_CFG, AMD_DR_LT_B3, AMD_PTYPE_ALL,
+	{ BU_CFG_MSR, AMD_DR_LT_B3, AMD_PTYPE_ALL,
 	  1 << 21, 0x00000000,
-	  1 << 21, 0x00000000 },	/* Erratum #254 DR B1 BU_CFG[21]=1 */
+	  1 << 21, 0x00000000 },	/* Erratum #254 DR B1 BU_CFG_MSR[21]=1 */
 
-	{ BU_CFG, AMD_DR_LT_B3, AMD_PTYPE_ALL,
+	{ BU_CFG_MSR, AMD_DR_LT_B3, AMD_PTYPE_ALL,
 	  1 << 23, 0x00000000,
-	  1 << 23, 0x00000000 },	/* Erratum #309 BU_CFG[23]=1 */
+	  1 << 23, 0x00000000 },	/* Erratum #309 BU_CFG_MSR[23]=1 */
 
-	{ BU_CFG, AMD_FAM15_ALL, AMD_PTYPE_ALL,
+	{ BU_CFG_MSR, AMD_FAM15_ALL, AMD_PTYPE_ALL,
 	  0 << 10, 0x00000000,
 	  1 << 10, 0x00000000 },	/* [DcacheAgressivePriority]=0 */
 
 	/* CPUID_EXT_FEATURES */
-	{ CPUIDFEATURES, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_DC | AMD_PTYPE_MC,
+	{ CPU_ID_FEATURES_MSR, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_DC | AMD_PTYPE_MC,
 	  1 << 28, 0x00000000,
 	  1 << 28, 0x00000000 },	/* [HyperThreadFeatEn]=1 */
 
-	{ CPUIDFEATURES, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_DC,
+	{ CPU_ID_FEATURES_MSR, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_DC,
 	  0x00000000, 1 << (33-32),
 	  0x00000000, 1 << (33-32) },	/* [ExtendedFeatEn]=1 */
 
-	{ DE_CFG, AMD_OR_B2, AMD_PTYPE_ALL,
+	{ DE_CFG_MSR, AMD_OR_B2, AMD_PTYPE_ALL,
 	  1 << 10, 0x00000000,
 	  1 << 10, 0x00000000 },	/* Bx [ResyncPredSingleDispDis]=1 */
 
-	{ BU_CFG2, AMD_DRBH_Cx, AMD_PTYPE_ALL,
+	{ BU_CFG2_MSR, AMD_DRBH_Cx, AMD_PTYPE_ALL,
 	  0x00000000, 1 << (35-32),
 	  0x00000000, 1 << (35-32) },	/* Erratum 343 (set to 0 after CAR, in post_cache_as_ram()/model_10xxx_init() )  */
 
-	{ BU_CFG3, AMD_OR_B2, AMD_PTYPE_ALL,
+	{ BU_CFG3_MSR, AMD_OR_B2, AMD_PTYPE_ALL,
 	  0x00000000, 1 << (42-32),
 	  0x00000000, 1 << (42-32)},	/* Bx [PwcDisableWalkerSharing]=1 */
 
-	{ BU_CFG3, AMD_OR_C0, AMD_PTYPE_ALL,
+	{ BU_CFG3_MSR, AMD_OR_C0, AMD_PTYPE_ALL,
 	  1 << 22, 0x00000000,
 	  1 << 22, 0x00000000},		/* C0 or above [PfcDoubleStride]=1 */
 
-	{ EX_CFG, AMD_OR_C0, AMD_PTYPE_ALL,
+	{ EX_CFG_MSR, AMD_OR_C0, AMD_PTYPE_ALL,
 	  0x00000000, 1 << (54-32),
 	  0x00000000, 1 << (54-32)},	/* C0 or above [LateSbzResync]=1 */
 
-	{ LS_CFG2, AMD_OR_C0, AMD_PTYPE_ALL,
+	{ LS_CFG2_MSR, AMD_OR_C0, AMD_PTYPE_ALL,
 	  1 << 23, 0x00000000,
 	  1 << 23, 0x00000000},		/* C0 or above [DisScbThreshold]=1 */
 
-	{ LS_CFG2, AMD_OR_C0, AMD_PTYPE_ALL,
+	{ LS_CFG2_MSR, AMD_OR_C0, AMD_PTYPE_ALL,
 	  1 << 14, 0x00000000,
 	  1 << 14, 0x00000000},		/* C0 or above [ForceSmcCheckFlowStDis]=1 */
 
-	{ LS_CFG2, AMD_OR_C0, AMD_PTYPE_ALL,
+	{ LS_CFG2_MSR, AMD_OR_C0, AMD_PTYPE_ALL,
 	  1 << 12, 0x00000000,
 	  1 << 12, 0x00000000},		/* C0 or above [ForceBusLockDis]=1 */
 
@@ -170,19 +171,19 @@ static const struct {
 	  0x00000010, 0x00000000,
 	  0xffffffff, 0x00000000},	/* OsvwId4 = 0x1 */
 
-	{ BU_CFG2, AMD_DR_Dx, AMD_PTYPE_ALL,
+	{ BU_CFG2_MSR, AMD_DR_Dx, AMD_PTYPE_ALL,
 	  0x00000000, 1 << (50-32),
 	  0x00000000, 1 << (50-32)},	/* D0 or Above, RdMmExtCfgQwEn*/
 
-	{ BU_CFG2, AMD_FAM15_ALL, AMD_PTYPE_ALL,
+	{ BU_CFG2_MSR, AMD_FAM15_ALL, AMD_PTYPE_ALL,
 	  0x00000000, 0x0 << (36-32),
 	  0x00000000, 0x3 << (36-32)},	/* [ThrottleNbInterface]=0 */
 
-	{ BU_CFG2, AMD_FAM15_ALL, AMD_PTYPE_ALL,
+	{ BU_CFG2_MSR, AMD_FAM15_ALL, AMD_PTYPE_ALL,
 	  1 << 10, 0x00000000,
 	  1 << 10, 0x00000000},		/* [VicResyncChkEn]=1 */
 
-	{ BU_CFG2, AMD_FAM15_ALL, AMD_PTYPE_ALL,
+	{ BU_CFG2_MSR, AMD_FAM15_ALL, AMD_PTYPE_ALL,
 	  1 << 11, 0x00000000,
 	  1 << 11, 0x00000000},		/* Erratum 503: [bit 11]=1 */
 
@@ -198,7 +199,7 @@ static const struct {
 	  0x00000000, 1 << (55 - 32),
 	  0x00000000, 1 << (55 - 32)},	/* [PerfCtrExtCore]=1 */
 
-	{ IBS_OP_DATA3, AMD_FAM15_ALL, AMD_PTYPE_ALL,
+	{ IBS_OP_DATA3_MSR, AMD_FAM15_ALL, AMD_PTYPE_ALL,
 	  0 << 16, 0x00000000,
 	  1 << 16, 0x00000000},		/* [IbsDcMabHit]=0 */
 
diff --git a/src/cpu/amd/family_10h-family_15h/fidvid.c b/src/cpu/amd/family_10h-family_15h/fidvid.c
index e4bb9a3e0806..91b9ad756023 100644
--- a/src/cpu/amd/family_10h-family_15h/fidvid.c
+++ b/src/cpu/amd/family_10h-family_15h/fidvid.c
@@ -89,6 +89,7 @@ b.-  prep_fid_change(...)
 
  */
 
+#include <cpu/amd/msr.h>
 #include <inttypes.h>
 #include <northbridge/amd/amdht/AsPsDefs.h>
 
@@ -146,12 +147,12 @@ static void applyBoostFIDOffset(pci_devfn_t dev, uint32_t nodeid)
 		&&  ((cpuid_ecx(0x80000008) & NC_MASK) == 5) ) {
 		u32 core =  get_node_core_id_x().coreid;
 		u32 asymetricBoostThisCore = ((pci_read_config32(dev, 0x10C) >> (core*2))) & 3;
-		msr_t msr =  rdmsr(PS_REG_BASE);
+		msr_t msr =  rdmsr(PSTATE_0_MSR);
 		u32 cpuFid = msr.lo & PS_CPU_FID_MASK;
 		cpuFid = cpuFid + asymetricBoostThisCore;
 		msr.lo &=   ~PS_CPU_FID_MASK;
 		msr.lo |= cpuFid;
-		wrmsr(PS_REG_BASE , msr);
+		wrmsr(PSTATE_0_MSR, msr);
 	} else if (is_fam15h()) {
 		uint32_t dword = pci_read_config32(NODE_PCI(nodeid, 4), 0x15c);
 		uint8_t boost_count = (dword >> 2) & 0x7;
@@ -173,12 +174,12 @@ static void enableNbPState1(pci_devfn_t dev)
 			u32 nbVid1 = (pci_read_config32(dev, 0x1F4) & NB_VID1_MASK) >> NB_VID1_SHIFT;
 			u32 i;
 			for (i = nbPState; i < NM_PS_REG; i++) {
-				msr_t msr =  rdmsr(PS_REG_BASE + i);
+				msr_t msr =  rdmsr(PSTATE_0_MSR + i);
 				if (msr.hi &  PS_EN_MASK ) {
 				msr.hi |= NB_DID_M_ON;
 				msr.lo &= NB_VID_MASK_OFF;
 				msr.lo |= ( nbVid1 << NB_VID_POS);
-				wrmsr(PS_REG_BASE + i, msr);
+				wrmsr(PSTATE_0_MSR + i, msr);
 				}
 			}
 		}
@@ -189,10 +190,10 @@ static u8 setPStateMaxVal(pci_devfn_t dev)
 {
 	u8 i, maxpstate=0;
 	for (i = 0; i < NM_PS_REG; i++) {
-		msr_t msr = rdmsr(PS_REG_BASE + i);
+		msr_t msr = rdmsr(PSTATE_0_MSR + i);
 		if (msr.hi & PS_IDD_VALUE_MASK) {
 			msr.hi |= PS_EN_MASK;
-			wrmsr(PS_REG_BASE + i, msr);
+			wrmsr(PSTATE_0_MSR + i, msr);
 		}
 		if (msr.hi & PS_EN_MASK) {
 			maxpstate = i;
@@ -215,16 +216,16 @@ static void dualPlaneOnly(pci_devfn_t dev)
 		&& (cpuRev & (AMD_DR_Cx | AMD_DR_Ex))) {
 		if ((pci_read_config32(dev, 0x1FC) & DUAL_PLANE_ONLY_MASK)
 			&& (pci_read_config32(dev, 0xA0) & PVI_MODE)) {
-			if (cpuid_edx(0x80000007) & CPB_MASK) {
+			if (cpuid_edx(CPUID_EXT_PM) & CPB_MASK) {
 				// revision E only, but E is apparently not supported yet, therefore untested
-				msr_t minPstate = rdmsr(0xC0010065);
-				wrmsr(0xC0010065, rdmsr(0xC0010068));
-				wrmsr(0xC0010068, minPstate);
+				msr_t minPstate = rdmsr(PSTATE_1_MSR);
+				wrmsr(PSTATE_1_MSR, rdmsr(PSTATE_4_MSR));
+				wrmsr(PSTATE_4_MSR, minPstate);
 			} else {
 				msr_t msr;
 				msr.lo=0; msr.hi=0;
-				wrmsr(0xC0010064, rdmsr(0xC0010068) );
-				wrmsr(0xC0010068, msr);
+				wrmsr(PSTATE_0_MSR, rdmsr(PSTATE_4_MSR));
+				wrmsr(PSTATE_4_MSR, msr);
 			}
 
 			//FIXME: CPTC2 and HTC_REG should get max per node, not per core ?
@@ -307,7 +308,7 @@ static void recalculateVsSlamTimeSettingOnCorePre(pci_devfn_t dev)
 	   prep_fid_change, one might use F4x1[F0:E0] instead, but
 	   theoretically MSRC001_00[68:64] are equal to them after
 	   reset. */
-	msr = rdmsr(0xC0010064);
+	msr = rdmsr(PSTATE_0_MSR);
 	highVoltageVid = (u8) ((msr.lo >> PS_CPU_VID_SHFT) & 0x7F);
 	if (!(msr.hi & 0x80000000)) {
 	    printk(BIOS_ERR,"P-state info in MSRC001_0064 is invalid !!!\n");
@@ -325,15 +326,16 @@ static void recalculateVsSlamTimeSettingOnCorePre(pci_devfn_t dev)
 	}
 
 	/* Get PSmax's index */
-	msr = rdmsr(0xC0010061);
+	msr = rdmsr(PS_LIM_REG);
 	bValue = (u8) ((msr.lo >> PS_MAX_VAL_SHFT) & BIT_MASK_3);
 
 	/* Get PSmax's VID */
-	msr = rdmsr(0xC0010064 + bValue);
+	msr = rdmsr(PSTATE_0_MSR + bValue);
 	lowVoltageVid = (u8) ((msr.lo >> PS_CPU_VID_SHFT) & 0x7F);
 	if (!(msr.hi & 0x80000000)) {
-	    printk(BIOS_ERR,"P-state info in MSR%8x is invalid !!!\n",0xC0010064 + bValue);
-	    lowVoltageVid = (u8) ((pci_read_config32(dev, 0x1E0+(bValue*4))
+		printk(BIOS_ERR, "P-state info in MSR%8x is invalid !!!\n",
+			PSTATE_0_MSR + bValue);
+		lowVoltageVid = (u8) ((pci_read_config32(dev, 0x1E0+(bValue*4))
 				     >> PS_CPU_VID_SHFT) & 0x7F);
 	}
 
@@ -644,7 +646,7 @@ void prep_fid_change(void)
 
 static void waitCurrentPstate(u32 target_pstate) {
 	msr_t initial_msr = rdmsr(TSC_MSR);
-	msr_t pstate_msr = rdmsr(CUR_PSTATE_MSR);
+	msr_t pstate_msr = rdmsr(PS_STS_REG);
 	msr_t tsc_msr;
 	u8 timedout;
 
@@ -655,7 +657,7 @@ static void waitCurrentPstate(u32 target_pstate) {
 	* misunderstand this...
 	*/
 	u32 corrected_timeout = ((pstate_msr.lo==1)
-				&& (!(rdmsr(0xC0010065).lo & NB_DID_M_ON)) ) ?
+				&& (!(rdmsr(PSTATE_1_MSR).lo & NB_DID_M_ON))) ?
 				WAIT_PSTATE_TIMEOUT*2 : WAIT_PSTATE_TIMEOUT;
 	msr_t timeout;
 
@@ -667,19 +669,19 @@ static void waitCurrentPstate(u32 target_pstate) {
 
 	// assuming TSC ticks at 1.25 ns per tick (800 MHz)
 	do {
-		pstate_msr = rdmsr(CUR_PSTATE_MSR);
+		pstate_msr = rdmsr(PS_STS_REG);
 		tsc_msr = rdmsr(TSC_MSR);
 		timedout = (tsc_msr.hi > timeout.hi)
 			|| ((tsc_msr.hi == timeout.hi) && (tsc_msr.lo > timeout.lo ));
 	} while ( (pstate_msr.lo != target_pstate) && (! timedout) );
 
 	if (pstate_msr.lo != target_pstate) {
-		msr_t limit_msr = rdmsr(0xc0010061);
+		msr_t limit_msr = rdmsr(PS_LIM_REG);
 		printk(BIOS_ERR, "*** APIC ID %02x: timed out waiting for P-state %01x. Current P-state %01x P-state current limit MSRC001_0061=%08x %08x\n",
 			cpuid_ebx(0x00000001) >> 24, target_pstate, pstate_msr.lo, limit_msr.hi, limit_msr.lo);
 
 		do { // should we just go on instead ?
-			pstate_msr = rdmsr(CUR_PSTATE_MSR);
+			pstate_msr = rdmsr(PS_STS_REG);
 		} while ( pstate_msr.lo != target_pstate  );
 	}
 }
@@ -689,10 +691,10 @@ static void set_pstate(u32 nonBoostedPState) {
 	uint8_t skip_wait;
 
 	// Transition P0 for calling core.
-	msr = rdmsr(0xC0010062);
+	msr = rdmsr(PS_CTL_REG);
 
 	msr.lo = nonBoostedPState;
-	wrmsr(0xC0010062, msr);
+	wrmsr(PS_CTL_REG, msr);
 
 	if (is_fam15h()) {
 		/* Do not wait for the first (even) set of cores to transition on Family 15h systems */
@@ -718,7 +720,7 @@ static void UpdateSinglePlaneNbVid(void)
 
 	/* copy higher voltage (lower VID) of NBVID & CPUVID to both */
 	for (i = 0; i < 5; i++) {
-		msr = rdmsr(PS_REG_BASE + i);
+		msr = rdmsr(PSTATE_0_MSR + i);
 		nbVid = (msr.lo & PS_CPU_VID_M_ON) >> PS_CPU_VID_SHFT;
 		cpuVid = (msr.lo & PS_NB_VID_M_ON) >> PS_NB_VID_SHFT;
 
@@ -729,7 +731,7 @@ static void UpdateSinglePlaneNbVid(void)
 			msr.lo = msr.lo & PS_BOTH_VID_OFF;
 			msr.lo = msr.lo | (u32) ((nbVid) << PS_NB_VID_SHFT);
 			msr.lo = msr.lo | (u32) ((nbVid) << PS_CPU_VID_SHFT);
-			wrmsr(PS_REG_BASE + i, msr);
+			wrmsr(PSTATE_0_MSR + i, msr);
 		}
 	}
 }
@@ -751,16 +753,16 @@ static void fixPsNbVidBeforeWR(u32 newNbVid, u32 coreid, u32 dev, u8 pviMode)
 	 *			      for SVI and Single-Plane PVI Systems
 	 */
 
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	startup_pstate = (msr.hi >> (32 - 32)) & 0x07;
 
 	/* Copy startup pstate to P1 and P0 MSRs. Set the maxvid for
 	 * this node in P0.  Then transition to P1 for corex and P0
 	 * for core0.  These setting will be cleared by the warm reset
 	 */
-	msr = rdmsr(0xC0010064 + startup_pstate);
-	wrmsr(0xC0010065, msr);
-	wrmsr(0xC0010064, msr);
+	msr = rdmsr(PSTATE_0_MSR + startup_pstate);
+	wrmsr(PSTATE_1_MSR, msr);
+	wrmsr(PSTATE_0_MSR, msr);
 
 	/* missing step 2 from BDKG , F3xDC[PstateMaxVal] =
 	 * max(1,F3xDC[PstateMaxVal] ) because it would take
@@ -773,7 +775,7 @@ static void fixPsNbVidBeforeWR(u32 newNbVid, u32 coreid, u32 dev, u8 pviMode)
 
 	msr.lo &= ~0xFE000000;	// clear nbvid
 	msr.lo |= (newNbVid << 25);
-	wrmsr(0xC0010064, msr);
+	wrmsr(PSTATE_0_MSR, msr);
 
 	if (pviMode) { /* single plane*/
 	  UpdateSinglePlaneNbVid();
@@ -944,14 +946,14 @@ static void fixPsNbVidAfterWR(u32 newNbVid, u8 NbVidUpdatedAll,u8 pviMode)
 
 	/* write newNbVid to P-state Reg's NbVid if its NbDid=0 */
 	for (i = 0; i < 5; i++) {
-		msr = rdmsr(0xC0010064 + i);
+		msr = rdmsr(PSTATE_0_MSR + i);
 		/*  NbDid (bit 22 of P-state Reg) == 0  or NbVidUpdatedAll = 1 */
 		if (   (msr.hi & PS_IDD_VALUE_MASK)
 		    && (msr.hi & PS_EN_MASK)
 		    &&(((msr.lo & PS_NB_DID_MASK) == 0) || NbVidUpdatedAll)) {
 			msr.lo &= PS_NB_VID_M_OFF;
 			msr.lo |= (newNbVid & 0x7F) << PS_NB_VID_SHFT;
-			wrmsr(0xC0010064 + i, msr);
+			wrmsr(PSTATE_0_MSR + i, msr);
 		}
 	}
 
@@ -962,7 +964,7 @@ static void fixPsNbVidAfterWR(u32 newNbVid, u8 NbVidUpdatedAll,u8 pviMode)
 	    UpdateSinglePlaneNbVid();
 	}
 	/* For each core in the system, transition all cores to StartupPstate */
-	msr = rdmsr(0xC0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	StartupPstate = msr.hi & 0x07;
 
 	/* Set and wait for StartupPstate to set. */
@@ -1027,9 +1029,9 @@ void init_fidvid_stage2(u32 apicid, u32 nodeid)
 
 	if (!is_fam15h()) {
 		/* Set TSC to tick at the P0 ndfid rate */
-		msr = rdmsr(HWCR);
+		msr = rdmsr(HWCR_MSR);
 		msr.lo |= 1 << 24;
-		wrmsr(HWCR, msr);
+		wrmsr(HWCR_MSR, msr);
 	}
 }
 
diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c
index 51cf5104b42f..1247e6028339 100644
--- a/src/cpu/amd/family_10h-family_15h/init_cpus.c
+++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c
@@ -14,6 +14,7 @@
  * GNU General Public License for more details.
  */
 
+#include <cpu/amd/msr.h>
 #include "init_cpus.h"
 
 #if IS_ENABLED(CONFIG_HAVE_OPTION_TABLE)
@@ -39,7 +40,7 @@
 #if IS_ENABLED(CONFIG_PCI_IO_CFG_EXT)
 static void set_EnableCf8ExtCfg(void)
 {
-	// set the NB_CFG[46]=1;
+	// set the NB_CFG_MSR[46]=1;
 	msr_t msr;
 	msr = rdmsr(NB_CFG_MSR);
 	// EnableCf8ExtCfg: We need that to access CONFIG_PCI_IO_CFG_EXT 4K range
@@ -332,9 +333,9 @@ static void STOP_CAR_AND_CPU(uint8_t skip_sharedc_config, uint32_t apicid)
 		/* Family 10h or earlier */
 
 		/* Disable L2 IC to L3 connection (Only for CAR) */
-		msr = rdmsr(BU_CFG2);
+		msr = rdmsr(BU_CFG2_MSR);
 		msr.lo &= ~(1 << ClLinesToNbDis);
-		wrmsr(BU_CFG2, msr);
+		wrmsr(BU_CFG2_MSR, msr);
 	} else {
 		/* Family 15h or later
 		 * DRAM setup is delayed on Fam15 in order to prevent
@@ -739,13 +740,13 @@ static void AMD_Errata298(void)
 	}
 
 	if (affectedRev) {
-		msr = rdmsr(HWCR);
+		msr = rdmsr(HWCR_MSR);
 		msr.lo |= 0x08;	/* Set TlbCacheDis bit[3] */
-		wrmsr(HWCR, msr);
+		wrmsr(HWCR_MSR, msr);
 
-		msr = rdmsr(BU_CFG);
+		msr = rdmsr(BU_CFG_MSR);
 		msr.lo |= 0x02;	/* Set TlbForceMemTypeUc bit[1] */
-		wrmsr(BU_CFG, msr);
+		wrmsr(BU_CFG_MSR, msr);
 
 		msr = rdmsr(OSVW_ID_Length);
 		msr.lo |= 0x01;	/* OS Visible Workaround - MSR */
@@ -805,7 +806,7 @@ static void AMD_SetupPSIVID_d(u32 platform_type, u8 node)
 		 */
 
 		for (i = 4; i >= 0; i--) {
-			msr = rdmsr(PS_REG_BASE + i);
+			msr = rdmsr(PSTATE_0_MSR + i);
 			/*  Pstate valid? */
 			if (msr.hi & PS_EN_MASK) {
 				dword = pci_read_config32(NODE_PCI(i, 3), 0xA0);
@@ -1010,7 +1011,7 @@ void cpuSetAMDMSR(uint8_t node_id)
 			enable_experimental_memory_speed_boost = !!nvram;
 
 		uint32_t f3x1fc = pci_read_config32(NODE_PCI(node_id, 3), 0x1fc);
-		msr = rdmsr(FP_CFG);
+		msr = rdmsr(FP_CFG_MSR);
 		msr.hi &= ~(0x7 << (42-32));			/* DiDtCfg4 */
 		msr.hi |= (((f3x1fc >> 17) & 0x7) << (42-32));
 		msr.hi &= ~(0x1 << (41-32));			/* DiDtCfg5 */
@@ -1027,19 +1028,19 @@ void cpuSetAMDMSR(uint8_t node_id)
 		msr.lo |= (((f3x1fc >> 1) & 0x1f) << 18);
 		msr.lo &= ~(0x1 << 16);				/* DiDtMode */
 		msr.lo |= ((f3x1fc & 0x1) << 16);
-		wrmsr(FP_CFG, msr);
+		wrmsr(FP_CFG_MSR, msr);
 
 		if (enable_experimental_memory_speed_boost) {
-			msr = rdmsr(BU_CFG3);
+			msr = rdmsr(BU_CFG3_MSR);
 			msr.lo |= (0x3 << 20);			/* PfcStrideMul = 0x3 */
-			wrmsr(BU_CFG3, msr);
+			wrmsr(BU_CFG3_MSR, msr);
 		}
 	}
 
 #if IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_SB700) || IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_SB800)
 	if (revision & (AMD_DR_GT_D0 | AMD_FAM15_ALL)) {
 		/* Set up message triggered C1E */
-		msr = rdmsr(0xc0010055);
+		msr = rdmsr(MSR_INTPEND);
 		msr.lo &= ~0xffff;		/* IOMsgAddr = ACPI_PM_EVT_BLK */
 		msr.lo |= ACPI_PM_EVT_BLK & 0xffff;
 		msr.lo |= (0x1 << 29);		/* BmStsClrOnHltEn = 1 */
@@ -1047,11 +1048,11 @@ void cpuSetAMDMSR(uint8_t node_id)
 			msr.lo &= ~(0x1 << 28);	/* C1eOnCmpHalt = 0 */
 			msr.lo &= ~(0x1 << 27);	/* SmiOnCmpHalt = 0 */
 		}
-		wrmsr(0xc0010055, msr);
+		wrmsr(MSR_INTPEND, msr);
 
-		msr = rdmsr(0xc0010015);
+		msr = rdmsr(HWCR_MSR);
 		msr.lo |= (0x1 << 12);		/* HltXSpCycEn = 1 */
-		wrmsr(0xc0010015, msr);
+		wrmsr(HWCR_MSR, msr);
 	}
 
 	if (revision & (AMD_DR_Ex | AMD_FAM15_ALL)) {
@@ -1063,9 +1064,9 @@ void cpuSetAMDMSR(uint8_t node_id)
 		if (enable_c_states) {
 			/* Set up the C-state base address */
 			msr_t c_state_addr_msr;
-			c_state_addr_msr = rdmsr(0xc0010073);
+			c_state_addr_msr = rdmsr(MSR_CSTATE_ADDRESS);
 			c_state_addr_msr.lo = ACPI_CPU_P_LVL2;	/* CstateAddr = ACPI_CPU_P_LVL2 */
-			wrmsr(0xc0010073, c_state_addr_msr);
+			wrmsr(MSR_CSTATE_ADDRESS, c_state_addr_msr);
 		}
 	}
 #else
@@ -1079,9 +1080,9 @@ void cpuSetAMDMSR(uint8_t node_id)
 
 		if (!enable_cpb) {
 			/* Disable Core Performance Boost */
-			msr = rdmsr(0xc0010015);
+			msr = rdmsr(HWCR_MSR);
 			msr.lo |= (0x1 << 25);		/* CpbDis = 1 */
-			wrmsr(0xc0010015, msr);
+			wrmsr(HWCR_MSR, msr);
 		}
 	}
 
@@ -1826,12 +1827,12 @@ static void cpuInitializeMCA(void)
 	u8 i;
 
 	if (cpuid_edx(1) & 0x4080) {	/* MCE and MCA (edx[7] and edx[14]) */
-		msr = rdmsr(MCG_CAP);
+		msr = rdmsr(IA32_MCG_CAP);
 		if (msr.lo & MCG_CTL_P) {	/* MCG_CTL_P bit is set? */
 			msr.lo &= 0xFF;
 			msr.lo--;
 			msr.lo <<= 2;	/* multiply the count by 4 */
-			reg = MC0_STA + msr.lo;
+			reg = IA32_MC0_STATUS + msr.lo;
 			msr.lo = msr.hi = 0;
 			for (i = 0; i < 4; i++) {
 				wrmsr(reg, msr);
diff --git a/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c b/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c
index 50406744bbdd..237450328760 100644
--- a/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c
+++ b/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c
@@ -16,6 +16,8 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -28,11 +30,7 @@
 #include <cpu/amd/model_10xxx_rev.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
 #include <cpu/amd/multicore.h>
-#include <cpu/amd/msr.h>
-
-#define MC0_STATUS 0x401
 
 static inline uint8_t is_gt_rev_d(void)
 {
@@ -110,12 +108,12 @@ static void model_10xxx_init(struct device *dev)
 	disable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	enable_cache();
 
diff --git a/src/cpu/amd/family_10h-family_15h/monotonic_timer.c b/src/cpu/amd/family_10h-family_15h/monotonic_timer.c
index 6bf046dedc1b..b1886eaca3f0 100644
--- a/src/cpu/amd/family_10h-family_15h/monotonic_timer.c
+++ b/src/cpu/amd/family_10h-family_15h/monotonic_timer.c
@@ -16,12 +16,11 @@
 #include <stdint.h>
 #include <arch/cpu.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <timer.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-
 #include <northbridge/amd/amdht/AsPsDefs.h>
-#include <cpu/amd/msr.h>
 
 static struct monotonic_counter {
 	int initialized;
@@ -62,7 +61,7 @@ static void init_timer(void)
 	wrmsr(HWCR_MSR, msr);
 
 	/* Get core Pstate 0 frequency in MHz */
-	msr = rdmsr(0xC0010064 + boost_capable);
+	msr = rdmsr(PSTATE_0_MSR + boost_capable);
 	cpufid = (msr.lo & 0x3f);
 	cpudid = (msr.lo & 0x1c0) >> 6;
 	mono_counter.core_frequency = (100 * (cpufid + 0x10)) / (0x01 << cpudid);
diff --git a/src/cpu/amd/family_10h-family_15h/powernow_acpi.c b/src/cpu/amd/family_10h-family_15h/powernow_acpi.c
index 35f79520222d..61da88cc49fc 100644
--- a/src/cpu/amd/family_10h-family_15h/powernow_acpi.c
+++ b/src/cpu/amd/family_10h-family_15h/powernow_acpi.c
@@ -19,6 +19,7 @@
 #include <stdint.h>
 #include <option.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <arch/acpigen.h>
 #include <cpu/amd/powernow.h>
 #include <device/pci.h>
@@ -111,7 +112,7 @@ static void write_cstates_for_core(int coreID)
 		cstate.resource.space_id = ACPI_ADDRESS_SPACE_IO;
 		cstate.resource.bit_width = 8;
 		cstate.resource.bit_offset = 0;
-		cstate.resource.addrl = rdmsr(0xc0010073).lo + 1;
+		cstate.resource.addrl = rdmsr(MSR_CSTATE_ADDRESS).lo + 1;
 		cstate.resource.addrh = 0;
 		cstate.resource.resv = 1;
 	} else {
@@ -121,7 +122,7 @@ static void write_cstates_for_core(int coreID)
 		cstate.resource.space_id = ACPI_ADDRESS_SPACE_IO;
 		cstate.resource.bit_width = 8;
 		cstate.resource.bit_offset = 0;
-		cstate.resource.addrl = rdmsr(0xc0010073).lo;
+		cstate.resource.addrl = rdmsr(MSR_CSTATE_ADDRESS).lo;
 		cstate.resource.addrh = 0;
 		cstate.resource.resv = 1;
 	}
@@ -268,7 +269,8 @@ void amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP)
 
 	if (fam15h)
 		/* Set P_LVL2 P_BLK entry */
-		*(((uint8_t *)pcontrol_blk) + 0x04) = (rdmsr(0xc0010073).lo + 1) & 0xff;
+		*(((uint8_t *)pcontrol_blk) + 0x04) =
+			(rdmsr(MSR_CSTATE_ADDRESS).lo + 1) & 0xff;
 
 	uint8_t pviModeFlag;
 	uint8_t Pstate_max;
@@ -296,15 +298,15 @@ void amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP)
 		pviModeFlag = 0;
 
 	/* Get PSmax's index */
-	msr = rdmsr(0xC0010061);
+	msr = rdmsr(PS_LIM_REG);
 	Pstate_max = (uint8_t) ((msr.lo >> PS_MAX_VAL_SHFT) & ((fam15h)?BIT_MASK_7:BIT_MASK_3));
 
 	/* Determine if all enabled Pstates have the same fidvid */
 	uint8_t i;
-	uint8_t cpufid_prev = (rdmsr(0xC0010064).lo & 0x3f);
+	uint8_t cpufid_prev = (rdmsr(PSTATE_0_MSR).lo & 0x3f);
 	uint8_t all_enabled_cores_have_same_cpufid = 1;
 	for (i = 1; i < Pstate_max; i++) {
-		cpufid = rdmsr(0xC0010064 + i).lo & 0x3f;
+		cpufid = rdmsr(PSTATE_0_MSR + i).lo & 0x3f;
 		if (cpufid != cpufid_prev) {
 			all_enabled_cores_have_same_cpufid = 0;
 			break;
@@ -318,7 +320,7 @@ void amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP)
 	/* Populate tables with all Pstate information */
 	for (Pstate_num = 0; Pstate_num < Pstate_max; Pstate_num++) {
 		/* Get power state information */
-		msr = rdmsr(0xC0010064 + Pstate_num + boost_count);
+		msr = rdmsr(PSTATE_0_MSR + Pstate_num + boost_count);
 		cpufid = (msr.lo & 0x3f);
 		cpudid = (msr.lo & 0x1c0) >> 6;
 		cpuvid = (msr.lo & 0xfe00) >> 9;
diff --git a/src/cpu/amd/family_10h-family_15h/tsc_freq.c b/src/cpu/amd/family_10h-family_15h/tsc_freq.c
index 4aea1a02c960..63b4ac0e8ada 100644
--- a/src/cpu/amd/family_10h-family_15h/tsc_freq.c
+++ b/src/cpu/amd/family_10h-family_15h/tsc_freq.c
@@ -15,6 +15,7 @@
 
 #include <stdint.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/x86/tsc.h>
 
 unsigned long tsc_freq_mhz(void)
@@ -29,7 +30,7 @@ unsigned long tsc_freq_mhz(void)
 	 * to MHz.  See also the Family 15h BKDG
 	 * Rev. 3.14 page 569.
 	 */
-	msr = rdmsr(0xc0010064);
+	msr = rdmsr(PSTATE_0_MSR);
 	cpufid = (msr.lo & 0x3f);
 	cpudid = (msr.lo & 0x1c0) >> 6;
 
diff --git a/src/cpu/amd/pi/00630F01/fixme.c b/src/cpu/amd/pi/00630F01/fixme.c
index 91450338aac3..4feb1881cdbe 100644
--- a/src/cpu/amd/pi/00630F01/fixme.c
+++ b/src/cpu/amd/pi/00630F01/fixme.c
@@ -14,8 +14,8 @@
  */
 
 #include <cpu/x86/mtrr.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
-
 #include <Porting.h>
 #include <AGESA.h>
 #include <amdlib.h>
@@ -79,7 +79,7 @@ void amd_initmmio(void)
 	 */
 	MsrReg = CONFIG_MMCONF_BASE_ADDRESS |
 		(LibAmdBitScanReverse(CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
-	LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(MMIO_CONF_BASE, &MsrReg, &StdHeader);
 
 	/* Set ROM cache onto WP to decrease post time */
 	MsrReg = (0x0100000000ull - CACHE_ROM_SIZE) | 5ull;
diff --git a/src/cpu/amd/pi/00630F01/model_15_init.c b/src/cpu/amd/pi/00630F01/model_15_init.c
index 0269a1e26071..503d5314ff23 100644
--- a/src/cpu/amd/pi/00630F01/model_15_init.c
+++ b/src/cpu/amd/pi/00630F01/model_15_init.c
@@ -15,8 +15,10 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
-#include <cpu/x86/smm.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
+#include <cpu/x86/smm.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <string.h>
@@ -25,8 +27,6 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/amd/amdfam15.h>
 #include <arch/acpi.h>
 
 static void model_15_init(struct device *dev)
@@ -70,12 +70,12 @@ static void model_15_init(struct device *dev)
 	x86_enable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	/* Enable the local CPU APICs */
 	setup_lapic();
@@ -105,14 +105,14 @@ static void model_15_init(struct device *dev)
 		printk(BIOS_INFO, "Initializing SMM for CPU %u\n", cpu_idx);
 
 		/* Set SMM base address for this CPU */
-		msr = rdmsr(MSR_SMM_BASE);
+		msr = rdmsr(SMM_BASE_MSR);
 		msr.lo = SMM_BASE - (cpu_idx * 0x400);
-		wrmsr(MSR_SMM_BASE, msr);
+		wrmsr(SMM_BASE_MSR, msr);
 
 		/* Enable the SMM memory window */
-		msr = rdmsr(MSR_SMM_MASK);
+		msr = rdmsr(SMM_MASK_MSR);
 		msr.lo |= (1 << 0); /* Enable ASEG SMRAM Range */
-		wrmsr(MSR_SMM_MASK, msr);
+		wrmsr(SMM_MASK_MSR, msr);
 	}
 
 	/* Write protect SMM space with SMMLOCK. */
diff --git a/src/cpu/amd/pi/00630F01/udelay.c b/src/cpu/amd/pi/00630F01/udelay.c
index 5b08bedb1e90..2cb53e9c20fd 100644
--- a/src/cpu/amd/pi/00630F01/udelay.c
+++ b/src/cpu/amd/pi/00630F01/udelay.c
@@ -21,6 +21,7 @@
  */
 
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/x86/tsc.h>
 #include <delay.h>
 #include <stdint.h>
@@ -36,11 +37,11 @@ void udelay(uint32_t us)
 	tsc_start = rdtscll();
 
 	/* Get the P-state. This determines which MSR to read */
-	msr = rdmsr(0xc0010063);
+	msr = rdmsr(PS_STS_REG);
 	pstate_idx = msr.lo & 0x07;
 
 	/* Get FID and VID for current P-State */
-	msr = rdmsr(0xc0010064 + pstate_idx);
+	msr = rdmsr(PSTATE_0_MSR + pstate_idx);
 
 	/* Extract the FID and VID values */
 	fid = msr.lo & 0x3f;
diff --git a/src/cpu/amd/pi/00660F01/fixme.c b/src/cpu/amd/pi/00660F01/fixme.c
index a4c574ced7e1..0bad4679ce66 100644
--- a/src/cpu/amd/pi/00660F01/fixme.c
+++ b/src/cpu/amd/pi/00660F01/fixme.c
@@ -14,8 +14,8 @@
  */
 
 #include <cpu/x86/mtrr.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
-
 #include <Porting.h>
 #include <AGESA.h>
 #include <amdlib.h>
@@ -80,7 +80,7 @@ void amd_initmmio(void)
 	 */
 	MsrReg = CONFIG_MMCONF_BASE_ADDRESS |
 		(LibAmdBitScanReverse(CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
-	LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(MMIO_CONF_BASE, &MsrReg, &StdHeader);
 
 	/* For serial port */
 	PciData = 0xFF03FFD5;
diff --git a/src/cpu/amd/pi/00660F01/model_15_init.c b/src/cpu/amd/pi/00660F01/model_15_init.c
index 424a6c06ffb6..3f3a1fda44fa 100644
--- a/src/cpu/amd/pi/00660F01/model_15_init.c
+++ b/src/cpu/amd/pi/00660F01/model_15_init.c
@@ -15,6 +15,8 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -24,8 +26,6 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/amd/amdfam15.h>
 #include <arch/acpi.h>
 
 #include <amdlib.h>
@@ -82,12 +82,12 @@ static void model_15_init(struct device *dev)
 	x86_enable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	/* Enable the local CPU APICs */
 	setup_lapic();
diff --git a/src/cpu/amd/pi/00730F01/fixme.c b/src/cpu/amd/pi/00730F01/fixme.c
index f6334a8a7856..9f4c5289bb87 100644
--- a/src/cpu/amd/pi/00730F01/fixme.c
+++ b/src/cpu/amd/pi/00730F01/fixme.c
@@ -14,8 +14,8 @@
  */
 
 #include <cpu/x86/mtrr.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
-
 #include <Porting.h>
 #include <AGESA.h>
 #include <amdlib.h>
@@ -80,7 +80,7 @@ void amd_initmmio(void)
 	 */
 	MsrReg = CONFIG_MMCONF_BASE_ADDRESS |
 		(LibAmdBitScanReverse(CONFIG_MMCONF_BUS_NUMBER) << 2) | 1;
-	LibAmdMsrWrite(0xC0010058, &MsrReg, &StdHeader);
+	LibAmdMsrWrite(MMIO_CONF_BASE, &MsrReg, &StdHeader);
 
 	/* For serial port */
 	PciData = 0xFF03FFD5;
diff --git a/src/cpu/amd/pi/00730F01/model_16_init.c b/src/cpu/amd/pi/00730F01/model_16_init.c
index 1f2c30fd03c9..f5121d1a4f34 100644
--- a/src/cpu/amd/pi/00730F01/model_16_init.c
+++ b/src/cpu/amd/pi/00730F01/model_16_init.c
@@ -15,6 +15,8 @@
 
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
+#include <cpu/x86/mtrr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -24,8 +26,6 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/cache.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/amd/amdfam16.h>
 #include <arch/acpi.h>
 
 static void model_16_init(struct device *dev)
@@ -67,12 +67,12 @@ static void model_16_init(struct device *dev)
 	x86_enable_cache();
 
 	/* zero the machine check error status registers */
-	msr = rdmsr(MCG_CAP);
+	msr = rdmsr(IA32_MCG_CAP);
 	num_banks = msr.lo & MCA_BANKS_MASK;
 	msr.lo = 0;
 	msr.hi = 0;
 	for (i = 0; i < num_banks; i++)
-		wrmsr(MC0_STATUS + (i * 4), msr);
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
 
 	/* Enable the local CPU APICs */
 	setup_lapic();
diff --git a/src/include/cpu/amd/amdfam12.h b/src/include/cpu/amd/amdfam12.h
deleted file mode 100644
index 3838ce1b84ea..000000000000
--- a/src/include/cpu/amd/amdfam12.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 Advanced Micro Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef CPU_AMD_FAM12_H
-#define CPU_AMD_FAM12_H
-
-#define HWCR_MSR			0xC0010015
-#define NB_CFG_MSR			0xC001001f
-#define LS_CFG_MSR			0xC0011020
-#define IC_CFG_MSR			0xC0011021
-#define DC_CFG_MSR			0xC0011022
-#define BU_CFG_MSR			0xC0011023
-#define BU_CFG2_MSR			0xC001102A
-
-#define CPU_ID_FEATURES_MSR		0xC0011004
-#define CPU_ID_EXT_FEATURES_MSR		0xC0011005
-
-#endif /* CPU_AMD_FAM12_H */
diff --git a/src/include/cpu/amd/amdfam14.h b/src/include/cpu/amd/amdfam14.h
deleted file mode 100644
index ec5d34b9e9ed..000000000000
--- a/src/include/cpu/amd/amdfam14.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 Advanced Micro Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef CPU_AMD_FAM14_H
-#define CPU_AMD_FAM14_H
-
-#define HWCR_MSR			0xC0010015
-#define NB_CFG_MSR			0xC001001f
-#define LS_CFG_MSR			0xC0011020
-#define IC_CFG_MSR			0xC0011021
-#define DC_CFG_MSR			0xC0011022
-#define BU_CFG_MSR			0xC0011023
-#define BU_CFG2_MSR			0xC001102A
-
-#define CPU_ID_FEATURES_MSR		0xC0011004
-#define CPU_ID_EXT_FEATURES_MSR		0xC0011005
-
-#endif /* CPU_AMD_FAM14_H */
diff --git a/src/include/cpu/amd/amdfam15.h b/src/include/cpu/amd/amdfam15.h
index 271af8aef5e3..18feaffa45bd 100644
--- a/src/include/cpu/amd/amdfam15.h
+++ b/src/include/cpu/amd/amdfam15.h
@@ -19,9 +19,6 @@
 #include <types.h>
 #include <cpu/x86/msr.h>
 
-#define MCG_CAP				0x00000179
-# define MCA_BANKS_MASK			0xff
-#define MC0_CTL				0x00000400
 #define MC0_STATUS			0x00000401
 # define MCA_STATUS_HI_VAL		BIT(63 - 32)
 # define MCA_STATUS_HI_OVERFLOW		BIT(62 - 32)
@@ -189,30 +186,4 @@ static inline enum mca_err_code_types mca_err_type(msr_t reg)
 	return MCA_ERRTYPE_UNKNOWN;
 }
 
-#define MSR_SMM_BASE			0xC0010111
-#define MSR_TSEG_BASE			0xC0010112
-#define MSR_SMM_MASK			0xC0010113
-# define SMM_TSEG_VALID			(1 << 1)
-# define SMM_TSEG_WB			(6 << 12)
-#define HWCR_MSR			0xC0010015
-# define SMM_LOCK			(1 << 0)
-#define NB_CFG_MSR			0xC001001f
-
-#define MMIO_CONF_BASE			0xC0010058
-# define MMIO_BUS_RANGE_SHIFT		2
-# define MMIO_RANGE_EN			(1 << 0)
-
-#define PSTATE_0_MSR			0xC0010064
-
-#define LS_CFG_MSR			0xC0011020
-#define IC_CFG_MSR			0xC0011021
-#define DC_CFG_MSR			0xC0011022
-#define CU_CFG_MSR			0xC0011023
-#define CU_CFG2_MSR			0xC001102A
-
-#define CPU_ID_FEATURES_MSR		0xC0011004
-#define CPU_ID_EXT_FEATURES_MSR		0xC0011005
-
-#define CORE_PERF_BOOST_CTRL		0x15C
-
 #endif /* CPU_AMD_FAM15_H */
diff --git a/src/include/cpu/amd/amdfam16.h b/src/include/cpu/amd/amdfam16.h
deleted file mode 100644
index 8b7503d906ca..000000000000
--- a/src/include/cpu/amd/amdfam16.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 Advanced Micro Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef CPU_AMD_FAM16_H
-#define CPU_AMD_FAM16_H
-
-#define MCG_CAP				0x00000179
-# define MCA_BANKS_MASK			0xff
-#define MC0_STATUS			0x00000401
-#define HWCR_MSR			0xC0010015
-#define NB_CFG_MSR			0xC001001f
-
-#define LS_CFG_MSR			0xC0011020
-#define IC_CFG_MSR			0xC0011021
-#define DC_CFG_MSR			0xC0011022
-#define CU_CFG_MSR			0xC0011023
-#define CU_CFG2_MSR			0xC001102A
-
-#define CPU_ID_FEATURES_MSR		0xC0011004
-#define CPU_ID_EXT_FEATURES_MSR		0xC0011005
-
-#endif /* CPU_AMD_FAM16_H */
diff --git a/src/include/cpu/amd/msr.h b/src/include/cpu/amd/msr.h
index 614c576d0366..46ec70d3c935 100644
--- a/src/include/cpu/amd/msr.h
+++ b/src/include/cpu/amd/msr.h
@@ -15,17 +15,65 @@
  * GNU General Public License for more details.
  */
 
+/* This file applies to AMD64 products.
+ * The definitions come from the AMD64 Programmers Manual vol2
+ * Revision 3.30 and/or the device's BKDG.
+ */
+
 #ifndef CPU_AMD_MSR_H
 #define CPU_AMD_MSR_H
 
 #include <cpu/x86/msr.h>
 
+#define CPUID_EXT_PM			0x80000007
+#define CPUID_MODEL			1
+#define MC4_MISC0			0x00000413
+#define MC4_MISC1			0xC0000408
+#define MC4_MISC2			0xC0000409
+#define FS_Base				0xC0000100
+#define HWCR_MSR                        0xC0010015
+#define NB_CFG_MSR                      0xC001001f
+#define FidVidStatus			0xC0010042
+#define MC1_CTL_MASK			0xC0010045
+#define MC4_CTL_MASK			0xC0010048
+#define MSR_INTPEND			0xC0010055
+#define MMIO_CONF_BASE			0xC0010058
+#define  MMIO_RANGE_EN			(1 << 0)
+#define  MMIO_BUS_RANGE_SHIFT		(1 << 1)
+	/* P-state Current Limit Register */
+#define PS_LIM_REG			0xC0010061
+	 /* P-state Maximum Value shift position */
+#define  PS_MAX_VAL_SHFT		4
+	/* P-state Control Register */
+#define PS_CTL_REG			0xC0010062
+	 /* P-state Control Register CMD Mask OFF */
+#define  PS_CMD_MASK_OFF		~(7)
+	 /* P-state Status Mask */
+#define  PS_STS_MASK			7
+	/* P-state Status Register */
+#define PS_STS_REG			0xC0010063
+#define PSTATE_0_MSR			0xC0010064
+#define PSTATE_1_MSR			0xC0010065
+#define PSTATE_2_MSR			0xC0010066
+#define PSTATE_3_MSR			0xC0010067
+#define PSTATE_4_MSR			0xC0010068
+
+#define MSR_COFVID_STS			0xC0010071
+#define MSR_CSTATE_ADDRESS		0xC0010073
+#define OSVW_ID_Length			0xC0010140
+#define OSVW_Status			0xC0010141
+
 #define SMM_BASE_MSR			0xC0010111
 #define SMM_ADDR_MSR			0xC0010112
 #define SMM_MASK_MSR			0xC0010113
+#define  SMM_LOCK			(1 << 0)
+#define  SMM_TSEG_VALID			(1 << 1)
+#define  SMM_TSEG_WB			(6 << 12)
 
-#define HWCR_MSR			0xC0010015
-#define NB_CFG_MSR			0xC001001f
+#define CPU_ID_FEATURES_MSR		0xC0011004
+#define CPU_ID_EXT_FEATURES_MSR		0xC0011005
+#define CPU_ID_HYPER_EXT_FEATURES	0xC001100d
+#define LOGICAL_CPUS_NUM_MSR		0xC001100d
 #define LS_CFG_MSR			0xC0011020
 #define IC_CFG_MSR			0xC0011021
 #define DC_CFG_MSR			0xC0011022
@@ -38,9 +86,6 @@
 #define LS_CFG2_MSR			0xC001102D
 #define IBS_OP_DATA3_MSR		0xC0011037
 
-#define CPU_ID_FEATURES_MSR		0xC0011004
-#define CPU_ID_HYPER_EXT_FEATURES	0xC001100d
-#define LOGICAL_CPUS_NUM_MSR		0xC001100d
-#define CPU_ID_EXT_FEATURES_MSR		0xC0011005
+#define CORE_PERF_BOOST_CTRL		0x15c
 
 #endif /* CPU_AMD_MSR_H */
diff --git a/src/include/cpu/x86/msr.h b/src/include/cpu/x86/msr.h
index 62e56b7a28d9..032ce4ecb679 100644
--- a/src/include/cpu/x86/msr.h
+++ b/src/include/cpu/x86/msr.h
@@ -25,6 +25,8 @@
 #define IA32_MPERF			0xe7
 #define IA32_APERF			0xe8
 #define IA32_MCG_CAP			0x179
+#define  MCG_CTL_P			(1 << 3)
+#define  MCA_BANKS_MASK			0xff
 #define IA32_PERF_STATUS		0x198
 #define IA32_PERF_CTL			0x199
 #define IA32_THERM_INTERRUPT		0x19b
diff --git a/src/mainboard/advansus/a785e-i/romstage.c b/src/mainboard/advansus/a785e-i/romstage.c
index e73a0e7cde55..2a0a1d98a33b 100644
--- a/src/mainboard/advansus/a785e-i/romstage.c
+++ b/src/mainboard/advansus/a785e-i/romstage.c
@@ -34,6 +34,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <northbridge/amd/amdfam10/raminit.h>
@@ -159,7 +160,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb800_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	post_code(0x39);
 
@@ -174,7 +175,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/amd/bimini_fam10/romstage.c b/src/mainboard/amd/bimini_fam10/romstage.c
index 5ee1fd6ab8fc..f6bb70fe2c3f 100644
--- a/src/mainboard/amd/bimini_fam10/romstage.c
+++ b/src/mainboard/amd/bimini_fam10/romstage.c
@@ -33,6 +33,7 @@
 #include <cpu/x86/lapic.h>
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb800/smbus.h>
@@ -151,7 +152,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb800_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -169,7 +170,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/amd/mahogany_fam10/romstage.c b/src/mainboard/amd/mahogany_fam10/romstage.c
index 0e2db0402f82..4a244eb37620 100644
--- a/src/mainboard/amd/mahogany_fam10/romstage.c
+++ b/src/mainboard/amd/mahogany_fam10/romstage.c
@@ -37,6 +37,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -156,7 +157,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
  #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -174,7 +175,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
  #endif
 
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c b/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c
index ad3157fbf6cb..622784be511f 100644
--- a/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c
+++ b/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c
@@ -35,6 +35,7 @@
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <northbridge/amd/amdfam10/raminit.h>
@@ -253,7 +254,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x38);
 
  #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -271,7 +272,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
  #endif
 
diff --git a/src/mainboard/amd/tilapia_fam10/romstage.c b/src/mainboard/amd/tilapia_fam10/romstage.c
index 89e72eb8f70b..0e60fc5c75a3 100644
--- a/src/mainboard/amd/tilapia_fam10/romstage.c
+++ b/src/mainboard/amd/tilapia_fam10/romstage.c
@@ -35,6 +35,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -152,7 +153,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -170,7 +171,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/asus/kcma-d8/romstage.c b/src/mainboard/asus/kcma-d8/romstage.c
index 1d616a6ae880..cda416981f77 100644
--- a/src/mainboard/asus/kcma-d8/romstage.c
+++ b/src/mainboard/asus/kcma-d8/romstage.c
@@ -38,6 +38,7 @@
 #include <cpu/x86/bist.h>
 #include <smp/spinlock.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
 #include <southbridge/amd/sr5650/sr5650.h>
@@ -475,7 +476,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	}
 
 	if (IS_ENABLED(CONFIG_SET_FIDVID)) {
-		msr = rdmsr(0xc0010071);
+		msr = rdmsr(MSR_COFVID_STS);
 		printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 		/* FIXME: The sb fid change may survive the warm reset and only need to be done once */
@@ -494,7 +495,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		post_code(0x3A);
 
 		/* show final fid and vid */
-		msr = rdmsr(0xc0010071);
+		msr = rdmsr(MSR_COFVID_STS);
 		printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	}
 
diff --git a/src/mainboard/asus/kfsn4-dre/romstage.c b/src/mainboard/asus/kfsn4-dre/romstage.c
index 036f136f067b..a6fd8b229133 100644
--- a/src/mainboard/asus/kfsn4-dre/romstage.c
+++ b/src/mainboard/asus/kfsn4-dre/romstage.c
@@ -35,6 +35,7 @@
 #include <cbmem.h>
 #include <cpu/amd/model_10xxx_rev.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <southbridge/nvidia/ck804/early_smbus.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
@@ -256,7 +257,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	wait_all_core0_started();
 
 	if (IS_ENABLED(CONFIG_SET_FIDVID)) {
-		msr = rdmsr(0xc0010071);
+		msr = rdmsr(MSR_COFVID_STS);
 		printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 		post_code(0x39);
@@ -270,7 +271,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		post_code(0x3A);
 
 		/* show final fid and vid */
-		msr = rdmsr(0xc0010071);
+		msr = rdmsr(MSR_COFVID_STS);
 		printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	}
 
diff --git a/src/mainboard/asus/kgpe-d16/romstage.c b/src/mainboard/asus/kgpe-d16/romstage.c
index 98bb1cab8e6e..cb4a1ec90404 100644
--- a/src/mainboard/asus/kgpe-d16/romstage.c
+++ b/src/mainboard/asus/kgpe-d16/romstage.c
@@ -37,6 +37,7 @@
 #include <superio/winbond/w83667hg-a/w83667hg-a.h>
 #include <cpu/x86/bist.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <smp/spinlock.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
@@ -515,7 +516,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	}
 
 	if (IS_ENABLED(CONFIG_SET_FIDVID)) {
-		msr = rdmsr(0xc0010071);
+		msr = rdmsr(MSR_COFVID_STS);
 		printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 		/* FIXME: The sb fid change may survive the warm reset and only need to be done once */
@@ -534,7 +535,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		post_code(0x3A);
 
 		/* show final fid and vid */
-		msr = rdmsr(0xc0010071);
+		msr = rdmsr(MSR_COFVID_STS);
 		printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	}
 
diff --git a/src/mainboard/asus/m4a78-em/romstage.c b/src/mainboard/asus/m4a78-em/romstage.c
index 4e05f0f97b3d..4320525db4c8 100644
--- a/src/mainboard/asus/m4a78-em/romstage.c
+++ b/src/mainboard/asus/m4a78-em/romstage.c
@@ -38,6 +38,7 @@
 #include <superio/ite/it8712f/it8712f.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
 #include <northbridge/amd/amdfam10/raminit.h>
@@ -156,7 +157,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
  #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -174,7 +175,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
  #endif
 
diff --git a/src/mainboard/asus/m4a785-m/romstage.c b/src/mainboard/asus/m4a785-m/romstage.c
index b4f62936353f..44d8d51c008b 100644
--- a/src/mainboard/asus/m4a785-m/romstage.c
+++ b/src/mainboard/asus/m4a785-m/romstage.c
@@ -37,6 +37,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8712f/it8712f.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -157,7 +158,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
  #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -175,7 +176,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
  #endif
 
diff --git a/src/mainboard/asus/m5a88-v/romstage.c b/src/mainboard/asus/m5a88-v/romstage.c
index fb1a134ec928..56e15418c7bd 100644
--- a/src/mainboard/asus/m5a88-v/romstage.c
+++ b/src/mainboard/asus/m5a88-v/romstage.c
@@ -36,6 +36,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8721f/it8721f.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb800/smbus.h>
@@ -161,7 +162,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb800_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	post_code(0x39);
 
@@ -176,7 +177,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/avalue/eax-785e/romstage.c b/src/mainboard/avalue/eax-785e/romstage.c
index d91776c4da3d..e9e865e28fe4 100644
--- a/src/mainboard/avalue/eax-785e/romstage.c
+++ b/src/mainboard/avalue/eax-785e/romstage.c
@@ -34,6 +34,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb800/smbus.h>
@@ -159,7 +160,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb800_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	post_code(0x39);
 
@@ -174,7 +175,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/gigabyte/ma785gm/romstage.c b/src/mainboard/gigabyte/ma785gm/romstage.c
index 680d2790776f..7b30452349bc 100644
--- a/src/mainboard/gigabyte/ma785gm/romstage.c
+++ b/src/mainboard/gigabyte/ma785gm/romstage.c
@@ -33,6 +33,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -152,7 +153,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -170,7 +171,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/gigabyte/ma785gmt/romstage.c b/src/mainboard/gigabyte/ma785gmt/romstage.c
index 642f70bfd81b..fef31f74b57c 100644
--- a/src/mainboard/gigabyte/ma785gmt/romstage.c
+++ b/src/mainboard/gigabyte/ma785gmt/romstage.c
@@ -33,6 +33,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -152,7 +153,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -170,7 +171,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/gigabyte/ma78gm/romstage.c b/src/mainboard/gigabyte/ma78gm/romstage.c
index 923cfbc9aff3..c09b170a2b2a 100644
--- a/src/mainboard/gigabyte/ma78gm/romstage.c
+++ b/src/mainboard/gigabyte/ma78gm/romstage.c
@@ -36,6 +36,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -154,7 +155,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -172,7 +173,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/hp/dl165_g6_fam10/romstage.c b/src/mainboard/hp/dl165_g6_fam10/romstage.c
index fc922f413e91..6e65be23e9d2 100644
--- a/src/mainboard/hp/dl165_g6_fam10/romstage.c
+++ b/src/mainboard/hp/dl165_g6_fam10/romstage.c
@@ -43,6 +43,7 @@
 #include <superio/nsc/pc87417/pc87417.h>
 #include <cpu/x86/bist.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/amdfam10/raminit.h>
 #include <northbridge/amd/amdht/ht_wrapper.h>
 #include <cpu/amd/family_10h-family_15h/init_cpus.h>
@@ -161,7 +162,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 #endif
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -180,7 +181,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/iei/kino-780am2-fam10/romstage.c b/src/mainboard/iei/kino-780am2-fam10/romstage.c
index 5693cee5642a..b4612eed5ece 100644
--- a/src/mainboard/iei/kino-780am2-fam10/romstage.c
+++ b/src/mainboard/iei/kino-780am2-fam10/romstage.c
@@ -36,6 +36,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71859/f71859.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -154,7 +155,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
  #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -172,7 +173,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
  #endif
 
diff --git a/src/mainboard/jetway/pa78vm5/romstage.c b/src/mainboard/jetway/pa78vm5/romstage.c
index 10416964cfd9..28c3a5dea424 100644
--- a/src/mainboard/jetway/pa78vm5/romstage.c
+++ b/src/mainboard/jetway/pa78vm5/romstage.c
@@ -37,6 +37,7 @@
 #include <cpu/x86/bist.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71863fg/f71863fg.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -159,7 +160,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -177,7 +178,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/msi/ms9652_fam10/romstage.c b/src/mainboard/msi/ms9652_fam10/romstage.c
index 7848e9e95c9c..8538d33a50f6 100644
--- a/src/mainboard/msi/ms9652_fam10/romstage.c
+++ b/src/mainboard/msi/ms9652_fam10/romstage.c
@@ -33,6 +33,7 @@
 #include <delay.h>
 #include <cpu/x86/lapic.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627ehg/w83627ehg.h>
 #include <cpu/x86/bist.h>
@@ -190,7 +191,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x38);
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -208,7 +209,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 	init_timer(); /* Need to use TMICT to synchronize FID/VID. */
diff --git a/src/mainboard/supermicro/h8dmr_fam10/romstage.c b/src/mainboard/supermicro/h8dmr_fam10/romstage.c
index d5506dfa4231..3e58848e6195 100644
--- a/src/mainboard/supermicro/h8dmr_fam10/romstage.c
+++ b/src/mainboard/supermicro/h8dmr_fam10/romstage.c
@@ -36,6 +36,7 @@
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/x86/bist.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/amdfam10/raminit.h>
 #include <northbridge/amd/amdht/ht_wrapper.h>
 #include <cpu/amd/family_10h-family_15h/init_cpus.h>
@@ -184,7 +185,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x38);
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n",
 		msr.hi, msr.lo);
 
@@ -203,7 +204,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n",
 	       msr.hi, msr.lo);
 #endif
diff --git a/src/mainboard/supermicro/h8qme_fam10/romstage.c b/src/mainboard/supermicro/h8qme_fam10/romstage.c
index f438400f378c..6aa20bbc2afd 100644
--- a/src/mainboard/supermicro/h8qme_fam10/romstage.c
+++ b/src/mainboard/supermicro/h8qme_fam10/romstage.c
@@ -36,6 +36,7 @@
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/x86/bist.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <northbridge/amd/amdfam10/raminit.h>
 #include <northbridge/amd/amdht/ht_wrapper.h>
 #include <cpu/amd/family_10h-family_15h/init_cpus.h>
@@ -236,7 +237,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x38);
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -254,7 +255,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/supermicro/h8scm_fam10/romstage.c b/src/mainboard/supermicro/h8scm_fam10/romstage.c
index a3d3ceabb041..045adaeff92e 100644
--- a/src/mainboard/supermicro/h8scm_fam10/romstage.c
+++ b/src/mainboard/supermicro/h8scm_fam10/romstage.c
@@ -34,6 +34,7 @@
 #include <cpu/x86/lapic.h>
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
@@ -168,7 +169,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	sb7xx_51xx_early_setup();
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -186,7 +187,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/mainboard/tyan/s2912_fam10/romstage.c b/src/mainboard/tyan/s2912_fam10/romstage.c
index 0b47f9d6f4ff..7c4fd5b4bc2c 100644
--- a/src/mainboard/tyan/s2912_fam10/romstage.c
+++ b/src/mainboard/tyan/s2912_fam10/romstage.c
@@ -33,6 +33,7 @@
 #include <delay.h>
 #include <cpu/x86/lapic.h>
 #include <cpu/amd/car.h>
+#include <cpu/amd/msr.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/x86/bist.h>
@@ -185,7 +186,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x38);
 
 #if IS_ENABLED(CONFIG_SET_FIDVID)
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 
 	/* FIXME: The sb fid change may survive the warm reset and only
@@ -203,7 +204,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	post_code(0x3A);
 
 	/* show final fid and vid */
-	msr = rdmsr(0xc0010071);
+	msr = rdmsr(MSR_COFVID_STS);
 	printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 #endif
 
diff --git a/src/northbridge/amd/agesa/family12/northbridge.c b/src/northbridge/amd/agesa/family12/northbridge.c
index dbe88d59bc10..185111864594 100644
--- a/src/northbridge/amd/agesa/family12/northbridge.c
+++ b/src/northbridge/amd/agesa/family12/northbridge.c
@@ -29,6 +29,7 @@
 #include <cbmem.h>
 
 #include <cpu/x86/lapic.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 
 #include "sb_cimx.h"
@@ -306,7 +307,7 @@ static void read_resources(struct device *dev)
 	 * It is not honored by the coreboot resource allocator if it is in
 	 * the CPU_CLUSTER.
 	 */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 
 	printk(BIOS_DEBUG, "Fam12h - northbridge.c - %s - End.\n",__func__);
 }
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c
index ea21c6952a62..ae5b227bee4e 100644
--- a/src/northbridge/amd/agesa/family14/northbridge.c
+++ b/src/northbridge/amd/agesa/family14/northbridge.c
@@ -27,13 +27,11 @@
 #include <lib.h>
 #include <cpu/cpu.h>
 #include <cbmem.h>
-
 #include <cpu/x86/lapic.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
-
 #include <northbridge/amd/agesa/state_machine.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
-
 #include <sb_cimx.h>
 
 #define FX_DEVS 1
@@ -298,7 +296,7 @@ static void nb_read_resources(struct device *dev)
 	 * It is not honored by the coreboot resource allocator if it is in
 	 * the CPU_CLUSTER.
 	 */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 }
 
 static void set_resource(struct device *dev, struct resource *resource,
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index 76fd747c9183..7248eb79a079 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -29,14 +29,12 @@
 #include <cpu/cpu.h>
 #include <cbmem.h>
 #include <AGESA.h>
-
 #include <cpu/x86/lapic.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
-
 #include <Porting.h>
 #include <Options.h>
 #include <Topology.h>
-
 #include <northbridge/amd/agesa/state_machine.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 
@@ -307,7 +305,7 @@ static void nb_read_resources(struct device *dev)
 	 * It is not honored by the coreboot resource allocator if it is in
 	 * the CPU_CLUSTER.
 	 */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 }
 
 static void set_resource(struct device *dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index 6e0eabaa50b9..a42ee5cd51e0 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -27,15 +27,13 @@
 #include <lib.h>
 #include <cpu/cpu.h>
 #include <cbmem.h>
-
 #include <cpu/x86/lapic.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
-
 #include <Porting.h>
 #include <AGESA.h>
 #include <Options.h>
 #include <Topology.h>
-
 #include <northbridge/amd/agesa/state_machine.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 
@@ -306,7 +304,7 @@ static void read_resources(struct device *dev)
 	 * It is not honored by the coreboot resource allocator if it is in
 	 * the APIC_CLUSTER.
 	 */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 }
 
 static void set_resource(struct device *dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index ff4f0a397a35..4da522866671 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -28,7 +28,6 @@
 #include <smbios.h>
 #include <cpu/cpu.h>
 #include <delay.h>
-
 #include <cpu/x86/lapic.h>
 #include <cpu/x86/cache.h>
 #include <cpu/amd/mtrr.h>
@@ -734,7 +733,7 @@ static void amdfam10_domain_read_resources(struct device *dev)
 	pci_domain_read_resources(dev);
 
 	/* We have MMCONF_SUPPORT, create the resource window. */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 
 	/* Reserve lower DRAM region to force PCI MMIO region to correct location above 0xefffffff */
 	ram_resource(dev, 7, 0, rdmsr(TOP_MEM).lo >> 10);
diff --git a/src/northbridge/amd/amdht/AsPsDefs.h b/src/northbridge/amd/amdht/AsPsDefs.h
index d4e6a29f42ab..7e6a63d857e3 100644
--- a/src/northbridge/amd/amdht/AsPsDefs.h
+++ b/src/northbridge/amd/amdht/AsPsDefs.h
@@ -21,19 +21,6 @@
 #define APIC_BAR 0x1b			/* APIC_BAR register */
 #define APIC_BAR_BP 0x100		/* APIC_BAR BSP bit */
 
-#define PS_LIM_REG 0xC0010061		/* P-state Current Limit Register */
-#define PS_MAX_VAL_SHFT 4		/* P-state Maximum Value shift position */
-
-#define PS_CTL_REG 0xC0010062		/* P-state Control Register */
-#define PS_CMD_MASK_OFF 0xfffffff8	/* P-state Control Register CMD Mask OFF */
-
-#define PS_STS_REG 0xC0010063		/* P-state Status Register */
-#define PS_STS_MASK 0x7		/* P-state Status Mask */
-
-#define PS_REG_BASE 0xC0010064		/* P-state Register base */
-#define PS_MAX_REG 0xC0010068		/* Maximum P-State Register */
-#define PS_MIN_REG 0xC0010064		/* Mimimum P-State Register */
-
 /* P-state register offset */
 #define PS_REG0 0			/* offset for P0 */
 #define PS_REG1 1			/* offset for P1 */
@@ -286,7 +273,6 @@
 
 
 #define TSC_MSR 0x10
-#define CUR_PSTATE_MSR 0xc0010063
 #define TSC_FREQ_SEL_SHIFT 24
 
 #define TSC_FREQ_SEL_MASK (1 << TSC_FREQ_SEL_SHIFT)
diff --git a/src/northbridge/amd/amdmct/amddefs.h b/src/northbridge/amd/amdmct/amddefs.h
index 977fd9c959df..1a442082ff83 100644
--- a/src/northbridge/amd/amdmct/amddefs.h
+++ b/src/northbridge/amd/amdmct/amddefs.h
@@ -120,42 +120,6 @@
 #define HTPHY_DIRECT_MAP		0x20000000
 #define HTPHY_DIRECT_OFFSET_MASK	0xE000FFFF
 
-
-/*
- * Various AMD MSRs
- */
-#define CPUID_EXT_PM		0x80000007
-#define CPUID_MODEL		1
-#define MCG_CAP			0x00000179
-	#define MCG_CTL_P	8
-	#define MCA_BANKS_MASK	0xff
-#define MC0_CTL			0x00000400
-#define MC0_STA			(MC0_CTL + 1)
-#define MC4_MISC0		0x00000413
-#define MC4_MISC1		0xC0000408
-#define MC4_MISC2		0xC0000409
-#define FS_Base			0xC0000100
-#define SYSCFG			0xC0010010
-#define HWCR			0xC0010015
-#define NB_CFG			0xC001001F
-#define FidVidStatus		0xC0010042
-#define MC1_CTL_MASK		0xC0010045
-#define MC4_CTL_MASK		0xC0010048
-#define OSVW_ID_Length		0xC0010140
-#define OSVW_Status		0xC0010141
-#define CPUIDFEATURES		0xC0011004
-#define LS_CFG			0xC0011020
-#define IC_CFG			0xC0011021
-#define DC_CFG			0xC0011022
-#define BU_CFG			0xC0011023
-#define FP_CFG			0xC0011028
-#define DE_CFG			0xC0011029
-#define BU_CFG2			0xC001102A
-#define BU_CFG3			0xC001102B
-#define EX_CFG			0xC001102C
-#define LS_CFG2			0xC001102D
-#define IBS_OP_DATA3		0xC0011037
-
 /*
  * Processor package types
  */
diff --git a/src/northbridge/amd/amdmct/mct/mct_d.c b/src/northbridge/amd/amdmct/mct/mct_d.c
index 4267e6d07c08..2488dfc22baf 100644
--- a/src/northbridge/amd/amdmct/mct/mct_d.c
+++ b/src/northbridge/amd/amdmct/mct/mct_d.c
@@ -33,9 +33,9 @@
  * supported.
  */
 
-#include "mct_d.h"
-
 #include <string.h>
+#include <cpu/amd/msr.h>
+#include "mct_d.h"
 
 static u8 ReconfigureDIMMspare_D(struct MCTStatStruc *pMCTstat,
 					struct DCTStatStruc *pDCTstatA);
@@ -3686,7 +3686,7 @@ void mct_SetClToNB_D(struct MCTStatStruc *pMCTstat,
 	// FIXME: Maybe check the CPUID? - not for now.
 	// pDCTstat->LogicalCPUID;
 
-	msr = BU_CFG2;
+	msr = BU_CFG2_MSR;
 	_RDMSR(msr, &lo, &hi);
 	lo |= 1 << ClLinesToNbDis;
 	_WRMSR(msr, lo, hi);
@@ -3703,7 +3703,7 @@ void mct_ClrClToNB_D(struct MCTStatStruc *pMCTstat,
 	// FIXME: Maybe check the CPUID? - not for now.
 	// pDCTstat->LogicalCPUID;
 
-	msr = BU_CFG2;
+	msr = BU_CFG2_MSR;
 	_RDMSR(msr, &lo, &hi);
 	if (!pDCTstat->ClToNB_flag)
 		lo &= ~(1 << ClLinesToNbDis);
@@ -3721,7 +3721,7 @@ void mct_SetWbEnhWsbDis_D(struct MCTStatStruc *pMCTstat,
 	// FIXME: Maybe check the CPUID? - not for now.
 	// pDCTstat->LogicalCPUID;
 
-	msr = BU_CFG;
+	msr = BU_CFG_MSR;
 	_RDMSR(msr, &lo, &hi);
 	hi |= (1 << WbEnhWsbDis_D);
 	_WRMSR(msr, lo, hi);
@@ -3737,7 +3737,7 @@ void mct_ClrWbEnhWsbDis_D(struct MCTStatStruc *pMCTstat,
 	// FIXME: Maybe check the CPUID? - not for now.
 	// pDCTstat->LogicalCPUID;
 
-	msr = BU_CFG;
+	msr = BU_CFG_MSR;
 	_RDMSR(msr, &lo, &hi);
 	hi &= ~(1 << WbEnhWsbDis_D);
 	_WRMSR(msr, lo, hi);
@@ -3845,7 +3845,7 @@ static void mct_ResetDLL_D(struct MCTStatStruc *pMCTstat,
 		return;
 	}
 
-	addr = HWCR;
+	addr = HWCR_MSR;
 	_RDMSR(addr, &lo, &hi);
 	if (lo & (1<<17)) {		/* save the old value */
 		wrap32dis = 1;
@@ -3877,7 +3877,7 @@ static void mct_ResetDLL_D(struct MCTStatStruc *pMCTstat,
 		}
 	}
 	if (!wrap32dis) {
-		addr = HWCR;
+		addr = HWCR_MSR;
 		_RDMSR(addr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(addr, lo, hi);
diff --git a/src/northbridge/amd/amdmct/mct/mctdqs_d.c b/src/northbridge/amd/amdmct/mct/mctdqs_d.c
index 9bb87bbb2a0e..39c11ce7da15 100644
--- a/src/northbridge/amd/amdmct/mct/mctdqs_d.c
+++ b/src/northbridge/amd/amdmct/mct/mctdqs_d.c
@@ -13,9 +13,10 @@
  * GNU General Public License for more details.
  */
 
-#include "mct_d.h"
 #include <cpu/x86/cr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
+#include "mct_d.h"
 
 static void CalcEccDQSPos_D(struct MCTStatStruc *pMCTstat,
 				struct DCTStatStruc *pDCTstat, u16 like,
@@ -286,7 +287,7 @@ static void TrainDQSRdWrPos_D(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1<<9);		/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	addr = HWCR;
+	addr = HWCR_MSR;
 	_RDMSR(addr, &lo, &hi);
 	if (lo & (1<<17)) {
 		_Wrap32Dis = 1;
@@ -368,7 +369,7 @@ static void TrainDQSRdWrPos_D(struct MCTStatStruc *pMCTstat,
 		mct_EnableDimmEccEn_D(pMCTstat, pDCTstat, _DisableDramECC);
 	}
 	if (!_Wrap32Dis) {
-		addr = HWCR;
+		addr = HWCR_MSR;
 		_RDMSR(addr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(addr, lo, hi);
diff --git a/src/northbridge/amd/amdmct/mct/mctsrc.c b/src/northbridge/amd/amdmct/mct/mctsrc.c
index a29f8eb42e52..4689c7b982fe 100644
--- a/src/northbridge/amd/amdmct/mct/mctsrc.c
+++ b/src/northbridge/amd/amdmct/mct/mctsrc.c
@@ -14,8 +14,9 @@
  * GNU General Public License for more details.
  */
 
-#include "mct_d.h"
 #include <cpu/x86/cr.h>
+#include <cpu/amd/msr.h>
+#include "mct_d.h"
 
 /******************************************************************************
  Description: Receiver En and DQS Timing Training feature for DDR 2 MCT
@@ -170,7 +171,7 @@ static void dqsTrainRcvrEn_SW(struct MCTStatStruc *pMCTstat,
 	write_cr4(cr4);
 	print_t("TrainRcvrEn: 2\n");
 
-	msr = HWCR;
+	msr = HWCR_MSR;
 	_RDMSR(msr, &lo, &hi);
 	//FIXME: Why use SSEDIS
 	if (lo & (1 << 17)) {	/* save the old value */
@@ -443,7 +444,7 @@ static void dqsTrainRcvrEn_SW(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (!_Wrap32Dis) {
-		msr = HWCR;
+		msr = HWCR_MSR;
 		_RDMSR(msr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(msr, lo, hi);
diff --git a/src/northbridge/amd/amdmct/mct/mcttmrl.c b/src/northbridge/amd/amdmct/mct/mcttmrl.c
index 4c6d8e6fee02..192288a2c4a0 100644
--- a/src/northbridge/amd/amdmct/mct/mcttmrl.c
+++ b/src/northbridge/amd/amdmct/mct/mcttmrl.c
@@ -13,8 +13,9 @@
  * GNU General Public License for more details.
  */
 
-#include "mct_d.h"
 #include <cpu/x86/cr.h>
+#include <cpu/amd/msr.h>
+#include "mct_d.h"
 
 /*
  * Description: Max Read Latency Training feature for DDR 2 MCT
@@ -132,7 +133,7 @@ static void maxRdLatencyTrain_D(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1<<9);			/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	addr = HWCR;
+	addr = HWCR_MSR;
 	_RDMSR(addr, &lo, &hi);
 	if (lo & (1<<17)) {		/* save the old value */
 		_Wrap32Dis = 1;
@@ -182,7 +183,7 @@ static void maxRdLatencyTrain_D(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (!_Wrap32Dis) {
-		addr = HWCR;
+		addr = HWCR_MSR;
 		_RDMSR(addr, &lo, &hi);
 		lo &= ~(1<<17);	/* restore HWCR.wrap32dis */
 		_WRMSR(addr, lo, hi);
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
index 7421c18a6921..b94c68c93133 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
@@ -32,18 +32,19 @@
  * supported.
  */
 
-#include "mct_d_gcc.h"
-#include "mct_d.h"
 #include <console/console.h>
 #include <northbridge/amd/amdfam10/debug.h>
 #include <northbridge/amd/amdfam10/raminit.h>
 #include <northbridge/amd/amdfam10/amdfam10.h>
 #include <reset.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <arch/acpi.h>
 #include <string.h>
 #include <device/dram/ddr3.h>
 #include "s3utils.h"
+#include "mct_d_gcc.h"
+#include "mct_d.h"
 
 static u8 ReconfigureDIMMspare_D(struct MCTStatStruc *pMCTstat,
 					struct DCTStatStruc *pDCTstatA);
@@ -7770,7 +7771,7 @@ void mct_SetClToNB_D(struct MCTStatStruc *pMCTstat,
 	/* FIXME: Maybe check the CPUID? - not for now. */
 	/* pDCTstat->LogicalCPUID; */
 
-	msr = BU_CFG2;
+	msr = BU_CFG2_MSR;
 	_RDMSR(msr, &lo, &hi);
 	lo |= 1 << ClLinesToNbDis;
 	_WRMSR(msr, lo, hi);
@@ -7786,7 +7787,7 @@ void mct_ClrClToNB_D(struct MCTStatStruc *pMCTstat,
 	/* FIXME: Maybe check the CPUID? - not for now. */
 	/* pDCTstat->LogicalCPUID; */
 
-	msr = BU_CFG2;
+	msr = BU_CFG2_MSR;
 	_RDMSR(msr, &lo, &hi);
 	if (!pDCTstat->ClToNB_flag)
 		lo &= ~(1<<ClLinesToNbDis);
@@ -7803,7 +7804,7 @@ void mct_SetWbEnhWsbDis_D(struct MCTStatStruc *pMCTstat,
 	/* FIXME: Maybe check the CPUID? - not for now. */
 	/* pDCTstat->LogicalCPUID; */
 
-	msr = BU_CFG;
+	msr = BU_CFG_MSR;
 	_RDMSR(msr, &lo, &hi);
 	hi |= (1 << WbEnhWsbDis_D);
 	_WRMSR(msr, lo, hi);
@@ -7818,7 +7819,7 @@ void mct_ClrWbEnhWsbDis_D(struct MCTStatStruc *pMCTstat,
 	/* FIXME: Maybe check the CPUID? - not for now. */
 	/* pDCTstat->LogicalCPUID; */
 
-	msr = BU_CFG;
+	msr = BU_CFG_MSR;
 	_RDMSR(msr, &lo, &hi);
 	hi &= ~(1 << WbEnhWsbDis_D);
 	_WRMSR(msr, lo, hi);
@@ -8048,7 +8049,7 @@ static void mct_ResetDLL_D(struct MCTStatStruc *pMCTstat,
 		return;
 	}
 
-	addr = HWCR;
+	addr = HWCR_MSR;
 	_RDMSR(addr, &lo, &hi);
 	if (lo & (1<<17)) {		/* save the old value */
 		wrap32dis = 1;
@@ -8079,7 +8080,7 @@ static void mct_ResetDLL_D(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (!wrap32dis) {
-		addr = HWCR;
+		addr = HWCR_MSR;
 		_RDMSR(addr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(addr, lo, hi);
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c
index 04299937d830..ce93472b9d57 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c
@@ -17,9 +17,10 @@
 #include <inttypes.h>
 #include <console/console.h>
 #include <string.h>
+#include <cpu/amd/msr.h>
+#include <cpu/amd/mtrr.h>
 #include "mct_d.h"
 #include "mct_d_gcc.h"
-#include <cpu/amd/mtrr.h>
 
 static void CalcEccDQSPos_D(struct MCTStatStruc *pMCTstat,
 				struct DCTStatStruc *pDCTstat, u16 like,
@@ -431,7 +432,7 @@ static void TrainDQSRdWrPos_D_Fam10(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1<<9);		/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	addr = HWCR;
+	addr = HWCR_MSR;
 	_RDMSR(addr, &lo, &hi);
 	if (lo & (1<<17)) {
 		_Wrap32Dis = 1;
@@ -830,7 +831,7 @@ static void TrainDQSRdWrPos_D_Fam10(struct MCTStatStruc *pMCTstat,
 		mct_EnableDimmEccEn_D(pMCTstat, pDCTstat, _DisableDramECC);
 	}
 	if (!_Wrap32Dis) {
-		addr = HWCR;
+		addr = HWCR_MSR;
 		_RDMSR(addr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(addr, lo, hi);
@@ -1648,7 +1649,7 @@ static void TrainDQSReceiverEnCyc_D_Fam15(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1<<9);		/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	addr = HWCR;
+	addr = HWCR_MSR;
 	_RDMSR(addr, &lo, &hi);
 	if (lo & (1<<17)) {
 		_Wrap32Dis = 1;
@@ -1861,7 +1862,7 @@ static void TrainDQSReceiverEnCyc_D_Fam15(struct MCTStatStruc *pMCTstat,
 		mct_EnableDimmEccEn_D(pMCTstat, pDCTstat, _DisableDramECC);
 	}
 	if (!_Wrap32Dis) {
-		addr = HWCR;
+		addr = HWCR_MSR;
 		_RDMSR(addr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(addr, lo, hi);
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
index bae2e8998aaf..1db1b54307a2 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
@@ -22,9 +22,10 @@
 #include <inttypes.h>
 #include <console/console.h>
 #include <string.h>
+#include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include "mct_d.h"
 #include "mct_d_gcc.h"
-#include <cpu/x86/msr.h>
 
 static void dqsTrainRcvrEn_SW_Fam10(struct MCTStatStruc *pMCTstat,
 				struct DCTStatStruc *pDCTstat, u8 Pass);
@@ -661,14 +662,15 @@ static void dqsTrainRcvrEn_SW_Fam10(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1 << 9);	/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	msr = rdmsr(HWCR);
+	msr = rdmsr(HWCR_MSR);
 	/* FIXME: Why use SSEDIS */
 	if (msr.lo & (1 << 17)) {	/* save the old value */
 		_Wrap32Dis = 1;
 	}
 	msr.lo |= (1 << 17);	/* HWCR.wrap32dis */
 	msr.lo &= ~(1 << 15);	/* SSEDIS */
-	wrmsr(HWCR, msr);	/* Setting wrap32dis allows 64-bit memory references in real mode */
+	wrmsr(HWCR_MSR, msr);	/* Setting wrap32dis allows 64-bit memory
+				   references in real mode */
 
 	_DisableDramECC = mct_DisableDimmEccEn_D(pMCTstat, pDCTstat);
 
@@ -996,9 +998,9 @@ static void dqsTrainRcvrEn_SW_Fam10(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (!_Wrap32Dis) {
-		msr = rdmsr(HWCR);
+		msr = rdmsr(HWCR_MSR);
 		msr.lo &= ~(1<<17);	/* restore HWCR.wrap32dis */
-		wrmsr(HWCR, msr);
+		wrmsr(HWCR_MSR, msr);
 	}
 	if (!_SSE2) {
 		cr4 = read_cr4();
@@ -1254,7 +1256,7 @@ static void dqsTrainRcvrEn_SW_Fam15(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1 << 9);	/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	msr = HWCR;
+	msr = HWCR_MSR;
 	_RDMSR(msr, &lo, &hi);
 	/* FIXME: Why use SSEDIS */
 	if (lo & (1 << 17)) {	/* save the old value */
@@ -1498,7 +1500,7 @@ static void dqsTrainRcvrEn_SW_Fam15(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (!_Wrap32Dis) {
-		msr = HWCR;
+		msr = HWCR_MSR;
 		_RDMSR(msr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(msr, lo, hi);
@@ -1613,7 +1615,7 @@ void dqsTrainMaxRdLatency_SW_Fam15(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1 << 9);	/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	msr = HWCR;
+	msr = HWCR_MSR;
 	_RDMSR(msr, &lo, &hi);
 	/* FIXME: Why use SSEDIS */
 	if (lo & (1 << 17)) {	/* save the old value */
@@ -1718,7 +1720,7 @@ void dqsTrainMaxRdLatency_SW_Fam15(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (!_Wrap32Dis) {
-		msr = HWCR;
+		msr = HWCR_MSR;
 		_RDMSR(msr, &lo, &hi);
 		lo &= ~(1<<17);		/* restore HWCR.wrap32dis */
 		_WRMSR(msr, lo, hi);
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mcttmrl.c b/src/northbridge/amd/amdmct/mct_ddr3/mcttmrl.c
index 039a74773665..6c3db475425d 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mcttmrl.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mcttmrl.c
@@ -21,6 +21,7 @@
 #include <inttypes.h>
 #include <console/console.h>
 #include <string.h>
+#include <cpu/amd/msr.h>
 #include "mct_d.h"
 #include "mct_d_gcc.h"
 
@@ -131,7 +132,7 @@ static void maxRdLatencyTrain_D(struct MCTStatStruc *pMCTstat,
 	cr4 |= (1<<9);			/* OSFXSR enable SSE2 */
 	write_cr4(cr4);
 
-	addr = HWCR;
+	addr = HWCR_MSR;
 	_RDMSR(addr, &lo, &hi);
 	if (lo & (1<<17)) {		/* save the old value */
 		_Wrap32Dis = 1;
@@ -181,7 +182,7 @@ static void maxRdLatencyTrain_D(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (!_Wrap32Dis) {
-		addr = HWCR;
+		addr = HWCR_MSR;
 		_RDMSR(addr, &lo, &hi);
 		lo &= ~(1<<17);	/* restore HWCR.wrap32dis */
 		_WRMSR(addr, lo, hi);
diff --git a/src/northbridge/amd/pi/00630F01/northbridge.c b/src/northbridge/amd/pi/00630F01/northbridge.c
index 8be2ac70fb27..f6cb28565b5f 100644
--- a/src/northbridge/amd/pi/00630F01/northbridge.c
+++ b/src/northbridge/amd/pi/00630F01/northbridge.c
@@ -26,23 +26,23 @@
 #include <lib.h>
 #include <cpu/cpu.h>
 #include <cbmem.h>
-
 #include <Porting.h>
 #include <AGESA.h>
 #include <FieldAccessors.h>
 #include <Topology.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/amd/msr.h>
+#include <cpu/amd/mtrr.h>
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <assert.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #if IS_ENABLED(CONFIG_BINARYPI_LEGACY_WRAPPER)
 #include <northbridge/amd/pi/agesawrapper.h>
 #include <northbridge/amd/pi/agesawrapper_call.h>
 #endif
-#include "northbridge.h"
 
-#include <cpu/x86/lapic.h>
-#include <cpu/amd/mtrr.h>
-#include <arch/acpi.h>
-#include <arch/acpigen.h>
-#include <assert.h>
+#include "northbridge.h"
 
 #define MAX_NODE_NUMS MAX_NODES
 
@@ -315,7 +315,7 @@ static void read_resources(struct device *dev)
 	 * It is not honored by the coreboot resource allocator if it is in
 	 * the CPU_CLUSTER.
 	 */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 }
 
 static void set_resource(struct device *dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/pi/00660F01/northbridge.c b/src/northbridge/amd/pi/00660F01/northbridge.c
index c073e7ad1177..fb3610d1b9e6 100644
--- a/src/northbridge/amd/pi/00660F01/northbridge.c
+++ b/src/northbridge/amd/pi/00660F01/northbridge.c
@@ -26,11 +26,15 @@
 #include <lib.h>
 #include <cpu/cpu.h>
 #include <cbmem.h>
-
 #include <Porting.h>
 #include <AGESA.h>
 #include <FieldAccessors.h>
 #include <Topology.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/amd/msr.h>
+#include <cpu/amd/mtrr.h>
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #if IS_ENABLED(CONFIG_BINARYPI_LEGACY_WRAPPER)
 #include <northbridge/amd/pi/agesawrapper.h>
@@ -38,11 +42,6 @@
 #endif
 #include "northbridge.h"
 
-#include <cpu/x86/lapic.h>
-#include <cpu/amd/mtrr.h>
-#include <arch/acpi.h>
-#include <arch/acpigen.h>
-
 #define MAX_NODE_NUMS MAX_NODES
 
 #if IS_ENABLED(CONFIG_EXT_CONF_SUPPORT)
@@ -302,7 +301,7 @@ static void read_resources(struct device *dev)
 	 * It is not honored by the coreboot resource allocator if it is in
 	 * the CPU_CLUSTER.
 	 */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 }
 
 static void set_resource(struct device *dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/pi/00730F01/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index f4c39d6be13c..7125e1e090a2 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -28,11 +28,15 @@
 #include <lib.h>
 #include <cpu/cpu.h>
 #include <cbmem.h>
-
 #include <Porting.h>
 #include <AGESA.h>
 #include <FieldAccessors.h>
 #include <Topology.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/amd/msr.h>
+#include <cpu/amd/mtrr.h>
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #if IS_ENABLED(CONFIG_BINARYPI_LEGACY_WRAPPER)
 #include <northbridge/amd/pi/agesawrapper.h>
@@ -40,11 +44,6 @@
 #endif
 #include "northbridge.h"
 
-#include <cpu/x86/lapic.h>
-#include <cpu/amd/mtrr.h>
-#include <arch/acpi.h>
-#include <arch/acpigen.h>
-
 #define MAX_NODE_NUMS MAX_NODES
 
 typedef struct dram_base_mask {
@@ -312,7 +311,7 @@ static void read_resources(struct device *dev)
 	 * It is not honored by the coreboot resource allocator if it is in
 	 * the CPU_CLUSTER.
 	 */
-	mmconf_resource(dev, 0xc0010058);
+	mmconf_resource(dev, MMIO_CONF_BASE);
 }
 
 static void set_resource(struct device *dev, struct resource *resource, u32 nodeid)
diff --git a/src/soc/amd/stoneyridge/bootblock/bootblock.c b/src/soc/amd/stoneyridge/bootblock/bootblock.c
index 479e0fc9f22f..e9a5bd611643 100644
--- a/src/soc/amd/stoneyridge/bootblock/bootblock.c
+++ b/src/soc/amd/stoneyridge/bootblock/bootblock.c
@@ -18,6 +18,7 @@
 #include <assert.h>
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/x86/mtrr.h>
 #include <cpu/amd/amdfam15.h>
 #include <smp/node.h>
diff --git a/src/soc/amd/stoneyridge/cpu.c b/src/soc/amd/stoneyridge/cpu.c
index 92b2950ad384..c140fca7dbae 100644
--- a/src/soc/amd/stoneyridge/cpu.c
+++ b/src/soc/amd/stoneyridge/cpu.c
@@ -18,8 +18,8 @@
 #include <cpu/x86/mp.h>
 #include <cpu/x86/mtrr.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/x86/lapic.h>
-#include <cpu/amd/amdfam15.h>
 #include <device/device.h>
 #include <device/pci_ops.h>
 #include <soc/pci_devs.h>
@@ -89,10 +89,10 @@ static void relocation_handler(int cpu, uintptr_t curr_smbase,
 
 	tseg_base.lo = relo_attrs.tseg_base;
 	tseg_base.hi = 0;
-	wrmsr(MSR_TSEG_BASE, tseg_base);
+	wrmsr(SMM_ADDR_MSR, tseg_base);
 	tseg_mask.lo = relo_attrs.tseg_mask;
 	tseg_mask.hi = ((1 << (cpu_phys_address_size() - 32)) - 1);
-	wrmsr(MSR_SMM_MASK, tseg_mask);
+	wrmsr(SMM_MASK_MSR, tseg_mask);
 	smm_state = (void *)(SMM_AMD64_SAVE_STATE_OFFSET + curr_smbase);
 	smm_state->smbase = staggered_smbase;
 }
diff --git a/src/soc/amd/stoneyridge/finalize.c b/src/soc/amd/stoneyridge/finalize.c
index 21d203cdd2fb..45e659504bf7 100644
--- a/src/soc/amd/stoneyridge/finalize.c
+++ b/src/soc/amd/stoneyridge/finalize.c
@@ -15,7 +15,7 @@
 
 #include <cpu/x86/mp.h>
 #include <cpu/x86/msr.h>
-#include <cpu/amd/amdfam15.h>
+#include <cpu/amd/msr.h>
 #include <bootstate.h>
 #include <timer.h>
 #include <console/console.h>
@@ -30,9 +30,9 @@ static void per_core_finalize(void *unused)
 		return;
 
 	if (IS_ENABLED(CONFIG_SMM_TSEG)) {
-		mask = rdmsr(MSR_SMM_MASK);
+		mask = rdmsr(SMM_MASK_MSR);
 		mask.lo |= SMM_TSEG_VALID;
-		wrmsr(MSR_SMM_MASK, mask);
+		wrmsr(SMM_MASK_MSR, mask);
 	}
 
 	hwcr.lo |= SMM_LOCK;
diff --git a/src/soc/amd/stoneyridge/mca.c b/src/soc/amd/stoneyridge/mca.c
index df2b9611bfc6..13e626e397c1 100644
--- a/src/soc/amd/stoneyridge/mca.c
+++ b/src/soc/amd/stoneyridge/mca.c
@@ -133,11 +133,11 @@ static void build_bert_mca_error(struct mca_bank *mci)
 	if (!chk)
 		goto failed;
 
-	ctx = cper_new_ia32x64_context_msr(status, x86_sec, MCG_CAP, 3);
+	ctx = cper_new_ia32x64_context_msr(status, x86_sec, IA32_MCG_CAP, 3);
 	if (!ctx)
 		goto failed;
 	ctx = cper_new_ia32x64_context_msr(status, x86_sec,
-					MC0_CTL + (mci->bank * 4), 4);
+					IA32_MC0_CTL + (mci->bank * 4), 4);
 	if (!ctx)
 		goto failed;
 	ctx = cper_new_ia32x64_context_msr(status, x86_sec,
@@ -169,7 +169,7 @@ void check_mca(void)
 	struct mca_bank mci;
 	int num_banks;
 
-	cap = rdmsr(MCG_CAP);
+	cap = rdmsr(IA32_MCG_CAP);
 	num_banks = cap.lo & MCA_BANKS_MASK;
 
 	if (is_warm_reset()) {
@@ -177,7 +177,7 @@ void check_mca(void)
 			if (i == 3) /* Reserved in Family 15h */
 				continue;
 
-			mci.sts = rdmsr(MC0_STATUS + (i * 4));
+			mci.sts = rdmsr(IA32_MC0_STATUS + (i * 4));
 			if (mci.sts.hi || mci.sts.lo) {
 				int core = cpuid_ebx(1) >> 24;
 
@@ -192,7 +192,7 @@ void check_mca(void)
 				mci.misc = rdmsr(MC0_MISC + (i * 4));
 				printk(BIOS_WARNING, "   MC%d_MISC =     %08x_%08x\n",
 						i, mci.misc.hi, mci.misc.lo);
-				mci.ctl = rdmsr(MC0_CTL + (i * 4));
+				mci.ctl = rdmsr(IA32_MC0_CTL + (i * 4));
 				printk(BIOS_WARNING, "   MC%d_CTL =      %08x_%08x\n",
 						i, mci.ctl.hi, mci.ctl.lo);
 				mci.cmask = rdmsr(MC0_CTL_MASK + i);
@@ -211,5 +211,5 @@ void check_mca(void)
 	mci.sts.lo = 0;
 	mci.sts.hi = 0;
 	for (i = 0 ; i < num_banks ; i++)
-		wrmsr(MC0_STATUS + (i * 4), mci.sts);
+		wrmsr(IA32_MC0_STATUS + (i * 4), mci.sts);
 }
diff --git a/src/soc/amd/stoneyridge/northbridge.c b/src/soc/amd/stoneyridge/northbridge.c
index 95c2a073cbb6..a2ae52c09e86 100644
--- a/src/soc/amd/stoneyridge/northbridge.c
+++ b/src/soc/amd/stoneyridge/northbridge.c
@@ -26,6 +26,7 @@
 #include <cpu/cpu.h>
 #include <cpu/x86/lapic_def.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
diff --git a/src/soc/amd/stoneyridge/ramtop.c b/src/soc/amd/stoneyridge/ramtop.c
index 72db8ec7e19e..7439ab41a5c6 100644
--- a/src/soc/amd/stoneyridge/ramtop.c
+++ b/src/soc/amd/stoneyridge/ramtop.c
@@ -19,8 +19,8 @@
 #include <stdint.h>
 #include <arch/io.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
-#include <cpu/amd/amdfam15.h>
 #include <cbmem.h>
 #include <stage_cache.h>
 #include <arch/bert_storage.h>
@@ -102,7 +102,7 @@ void smm_region_info(void **start, size_t *size)
 static void clear_tvalid(void)
 {
 	msr_t hwcr = rdmsr(HWCR_MSR);
-	msr_t mask = rdmsr(MSR_SMM_MASK);
+	msr_t mask = rdmsr(SMM_MASK_MSR);
 	int tvalid = !!(mask.lo & SMM_TSEG_VALID);
 
 	if (hwcr.lo & SMM_LOCK) {
@@ -114,7 +114,7 @@ static void clear_tvalid(void)
 	}
 
 	mask.lo &= ~SMM_TSEG_VALID;
-	wrmsr(MSR_SMM_MASK, mask);
+	wrmsr(SMM_MASK_MSR, mask);
 }
 
 int smm_subregion(int sub, void **start, size_t *size)
diff --git a/src/soc/amd/stoneyridge/tsc_freq.c b/src/soc/amd/stoneyridge/tsc_freq.c
index a8ed7c6a4c76..89b0a7866e28 100644
--- a/src/soc/amd/stoneyridge/tsc_freq.c
+++ b/src/soc/amd/stoneyridge/tsc_freq.c
@@ -17,8 +17,8 @@
 
 #include <arch/io.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/x86/tsc.h>
-#include <cpu/amd/amdfam15.h>
 #include <console/console.h>
 #include <soc/pci_devs.h>
 #include <device/pci_ops.h>
diff --git a/src/southbridge/amd/rs780/early_setup.c b/src/southbridge/amd/rs780/early_setup.c
index ab75e5f57ffc..865b577279af 100644
--- a/src/southbridge/amd/rs780/early_setup.c
+++ b/src/southbridge/amd/rs780/early_setup.c
@@ -18,6 +18,7 @@
 #include <northbridge/amd/amdmct/mct/mct_d.h>
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 
 #include "rev.h"
 #include "rs780.h"
@@ -317,10 +318,10 @@ static void k8_optimization(void)
 	set_nbcfg_enable_bits(k8_f2, 0xA0, 3 << 2, 3 << 2);
 	set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5);
 
-	msr = rdmsr(0xC001001F);
+	msr = rdmsr(NB_CFG_MSR);
 	msr.lo &= ~(1 << 9);
 	msr.hi &= ~(1 << 4);
-	wrmsr(0xC001001F, msr);
+	wrmsr(NB_CFG_MSR, msr);
 }
 #else
 #define k8_optimization() do {} while (0)
diff --git a/src/southbridge/amd/sr5650/early_setup.c b/src/southbridge/amd/sr5650/early_setup.c
index 96adfb5bdd29..543cb0efbf54 100644
--- a/src/southbridge/amd/sr5650/early_setup.c
+++ b/src/southbridge/amd/sr5650/early_setup.c
@@ -20,6 +20,7 @@
 #include <arch/io.h>
 #include <console/console.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <option.h>
 #include <reset.h>
 #include "sr5650.h"
@@ -309,9 +310,9 @@ void fam10_optimization(void)
 		return;
 
 	printk(BIOS_INFO, "fam10_optimization()\n");
-	msr = rdmsr(0xC001001F);
+	msr = rdmsr(NB_CFG_MSR);
 	msr.hi |= 1 << 14;	/* bit 46: EnableCf8ExtCfg */
-	wrmsr(0xC001001F, msr);
+	wrmsr(NB_CFG_MSR, msr);
 
 	cpu_f0 = PCI_DEV(0, 0x18, 0);
 	cpu_f2 = PCI_DEV(0, 0x18, 2);
diff --git a/src/southbridge/amd/sr5650/sr5650.c b/src/southbridge/amd/sr5650/sr5650.c
index 1c2fe48407ee..1e85c4898605 100644
--- a/src/southbridge/amd/sr5650/sr5650.c
+++ b/src/southbridge/amd/sr5650/sr5650.c
@@ -22,6 +22,7 @@
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <stdlib.h>
 #include <delay.h>
@@ -40,7 +41,7 @@ struct resource *sr5650_retrieve_cpu_mmio_resource()
 	for (domain = all_devices; domain; domain = domain->next) {
 		if (domain->bus->dev->path.type != DEVICE_PATH_DOMAIN)
 			continue;
-		res = probe_resource(domain->bus->dev, 0xc0010058);
+		res = probe_resource(domain->bus->dev, MMIO_CONF_BASE);
 		if (res)
 			return res;
 	}