diff --git a/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspmUpd.h b/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspmUpd.h
index dded50d383..876c9d264c 100644
--- a/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspmUpd.h
+++ b/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspmUpd.h
@@ -917,10 +917,9 @@ typedef struct {
 **/
   UINT8                       CoreVoltageMode;
 
-/** Offset 0x0207 - Minimum clr turbo ratio override
-  Minimum clr turbo ratio override. <b>0: Hardware defaults.</b> Range: 0-83
+/** Offset 0x0207
 **/
-  UINT8                       RingMinOcRatio;
+  UINT8                       UnusedUpdSpace6;
 
 /** Offset 0x0208 - Maximum clr turbo ratio override
   Maximum clr turbo ratio override allows to increase CPU clr frequency beyond the
@@ -1075,7 +1074,7 @@ typedef struct {
 
 /** Offset 0x0227
 **/
-  UINT8                       UnusedUpdSpace6;
+  UINT8                       UnusedUpdSpace7;
 
 /** Offset 0x0228 - PrmrrSize
   0=Invalid, 32MB=0x2000000, 64MB=0x4000000, 128MB=0x8000000, 256MB=0x10000000
@@ -1853,7 +1852,7 @@ typedef struct {
 
 /** Offset 0x04C7
 **/
-  UINT8                       UnusedUpdSpace7;
+  UINT8                       UnusedUpdSpace8;
 
 /** Offset 0x04C8 - RAPL PL 2 Power
   range[0;2^14-1]= [2047.875;0]in W, (224= Def)
@@ -2481,7 +2480,7 @@ typedef struct {
 
 /** Offset 0x0579
 **/
-  UINT8                       UnusedUpdSpace8;
+  UINT8                       UnusedUpdSpace9;
 
 /** Offset 0x057A - Jitter Dwell Time for PCIe Gen3 Software Equalization
   Range: 0-65535, default is 1000. @warning Do not change from the default
diff --git a/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspsUpd.h b/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspsUpd.h
index 2a2412d8ff..17b9f92b4e 100644
--- a/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspsUpd.h
+++ b/src/vendorcode/intel/fsp/fsp2_0/cannonlake/FspsUpd.h
@@ -975,46 +975,52 @@ typedef struct {
   PCODE MMIO Mailbox: Adjust the RFI frequency relative to the nominal frequency in
   increments of 100KHz. For subtraction, change McivrRfiFrequencyPrefix. <b>0: Auto</b>.
 **/
-  UINT16                      McivrRfiFrequencyAdjust;
+  UINT8                       McivrRfiFrequencyAdjust;
 
-/** Offset 0x0310 - FIVR RFI Frequency
+/** Offset 0x030F - FIVR RFI Frequency
   PCODE MMIO Mailbox: Set the desired RFI frequency, in increments of 100KHz. <b>0:
   Auto</b>. Range varies based on XTAL clock: 0-1918 (Up to 191.8HMz) for 24MHz clock;
   0-1535 (Up to 153.5MHz) for 19MHz clock.
 **/
   UINT16                      FivrRfiFrequency;
 
-/** Offset 0x0312 - McIVR RFI Spread Spectrum
+/** Offset 0x0311 - McIVR RFI Spread Spectrum
   PCODE MMIO Mailbox: McIVR RFI Spread Spectrum. <b>0: 0%</b>; 1: +/- 0.5%; 2: +/-
   1%; 3: +/- 1.5%; 4: +/- 2%; 5: +/- 3%; 6: +/- 4%; 7: +/- 5%; 8: +/- 6%.
 **/
   UINT8                       McivrSpreadSpectrum;
 
-/** Offset 0x0313 - FIVR RFI Spread Spectrum
+/** Offset 0x0312 - FIVR RFI Spread Spectrum
   PCODE MMIO Mailbox: FIVR RFI Spread Spectrum, in 0.1% increments. <b>0: 0%</b>;
   Range: 0.0% to 10.0% (0-100).
 **/
   UINT8                       FivrSpreadSpectrum;
 
-/** Offset 0x0314 - Disable Fast Slew Rate for Deep Package C States for VR FIVR domain
+/** Offset 0x0313 - Disable Fast Slew Rate for Deep Package C States for VR FIVR domain
   Disable Fast Slew Rate for Deep Package C States based on Acoustic Noise Mitigation
   feature enabled. <b>0: False</b>; 1: True
   $EN_DIS
 **/
   UINT8                       FastPkgCRampDisableFivr;
 
-/** Offset 0x0315 - Slew Rate configuration for Deep Package C States for VR FIVR domain
+/** Offset 0x0314 - Slew Rate configuration for Deep Package C States for VR FIVR domain
   Slew Rate configuration for Deep Package C States for VR FIVR domain based on Acoustic
   Noise Mitigation feature enabled. <b>0: Fast/2</b>; 1: Fast/4; 2: Fast/8; 3: Fast/16
   0: Fast/2, 1: Fast/4, 2: Fast/8, 3: Fast/16
 **/
   UINT8                       SlowSlewRateForFivr;
 
-/** Offset 0x0316 - CpuBistData
+/** Offset 0x0315 - CpuBistData
   Pointer CPU BIST Data
 **/
   UINT32                      CpuBistData;
 
+/** Offset 0x0319 - Activates VR mailbox command for Intersil VR C-state issues.
+  Intersil VR mailbox command. <b>0 - no mailbox command sent.</b>  1 - VR mailbox
+  command sent for IA/GT rails only. 2 - VR mailbox command sent for IA/GT/SA rails.
+**/
+  UINT8                       IslVrCmd;
+
 /** Offset 0x031A - ReservedCpuPostMemProduction
   Reserved for CPU Post-Mem Production
   $EN_DIS
@@ -2935,11 +2941,23 @@ typedef struct {
 **/
   UINT8                       CpuWakeUpTimer;
 
-/** Offset 0x08A3 - ReservedCpuPostMemTest
+/** Offset 0x08A3 - Minimum Ring ratio limit override
+  Minimum Ring ratio limit override. <b>0: Hardware defaults.</b> Range: 0 - Max turbo
+  ratio limit
+**/
+  UINT8                       MinRingRatioLimit;
+
+/** Offset 0x08A4 - Minimum Ring ratio limit override
+  Maximum Ring ratio limit override. <b>0: Hardware defaults.</b> Range: 0 - Max turbo
+  ratio limit
+**/
+  UINT8                       MaxRingRatioLimit;
+
+/** Offset 0x08A5 - ReservedCpuPostMemTest
   Reserved for CPU Post-Mem Test
   $EN_DIS
 **/
-  UINT8                       ReservedCpuPostMemTest[23];
+  UINT8                       ReservedCpuPostMemTest[21];
 
 /** Offset 0x08BA - SgxSinitDataFromTpm
   SgxSinitDataFromTpm default values
diff --git a/src/vendorcode/intel/fsp/fsp2_0/cannonlake/MemInfoHob.h b/src/vendorcode/intel/fsp/fsp2_0/cannonlake/MemInfoHob.h
index 24f0883588..665e5a090a 100644
--- a/src/vendorcode/intel/fsp/fsp2_0/cannonlake/MemInfoHob.h
+++ b/src/vendorcode/intel/fsp/fsp2_0/cannonlake/MemInfoHob.h
@@ -142,9 +142,15 @@ typedef struct {
 #ifndef MRC_DDR_TYPE_LPDDR3
 #define MRC_DDR_TYPE_LPDDR3   2
 #endif
+#ifndef CPU_CFL//CNL
+#ifndef MRC_DDR_TYPE_LPDDR4
+#define MRC_DDR_TYPE_LPDDR4   3
+#endif
+#else//CFL
 #ifndef MRC_DDR_TYPE_UNKNOWN
 #define MRC_DDR_TYPE_UNKNOWN  3
 #endif
+#endif//CPU_CFL-endif
 
 #define MAX_PROFILE_NUM     4 // number of memory profiles supported
 #define MAX_XMP_PROFILE_NUM 2 // number of XMP profiles supported