[coreboot-gerrit] Patch set updated for coreboot: northbridge/amd/amdmct/mct_ddr3: Fix RDIMM errors due to undefined number of slots
Timothy Pearson (tpearson@raptorengineeringinc.com)
gerrit at coreboot.org
Sun Oct 18 04:26:35 CEST 2015
Timothy Pearson (tpearson at raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12016
-gerrit
commit 67bafc3b48532c74ce768e304ccf27ebb3d8e3b4
Author: Timothy Pearson <tpearson at raptorengineeringinc.com>
Date: Sat Jul 25 01:23:17 2015 -0500
northbridge/amd/amdmct/mct_ddr3: Fix RDIMM errors due to undefined number of slots
Change-Id: I488511d6262ffa8207c442d133314aed0f75acfb
Signed-off-by: Timothy Pearson <tpearson at raptorengineeringinc.com>
---
src/northbridge/amd/amdmct/mct/mct_d.h | 2 ++
src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 40 ++++++++------------------
src/northbridge/amd/amdmct/mct_ddr3/mct_d.h | 2 ++
src/northbridge/amd/amdmct/mct_ddr3/mctproc.c | 6 +---
src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c | 12 ++------
src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c | 6 +---
src/northbridge/amd/amdmct/mct_ddr3/mctwl.c | 2 --
src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c | 24 ++++++----------
src/northbridge/amd/amdmct/mct_ddr3/modtrdim.c | 11 +++----
src/northbridge/amd/amdmct/mct_ddr3/mwlc_d.h | 4 ---
src/northbridge/amd/amdmct/wrappers/mcti_d.c | 7 +++++
11 files changed, 41 insertions(+), 75 deletions(-)
diff --git a/src/northbridge/amd/amdmct/mct/mct_d.h b/src/northbridge/amd/amdmct/mct/mct_d.h
index 7569300..296f3f0 100644
--- a/src/northbridge/amd/amdmct/mct/mct_d.h
+++ b/src/northbridge/amd/amdmct/mct/mct_d.h
@@ -691,6 +691,8 @@ struct DCTStatStruc { /* A per Node structure*/
xx0b = disable
yy1b = enable with DctSelIntLvAddr set to yyb */
+#define NV_MAX_DIMMS_PER_CH 64 /* Maximum number of DIMMs per channel */
+
/*===============================================================================
CBMEM storage
===============================================================================*/
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
index be8d43d..48a5641 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
@@ -803,11 +803,7 @@ static uint32_t fam15h_phy_predriver_clk_calibration_code(struct DCTStatStruc *p
static uint32_t fam15h_output_driver_compensation_code(struct DCTStatStruc *pDCTstat, uint8_t dct)
{
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
uint8_t package_type;
uint32_t calibration_code = 0;
@@ -877,7 +873,7 @@ static uint32_t fam15h_output_driver_compensation_code(struct DCTStatStruc *pDCT
/* 2 DIMMs detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
rank_count_dimm1 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if (MemClkFreq == 0x4) {
/* DDR3-667 */
calibration_code = 0x10222222;
@@ -945,7 +941,7 @@ static uint32_t fam15h_output_driver_compensation_code(struct DCTStatStruc *pDCT
/* 2 DIMMs detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
rank_count_dimm1 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if (MemClkFreq == 0x4) {
/* DDR3-667 */
calibration_code = 0x10222222;
@@ -983,11 +979,7 @@ static uint32_t fam15h_output_driver_compensation_code(struct DCTStatStruc *pDCT
static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDCTstat, uint8_t dct)
{
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
uint8_t package_type;
uint32_t calibration_code = 0;
@@ -1066,7 +1058,7 @@ static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDC
/* Fam15h BKDG Rev. 3.14 section 2.10.5.3.4 Table 73 */
if (MaxDimmsInstallable == 1) {
rank_count_dimm0 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if (MemClkFreq == 0x4) {
/* DDR3-667 */
if (rank_count_dimm0 == 1)
@@ -1099,7 +1091,7 @@ static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDC
if (dimm_count == 1) {
/* 1 DIMM detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if (MemClkFreq == 0x4) {
/* DDR3-667 */
if (rank_count_dimm0 == 1)
@@ -1129,7 +1121,7 @@ static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDC
/* 2 DIMMs detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
rank_count_dimm1 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if (MemClkFreq == 0x4) {
/* DDR3-667 */
calibration_code = 0x00390039;
@@ -1165,11 +1157,7 @@ static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDC
static uint8_t fam15h_slow_access_mode(struct DCTStatStruc *pDCTstat, uint8_t dct)
{
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
uint8_t package_type;
uint32_t slow_access = 0;
@@ -1197,7 +1185,7 @@ static uint8_t fam15h_slow_access_mode(struct DCTStatStruc *pDCTstat, uint8_t dc
/* Fam15h BKDG Rev. 3.14 section 2.10.5.3.4 Table 73 */
if (MaxDimmsInstallable == 1) {
rank_count_dimm0 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if ((MemClkFreq == 0x4) || (MemClkFreq == 0x6)
|| (MemClkFreq == 0xa) | (MemClkFreq == 0xe)) {
/* DDR3-667 - DDR3-1333 */
@@ -1213,7 +1201,7 @@ static uint8_t fam15h_slow_access_mode(struct DCTStatStruc *pDCTstat, uint8_t dc
if (dimm_count == 1) {
/* 1 DIMM detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if ((MemClkFreq == 0x4) || (MemClkFreq == 0x6)
|| (MemClkFreq == 0xa) | (MemClkFreq == 0xe)) {
/* DDR3-667 - DDR3-1333 */
@@ -1229,7 +1217,7 @@ static uint8_t fam15h_slow_access_mode(struct DCTStatStruc *pDCTstat, uint8_t dc
/* 2 DIMMs detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
rank_count_dimm1 = pDCTstat->DimmRanks[(1 * 2) + dct];
-
+
if ((MemClkFreq == 0x4) || (MemClkFreq == 0x6)
|| (MemClkFreq == 0xa)) {
/* DDR3-667 - DDR3-1066 */
@@ -5869,11 +5857,7 @@ static void mct_ProgramODT_D(struct MCTStatStruc *pMCTstat,
printk(BIOS_DEBUG, "%s: Start\n", __func__);
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
if (is_fam15h()) {
/* Obtain number of DIMMs on channel */
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h
index 7bc392b..6b5d8c1 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h
@@ -957,6 +957,8 @@ struct amd_s3_persistent_data {
xx0b = disable
yy1b = enable with DctSelIntLvAddr set to yyb */
+#define NV_MAX_DIMMS_PER_CH 64 /* Maximum number of DIMMs per channel */
+
/*===============================================================================
CBMEM storage
===============================================================================*/
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctproc.c b/src/northbridge/amd/amdmct/mct_ddr3/mctproc.c
index 32b447f..738304e 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctproc.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctproc.c
@@ -23,11 +23,7 @@ u32 mct_SetDramConfigMisc2(struct DCTStatStruc *pDCTstat, u8 dct, u32 misc2)
{
u32 val;
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
if (pDCTstat->LogicalCPUID & AMD_FAM15_ALL) {
uint8_t cs_mux_45;
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c
index dfbd2d9..6a2c2a7 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c
@@ -51,11 +51,7 @@ static uint8_t fam15_rttwr(struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t d
else
frequency_index = Get_NB32_DCT(pDCTstat->dev_dct, dct, 0x94) & 0x7;
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
if (is_fam15h()) {
if (pDCTstat->Status & (1 << SB_LoadReduced)) {
@@ -184,11 +180,7 @@ static uint8_t fam15_rttnom(struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t
else
frequency_index = Get_NB32_DCT(pDCTstat->dev_dct, dct, 0x94) & 0x7;
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
if (is_fam15h()) {
if (pDCTstat->Status & (1 << SB_LoadReduced)) {
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
index 1d41aa4..3655e84 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
@@ -105,11 +105,7 @@ static uint16_t fam15_receiver_enable_training_seed(struct DCTStatStruc *pDCTsta
uint32_t dword;
uint16_t seed = 0;
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
uint8_t channel = dct;
if (package_type == PT_GR) {
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c b/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
index 0ff4484..6b63ba0 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
@@ -31,8 +31,6 @@ void PrepareC_MCT(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat)
{
pDCTstat->C_MCTPtr->AgesaDelay = AgesaDelay;
- pDCTstat->C_MCTPtr->PlatMaxTotalDimms = mctGet_NVbits(NV_MAX_DIMMS);
- pDCTstat->C_MCTPtr->PlatMaxDimmsDct = pDCTstat->C_MCTPtr->PlatMaxTotalDimms >> 1;
}
void PrepareC_DCT(struct MCTStatStruc *pMCTstat,
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c
index 9c18d12..26e1374 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c
@@ -191,7 +191,7 @@ uint8_t AgesaHwWlPhase2(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCT
uint8_t index = (uint8_t)(MAX_BYTE_LANES * dimm);
/* Calculate the Critical Gross Delay */
- for (ByteLane = 0; ByteLane < MAX_BYTE_LANES; ByteLane++) {
+ for (ByteLane = 0; ByteLane < MAX_BYTE_LANES; ByteLane++) {
/* Calculate the gross delay differential for this lane */
gross_diff[ByteLane] = pDCTData->WLSeedGrossDelay[index+ByteLane] + pDCTData->WLGrossDelay[index+ByteLane];
gross_diff[ByteLane] -= pDCTData->WLSeedPreGrossDelay[index+ByteLane];
@@ -419,11 +419,7 @@ static uint16_t unbuffered_dimm_nominal_termination_emrs(uint8_t number_of_dimms
{
uint16_t term;
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
if (number_of_dimms == 1) {
if (MaxDimmsInstallable < 3) {
@@ -452,11 +448,7 @@ static uint16_t unbuffered_dimm_dynamic_termination_emrs(uint8_t number_of_dimms
{
uint16_t term;
- /* FIXME
- * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
- * For now assume a maximum of 2 DIMMs per channel can be installed
- */
- uint8_t MaxDimmsInstallable = 2;
+ uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
if (number_of_dimms == 1) {
if (MaxDimmsInstallable < 3) {
@@ -574,8 +566,8 @@ void prepareDimms(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat,
if (number_of_dimms > 1) {
if (rank == 0) {
/* Get Rtt_WR for the current DIMM and rank */
- uint16_t dynamic_term = unbuffered_dimm_dynamic_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[currDimm]);
-
+ uint16_t dynamic_term = unbuffered_dimm_dynamic_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[dimm]);
+
/* Convert dynamic termination code to corresponding nominal termination code */
if (dynamic_term == 0x200)
tempW1 = 0x04;
@@ -584,13 +576,13 @@ void prepareDimms(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat,
else
tempW1 = 0x0;
} else {
- tempW1 = unbuffered_dimm_nominal_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[currDimm], rank);
+ tempW1 = unbuffered_dimm_nominal_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[dimm], rank);
}
} else {
- tempW1 = unbuffered_dimm_nominal_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[currDimm], rank);
+ tempW1 = unbuffered_dimm_nominal_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[dimm], rank);
}
} else {
- tempW1 = unbuffered_dimm_nominal_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[currDimm], rank);
+ tempW1 = unbuffered_dimm_nominal_termination_emrs(pDCTData->MaxDimmsInstalled, MemClkFreq, pDCTData->DimmRanks[dimm], rank);
}
}
}
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/modtrdim.c b/src/northbridge/amd/amdmct/mct_ddr3/modtrdim.c
index c92143c..bb4c3c0 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/modtrdim.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/modtrdim.c
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2015 Timothy Pearson <tpearson at raptorengineeringinc.com>, Raptor Engineering
*
* 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
@@ -57,7 +58,7 @@ static u32 RttNomTargetRegDimm (sMCTStruct *pMCTData, sDCTStruct *pDCTData, u8 d
u32 tempW1;
tempW1 = 0;
if (wl) {
- switch (pMCTData->PlatMaxDimmsDct) {
+ switch (mctGet_NVbits(NV_MAX_DIMMS_PER_CH)) {
case 2:
/* 2 dimms per channel */
if (pDCTData->MaxDimmsInstalled == 1) {
@@ -111,7 +112,7 @@ static u32 RttNomTargetRegDimm (sMCTStruct *pMCTData, sDCTStruct *pDCTData, u8 d
ASSERT (FALSE);
}
} else {
- switch (pMCTData->PlatMaxDimmsDct) {
+ switch (mctGet_NVbits(NV_MAX_DIMMS_PER_CH)) {
case 2:
/* 2 dimms per channel */
if ((pDCTData->DimmRanks[dimm] == 4) && (rank == 1)) {
@@ -167,7 +168,7 @@ static u32 RttNomTargetRegDimm (sMCTStruct *pMCTData, sDCTStruct *pDCTData, u8 d
*/
static u32 RttNomNonTargetRegDimm (sMCTStruct *pMCTData, sDCTStruct *pDCTData, u8 dimm, BOOL wl, u8 MemClkFreq, u8 rank)
{
- if ((wl) && (pMCTData->PlatMaxDimmsDct == 2) && (pDCTData->DimmRanks[dimm] == 2) && (rank == 1)) {
+ if ((wl) && (mctGet_NVbits(NV_MAX_DIMMS_PER_CH) == 2) && (pDCTData->DimmRanks[dimm] == 2) && (rank == 1)) {
return 0x00; /* for non-target dimm during WL, the second rank of a DR dimm need to have Rtt_Nom = OFF */
} else {
return RttNomTargetRegDimm (pMCTData, pDCTData, dimm, FALSE, MemClkFreq, rank); /* otherwise, the same as target dimm in normal mode. */
@@ -197,7 +198,7 @@ static u32 RttWrRegDimm (sMCTStruct *pMCTData, sDCTStruct *pDCTData, u8 dimm, BO
if (wl) {
tempW1 = 0x00; /* Rtt_WR = OFF */
} else {
- switch (pMCTData->PlatMaxDimmsDct) {
+ switch (mctGet_NVbits(NV_MAX_DIMMS_PER_CH)) {
case 2:
if (pDCTData->MaxDimmsInstalled == 1) {
if (pDCTData->DimmRanks[dimm] != 4) {
@@ -262,7 +263,7 @@ static u8 WrLvOdtRegDimm (sMCTStruct *pMCTData, sDCTStruct *pDCTData, u8 dimm)
}
i += 2;
}
- if (pMCTData->PlatMaxDimmsDct == 2) {
+ if (mctGet_NVbits(NV_MAX_DIMMS_PER_CH) == 2) {
if ((pDCTData->DimmRanks[dimm] == 4) && (pDCTData->MaxDimmsInstalled != 1)) {
if (dimm >= 2) {
WrLvOdt1 = (u8)bitTestReset (WrLvOdt1, (dimm - 2));
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mwlc_d.h b/src/northbridge/amd/amdmct/mct_ddr3/mwlc_d.h
index 162340e..12e7c4a 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mwlc_d.h
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mwlc_d.h
@@ -109,10 +109,6 @@
typedef struct _sMCTStruct
{
- u8 PlatMaxTotalDimms; /* IBV defined total number of DIMMs */
- /* on a particular node */
- u8 PlatMaxDimmsDct; /* IBV defined maximum number of */
- /* DIMMs on a DCT */
void (*AgesaDelay)(u32 delayval); /* IBV defined Delay Function */
} sMCTStruct;
diff --git a/src/northbridge/amd/amdmct/wrappers/mcti_d.c b/src/northbridge/amd/amdmct/wrappers/mcti_d.c
index ce2329d..28d298f 100644
--- a/src/northbridge/amd/amdmct/wrappers/mcti_d.c
+++ b/src/northbridge/amd/amdmct/wrappers/mcti_d.c
@@ -74,6 +74,13 @@ static u16 mctGet_NVbits(u8 index)
val = MAX_DIMMS_SUPPORTED;
//val = 8;
break;
+ case NV_MAX_DIMMS_PER_CH:
+ /* FIXME
+ * Mainboards need to be able to specify the maximum number of DIMMs installable per channel
+ * For now assume a maximum of 2 DIMMs per channel can be installed
+ */
+ val = 2;
+ break;
case NV_MAX_MEMCLK:
/* Maximum platform supported memclk */
val = MEM_MAX_LOAD_FREQ;
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