amd/mct/ddr2|ddr3: Refactor persistent members of DCTStatStruc

Several members of DCTStatStruc are designed to persist across resets of
all other members.  Move the persistent members into a substructure in
order to simplify the reset logic and avoid compiler warnings / UB.

Change-Id: I1139b7b3b167d33d99619338d42fcd26e2581a5d
Signed-off-by: Timothy Pearson <tpearson@raptorengineering.com>
Reviewed-on: https://review.coreboot.org/18058
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Timothy Pearson 2017-01-08 14:00:48 -06:00 committed by Martin Roth
parent 8c42424ec1
commit a4dcdca7ba
12 changed files with 81 additions and 97 deletions

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@ -1,7 +1,7 @@
/* /*
* This file is part of the coreboot project. * This file is part of the coreboot project.
* *
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * Copyright (C) 2015-2017 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
* Copyright (C) 2007-2008 Advanced Micro Devices, Inc. * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
@ -35,6 +35,8 @@
#include "mct_d.h" #include "mct_d.h"
#include <string.h>
static u8 ReconfigureDIMMspare_D(struct MCTStatStruc *pMCTstat, static u8 ReconfigureDIMMspare_D(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstatA); struct DCTStatStruc *pDCTstatA);
static void DQSTiming_D(struct MCTStatStruc *pMCTstat, static void DQSTiming_D(struct MCTStatStruc *pMCTstat,
@ -459,7 +461,7 @@ static void LoadDQSSigTmgRegs_D(struct MCTStatStruc *pMCTstat,
} }
} }
for (Dir = 0; Dir < 2; Dir++) {//RD/WR for (Dir = 0; Dir < 2; Dir++) {//RD/WR
p = pDCTstat->CH_D_DIR_B_DQS[Channel][DIMM][Dir]; p = pDCTstat->persistentData.CH_D_DIR_B_DQS[Channel][DIMM][Dir];
val = stream_to_int(p); /* CHA Read Data Timing High */ val = stream_to_int(p); /* CHA Read Data Timing High */
Set_NB32_index_wait(dev, index_reg, index+1, val); Set_NB32_index_wait(dev, index_reg, index+1, val);
val = stream_to_int(p+4); /* CHA Write Data Timing High */ val = stream_to_int(p+4); /* CHA Write Data Timing High */
@ -3598,37 +3600,16 @@ static void mct_ResetDataStruct_D(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstatA) struct DCTStatStruc *pDCTstatA)
{ {
u8 Node; u8 Node;
u32 i;
struct DCTStatStruc *pDCTstat; struct DCTStatStruc *pDCTstat;
u32 start, stop;
u8 *p;
u16 host_serv1, host_serv2;
/* Initialize Data structures by clearing all entries to 0 */ /* Initialize Data structures by clearing all entries to 0 */
p = (u8 *) pMCTstat; memset(pMCTstat, 0x00, sizeof(*pMCTstat));
for (i = 0; i < sizeof(struct MCTStatStruc); i++) {
p[i] = 0;
}
for (Node = 0; Node < 8; Node++) { for (Node = 0; Node < 8; Node++) {
pDCTstat = pDCTstatA + Node; pDCTstat = pDCTstatA + Node;
host_serv1 = pDCTstat->HostBiosSrvc1;
host_serv2 = pDCTstat->HostBiosSrvc2;
p = (u8 *) pDCTstat; /* Clear all entries except persistentData */
start = 0; memset(pDCTstat, 0x00, sizeof(*pDCTstat) - sizeof(pDCTstat->persistentData));
stop = (u32)(&((struct DCTStatStruc *)0)->CH_MaxRdLat[2]);
for (i = start; i < stop; i++) {
p[i] = 0;
}
start = (u32)(&((struct DCTStatStruc *)0)->CH_D_BC_RCVRDLY[2][4]);
stop = sizeof(struct DCTStatStruc);
for (i = start; i < stop; i++) {
p[i] = 0;
}
pDCTstat->HostBiosSrvc1 = host_serv1;
pDCTstat->HostBiosSrvc2 = host_serv2;
} }
} }

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@ -1,7 +1,7 @@
/* /*
* This file is part of the coreboot project. * This file is part of the coreboot project.
* *
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * Copyright (C) 2015-2017 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
* Copyright (C) 2007-2008 Advanced Micro Devices, Inc. * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
@ -296,6 +296,34 @@ struct MCTStatStruc {
Local DCT Status structure (a structure for each DCT) Local DCT Status structure (a structure for each DCT)
===============================================================================*/ ===============================================================================*/
struct DCTPersistentStatStruc {
u8 CH_D_DIR_B_DQS[2][4][2][9]; /* [A/B] [DIMM1-4] [R/W] [DQS] */
/* CHA DIMM0 Byte 0 - 7 and Check Write DQS Delay*/
/* CHA DIMM0 Byte 0 - 7 and Check Read DQS Delay*/
/* CHA DIMM1 Byte 0 - 7 and Check Write DQS Delay*/
/* CHA DIMM1 Byte 0 - 7 and Check Read DQS Delay*/
/* CHB DIMM0 Byte 0 - 7 and Check Write DQS Delay*/
/* CHB DIMM0 Byte 0 - 7 and Check Read DQS Delay*/
/* CHB DIMM1 Byte 0 - 7 and Check Write DQS Delay*/
/* CHB DIMM1 Byte 0 - 7 and Check Read DQS Delay*/
u8 CH_D_B_RCVRDLY[2][4][8]; /* [A/B] [DIMM0-3] [DQS] */
/* CHA DIMM 0 Receiver Enable Delay*/
/* CHA DIMM 1 Receiver Enable Delay*/
/* CHA DIMM 2 Receiver Enable Delay*/
/* CHA DIMM 3 Receiver Enable Delay*/
/* CHB DIMM 0 Receiver Enable Delay*/
/* CHB DIMM 1 Receiver Enable Delay*/
/* CHB DIMM 2 Receiver Enable Delay*/
/* CHB DIMM 3 Receiver Enable Delay*/
u8 CH_D_BC_RCVRDLY[2][4];
/* CHA DIMM 0 - 4 Check Byte Receiver Enable Delay*/
/* CHB DIMM 0 - 4 Check Byte Receiver Enable Delay*/
u16 HostBiosSrvc1; /* Word sized general purpose field for use by host BIOS. Scratch space.*/
u32 HostBiosSrvc2; /* Dword sized general purpose field for use by host BIOS. Scratch space.*/
} __attribute__((packed));
struct DCTStatStruc { /* A per Node structure*/ struct DCTStatStruc { /* A per Node structure*/
/* DCTStatStruct_F - start */ /* DCTStatStruct_F - start */
u8 Node_ID; /* Node ID of current controller*/ u8 Node_ID; /* Node ID of current controller*/
@ -445,8 +473,6 @@ struct DCTStatStruc { /* A per Node structure*/
/* CH B byte lane 0 - 7 minimum filtered window passing DQS delay value*/ /* CH B byte lane 0 - 7 minimum filtered window passing DQS delay value*/
/* CH B byte lane 0 - 7 maximum filtered window passing DQS delay value*/ /* CH B byte lane 0 - 7 maximum filtered window passing DQS delay value*/
uint64_t LogicalCPUID; /* The logical CPUID of the node*/ uint64_t LogicalCPUID; /* The logical CPUID of the node*/
u16 HostBiosSrvc1; /* Word sized general purpose field for use by host BIOS. Scratch space.*/
u32 HostBiosSrvc2; /* Dword sized general purpose field for use by host BIOS. Scratch space.*/
u16 DimmQRPresent; /* QuadRank DIMM present?*/ u16 DimmQRPresent; /* QuadRank DIMM present?*/
u16 DimmTrainFail; /* Bitmap showing which dimms failed training*/ u16 DimmTrainFail; /* Bitmap showing which dimms failed training*/
u16 CSTrainFail; /* Bitmap showing which chipselects failed training*/ u16 CSTrainFail; /* Bitmap showing which chipselects failed training*/
@ -462,28 +488,6 @@ struct DCTStatStruc { /* A per Node structure*/
u16 CH_MaxRdLat[2]; /* Max Read Latency (ns) for DCT 0*/ u16 CH_MaxRdLat[2]; /* Max Read Latency (ns) for DCT 0*/
/* Max Read Latency (ns) for DCT 1*/ /* Max Read Latency (ns) for DCT 1*/
u8 CH_D_DIR_B_DQS[2][4][2][9]; /* [A/B] [DIMM1-4] [R/W] [DQS] */
/* CHA DIMM0 Byte 0 - 7 and Check Write DQS Delay*/
/* CHA DIMM0 Byte 0 - 7 and Check Read DQS Delay*/
/* CHA DIMM1 Byte 0 - 7 and Check Write DQS Delay*/
/* CHA DIMM1 Byte 0 - 7 and Check Read DQS Delay*/
/* CHB DIMM0 Byte 0 - 7 and Check Write DQS Delay*/
/* CHB DIMM0 Byte 0 - 7 and Check Read DQS Delay*/
/* CHB DIMM1 Byte 0 - 7 and Check Write DQS Delay*/
/* CHB DIMM1 Byte 0 - 7 and Check Read DQS Delay*/
u8 CH_D_B_RCVRDLY[2][4][8]; /* [A/B] [DIMM0-3] [DQS] */
/* CHA DIMM 0 Receiver Enable Delay*/
/* CHA DIMM 1 Receiver Enable Delay*/
/* CHA DIMM 2 Receiver Enable Delay*/
/* CHA DIMM 3 Receiver Enable Delay*/
/* CHB DIMM 0 Receiver Enable Delay*/
/* CHB DIMM 1 Receiver Enable Delay*/
/* CHB DIMM 2 Receiver Enable Delay*/
/* CHB DIMM 3 Receiver Enable Delay*/
u8 CH_D_BC_RCVRDLY[2][4];
/* CHA DIMM 0 - 4 Check Byte Receiver Enable Delay*/
/* CHB DIMM 0 - 4 Check Byte Receiver Enable Delay*/
u8 DIMMValidDCT[2]; /* DIMM# in DCT0*/ u8 DIMMValidDCT[2]; /* DIMM# in DCT0*/
/* DIMM# in DCT1*/ /* DIMM# in DCT1*/
u8 MaxDCTs; /* Max number of DCTs in system*/ u8 MaxDCTs; /* Max number of DCTs in system*/
@ -542,6 +546,9 @@ struct DCTStatStruc { /* A per Node structure*/
char DimmPartNumber[MAX_DIMMS_SUPPORTED][SPD_PARTN_LENGTH+1]; char DimmPartNumber[MAX_DIMMS_SUPPORTED][SPD_PARTN_LENGTH+1];
uint16_t DimmRevisionNumber[MAX_DIMMS_SUPPORTED]; uint16_t DimmRevisionNumber[MAX_DIMMS_SUPPORTED];
uint32_t DimmSerialNumber[MAX_DIMMS_SUPPORTED]; uint32_t DimmSerialNumber[MAX_DIMMS_SUPPORTED];
/* NOTE: This must remain the last entry in this structure */
struct DCTPersistentStatStruc persistentData;
} __attribute__((packed)); } __attribute__((packed));
/*=============================================================================== /*===============================================================================

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@ -351,7 +351,7 @@ static void TrainDQSRdWrPos_D(struct MCTStatStruc *pMCTstat,
printk(BIOS_DEBUG, "Channel: %02x\n", Channel); printk(BIOS_DEBUG, "Channel: %02x\n", Channel);
for (Receiver = cs_start; Receiver < (cs_start + 2); Receiver += 2) { for (Receiver = cs_start; Receiver < (cs_start + 2); Receiver += 2) {
printk(BIOS_DEBUG, "\t\tReceiver: %02x: ", Receiver); printk(BIOS_DEBUG, "\t\tReceiver: %02x: ", Receiver);
p = pDCTstat->CH_D_DIR_B_DQS[Channel][Receiver >> 1][Dir]; p = pDCTstat->persistentData.CH_D_DIR_B_DQS[Channel][Receiver >> 1][Dir];
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
val = p[i]; val = p[i];
printk(BIOS_DEBUG, "%02x ", val); printk(BIOS_DEBUG, "%02x ", val);
@ -583,7 +583,7 @@ void StoreDQSDatStrucVal_D(struct MCTStatStruc *pMCTstat,
if (pDCTstat->Status & (1 << SB_Over400MHz)) if (pDCTstat->Status & (1 << SB_Over400MHz))
dn = ChipSel>>1; /* if odd or even logical DIMM */ dn = ChipSel>>1; /* if odd or even logical DIMM */
pDCTstat->CH_D_DIR_B_DQS[pDCTstat->Channel][dn][pDCTstat->Direction][pDCTstat->ByteLane] = pDCTstat->persistentData.CH_D_DIR_B_DQS[pDCTstat->Channel][dn][pDCTstat->Direction][pDCTstat->ByteLane] =
pDCTstat->DQSDelay; pDCTstat->DQSDelay;
} }
@ -606,7 +606,7 @@ static void GetDQSDatStrucVal_D(struct MCTStatStruc *pMCTstat,
dn = ChipSel >> 1; /*if odd or even logical DIMM */ dn = ChipSel >> 1; /*if odd or even logical DIMM */
pDCTstat->DQSDelay = pDCTstat->DQSDelay =
pDCTstat->CH_D_DIR_B_DQS[pDCTstat->Channel][dn][pDCTstat->Direction][pDCTstat->ByteLane]; pDCTstat->persistentData.CH_D_DIR_B_DQS[pDCTstat->Channel][dn][pDCTstat->Direction][pDCTstat->ByteLane];
} }

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@ -476,7 +476,7 @@ static void dqsTrainRcvrEn_SW(struct MCTStatStruc *pMCTstat,
printk(BIOS_DEBUG, "Channel: %02x\n", Channel); printk(BIOS_DEBUG, "Channel: %02x\n", Channel);
for (Receiver = 0; Receiver < 8; Receiver+=2) { for (Receiver = 0; Receiver < 8; Receiver+=2) {
printk(BIOS_DEBUG, "\t\tReceiver: %02x: ", Receiver); printk(BIOS_DEBUG, "\t\tReceiver: %02x: ", Receiver);
p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver>>1]; p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][Receiver>>1];
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
val = p[i]; val = p[i];
printk(BIOS_DEBUG, "%02x ", val); printk(BIOS_DEBUG, "%02x ", val);
@ -567,7 +567,7 @@ void mct_SetRcvrEnDly_D(struct DCTStatStruc *pDCTstat, u8 RcvrEnDly,
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
if (FinalValue) { if (FinalValue) {
/*calculate dimm offset */ /*calculate dimm offset */
p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver >> 1]; p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][Receiver >> 1];
RcvrEnDly = p[i]; RcvrEnDly = p[i];
} }
@ -719,11 +719,11 @@ static u8 mct_SavePassRcvEnDly_D(struct DCTStatStruc *pDCTstat,
/* find desired stack offset according to channel/dimm/byte */ /* find desired stack offset according to channel/dimm/byte */
if (Pass == SecondPass) { if (Pass == SecondPass) {
// FIXME: SecondPass is never used for Barcelona p = pDCTstat->CH_D_B_RCVRDLY_1[Channel][receiver>>1]; // FIXME: SecondPass is never used for Barcelona p = pDCTstat->persistentData.CH_D_B_RCVRDLY_1[Channel][receiver>>1];
p = 0; // Keep the compiler happy. p = 0; // Keep the compiler happy.
} else { } else {
mask_Saved &= mask_Pass; mask_Saved &= mask_Pass;
p = pDCTstat->CH_D_B_RCVRDLY[Channel][receiver>>1]; p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][receiver>>1];
} }
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
/* cmp per byte lane */ /* cmp per byte lane */
@ -903,7 +903,7 @@ void SetEccDQSRcvrEn_D(struct DCTStatStruc *pDCTstat, u8 Channel)
dev = pDCTstat->dev_dct; dev = pDCTstat->dev_dct;
index_reg = 0x98 + Channel * 0x100; index_reg = 0x98 + Channel * 0x100;
index = 0x12; index = 0x12;
p = pDCTstat->CH_D_BC_RCVRDLY[Channel]; p = pDCTstat->persistentData.CH_D_BC_RCVRDLY[Channel];
print_debug_dqs("\t\tSetEccDQSRcvrPos: Channel ", Channel, 2); print_debug_dqs("\t\tSetEccDQSRcvrPos: Channel ", Channel, 2);
for (ChipSel = 0; ChipSel < MAX_CS_SUPPORTED; ChipSel += 2) { for (ChipSel = 0; ChipSel < MAX_CS_SUPPORTED; ChipSel += 2) {
val = p[ChipSel>>1]; val = p[ChipSel>>1];
@ -929,7 +929,7 @@ static void CalcEccDQSRcvrEn_D(struct MCTStatStruc *pMCTstat,
for (ChipSel = 0; ChipSel < MAX_CS_SUPPORTED; ChipSel += 2) { for (ChipSel = 0; ChipSel < MAX_CS_SUPPORTED; ChipSel += 2) {
if (mct_RcvrRankEnabled_D(pMCTstat, pDCTstat, Channel, ChipSel)) { if (mct_RcvrRankEnabled_D(pMCTstat, pDCTstat, Channel, ChipSel)) {
u8 *p; u8 *p;
p = pDCTstat->CH_D_B_RCVRDLY[Channel][ChipSel>>1]; p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][ChipSel>>1];
/* DQS Delay Value of Data Bytelane /* DQS Delay Value of Data Bytelane
* most like ECC byte lane */ * most like ECC byte lane */
@ -953,7 +953,7 @@ static void CalcEccDQSRcvrEn_D(struct MCTStatStruc *pMCTstat,
val += val0; val += val0;
} }
pDCTstat->CH_D_BC_RCVRDLY[Channel][ChipSel>>1] = val; pDCTstat->persistentData.CH_D_BC_RCVRDLY[Channel][ChipSel>>1] = val;
} }
} }
SetEccDQSRcvrEn_D(pDCTstat, Channel); SetEccDQSRcvrEn_D(pDCTstat, Channel);

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@ -49,7 +49,7 @@ static u8 mct_Average_RcvrEnDly_1Pass(struct DCTStatStruc *pDCTstat, u8 Channel,
u8 val; u8 val;
MaxValue = 0; MaxValue = 0;
p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver >> 1]; p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][Receiver >> 1];
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
/* get left value from DCTStatStruc.CHA_D0_B0_RCVRDLY*/ /* get left value from DCTStatStruc.CHA_D0_B0_RCVRDLY*/

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@ -57,7 +57,7 @@ u8 mct_Get_Start_RcvrEnDly_Pass(struct DCTStatStruc *pDCTstat,
u8 max = 0; u8 max = 0;
u8 val; u8 val;
u8 i; u8 i;
u8 *p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver>>1]; u8 *p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][Receiver>>1];
u8 bn; u8 bn;
bn = 8; bn = 8;
@ -91,12 +91,12 @@ u8 mct_Average_RcvrEnDly_Pass(struct DCTStatStruc *pDCTstat,
bn = 8; bn = 8;
p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver>>1]; p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][Receiver>>1];
if (Pass == SecondPass) { /* second pass must average values */ if (Pass == SecondPass) { /* second pass must average values */
//FIXME: which byte? //FIXME: which byte?
p_1 = pDCTstat->B_RCVRDLY_1; p_1 = pDCTstat->B_RCVRDLY_1;
// p_1 = pDCTstat->CH_D_B_RCVRDLY_1[Channel][Receiver>>1]; // p_1 = pDCTstat->persistentData.CH_D_B_RCVRDLY_1[Channel][Receiver>>1];
for (i = 0; i < bn; i++) { for (i = 0; i < bn; i++) {
val = p[i]; val = p[i];
/* left edge */ /* left edge */

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@ -297,7 +297,7 @@ static u32 GetMaxRdLatTestAddr_D(struct MCTStatStruc *pMCTstat,
for (d = 0; d < 4; d++) { for (d = 0; d < 4; d++) {
for (Byte = 0; Byte < bn; Byte++) { for (Byte = 0; Byte < bn; Byte++) {
u8 tmp; u8 tmp;
tmp = pDCTstat->CH_D_B_RCVRDLY[ch][d][Byte]; tmp = pDCTstat->persistentData.CH_D_B_RCVRDLY[ch][d][Byte];
if (tmp > Max) { if (tmp > Max) {
Max = tmp; Max = tmp;
Channel_Max = Channel; Channel_Max = Channel;

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@ -1,7 +1,7 @@
/* /*
* This file is part of the coreboot project. * This file is part of the coreboot project.
* *
* Copyright (C) 2015-2016 Raptor Engineering, LLC * Copyright (C) 2015-2017 Raptor Engineering, LLC
* Copyright (C) 2010 Advanced Micro Devices, Inc. * Copyright (C) 2010 Advanced Micro Devices, Inc.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
@ -3732,7 +3732,7 @@ static void LoadDQSSigTmgRegs_D(struct MCTStatStruc *pMCTstat,
2); /* Pass Second Pass ? */ 2); /* Pass Second Pass ? */
/* Restore Write levelization training data */ /* Restore Write levelization training data */
for (ByteLane = 0; ByteLane < 9; ByteLane ++) { for (ByteLane = 0; ByteLane < 9; ByteLane ++) {
txdqs = pDCTstat->CH_D_B_TxDqs[Channel][Receiver >> 1][ByteLane]; txdqs = pDCTstat->persistentData.CH_D_B_TxDqs[Channel][Receiver >> 1][ByteLane];
index = Table_DQSRcvEn_Offset[ByteLane >> 1]; index = Table_DQSRcvEn_Offset[ByteLane >> 1];
index += (Receiver >> 1) * 3 + 0x10 + 0x20; /* Addl_Index */ index += (Receiver >> 1) * 3 + 0x10 + 0x20; /* Addl_Index */
val = Get_NB32_index_wait_DCT(dev, Channel, 0x98, index); val = Get_NB32_index_wait_DCT(dev, Channel, 0x98, index);
@ -7373,23 +7373,13 @@ static void mct_ResetDataStruct_D(struct MCTStatStruc *pMCTstat,
{ {
uint8_t Node; uint8_t Node;
struct DCTStatStruc *pDCTstat; struct DCTStatStruc *pDCTstat;
uint16_t host_serv1, host_serv2;
uint8_t CH_D_B_TxDqs_bkp[2][4][9];
/* Initialize Data structures by clearing all entries to 0 */ /* Initialize Data structures by clearing all entries to 0 */
memset(pMCTstat, 0, sizeof(struct MCTStatStruc)); memset(pMCTstat, 0, sizeof(*pMCTstat));
for (Node = 0; Node < 8; Node++) { for (Node = 0; Node < 8; Node++) {
pDCTstat = pDCTstatA + Node; pDCTstat = pDCTstatA + Node;
host_serv1 = pDCTstat->HostBiosSrvc1; memset(pDCTstat, 0, sizeof(*pDCTstat) - sizeof(pDCTstat->persistentData));
host_serv2 = pDCTstat->HostBiosSrvc2;
memcpy(CH_D_B_TxDqs_bkp, pDCTstat->CH_D_B_TxDqs, sizeof(CH_D_B_TxDqs_bkp));
memset(pDCTstat, 0, sizeof(struct DCTStatStruc));
pDCTstat->HostBiosSrvc1 = host_serv1;
pDCTstat->HostBiosSrvc2 = host_serv2;
memcpy(pDCTstat->CH_D_B_TxDqs, CH_D_B_TxDqs_bkp, sizeof(pDCTstat->CH_D_B_TxDqs));
} }
} }

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@ -1,7 +1,7 @@
/* /*
* This file is part of the coreboot project. * This file is part of the coreboot project.
* *
* Copyright (C) 2015-2016 Raptor Engineering, LLC * Copyright (C) 2015-2017 Raptor Engineering, LLC
* Copyright (C) 2010 Advanced Micro Devices, Inc. * Copyright (C) 2010 Advanced Micro Devices, Inc.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
@ -335,6 +335,20 @@ struct amd_spd_node_data {
uint8_t nvram_memclk[2]; /* [channel] */ uint8_t nvram_memclk[2]; /* [channel] */
} __attribute__((packed, aligned(4))); } __attribute__((packed, aligned(4)));
struct DCTPersistentStatStruc {
u8 CH_D_B_TxDqs[2][4][9]; /* [A/B] [DIMM1-4] [DQS] */
/* CHA DIMM0 Byte 0 - 7 TxDqs */
/* CHA DIMM0 Byte 0 - 7 TxDqs */
/* CHA DIMM1 Byte 0 - 7 TxDqs */
/* CHA DIMM1 Byte 0 - 7 TxDqs */
/* CHB DIMM0 Byte 0 - 7 TxDqs */
/* CHB DIMM0 Byte 0 - 7 TxDqs */
/* CHB DIMM1 Byte 0 - 7 TxDqs */
/* CHB DIMM1 Byte 0 - 7 TxDqs */
u16 HostBiosSrvc1; /* Word sized general purpose field for use by host BIOS. Scratch space.*/
u32 HostBiosSrvc2; /* Dword sized general purpose field for use by host BIOS. Scratch space.*/
} __attribute__((packed, aligned(4)));
struct DCTStatStruc { /* A per Node structure*/ struct DCTStatStruc { /* A per Node structure*/
/* DCTStatStruct_F - start */ /* DCTStatStruct_F - start */
u8 Node_ID; /* Node ID of current controller */ u8 Node_ID; /* Node ID of current controller */
@ -485,8 +499,6 @@ struct DCTStatStruc { /* A per Node structure*/
/* CH B byte lane 0 - 7 minimum filtered window passing DQS delay value*/ /* CH B byte lane 0 - 7 minimum filtered window passing DQS delay value*/
/* CH B byte lane 0 - 7 maximum filtered window passing DQS delay value*/ /* CH B byte lane 0 - 7 maximum filtered window passing DQS delay value*/
uint64_t LogicalCPUID; /* The logical CPUID of the node*/ uint64_t LogicalCPUID; /* The logical CPUID of the node*/
u16 HostBiosSrvc1; /* Word sized general purpose field for use by host BIOS. Scratch space.*/
u32 HostBiosSrvc2; /* Dword sized general purpose field for use by host BIOS. Scratch space.*/
u16 DimmQRPresent; /* QuadRank DIMM present?*/ u16 DimmQRPresent; /* QuadRank DIMM present?*/
u16 DimmTrainFail; /* Bitmap showing which dimms failed training*/ u16 DimmTrainFail; /* Bitmap showing which dimms failed training*/
u16 CSTrainFail; /* Bitmap showing which chipselects failed training*/ u16 CSTrainFail; /* Bitmap showing which chipselects failed training*/
@ -513,15 +525,6 @@ struct DCTStatStruc { /* A per Node structure*/
/* CHB DIMM0 Byte 0 - 7 and Check Read DQS Delay*/ /* CHB DIMM0 Byte 0 - 7 and Check Read DQS Delay*/
/* CHB DIMM1 Byte 0 - 7 and Check Write DQS Delay*/ /* CHB DIMM1 Byte 0 - 7 and Check Write DQS Delay*/
/* CHB DIMM1 Byte 0 - 7 and Check Read DQS Delay*/ /* CHB DIMM1 Byte 0 - 7 and Check Read DQS Delay*/
u8 CH_D_B_TxDqs[2][4][9]; /* [A/B] [DIMM1-4] [DQS] */
/* CHA DIMM0 Byte 0 - 7 TxDqs */
/* CHA DIMM0 Byte 0 - 7 TxDqs */
/* CHA DIMM1 Byte 0 - 7 TxDqs */
/* CHA DIMM1 Byte 0 - 7 TxDqs */
/* CHB DIMM0 Byte 0 - 7 TxDqs */
/* CHB DIMM0 Byte 0 - 7 TxDqs */
/* CHB DIMM1 Byte 0 - 7 TxDqs */
/* CHB DIMM1 Byte 0 - 7 TxDqs */
u16 CH_D_B_RCVRDLY[2][4][8]; /* [A/B] [DIMM0-3] [DQS] */ u16 CH_D_B_RCVRDLY[2][4][8]; /* [A/B] [DIMM0-3] [DQS] */
/* CHA DIMM 0 Receiver Enable Delay*/ /* CHA DIMM 0 Receiver Enable Delay*/
/* CHA DIMM 1 Receiver Enable Delay*/ /* CHA DIMM 1 Receiver Enable Delay*/
@ -635,6 +638,9 @@ struct DCTStatStruc { /* A per Node structure*/
uint32_t DimmSerialNumber[MAX_DIMMS_SUPPORTED]; uint32_t DimmSerialNumber[MAX_DIMMS_SUPPORTED];
struct amd_spd_node_data spd_data; struct amd_spd_node_data spd_data;
/* NOTE: This must remain the last entry in this structure */
struct DCTPersistentStatStruc persistentData;
} __attribute__((packed, aligned(4))); } __attribute__((packed, aligned(4)));
struct amd_s3_persistent_mct_channel_data { struct amd_s3_persistent_mct_channel_data {

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@ -2301,7 +2301,7 @@ static void mct_SetDQSDelayCSR_D(struct MCTStatStruc *pMCTstat,
val = Get_NB32_index_wait_DCT(dev, pDCTstat->Channel, index_reg, index); val = Get_NB32_index_wait_DCT(dev, pDCTstat->Channel, index_reg, index);
if (ByteLane < 8) { if (ByteLane < 8) {
if (pDCTstat->Direction == DQS_WRITEDIR) { if (pDCTstat->Direction == DQS_WRITEDIR) {
dqs_delay += pDCTstat->CH_D_B_TxDqs[pDCTstat->Channel][ChipSel>>1][ByteLane]; dqs_delay += pDCTstat->persistentData.CH_D_B_TxDqs[pDCTstat->Channel][ChipSel>>1][ByteLane];
} else { } else {
dqs_delay <<= 1; dqs_delay <<= 1;
} }

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@ -66,7 +66,7 @@ static void SetEccWrDQS_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pD
if (OddByte) if (OddByte)
val >>= 16; val >>= 16;
/* Save WrDqs to stack for later usage */ /* Save WrDqs to stack for later usage */
pDCTstat->CH_D_B_TxDqs[Channel][DimmNum][ByteLane] = val & 0xFF; pDCTstat->persistentData.CH_D_B_TxDqs[Channel][DimmNum][ByteLane] = val & 0xFF;
EccDQSScale = pDCTstat->CH_EccDQSScale[Channel]; EccDQSScale = pDCTstat->CH_EccDQSScale[Channel];
word = pDCTstat->CH_EccDQSLike[Channel]; word = pDCTstat->CH_EccDQSLike[Channel];
if ((word & 0xFF) == ByteLane) EccRef1 = val & 0xFF; if ((word & 0xFF) == ByteLane) EccRef1 = val & 0xFF;

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@ -54,7 +54,7 @@ u8 mct_Get_Start_RcvrEnDly_Pass(struct DCTStatStruc *pDCTstat,
u8 max = 0; u8 max = 0;
u8 val; u8 val;
u8 i; u8 i;
u8 *p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver>>1]; u8 *p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][Receiver>>1];
u8 bn; u8 bn;
bn = 8; bn = 8;
@ -85,12 +85,12 @@ u16 mct_Average_RcvrEnDly_Pass(struct DCTStatStruc *pDCTstat,
bn = 8; bn = 8;
p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver>>1]; p = pDCTstat->persistentData.CH_D_B_RCVRDLY[Channel][Receiver>>1];
if (Pass == SecondPass) { /* second pass must average values */ if (Pass == SecondPass) { /* second pass must average values */
/* FIXME: which byte? */ /* FIXME: which byte? */
p_1 = pDCTstat->B_RCVRDLY_1; p_1 = pDCTstat->B_RCVRDLY_1;
/* p_1 = pDCTstat->CH_D_B_RCVRDLY_1[Channel][Receiver>>1]; */ /* p_1 = pDCTstat->persistentData.CH_D_B_RCVRDLY_1[Channel][Receiver>>1]; */
for (i = 0; i < bn; i++) { for (i = 0; i < bn; i++) {
val = p[i]; val = p[i];
/* left edge */ /* left edge */