--- /dev/null
+/**
+ * @file
+ *
+ * mtrci3.c
+ *
+ * Technology Control word initialization for DDR3
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: (Mem/Tech/DDR3)
+ * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 2010) $
+ *
+ **/
+/*****************************************************************************
+*
+* Copyright (c) 2011, Advanced Micro Devices, Inc.
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* * Neither the name of Advanced Micro Devices, Inc. nor the names of
+* its contributors may be used to endorse or promote products derived
+* from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+* ***************************************************************************
+*
+*/
+
+/*
+ *----------------------------------------------------------------------------
+ * MODULES USED
+ *
+ *----------------------------------------------------------------------------
+ */
+
+
+
+#include "AGESA.h"
+#include "Ids.h"
+#include "mm.h"
+#include "mn.h"
+#include "mu.h"
+#include "mt.h"
+#include "mt3.h"
+#include "mtrci3.h"
+#include "merrhdl.h"
+#include "Filecode.h"
+#define FILECODE PROC_MEM_TECH_DDR3_MTRCI3_FILECODE
+/*----------------------------------------------------------------------------
+ * DEFINITIONS AND MACROS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ * TYPEDEFS AND STRUCTURES
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ * PROTOTYPES OF LOCAL FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+VOID
+STATIC
+MemTSendCtlWord3 (
+ IN OUT MEM_TECH_BLOCK *TechPtr,
+ IN UINT8 CmdNum,
+ IN UINT8 Value
+ );
+
+/*----------------------------------------------------------------------------
+ * EXPORTED FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ * This function sends control words
+ *
+ * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
+ *
+ */
+
+VOID
+MemTDramControlRegInit3 (
+ IN OUT MEM_TECH_BLOCK *TechPtr
+ )
+{
+ UINT8 ChipSel;
+ UINT8 i;
+ UINT8 RawCard;
+ UINT8 Data;
+ UINT16 CsPresent;
+
+ MEM_DATA_STRUCT *MemPtr;
+ MEM_NB_BLOCK *NBPtr;
+
+ NBPtr = TechPtr->NBPtr;
+ MemPtr = NBPtr->MemPtr;
+ CsPresent = NBPtr->DCTPtr->Timings.CsPresent;
+
+ MemUWait10ns (800, MemPtr); // wait 8us TACT must be changed to optimize to 8 MEM CLKs
+
+ // Set EnDramInit to start DRAM initialization
+
+ MemUWait10ns (600, MemPtr); // wait 6us for PLL LOCK
+
+ for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel += 2) {
+ //
+ // If chip select present
+ //
+ if ((CsPresent & ((UINT16)3 << ChipSel)) != 0) {
+ NBPtr->SetBitField (NBPtr, BFMrsChipSel, ChipSel);
+
+ // 2. Program F2x[1, 0]A8[CtrlWordCS]=bit mask for target chip selects.
+ NBPtr->SetBitField (NBPtr, BFCtrlWordCS, 3 << (ChipSel & 0xFE));
+
+ RawCard = NBPtr->ChannelPtr->RefRawCard[ChipSel >> 1];
+
+ for (i = 0; i <= 15; i++) {
+ // wait 8us for TMRD, must be changed to optimize to 8 MEM CLKs
+ MemUWait10ns (800, MemPtr);
+ if ((i != 6) && (i != 7)) {
+ Data = MemTGetCtlWord3 (TechPtr, i, RawCard, ChipSel);
+ MemTSendCtlWord3 (TechPtr, i, Data);
+ }
+ }
+ }
+ }
+ MemUWait10ns (600, MemPtr); // wait 6us for TSTAB
+}
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ * This function calculates the ControlRC value
+ *
+ * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
+ * @param[in] CtrlWordNum - control Word number.
+ * @param[in] RawCard - Raw Card
+ * @param[in] ChipSel - Target Chip Select
+ * @return Control Word value
+ */
+
+UINT8
+MemTGetCtlWord3 (
+ IN OUT MEM_TECH_BLOCK *TechPtr,
+ IN UINT8 CtrlWordNum,
+ IN UINT8 RawCard,
+ IN UINT8 ChipSel
+ )
+{
+ UINT8 Data;
+ DCT_STRUCT *DCTPtr;
+ CH_DEF_STRUCT *ChannelPtr;
+
+ DCTPtr = TechPtr->NBPtr->DCTPtr;
+ ChannelPtr = TechPtr->NBPtr->ChannelPtr;
+
+ Data = 0; //Default value for all control words is 0
+ switch (CtrlWordNum) {
+ case 0:
+ Data = 0x02; // DA4=1
+ break;
+ case 1:
+ if (DCTPtr->Timings.DimmSRPresent & ((UINT16) 1 << (ChipSel >> 1))) {
+ Data = 0x0C; // if single rank, set DBA1 and DBA0
+ }
+ break;
+ case 2:
+ Data = ChannelPtr->CtrlWrd02[ChipSel >> 1];
+ break;
+ case 3:
+ Data = ChannelPtr->CtrlWrd03[ChipSel >> 1];
+ break;
+ case 4:
+ Data = ChannelPtr->CtrlWrd04[ChipSel >> 1];
+ break;
+ case 5:
+ Data = ChannelPtr->CtrlWrd05[ChipSel >> 1];
+ break;
+ case 8:
+ Data = ChannelPtr->CtrlWrd08[ChipSel >> 1];
+ break;
+ case 9:
+ Data = 0x0D;
+ break;
+ default:;
+ }
+
+ return (Data & 0x0F);
+}
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ * This function sends control word command
+ *
+ * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
+ * @param[in] CmdNum - control number.
+ * @param[in] Value - value to send
+ *
+ */
+
+VOID
+STATIC
+MemTSendCtlWord3 (
+ IN OUT MEM_TECH_BLOCK *TechPtr,
+ IN UINT8 CmdNum,
+ IN UINT8 Value
+ )
+{
+ MEM_NB_BLOCK *NBPtr;
+
+ NBPtr = TechPtr->NBPtr;
+
+ // 1. Program MrsBank and MrsAddress.
+ // n = [BA2, A2, A1, A0].
+ // data = [BA1, BA0, A4, A3].
+ // Set all other bits in MrsAddress to zero.
+ //
+ NBPtr->SetBitField (NBPtr, BFMrsBank, ((CmdNum & 8) >> 1) | (Value >> 2));
+ NBPtr->SetBitField (NBPtr, BFMrsAddress, ((Value & 3) << 3) | (CmdNum & 7));
+ IDS_HDT_CONSOLE ("\t\tCS%lx RC%02lx %04lx\n",
+ (NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 20) & 0xF,
+ ((NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 15) & 8) |
+ (NBPtr->GetBitField (NBPtr, BFDramInitRegReg) & 7),
+ ((NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 14) & 0xC) |
+ ((NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 3) & 3));
+
+ // 2.Set SendCtrlWord=1
+ NBPtr->SetBitField (NBPtr, BFSendCtrlWord, 1);
+ // 3.Wait for BFSendCtrlWord=0
+ NBPtr->PollBitField (NBPtr, BFSendCtrlWord, 0, PCI_ACCESS_TIMEOUT, FALSE);
+}
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ * This function sends specific control words commands before frequency change for certain DRAM buffers.
+ *
+ * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
+ *
+ */
+
+VOID
+FreqChgCtrlWrd3 (
+ IN OUT MEM_TECH_BLOCK *TechPtr
+ )
+{
+ UINT8 ChipSel;
+ UINT16 Speed;
+ UINT16 CsPresent;
+
+ MEM_DATA_STRUCT *MemPtr;
+ MEM_NB_BLOCK *NBPtr;
+
+ NBPtr = TechPtr->NBPtr;
+ MemPtr = NBPtr->MemPtr;
+ Speed = NBPtr->DCTPtr->Timings.Speed;
+ CsPresent = NBPtr->DCTPtr->Timings.CsPresent;
+
+
+ for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel += 2) {
+ //
+ // If chip select present.
+ //
+ if ((CsPresent & ((UINT16)3 << ChipSel)) != 0) {
+
+ NBPtr->SetBitField (NBPtr, BFMrsChipSel, ChipSel);
+ // program F2x[1, 0]A8[CtrlWordCS]=bit mask for target chip selects.
+ NBPtr->SetBitField (NBPtr, BFCtrlWordCS, 3 << (ChipSel & 0xFE));
+
+ //wait 8us for TMRD, must be changed to optimize to 8 MEM CLKs
+ MemUWait10ns (800, MemPtr);
+ if (Speed == DDR1066_FREQUENCY) {
+ MemTSendCtlWord3 (TechPtr, 0x0A, 1);
+ } else if (Speed == DDR1333_FREQUENCY) {
+ MemTSendCtlWord3 (TechPtr, 0x0A, 2);
+ } else if (Speed == DDR1600_FREQUENCY) {
+ MemTSendCtlWord3 (TechPtr, 0x0A, 3);
+ }
+ }
+ }
+}
+
projects / coreboot.git / blobdiff