Aspire Digital 6930 0x37 Do ZQ calibration for DDR3, 0x40 Perform steps required after Jedec init

Models: 6930 6930G MB.ASR06.001

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POST Code

Function

Phase

Component

 

 

 

 

0x36

Setup DRAM control register for normal operation and enable

PEI

chipset/MRC

0x37

Do ZQ calibration for DDR3

PEI

chipset/MRC

 

 

 

 

0x38

Perform final Dra/Drb programming, Set the mode of operation

PEI

chipset/MRC

 

for the memory channels

 

 

 

 

 

 

0x39

Set Enhanced addressing mode for each channel

PEI

chipset/MRC

 

 

 

 

0x40

Perform steps required after JEDEC init

PEI

chipset/MRC

 

 

 

 

0x41

Program the receive enable reference timing control register

PEI

chipset/MRC

 

 

 

 

0x42

Post receive enable initialization

PEI

chipset/MRC

 

 

 

 

0x43

Enable sense amps. Reset read/write DQS pointers

PEI

chipset/MRC

 

 

 

 

0x44

Perform ME steps

PEI

chipset/MRC

 

 

 

 

0x45

Clear DRAM initialization bit in the ICH.

PEI

chipset/MRC

 

 

 

 

0x46

Program Thermal Management

PEI

chipset/MRC

 

 

 

 

0x47

Program TS on DIMM

PEI

chipset/MRC

 

 

 

 

0x48

Program TS on Board

PEI

chipset/MRC

 

 

 

 

0xAF

Exit MRC

PEI

chipset/MRC

 

 

 

 

0xE0

#define MEM_ERR_BAD_DIMM (S11)

PEI

chipset/MRC

 

 

 

 

0xE1

#define MEM_ERR_ECC_DIMM (S06)

PEI

chipset/MRC

 

 

 

 

0xE2

#define MEM_ERR_SIDES (S07)

PEI

chipset/MRC

 

 

 

 

0xE3

#define MEM_ERR_WIDTH (S08, S10)

PEI

chipset/MRC

 

 

 

 

0xE4

#define MEM_ERR_TRFC (FindTrasTrpTrcd)

PEI

chipset/MRC

 

 

 

 

0xE5

#define MEM_ERR_CAS_LATENCY (S12, S13)

PEI

chipset/MRC

 

 

 

 

0xE6

#define MEM_ERR_REFRESH (ProgDrt)

PEI

chipset/MRC

 

 

 

 

0xE7

#define MEM_ERR_BL8 (S14)

PEI

chipset/MRC

 

 

 

 

0xE9

#define MEM_ERR_FREQUENCY (findTCLTacTClk, S13,

PEI

chipset/MRC

 

S12, ProgramGraphicsFrequency, ProgMchOdt,

 

 

 

GetPlatformData)

 

 

 

 

 

 

0xEA

#define MEM_ERR_SIZE (S14)

PEI

chipset/MRC

 

 

 

 

0xEC

#define MEM_ERR_TRAS (FindTrasTrpTrcd)

PEI

chipset/MRC

 

 

 

 

0xED

#define MEM_ERR_TRP (FindTrasTrpTrcd)

PEI

chipset/MRC

 

 

 

 

0xEE

#define MEM_ERR_TRCD (FindTrasTrpTrcd)

PEI

chipset/MRC

 

 

 

 

0xEF

#define MEM_ERR_TWR (FindTrasTrpTrcd)

PEI

chipset/MRC

 

 

 

 

0xF0

#define MEM_ERR_RCVEN_FINDLOW

PEI

chipset/MRC

 

(CalibrateRcvenForGroup)

 

 

 

 

 

 

0xF1

#define MEM_ERR_RCVEN_FINDEDGE

PEI

chipset/MRC

 

(CalibrateRcvenForGroup)

 

 

 

 

 

 

0xF2

#define MEM_ERR_RCVEN_FINDPREAMBLE

PEI

chipset/MRC

 

(CalibrateRcvenForGroup)

 

 

 

 

 

 

0xF6

#define MEM_ERR_RCVEN_PREAMBLEEDGE

PEI

chipset/MRC

 

(CalibrateRcvenForGroup)

 

 

 

 

 

 

0xF3

#define MEM_ERR_RCVEN_FINDCENTER

PEI

chipset/MRC

 

(CalibrateRcvenForGroup)

 

 

 

 

 

 

0xF4

#define MEM_ERR_TYPE (S11, S04)

PEI

chipset/MRC

 

 

 

 

0xF5

#define MEM_ERR_RAWCARD (S11)

PEI

chipset/MRC

 

 

 

 

0xFA

#define MEM_ERR_SFF (ProgWrioDll)

PEI

chipset/MRC

 

 

 

 

0xFB

#define MEM_ERR_THERMAL (ProgramThrottling)

PEI

chipset/MRC

 

 

 

 

138

Chapter 4

Page 148
Image 148
Aspire Digital 6930 0x37 Do ZQ calibration for DDR3, 0x40 Perform steps required after Jedec init, 0x44 Perform ME steps