[coreboot] DDR fails on F2A85-M
David Hubbard
david.c.hubbard+coreboot at gmail.com
Fri May 10 09:21:26 CEST 2013
Hi Rudolf, Paul,
I pulled the version from http://review.coreboot.org/#/c/3200/ but my
F2A85-M still halts in the same place:
ASSERTION FAILED: file
'src/vendorcode/amd/agesa/f15tn/Proc/Mem/Main/mmExcludeDimm.c', line 263
I am using CONFIG_BOARD_ASUS_F2A85_M_DDR3_VOLT_150
I uncommented the #define IDSOPT_IDS_ENABLED in
src/mainboard/asus/f2a85-m/OptionsIds.h and captured the serial output.
What do you think I should pursue first, option A or B:
Option A is where AGESA says:
> MemClkFreq changed: 333 MHz -> 800 MHzMemFInitTableDrive
[0000000000000001] Start
MemFInitTableDrive End
>
> No Rtt entries
>
> * ERROR Event: 04063500 Data: 0, 0, 0, 0
>
> Disable DCT0 due to unsupported DIMM configuration
> Memclk Freq: 800
> RdPtr: 6
It sounds like AGESA needs a table with Rtt entries?
Option B is where AGESA says:
> Going into training stage 2. Complete training at DDR667 is done.
If DDR3-667 works but AGESA fails at DDR3-1600, is it possible to go back
to DDR3-667 or try an intermediate speed, say DDR3-1333 ?
I put a sample log at https://gist.github.com/davidhubbard/5552910
Here are some things I did:
1. cold boot after removing AC power for ~30 s
2. try the other DIMM in slot A1 (still just a single DIMM in the machine)
3. hit the reset switch a couple of times
The manufacturer page for the memory says: [1]
Non-ECC
Tested Speed DDR3-2133 MHz
Tested Latency 11-11-11-30 2N
Tested Voltage 1.5 -1.6V
SPD Speed 1600 MHz
SPD Voltage 1.5V
Some useful snippets from the log:
MemoryClockSelect : 800
AmdMemAuto: Start
MEM PARAMS:
BottomIo : 00E0
MemHoleRemap : 1
LimitBelow1TB : 1
UserTimingMode : 0
MemClockValue : 800
BankIntlv : 1
NodeIntlv : 0
ChannelIntlv : 1
EccFeature : 0
PowerDown : 1
OnLineSpare : 0
Parity : 0
BankSwizzle : 1
MemClr : 1
UmaMode : 1
UmaSize : 8192
MemRestoreCtl : 0
SaveMemContextCtl : 0
ExternalVrefCtl : 0
ForceTrainMode : 2
Node0: 1.5V -> 800MHz
MemClkFreq: 333 MHz
MemClkFreq changed: 333 MHz -> 800 MHz
[1] http://www.gskill.com/products.php?index=397
[2] this is the same product:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231468
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