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pull from ddobreff #1

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698f8d2
add field hex output, change R2R to CCDS
nerdralph Apr 20, 2017
0eaa624
document R9 mode
nerdralph Apr 27, 2017
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,2 +1,4 @@
# OhGodADecode
Decodes an entire timing strap for an AMD VBIOS.

Works with Rx straps by default. Build with -DSTRAP_R9=1 to decode R9 series straps.
19 changes: 15 additions & 4 deletions ohgodadecode.c
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Expand Up @@ -46,7 +46,12 @@ int main(int argc, char **argv)
}

ASCIIHexToBinary(buf, argv[1], 96);

#ifdef DEBUG
printf("Timings = %d bytes.\n", sizeof(*Timings));
#endif

printf("MC_SEQ_RAS_TIMING: 0x%08X\n", Timings->SEQ_RAS_TIMING);
printf("TRCDW=%d ", Timings->SEQ_RAS_TIMING.TRCDW);
printf("TRCDWA=%d ", Timings->SEQ_RAS_TIMING.TRCDWA);
printf("TRCDR=%d ", Timings->SEQ_RAS_TIMING.TRCDR);
Expand All @@ -55,40 +60,46 @@ int main(int argc, char **argv)
printf("TRC=%d ", Timings->SEQ_RAS_TIMING.TRC);
printf("Pad0=%d\n\n", Timings->SEQ_RAS_TIMING.Pad0);

printf("MC_SEQ_CAS_TIMING: 0x%08X\n", Timings->SEQ_CAS_TIMING);
printf("TNOPW=%d ", Timings->SEQ_CAS_TIMING.TNOPW);
printf("TNOPR=%d ", Timings->SEQ_CAS_TIMING.TNOPR);
printf("TR2W=%d ", Timings->SEQ_CAS_TIMING.TR2W);
printf("TCCDL=%d ", Timings->SEQ_CAS_TIMING.TCCDL);
printf("TR2R=%d ", Timings->SEQ_CAS_TIMING.TR2R);
printf("TCCDS=%d ", Timings->SEQ_CAS_TIMING.TCCDS);
printf("TW2R=%d ", Timings->SEQ_CAS_TIMING.TW2R);
printf("Pad0=%d ", Timings->SEQ_CAS_TIMING.Pad0);
printf("TCL=%d ", Timings->SEQ_CAS_TIMING.TCL);
printf("Pad1=%d\n\n", Timings->SEQ_CAS_TIMING.Pad1);

printf("MC_SEQ_MISC_TIMING: 0x%08X\n", Timings->SEQ_MISC_TIMING);
printf("TRP_WRA=%d ", Timings->SEQ_MISC_TIMING.TRP_WRA);
printf("TRP_RDA=%d ", Timings->SEQ_MISC_TIMING.TRP_RDA);
printf("TRP=%d ", Timings->SEQ_MISC_TIMING.TRP);
printf("TRFC=%d ", Timings->SEQ_MISC_TIMING.TRFC);
printf("Pad0=%d \n\n", Timings->SEQ_MISC_TIMING.Pad0);

printf("MC_SEQ_MISC_TIMING2: 0x%08X\n", Timings->SEQ_MISC_TIMING2);
printf("PA2RDATA=%d ", Timings->SEQ_MISC_TIMING2.PA2RDATA);
printf("Pad0=%d ", Timings->SEQ_MISC_TIMING2.Pad0);
printf("PA2WDATA=%d ", Timings->SEQ_MISC_TIMING2.PA2WDATA);
printf("Pad1=%d ", Timings->SEQ_MISC_TIMING2.Pad1);
printf("TFAW=%d ", Timings->SEQ_MISC_TIMING2.TFAW);
printf("TCRCRL=%d ", Timings->SEQ_MISC_TIMING2.TCRCRL);
printf("TCRCWL=%d ", Timings->SEQ_MISC_TIMING2.TCRCWL);
printf("TFAW32=%d\n\n", Timings->SEQ_MISC_TIMING2.TFAW32);
printf("T32AW=%d\n\n", Timings->SEQ_MISC_TIMING2.T32AW);

printf("MC_SEQ_MISC1: 0x%08X\n", Timings->SEQ_MISC1);
printf("MC_SEQ_MISC3: 0x%08X\n", Timings->SEQ_MISC3);
printf("MC_SEQ_PMG_TIMING: 0x%08X\n", Timings->SEQ_PMG_TIMING);
printf("MC_SEQ_MISC1 (MR1/MR0): 0x%08X\n", Timings->SEQ_MISC1);
printf("MC_SEQ_MISC3: (MR5/MR4)0x%08X\n", Timings->SEQ_MISC3);
printf("MC_SEQ_MISC8: 0x%08X\n\n", Timings->SEQ_MISC8);

printf("MC_ARB_DRAM_TIMING: 0x%08X\n", Timings->ARB_DRAM_TIMING);
printf("ACTRD=%d ", Timings->ARB_DRAM_TIMING.ACTRD);
printf("ACTWR=%d ", Timings->ARB_DRAM_TIMING.ACTWR);
printf("RASMACTRD=%d ", Timings->ARB_DRAM_TIMING.RASMACTRD);
printf("RASMACTWR=%d\n\n", Timings->ARB_DRAM_TIMING.RASMACTWR);

printf("MC_ARB_DRAM_TIMING2: 0x%08X\n", Timings->ARB_DRAM_TIMING2);
printf("RAS2RAS=%d ", Timings->ARB_DRAM_TIMING2.RAS2RAS);
printf("RP=%d " , Timings->ARB_DRAM_TIMING2.RP);
printf("WRPLUSRP=%d ", Timings->ARB_DRAM_TIMING2.WRPLUSRP);
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4 changes: 2 additions & 2 deletions ohgodadecode.h
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Expand Up @@ -67,7 +67,7 @@ typedef struct _SEQ_CAS_TIMING_FORMAT
uint32_t TNOPR : 2;
uint32_t TR2W : 5;
uint32_t TCCDL : 3;
uint32_t TR2R : 4;
uint32_t TCCDS : 4;
uint32_t TW2R : 5;
uint32_t Pad0 : 3;
uint32_t TCL : 5;
Expand Down Expand Up @@ -101,7 +101,7 @@ typedef struct _SEQ_MISC_TIMING2_FORMAT
uint32_t TFAW : 5;
uint32_t TCRCRL : 3;
uint32_t TCRCWL : 5;
uint32_t TFAW32 : 4;
uint32_t T32AW : 4;
uint32_t Pad2 : 3;
uint32_t TWDATATR : 4;
} SEQ_MISC_TIMING2_FORMAT;
Expand Down