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[AMD][Zen5] Introduced a UMC capabilities decoder for STX families

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CyrIng
2025-07-16 04:46:04 +02:00
parent edc23f20c7
commit d2fd467fdf
1 changed files with 71 additions and 1 deletions
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72
x86_64/corefreqd.c
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@@ -6963,6 +6963,72 @@ void AMD_17h_IOMMU(RO(SHM_STRUCT) *RO(Shm), RO(PROC) *RO(Proc))
RO(Proc)->Uncore.Bus.IOMMU_HDR.CapRev & 0b01111;
}
void AMD_1Ah_STX_CAP( RO(SHM_STRUCT) *RO(Shm),
RO(PROC) *RO(Proc), RO(CORE) *RO(Core) )
{
unsigned short mc, clock_done = 0;
for (mc = 0; mc < RO(Shm)->Uncore.CtrlCount && !clock_done; mc++)
{
unsigned short cha;
for (cha = 0;
cha < RO(Shm)->Uncore.MC[mc].ChannelCount && !clock_done;
cha++)
{
const AMD_ZEN_UMC_CFG_MISC MISC = \
RO(Proc)->Uncore.MC[mc].Channel[cha].AMD17h.MISC;
unsigned short slot;
if (MISC.DDR5.MEMCLK)
{
const unsigned int correction = \
BITEXTRZ((unsigned long long)MISC.value, 0, 3) == 0 ? 0 : 2;
RO(Shm)->Uncore.Bus.Rate = 4U * MISC.DDR5.MEMCLK;
RO(Shm)->Uncore.Bus.Rate = RO(Shm)->Uncore.Bus.Rate + correction;
RO(Shm)->Uncore.Bus.Speed =(unsigned long long)RO(Shm)->Uncore.Bus.Rate;
RO(Shm)->Uncore.Bus.Speed = \
( RO(Shm)->Uncore.Bus.Speed * RO(Core)->Clock.Hz )
/ RO(Shm)->Proc.Features.Factory.Clock.Hz;
RO(Shm)->Uncore.CtrlSpeed = 2LLU * RO(Shm)->Uncore.Bus.Rate;
clock_done = 1;
}
switch(RO(Proc)->Uncore.MC[mc].Channel[cha].AMD17h.CONFIG.BurstLength) {
case 0x0: /* BL2 */
case 0x1: /* BL4 */
case 0x2: /* BL8 */
RO(Shm)->Uncore.Unit.DDR_Ver = 4;
RO(Shm)->Uncore.Unit.DDR_Std = RAM_STD_LPDDR;
break;
case 0x3: /* BL16 */
RO(Shm)->Uncore.Unit.DDR_Ver = 5;
RO(Shm)->Uncore.Unit.DDR_Std = RAM_STD_LPDDR;
break;
}
for (slot = 0; slot < RO(Shm)->Uncore.MC[mc].SlotCount; slot++)
{
if (RO(Proc)->Uncore.MC[mc].Channel[cha].DIMM[slot].AMD17h\
.CFG.value != 0xffffffff)
{
if (RO(Proc)->Uncore.MC[mc].Channel[cha].DIMM[slot].AMD17h.CFG.RDIMM
|| RO(Proc)->Uncore.MC[mc].Channel[cha].DIMM[slot].AMD17h.CFG.LRDIMM)
{
RO(Shm)->Uncore.Unit.DDR_Std = RAM_STD_RDIMM;
break;
}
}
}
}
}
RO(Shm)->Uncore.Unit.Bus_Rate = MC_MHZ;
RO(Shm)->Uncore.Unit.BusSpeed = MC_MHZ;
RO(Shm)->Uncore.Unit.DDR_Rate = MC_NIL;
RO(Shm)->Uncore.Unit.DDRSpeed = MC_MTS;
}
#undef TIMING
static char *Chipset[CHIPSETS] = {
@@ -7710,10 +7776,14 @@ void PCI_AMD(RO(SHM_STRUCT) *RO(Shm), RO(PROC) *RO(Proc), RO(CORE) *RO(Core),
case DID_AMD_19H_GENOA_DF_UMC:
case DID_AMD_19H_PHOENIX_DF_UMC:
case DID_AMD_1AH_TURIN_DF_UMC:
AMD_17h_UMC(RO(Shm), RO(Proc));
AMD_17h_CAP(RO(Shm), RO(Proc), RO(Core));
SET_CHIPSET(IC_ZEN);
break;
case DID_AMD_1AH_STX_DF_UMC:
case DID_AMD_1AH_STXH_DF_UMC:
AMD_17h_UMC(RO(Shm), RO(Proc));
AMD_17h_CAP(RO(Shm), RO(Proc), RO(Core));
AMD_1Ah_STX_CAP(RO(Shm), RO(Proc), RO(Core));
SET_CHIPSET(IC_ZEN);
break;
}