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add t2 trp cap

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Lightos1
2026-04-18 19:02:07 +02:00
parent 55b3a4230c
commit 822e9f2817
8 changed files with 58 additions and 17 deletions
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30
Source/Atmosphere/stratosphere/loader/source/oc/mariko/calculate_timings.cpp
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@@ -127,13 +127,39 @@ namespace ams::ldr::hoc::pcv::mariko {
}
void CalculateTimings(double tCK_avg, u32 freq) {
RL = 28;
WL = 12;
RL = RL_1331;
WL = WL_1331;
HandleLatency(freq);
GetRext();
/* At 1333WL, for some reason (incorrect ram timing config in mtc table?), tRP causes crashes at high reductions - 2 seems to be the most common limit. */
/* This is a lazy workaround until I find the issue... */
u32 tRPpbIndex = C.t2_tRP;
if (WL == WL_1331) {
tRPpbIndex = MIN(C.t2_tRP_cap, C.t2_tRP);
}
tRCD = tRCD_values[C.t1_tRCD];
tRPpb = tRP_values[tRPpbIndex];
tRAS = tRAS_values[C.t3_tRAS];
tRRD = tRRD_values[C.t4_tRRD];
tRFCpb = tRFC_values[C.t5_tRFC];
u32 tWTR = 10 - tWTR_values[C.t7_tWTR];
s32 finetRTW = C.fineTune_t6_tRTW;
s32 finetWTR = C.fineTune_t7_tWTR;
Log("Freq: %u\n", freq);
Log("WL: %u\n", WL);
Log("tRP value: %u\n\n", tRPpb);
tRC = tRAS + tRPpb;
tRFCab = tRFCpb * 2;
tXSR = static_cast<double>(tRFCab + 7.5);
tFAW = static_cast<u32>(tRRD * 4.0);
tRPab = tRPpb + 3;
tR2P = CEIL((RL * 0.426) - 2.0);
tR2W = FLOOR(FLOOR((5.0 / tCK_avg) + ((FLOOR(48.0 / WL) - 0.478) * 3.0)) / 1.501) + RL - (C.t6_tRTW * 3) + finetRTW;
tRTM = FLOOR((10.0 + RL) + (3.502 / tCK_avg)) + FLOOR(7.489 / tCK_avg);