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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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6
Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
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@@ -42,7 +42,7 @@ volatile CustomizeTable C = {
/* Available: 66MHz step rate, 100MHz step rate and jedec. */
/* Jedec freqs are 1333MHz, 1600MHz, 1866MHz, 2133MHz, 2400MHz, 2666MHz, 2933MHz, 3200MHz. */
.stepMode = StepMode_Jedec,
.stepMode = StepMode_66MHz,
.marikoEmcMaxClock = 2933000, /* 1866MHz @ 1866tWRL is guaranteed to work on all Mariko units */
.marikoEmcVddqVolt = 600000,
@@ -50,7 +50,7 @@ volatile CustomizeTable C = {
// Primary
.t1_tRCD = 0,
.t2_tRP = 0,
.t2_tRP = 4,
.t3_tRAS = 0,
// Secondary
.t4_tRRD = 0,
@@ -59,6 +59,8 @@ volatile CustomizeTable C = {
.t7_tWTR = 0,
.t8_tREFI = 0,
.t2_tRP_cap = 2,
.readLatency = {
2133000,
2400000,

2
Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp
View File

@@ -103,6 +103,8 @@ typedef struct CustomizeTable {
u32 t7_tWTR;
u32 t8_tREFI;
u32 t2_tRP_cap;
u32 readLatency[4];
u32 writeLatency[4];

30
Source/Atmosphere/stratosphere/loader/source/oc/mariko/calculate_timings.cpp
View File

@@ -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);

23
Source/Atmosphere/stratosphere/loader/source/oc/mtc_timing_value.hpp
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@@ -111,20 +111,17 @@ namespace ams::ldr::hoc {
const std::array<u32, 10> tWTR_values = { 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 };
const std::array<u32, 6> tREFpb_values = { 3900, 5850, 7800, 11700, 15600, 99999 };
const u32 tRCD = tRCD_values[C.t1_tRCD];
const u32 tRPpb = tRP_values[C.t2_tRP];
const u32 tRAS = tRAS_values[C.t3_tRAS];
const double tRRD = tRRD_values[C.t4_tRRD];
const u32 tRFCpb = tRFC_values[C.t5_tRFC];
const u32 tWTR = 10 - tWTR_values[C.t7_tWTR];
const s32 finetRTW = C.fineTune_t6_tRTW;
const s32 finetWTR = C.fineTune_t7_tWTR;
inline u32 tRCD;
inline u32 tRPpb;
inline u32 tRAS;
inline double tRRD;
inline u32 tRFCpb;
const u32 tRC = tRAS + tRPpb;
const u32 tRFCab = tRFCpb * 2;
const double tXSR = static_cast<double>(tRFCab + 7.5);
const u32 tFAW = static_cast<u32>(tRRD * 4.0);
const double tRPab = tRPpb + 3;
inline u32 tRC;
inline u32 tRFCab;
inline double tXSR;
inline u32 tFAW;
inline double tRPab;
inline u32 RL;
inline u32 WL;