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Add proper low/high vMin

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This commit is contained in:
Lightos1
2025-12-05 19:55:25 +01:00
parent 632df0f00a
commit fe6e56c4fb
3 changed files with 44 additions and 44 deletions
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6
Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
View File

@@ -51,12 +51,12 @@ namespace ams::ldr::oc::pcv
};
constexpr int gpuVmax = 750;
constexpr int gpuVmin = 610;
constexpr u16 CpuMinVolts[] = {800, 637, 620, 610};
constexpr u32 CpuVminPatchValues[] = { 850, 38, 1120, 1000, 100, 1000, 0 };
constexpr s32 CpuVminPatchOffsets[] = { -2, -1, 5, 6, 7, 8, 9 };
constexpr u32 CpuClkOfficial = 1963'500;
constexpr u32 CpuClkOfficial = 1963'500;
constexpr u32 CpuVoltOfficial = 1120;

42
Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_mariko.cpp
View File

@@ -55,27 +55,25 @@ namespace ams::ldr::oc::pcv::mariko {
}
Result CpuVoltRange(u32 *ptr) {
u32 min_volt_got = *(ptr - 1);
for (const auto &mv : CpuMinVolts) {
if (min_volt_got != mv)
continue;
if (!C.marikoCpuMaxVolt)
R_SKIP();
PATCH_OFFSET(ptr, C.marikoCpuMaxVolt);
// Patch vmin for slt
if (C.marikoCpuUV) {
if (*(ptr - 5) == 620) {
PATCH_OFFSET((ptr - 5), C.marikoCpuLowVmin); // hf vmin
}
if (*(ptr - 1) == 620) {
PATCH_OFFSET((ptr - 1), C.marikoCpuHighVmin); // lf vmin
}
for (size_t i = 0; i < std::size(CpuVminPatchOffsets); ++i) {
if (*(ptr + CpuVminPatchOffsets[i]) != CpuVminPatchValues[i]) {
R_THROW(ldr::ResultInvalidCpuMinVolt());
}
R_SUCCEED();
}
R_THROW(ldr::ResultInvalidCpuMinVolt());
if (C.marikoCpuLowVmin) {
PATCH_OFFSET(ptr, C.marikoCpuLowVmin);
}
if (C.marikoCpuHighVmin) {
PATCH_OFFSET((ptr - 2), C.marikoCpuHighVmin);
}
if (C.marikoCpuMaxVolt) {
PATCH_OFFSET((ptr + 5), C.marikoCpuMaxVolt);
}
R_SUCCEED();
}
Result CpuVoltDfll(u32 *ptr) {
@@ -494,7 +492,7 @@ namespace ams::ldr::oc::pcv::mariko {
// WRITE_PARAM_ALL_REG(table, emc_rfcpb, GET_CYCLE(tRFCpb));
// WRITE_PARAM_ALL_REG(table, emc_r2w, tR2W);
// WRITE_PARAM_ALL_REG(table, emc_w2r, tW2R);
WRITE_PARAM_ALL_REG(table, emc_r2p, (u32) 0xC);
// WRITE_PARAM_ALL_REG(table, emc_r2p, (u32) 0xC);
// WRITE_PARAM_ALL_REG(table, emc_w2p, (u32) 0x2D);
//
// WRITE_PARAM_ALL_REG(table, emc_rext, rext);
@@ -636,6 +634,8 @@ namespace ams::ldr::oc::pcv::mariko {
// table->dram_timings.t_rp = tRFCpb;
// table->dram_timings.t_rfc = tRFCab;
// table->emc_cfg_2 = 0x11083d;
(void) table;
}
void MemMtcPllmbDivisor(MarikoMtcTable *table) {
@@ -846,7 +846,7 @@ namespace ams::ldr::oc::pcv::mariko {
PatcherEntry<u32> patches[] = {
{"CPU Freq Vdd", &CpuFreqVdd, 1, nullptr, CpuClkOSLimit},
{"CPU Freq Table", CpuFreqCvbTable<true>, 1, nullptr, CpuCvbDefaultMaxFreq},
{"CPU Volt Range", &CpuVoltRange, 13, nullptr, CpuVminOfficial},
{"CPU Volt Range", &CpuVoltRange, 1, nullptr, CpuVminOfficial},
{"CPU Volt Dfll", &CpuVoltDfll, 1, nullptr, 0x0000FFCF},
{"GPU Freq Table", GpuFreqCvbTable<true>, 1, nullptr, GpuCvbDefaultMaxFreq},
{"GPU Freq Asm", &GpuFreqMaxAsm, 2, &GpuMaxClockPatternFn},