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fusee_cpp: begin mariko mtc work

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Michael Scire 2021-09-01 19:06:46 -07:00 • committed by SciresM
parent 598edc0a46
commit c4fee796ea
5 changed files with 292 additions and 14 deletions
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15
fusee_cpp/program/source/mtc/fusee_mtc.cpp
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@ -18,12 +18,16 @@
namespace ams::nxboot {
void DoMemoryTrainingErista(int index, void *mtc_tables_buffer);
void DoMemoryTrainingMariko(int index, void *mtc_tables_buffer);
void DoMemoryTrainingMariko(bool *out_did_training, int index, void *mtc_tables_buffer);
void RestoreMemoryClockRateMariko(void *mtc_tables_buffer);
namespace {
alignas(4) constinit u8 g_mtc_tables_buffer[0x26C0];
constinit bool g_did_training_mariko = false;
constexpr const u8 MemoryTrainingTableIndex_Invalid = std::numeric_limits<u8>::max();
constexpr const u8 MemoryTrainingTableIndices[] = {
@ -74,7 +78,14 @@ namespace ams::nxboot {
if (fuse::GetSocType() == fuse::SocType_Erista) {
DoMemoryTrainingErista(index, g_mtc_tables_buffer);
} else {
DoMemoryTrainingMariko(index, g_mtc_tables_buffer);
DoMemoryTrainingMariko(std::addressof(g_did_training_mariko), index, g_mtc_tables_buffer);
}
}
void RestoreMemoryClockRate() {
/* NOTE: This resolves an off-by-one issue in PCV's detection of memory clock rate on Mariko. */
if (fuse::GetSocType() == fuse::SocType_Mariko && g_did_training_mariko) {
RestoreMemoryClockRateMariko(g_mtc_tables_buffer);
}
}