loader: implement emc dvb table shift

Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp

@@ -91,6 +91,8 @@ volatile CustomizeTable C = {
 
 .marikoGpuUV = 0,
 
+.marikoEmcDvbShift = 0,
+
 .ramTimingPresetOne = 0,
 
 .ramTimingPresetTwo = 0,

Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp

@@ -52,9 +52,10 @@ typedef struct CustomizeTable {
     u32 marikoCpuMaxVolt;
     u32 marikoEmcMaxClock;
     u32 marikoEmcVddqVolt;
-    //advanced config
     u32 marikoCpuUV;
     u32 marikoGpuUV;
+    // advanced config
+    u32 marikoEmcDvbShift;
     u32 ramTimingPresetOne;
     u32 ramTimingPresetTwo;
     u32 ramTimingPresetThree;
@@ -62,6 +63,7 @@ typedef struct CustomizeTable {
     u32 ramTimingPresetFive;
     u32 ramTimingPresetSix;
     u32 ramTimingPresetSeven;
+    //
     u32 marikoGpuVoltArray[17];
     CustomizeCpuDvfsTable eristaCpuDvfsTable;
     CustomizeCpuDvfsTable marikoCpuDvfsTable;

Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_mariko.cpp

@@ -371,10 +371,10 @@ Result MemFreqDvbTable(u32* ptr) {
         emc_dvb_dvfs_table_t oc_table = { 2131200, { 725, 700, 675, } };
         std::memcpy(new_start, &oc_table, sizeof(emc_dvb_dvfs_table_t));
     } else if (C.marikoEmcMaxClock < 2665600){
-        emc_dvb_dvfs_table_t oc_table = { 2400000, { 750, 725, 700, } };
+        emc_dvb_dvfs_table_t oc_table = { 2400000, { 750+25*C.marikoEmcDvbShift, 725+25*C.marikoEmcDvbShift, 700+25*C.marikoEmcDvbShift, } };
         std::memcpy(new_start, &oc_table, sizeof(emc_dvb_dvfs_table_t));
     } else {
-        emc_dvb_dvfs_table_t oc_table = { 2665600, { 775, 750, 725, } };
+        emc_dvb_dvfs_table_t oc_table = { 2665600, { 775+25*C.marikoEmcDvbShift, 750+25*C.marikoEmcDvbShift, 725+25*C.marikoEmcDvbShift, } };
         std::memcpy(new_start, &oc_table, sizeof(emc_dvb_dvfs_table_t));
     }
     new_start->freq = C.marikoEmcMaxClock;

Source/sys-clk-OC/sysmodule/src/file_utils.h

@@ -58,6 +58,7 @@ typedef struct CustTable {
     u32 marikoEmcVddqVolt;
     u32 marikoCpuUV;
     u32 marikoGpuUV;
+    u32 marikoEmcDvbShift;
     u32 ramTimingPresetOne;
     u32 ramTimingPresetTwo;
     u32 ramTimingPresetThree;

pages/src/main.ts

@@ -336,6 +336,19 @@ var CustTable: Array<CustEntry> = [
 ];
 
 var AdvTable: Array<AdvEntry> = [
+  new AdvEntry(
+    "marikoEmcDvbShift",
+    "Step up Mariko EMC DVB Table",
+    CustPlatform.Mariko,
+    4,
+    ["Might help with stability at higher memory clock",
+     "<b>0</b> : Don't Adjust",
+     "<b>1</b> : Shift one step",
+     "<b>2</b> : Shift two step"],
+     0,
+     [0,2],
+     1,
+  ),
   new AdvEntry(
     "ramTimingPresetOne",
     "Primary RAM Timing Preset",