From 6d0399f352acf356113281353674ce74fdded670 Mon Sep 17 00:00:00 2001
From: souldbminersmwc <souldbyt@gmail.com>
Date: Wed, 21 Jan 2026 15:45:51 -0500
Subject: [PATCH] ldr/sysclk: update tWRL setting method

---
 .../stratosphere/loader/source/oc/customize.cpp    |  4 ++--
 .../loader/source/oc/mtc_timing_value.hpp          |  4 ++--
 Source/sys-clk/overlay/src/ui/gui/misc_gui.cpp     | 14 ++++++++------
 3 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
index 6d0d3a34..35377624 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
@@ -54,8 +54,8 @@ volatile CustomizeTable C = {
 
 /* Set to 4 read and 2 write for 1866b tWRL. */
 /* For 2133 tWRL: 8 read and 4 write. */
-.mem_burst_read_latency = 8,
-.mem_burst_write_latency = 4,
+.mem_burst_read_latency = 40,
+.mem_burst_write_latency = 18,
 
 .eristaCpuUV = 0,
 .eristaCpuVmin = 800,
diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/mtc_timing_value.hpp b/Source/Atmosphere/stratosphere/loader/source/oc/mtc_timing_value.hpp
index 6c0be364..745d36fe 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/mtc_timing_value.hpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/mtc_timing_value.hpp
@@ -42,8 +42,8 @@ namespace ams::ldr::oc {
     const u32 BL = 16;
 
     /* Base latency for read and write (tWRL). */
-    const u32 RL = 28 + C.mem_burst_read_latency;
-    const u32 WL = 14 + C.mem_burst_write_latency;
+    const u32 RL = C.mem_burst_read_latency;
+    const u32 WL = C.mem_burst_write_latency;
 
     /* Switch uses RL_DBI, todo: get rid of non DBI_RL. */
     const u32 RL_DBI = RL + 4;
diff --git a/Source/sys-clk/overlay/src/ui/gui/misc_gui.cpp b/Source/sys-clk/overlay/src/ui/gui/misc_gui.cpp
index f3b87aed..a56a5aed 100644
--- a/Source/sys-clk/overlay/src/ui/gui/misc_gui.cpp
+++ b/Source/sys-clk/overlay/src/ui/gui/misc_gui.cpp
@@ -692,15 +692,17 @@ protected:
         this->listElement->addItem(new tsl::elm::CategoryHeader("Memory Latencies"));
 
         std::vector<NamedValue> rlLabels = {
-            NamedValue("1600BL", 0),
-            NamedValue("1866BL", 4),
-            NamedValue("2133BL", 8)
+            NamedValue("2133RL", 40)
+            NamedValue("1866RL", 36),
+            NamedValue("1600RL", 32),
+            NamedValue("1333RL", 28),
         };
 
         std::vector<NamedValue> wlLabels = {
-            NamedValue("1600BL", 0),
-            NamedValue("1866BL", 2),
-            NamedValue("2133BL", 4)
+            NamedValue("2133WL", 18),
+            NamedValue("1866WL", 16),
+            NamedValue("1600WL", 14),
+            NamedValue("1333WL", 12)
         };
 
         addConfigButton(