From 4ae4d16dba922b1291c2a80f1308431a06ef6b88 Mon Sep 17 00:00:00 2001
From: TuxSH <1922548+TuxSH@users.noreply.github.com>
Date: Mon, 1 Feb 2021 02:51:14 +0000
Subject: [PATCH] rosalina: print sdmmc speed info in debug menu

---
 sysmodules/rosalina/source/menus.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/sysmodules/rosalina/source/menus.c b/sysmodules/rosalina/source/menus.c
index 8665583..8763d4a 100644
--- a/sysmodules/rosalina/source/menus.c
+++ b/sysmodules/rosalina/source/menus.c
@@ -86,6 +86,8 @@ void RosalinaMenu_ShowDebugInfo(void)
     u32 kextSize = (u32)kextAddrSize;
 
     u32 kernelVer = osGetKernelVersion();
+    FS_SdMmcSpeedInfo speedInfo;
+
     do
     {
         Draw_Lock();
@@ -98,10 +100,29 @@ void RosalinaMenu_ShowDebugInfo(void)
             GET_VERSION_MAJOR(kernelVer), GET_VERSION_MINOR(kernelVer), GET_VERSION_REVISION(kernelVer)
         );
         if (mcuFwVersion != 0)
+        {
             posY = Draw_DrawFormattedString(
                 10, posY, COLOR_WHITE, "MCU FW version: %lu.%lu\n",
                 GET_VERSION_MAJOR(mcuFwVersion), GET_VERSION_MINOR(mcuFwVersion)
             );
+        }
+
+        if (R_SUCCEEDED(FSUSER_GetSdmcSpeedInfo(&speedInfo)))
+        {
+            u32 clkDiv = 1 << (1 + (speedInfo.sdClkCtrl & 0xFF));
+            posY = Draw_DrawFormattedString(
+                10, posY, COLOR_WHITE, "SDMC speed: HS=%d %lukHz\n",
+                (int)speedInfo.highSpeedModeEnabled, SYSCLOCK_SDMMC / (1000 * clkDiv)
+            );
+        }
+        if (R_SUCCEEDED(FSUSER_GetNandSpeedInfo(&speedInfo)))
+        {
+            u32 clkDiv = 1 << (1 + (speedInfo.sdClkCtrl & 0xFF));
+            posY = Draw_DrawFormattedString(
+                10, posY, COLOR_WHITE, "NAND speed: HS=%d %lukHz\n",
+                (int)speedInfo.highSpeedModeEnabled, SYSCLOCK_SDMMC / (1000 * clkDiv)
+            );
+        }
         Draw_FlushFramebuffer();
         Draw_Unlock();
     }