From db47a0c04196c13ffb81ba22df05188c589d877b Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Mon, 6 May 2019 23:14:06 -0700
Subject: [PATCH] boot: implement SetFanEnabled

---
 stratosphere/boot/source/boot_fan_enable.cpp | 26 ++++++++++++++++++++
 stratosphere/boot/source/boot_functions.hpp  |  1 +
 2 files changed, 27 insertions(+)
 create mode 100644 stratosphere/boot/source/boot_fan_enable.cpp

diff --git a/stratosphere/boot/source/boot_fan_enable.cpp b/stratosphere/boot/source/boot_fan_enable.cpp
new file mode 100644
index 000000000..2dc80e23b
--- /dev/null
+++ b/stratosphere/boot/source/boot_fan_enable.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "boot_functions.hpp"
+
+static constexpr u32 GpioPadName_FanEnable = 0x4B;
+
+void Boot::SetFanEnabled() {
+    if (Boot::GetHardwareType() == HardwareType_Copper) {
+        Boot::GpioSetDirection(GpioPadName_FanEnable, GpioDirection_Output);
+        Boot::GpioSetValue(GpioPadName_FanEnable, GpioValue_High);
+    }
+}
diff --git a/stratosphere/boot/source/boot_functions.hpp b/stratosphere/boot/source/boot_functions.hpp
index 87423b70a..a7be01861 100644
--- a/stratosphere/boot/source/boot_functions.hpp
+++ b/stratosphere/boot/source/boot_functions.hpp
@@ -36,6 +36,7 @@ class Boot {
         static void SetInitialClockConfiguration();
         static void ConfigurePinmux();
         static void SetInitialWakePinConfiguration();
+        static void SetFanEnabled();
         static void CheckAndRepairBootImages();
 
         /* Power utilities. */