1 files changed, 26 insertions, 0 deletions
diff --git a/Kernel/Arch/aarch64/MMIO.cpp b/Kernel/Arch/aarch64/MMIO.cpp
new file mode 100644
index 0000000000..a6b270a17d
--- /dev/null
+++ b/Kernel/Arch/aarch64/MMIO.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021, Nico Weber <thakis@chromium.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <Kernel/Arch/aarch64/MMIO.h>
+#include <Kernel/Arch/aarch64/MainIdRegister.h>
+
+namespace Prekernel {
+
+MMIO::MMIO()
+    : m_base_address(0xFE00'0000)
+{
+    MainIdRegister id;
+    if (id.part_num() <= MainIdRegister::RaspberryPi3)
+        m_base_address = 0x3F00'0000;
+}
+
+MMIO& MMIO::the()
+{
+    static MMIO instance;
+    return instance;
+}
+
+}