v4.19.13 snapshot.
diff --git a/arch/arm/mach-nspire/mmio.h b/arch/arm/mach-nspire/mmio.h
new file mode 100644
index 0000000..8813471
--- /dev/null
+++ b/arch/arm/mach-nspire/mmio.h
@@ -0,0 +1,20 @@
+/*
+ * linux/arch/arm/mach-nspire/mmio.h
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#define NSPIRE_MISC_PHYS_BASE 0x900A0000
+#define NSPIRE_MISC_HWRESET 0x08
+
+#define NSPIRE_PWR_PHYS_BASE 0x900B0000
+#define NSPIRE_PWR_VIRT_BASE 0xFEEB0000
+#define NSPIRE_PWR_BUS_DISABLE1 0x18
+#define NSPIRE_PWR_BUS_DISABLE2 0x20
+
+#define NSPIRE_LCD_PHYS_BASE 0xC0000000