--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/lunadrv/luna.h	Thu May 07 02:19:51 2020 +0000
@@ -0,0 +1,20 @@
+/*
+ * This header file provides definitions for the Luna LCD hardware interface.
+ */
+
+/* reset control */
+#define	CNTL_RST_REG	(*(volatile u16 *)0xFFFFFD04)
+#define	EXT_RESET	0x0004
+
+/* the LCD is connected to Calypso nCS3, with A1 line as register select */
+
+#define	LCD_IR		(*(volatile u16 *)0x02000000)
+#define	LCD_DR		(*(volatile u16 *)0x02000002)
+
+/* macro for writing first IR, then DR */
+
+#define	LCD_REG_WR(reg, data)	{LCD_IR = (reg); LCD_DR = (data);}
+
+/* some init operations call for controlled delays */
+
+#define	DELAY_1MS	13000