patch-2.2.0-pre6 linux/arch/ppc/boot/ns16550.h

• Lines: 35
• Date: Thu Jan 7 12:06:57 1999
• Orig file: v2.2.0-pre5/linux/arch/ppc/boot/ns16550.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.0-pre5/linux/arch/ppc/boot/ns16550.h linux/arch/ppc/boot/ns16550.h
@@ -0,0 +1,34 @@
+/*
+ * NS16550 Serial Port
+ */
+
+struct NS16550
+ {
+  unsigned char rbr;  /* 0 */
+  unsigned char ier;  /* 1 */
+  unsigned char fcr;  /* 2 */
+  unsigned char lcr;  /* 3 */
+  unsigned char mcr;  /* 4 */
+  unsigned char lsr;  /* 5 */
+  unsigned char msr;  /* 6 */
+  unsigned char scr;  /* 7 */
+ };
+
+#define thr rbr
+#define iir fcr
+#define dll rbr
+#define dlm ier
+
+#define LSR_DR   0x01  /* Data ready */
+#define LSR_OE   0x02  /* Overrun */
+#define LSR_PE   0x04  /* Parity error */
+#define LSR_FE   0x08  /* Framing error */
+#define LSR_BI   0x10  /* Break */
+#define LSR_THRE 0x20  /* Xmit holding register empty */
+#define LSR_TEMT 0x40  /* Xmitter empty */
+#define LSR_ERR  0x80  /* Error */
+
+#define COM1 0x800003F8
+#define COM2 0x800002F8
+#define COM3 0x800003F8
+#define COM4 0x80000388