1 files changed, 79 insertions, 0 deletions
diff --git a/board/bmw/ns16550.h b/board/bmw/ns16550.h
new file mode 100755
index 0000000..104f45b
--- /dev/null
+++ b/board/bmw/ns16550.h
@@ -0,0 +1,79 @@
+/*
+ * NS16550 Serial Port
+ * originally from linux source (arch/ppc/boot/ns16550.h)
+ * modified slightly to
+ * have addresses as offsets from CFG_ISA_BASE
+ * added a few more definitions
+ * added prototypes for ns16550.c
+ * reduced no of com ports to 2
+ * modifications (c) Rob Taylor, Flying Pig Systems. 2000.
+ * further modified to support the 8245 duart
+ * modifications (c) Paul Jimenez, Musenki, Inc. 2001.
+ */
+
+
+struct NS16550 {
+	unsigned char rbrthrdlb;	/* 0 */
+	unsigned char ierdmb;		/* 1 */
+	unsigned char iirfcrafr;	/* 2 */
+	unsigned char lcr;		/* 3 */
+	unsigned char mcr;		/* 4 */
+	unsigned char lsr;		/* 5 */
+	unsigned char msr;		/* 6 */
+	unsigned char scr;		/* 7 */
+	unsigned char reserved[2];	/* 8 & 9 */
+	unsigned char dsr;		/* 10 */
+	unsigned char dcr;		/* 11 */
+};
+
+
+#define rbr rbrthrdlb
+#define thr rbrthrdlb
+#define dll rbrthrdlb
+#define ier ierdmb
+#define dlm ierdmb
+#define iir iirfcrafr
+#define fcr iirfcrafr
+#define afr iirfcrafr
+
+#define FCR_FIFO_EN     0x01	/*fifo enable */
+#define FCR_RXSR        0x02	/*reciever soft reset */
+#define FCR_TXSR        0x04	/*transmitter soft reset */
+#define FCR_DMS		0x08	/* DMA Mode Select */
+
+#define MCR_RTS         0x02	/* Readyu to Send */
+#define MCR_LOOP	0x10	/* Local loopback mode enable */
+/* #define MCR_DTR         0x01    noton 8245 duart */
+/* #define MCR_DMA_EN      0x04    noton 8245 duart */
+/* #define MCR_TX_DFR      0x08    noton 8245 duart */
+
+#define LCR_WLS_MSK 0x03	/* character length slect mask */
+#define LCR_WLS_5   0x00	/* 5 bit character length */
+#define LCR_WLS_6   0x01	/* 6 bit character length */
+#define LCR_WLS_7   0x02	/* 7 bit character length */
+#define LCR_WLS_8   0x03	/* 8 bit character length */
+#define LCR_STB     0x04	/* Number of stop Bits, off = 1, on = 1.5 or 2) */
+#define LCR_PEN     0x08	/* Parity eneble */
+#define LCR_EPS     0x10	/* Even Parity Select */
+#define LCR_STKP    0x20	/* Stick Parity */
+#define LCR_SBRK    0x40	/* Set Break */
+#define LCR_BKSE    0x80	/* Bank select enable - aka DLAB on 8245 */
+
+#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 */
+
+/* useful defaults for LCR*/
+#define LCR_8N1     0x03
+
+
+volatile struct NS16550 *NS16550_init (int chan, int baud_divisor);
+void NS16550_putc (volatile struct NS16550 *com_port, unsigned char c);
+unsigned char NS16550_getc (volatile struct NS16550 *com_port);
+int NS16550_tstc (volatile struct NS16550 *com_port);
+void NS16550_reinit (volatile struct NS16550 *com_port, int baud_divisor);