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authorStefan Roese <sr@denx.de>2006-11-30 13:08:32 +0100
committerStefan Roese <sr@denx.de>2006-11-30 13:08:32 +0100
commit5c97aeb8d8b780b10a1cb0beaca196c009f5a62a (patch)
tree07b2f5b8692461d84048ddd3c31e88c7d2e1d6f3 /board/prodrive/p3mx/serial.h
parentb690b7da0fdaa6055e94a82fdb468a1aa8771246 (diff)
parent8d9a8610b8256331132227e9e6585c6bd5742787 (diff)
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Merge with git+ssh://sr@pollux.denx.org/home/sr/git/u-boot/denx/.git
Diffstat (limited to 'board/prodrive/p3mx/serial.h')
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diff --git a/board/prodrive/p3mx/serial.h b/board/prodrive/p3mx/serial.h
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+/*
+ * (C) Copyright 2001
+ * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
+ *
+ * modified for marvell db64360 eval board by
+ * Ingo Assmus <ingo.assmus@keymile.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* serial.h - mostly useful for DUART serial_init in serial.c */
+
+#ifndef __SERIAL_H__
+#define __SERIAL_H__
+
+#if 0
+
+#define B230400 1
+#define B115200 2
+#define B57600 4
+#define B38400 82
+#define B19200 163
+#define B9600 24
+#define B4800 651
+#define B2400 1302
+#define B1200 2604
+#define B600 5208
+#define B300 10417
+#define B150 20833
+#define B110 28409
+#define BDEFAULT B115200
+
+ /* this stuff is important to initialize
+ the DUART channels */
+
+#define Scale 0x01L /* distance between port addresses */
+#define COM1 0x000003f8 /* Keyboard */
+#define COM2 0x000002f8 /* Host */
+
+
+/* Port Definitions relative to base COM port addresses */
+#define DataIn (0x00*Scale) /* data input port */
+#define DataOut (0x00*Scale) /* data output port */
+#define BaudLsb (0x00*Scale) /* baud rate divisor least significant byte */
+#define BaudMsb (0x01*Scale) /* baud rate divisor most significant byte */
+#define Ier (0x01*Scale) /* interrupt enable register */
+#define Iir (0x02*Scale) /* interrupt identification register */
+#define Lcr (0x03*Scale) /* line control register */
+#define Mcr (0x04*Scale) /* modem control register */
+#define Lsr (0x05*Scale) /* line status register */
+#define Msr (0x06*Scale) /* modem status register */
+
+/* Bit Definitions for above ports */
+#define LcrDlab 0x80 /* b7: enable baud rate divisor registers */
+#define LcrDflt 0x03 /* b6-0: no parity, 1 stop, 8 data */
+
+#define McrRts 0x02 /* b1: request to send (I am ready to xmit) */
+#define McrDtr 0x01 /* b0: data terminal ready (I am alive ready to rcv) */
+#define McrDflt (McrRts|McrDtr)
+
+#define LsrTxD 0x6000 /* b5: transmit holding register empty (i.e. xmit OK!)*/
+ /* b6: transmitter empty */
+#define LsrRxD 0x0100 /* b0: received data ready (i.e. got a byte!) */
+
+#define MsrRi 0x0040 /* b6: ring indicator (other guy is ready to rcv) */
+#define MsrDsr 0x0020 /* b5: data set ready (other guy is alive ready to rcv */
+#define MsrCts 0x0010 /* b4: clear to send (other guy is ready to rcv) */
+
+#define IerRda 0xf /* b0: Enable received data available interrupt */
+
+#endif
+
+#endif /* __SERIAL_H__ */