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Aubrey Li26bf7de2007-03-19 01:24:52 +08001/*
2 * U-boot - bf537_serial.h Serial Driver defines
3 *
Aubrey Li155fd762007-04-05 18:31:18 +08004 * Copyright (c) 2005-2007 Analog Devices Inc.
Aubrey Li26bf7de2007-03-19 01:24:52 +08005 *
6 * This file is based on
7 * bf533_serial.h: Definitions for the BlackFin BF533 DSP serial driver.
8 * Copyright (C) 2003 Bas Vermeulen <bas@buyways.nl>
9 * BuyWays B.V. (www.buyways.nl)
10 *
11 * Based heavily on:
12 * blkfinserial.h: Definitions for the BlackFin DSP serial driver.
13 *
14 * Copyright (C) 2001 Tony Z. Kou tonyko@arcturusnetworks.com
15 * Copyright (C) 2001 Arcturus Networks Inc. <www.arcturusnetworks.com>
16 *
17 * Based on code from 68328serial.c which was:
18 * Copyright (C) 1995 David S. Miller <davem@caip.rutgers.edu>
19 * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
20 * Copyright (C) 1998, 1999 D. Jeff Dionne <jeff@uclinux.org>
21 * Copyright (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>
22 *
23 * (C) Copyright 2000-2004
24 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
25 *
26 * See file CREDITS for list of people who contributed to this
27 * project.
28 *
29 * This program is free software; you can redistribute it and/or
30 * modify it under the terms of the GNU General Public License as
31 * published by the Free Software Foundation; either version 2 of
32 * the License, or (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
Aubrey Li155fd762007-04-05 18:31:18 +080041 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
42 * MA 02110-1301 USA
Aubrey Li26bf7de2007-03-19 01:24:52 +080043 */
44
45#ifndef _Bf537_SERIAL_H
46#define _Bf537_SERIAL_H
47
48#include <linux/config.h>
49#include <asm/blackfin.h>
50
51#define SYNC_ALL __asm__ __volatile__ ("ssync;\n")
52#define ACCESS_LATCH *pUART_LCR |= UART_LCR_DLAB;
53#define ACCESS_PORT_IER *pUART_LCR &= (~UART_LCR_DLAB);
54
55void serial_setbrg(void);
56static void local_put_char(char ch);
57void calc_baud(void);
58void serial_setbrg(void);
59int serial_init(void);
60void serial_putc(const char c);
61int serial_tstc(void);
62int serial_getc(void);
63void serial_puts(const char *s);
64static void local_put_char(char ch);
65
66int baud_table[5] = { 9600, 19200, 38400, 57600, 115200 };
67
68struct {
69 unsigned char dl_high;
70 unsigned char dl_low;
71} hw_baud_table[5];
72
73#ifdef CONFIG_STAMP
74extern unsigned long pll_div_fact;
75#endif
76
77#endif