3 * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #ifdef CFG_NS16550_SERIAL
34 #if CONFIG_CONS_INDEX == 1
35 static NS16550_t console = (NS16550_t) CFG_NS16550_COM1;
36 #elif CONFIG_CONS_INDEX == 2
37 static NS16550_t console = (NS16550_t) CFG_NS16550_COM2;
38 #elif CONFIG_CONS_INDEX == 3
39 static NS16550_t console = (NS16550_t) CFG_NS16550_COM3;
40 #elif CONFIG_CONS_INDEX == 4
41 static NS16550_t console = (NS16550_t) CFG_NS16550_COM4;
43 #error no valid console defined
46 static int calc_divisor (void)
48 return (CFG_NS16550_CLK / 16 / CONFIG_BAUDRATE);
51 int serial_init (void)
53 int clock_divisor = calc_divisor();
59 NS16550_init(console, clock_divisor);
65 serial_putc(const char c)
68 NS16550_putc(console, '\r');
70 NS16550_putc(console, c);
74 serial_puts (const char *s)
85 return NS16550_getc(console);
91 return NS16550_tstc(console);
99 clock_divisor = calc_divisor();
100 NS16550_reinit(console, clock_divisor);