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
DECLARE_GLOBAL_DATA_PTR;
29
#if CONFIG_CONS_INDEX == 1
30
static struct NS16550 *console =
31
(struct NS16550 *) (CONFIG_SYS_EUMB_ADDR + 0x4500);
32
#elif CONFIG_CONS_INDEX == 2
33
static struct NS16550 *console =
34
(struct NS16550 *) (CONFIG_SYS_EUMB_ADDR + 0x4500);
36
#error no valid console defined
39
extern ulong get_bus_freq (ulong);
41
int serial_init (void)
43
int clock_divisor = gd->bus_clk / 16 / gd->baudrate;
45
NS16550_init (CONFIG_CONS_INDEX - 1, clock_divisor);
50
void serial_putc (const char c)
55
NS16550_putc (console, c);
58
void serial_puts (const char *s)
66
int serial_getc (void)
68
return NS16550_getc (console);
71
int serial_tstc (void)
73
return NS16550_tstc (console);
76
void serial_setbrg (void)
78
int clock_divisor = get_bus_freq (0) / 16 / gd->baudrate;
80
NS16550_reinit (console, clock_divisor);