blob: 6ebcd8b414c10939fd7693565138455357b01c41 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2003 Eric Biederman
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <build.h>
#include <arch/hlt.h>
#include <arch/io.h>
#ifndef __PRE_RAM__
#include <string.h>
/*
* FIXME: get_option() needs to be abstracted better so that other non-volatile
* storage can be used. This will benefit machines without CMOS as well as those
* without a battery-backed CMOS (e.g. some laptops).
*/
#if CONFIG_USE_OPTION_TABLE
#include <pc80/mc146818rtc.h>
#else
static inline int get_option(void *dest, const char *name) { return -1; }
#endif
/* initialize the console */
void console_init(void)
{
struct console_driver *driver;
if(get_option(&console_loglevel, "debug_level"))
console_loglevel=CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
for(driver = console_drivers; driver < econsole_drivers; driver++) {
if (!driver->init)
continue;
driver->init();
}
}
void console_tx_flush(void)
{
struct console_driver *driver;
for(driver = console_drivers; driver < econsole_drivers; driver++) {
if (!driver->tx_flush)
continue;
driver->tx_flush();
}
}
static void __console_tx_byte(unsigned char byte)
{
struct console_driver *driver;
for(driver = console_drivers; driver < econsole_drivers; driver++) {
driver->tx_byte(byte);
}
}
void console_tx_byte(unsigned char byte)
{
if (byte == '\n')
__console_tx_byte('\r');
__console_tx_byte(byte);
}
unsigned char console_rx_byte(void)
{
struct console_driver *driver;
for(driver = console_drivers; driver < econsole_drivers; driver++) {
if (driver->tst_byte)
break;
}
if (driver == econsole_drivers)
return 0;
while (!driver->tst_byte());
return driver->rx_byte();
}
int console_tst_byte(void)
{
struct console_driver *driver;
for(driver = console_drivers; driver < econsole_drivers; driver++)
if (driver->tst_byte)
return driver->tst_byte();
return 0;
}
#else // __PRE_RAM__ ^^^ NOT defined vvv defined
void console_init(void)
{
#if defined(__BOOT_BLOCK__) && CONFIG_BOOTBLOCK_CONSOLE || \
!defined(__BOOT_BLOCK__) && CONFIG_EARLY_CONSOLE
#if CONFIG_USBDEBUG
usbdebug_init();
#endif
#if CONFIG_CONSOLE_SERIAL
uart_init();
#endif
#if CONFIG_DRIVERS_OXFORD_OXPCIE && CONFIG_CONSOLE_SERIAL8250MEM
oxford_init();
#endif
#if CONFIG_CONSOLE_NE2K
ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT);
#endif
#if CONFIG_CONSOLE_CBMEM && !defined(__BOOT_BLOCK__)
cbmemc_init();
#endif
#if CONFIG_SPKMODEM
spkmodem_init();
#endif
static const char console_test[] =
"\n\ncoreboot-"
COREBOOT_VERSION
COREBOOT_EXTRA_VERSION
" "
COREBOOT_BUILD
" starting...\n";
print_info(console_test);
#endif /* CONFIG_EARLY_CONSOLE */
}
#endif
|
