3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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,
28 #if defined(CONFIG_SERIAL_MULTI)
30 static struct serial_device *serial_devices = NULL;
31 static struct serial_device *serial_current = NULL;
34 struct serial_device *default_serial_console (void)
36 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
37 return &serial_smc_device;
38 #elif defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
39 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
40 return &serial_scc_device;
41 #elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
42 || defined(CONFIG_405EP)
43 return &serial0_device;
45 #error No default console
50 static int serial_register (struct serial_device *dev)
52 DECLARE_GLOBAL_DATA_PTR;
54 dev->init += gd->reloc_off;
55 dev->setbrg += gd->reloc_off;
56 dev->getc += gd->reloc_off;
57 dev->tstc += gd->reloc_off;
58 dev->putc += gd->reloc_off;
59 dev->puts += gd->reloc_off;
61 dev->next = serial_devices;
67 void serial_initialize (void)
69 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
70 serial_register (&serial_smc_device);
72 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
73 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
74 serial_register (&serial_scc_device);
77 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
78 || defined(CONFIG_405EP)
79 serial_register(&serial0_device);
80 serial_register(&serial1_device);
83 serial_assign (default_serial_console ()->name);
86 void serial_devices_init (void)
89 struct serial_device *s = serial_devices;
92 memset (&dev, 0, sizeof (dev));
94 strcpy (dev.name, s->name);
95 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
103 device_register (&dev);
109 int serial_assign (char *name)
111 struct serial_device *s;
113 for (s = serial_devices; s; s = s->next) {
114 if (strcmp (s->name, name) == 0) {
123 void serial_reinit_all (void)
125 struct serial_device *s;
127 for (s = serial_devices; s; s = s->next) {
132 int serial_init (void)
134 DECLARE_GLOBAL_DATA_PTR;
136 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
137 struct serial_device *dev = default_serial_console ();
142 return serial_current->init ();
145 void serial_setbrg (void)
147 DECLARE_GLOBAL_DATA_PTR;
149 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
150 struct serial_device *dev = default_serial_console ();
156 serial_current->setbrg ();
159 int serial_getc (void)
161 DECLARE_GLOBAL_DATA_PTR;
163 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
164 struct serial_device *dev = default_serial_console ();
169 return serial_current->getc ();
172 int serial_tstc (void)
174 DECLARE_GLOBAL_DATA_PTR;
176 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
177 struct serial_device *dev = default_serial_console ();
182 return serial_current->tstc ();
185 void serial_putc (const char c)
187 DECLARE_GLOBAL_DATA_PTR;
189 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
190 struct serial_device *dev = default_serial_console ();
196 serial_current->putc (c);
199 void serial_puts (const char *s)
201 DECLARE_GLOBAL_DATA_PTR;
203 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
204 struct serial_device *dev = default_serial_console ();
210 serial_current->puts (s);
213 #endif /* CONFIG_SERIAL_MULTI */