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 DECLARE_GLOBAL_DATA_PTR;
30 #if defined(CONFIG_SERIAL_MULTI)
32 static struct serial_device *serial_devices = NULL;
33 static struct serial_device *serial_current = NULL;
36 struct serial_device *default_serial_console (void)
38 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
39 return &serial_smc_device;
40 #elif defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
41 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
42 return &serial_scc_device;
43 #elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
44 || defined(CONFIG_405EP) || defined(CONFIG_MPC5xxx)
45 return &serial0_device;
47 #error No default console
52 static int serial_register (struct serial_device *dev)
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) || defined(CONFIG_MPC5xxx)
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 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
135 struct serial_device *dev = default_serial_console ();
140 return serial_current->init ();
143 void serial_setbrg (void)
145 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
146 struct serial_device *dev = default_serial_console ();
152 serial_current->setbrg ();
155 int serial_getc (void)
157 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
158 struct serial_device *dev = default_serial_console ();
163 return serial_current->getc ();
166 int serial_tstc (void)
168 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
169 struct serial_device *dev = default_serial_console ();
174 return serial_current->tstc ();
177 void serial_putc (const char c)
179 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
180 struct serial_device *dev = default_serial_console ();
186 serial_current->putc (c);
189 void serial_puts (const char *s)
191 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
192 struct serial_device *dev = default_serial_console ();
198 serial_current->puts (s);
201 #endif /* CONFIG_SERIAL_MULTI */