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 #if defined(CONFIG_UART1_CONSOLE)
44 return &serial1_device;
46 return &serial0_device;
49 #error No default console
54 static int serial_register (struct serial_device *dev)
56 DECLARE_GLOBAL_DATA_PTR;
58 dev->init += gd->reloc_off;
59 dev->setbrg += gd->reloc_off;
60 dev->getc += gd->reloc_off;
61 dev->tstc += gd->reloc_off;
62 dev->putc += gd->reloc_off;
63 dev->puts += gd->reloc_off;
65 dev->next = serial_devices;
71 void serial_initialize (void)
73 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
74 serial_register (&serial_smc_device);
76 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
77 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
78 serial_register (&serial_scc_device);
81 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
82 || defined(CONFIG_405EP)
83 serial_register(&serial0_device);
84 serial_register(&serial1_device);
87 serial_assign (default_serial_console ()->name);
90 void serial_devices_init (void)
93 struct serial_device *s = serial_devices;
96 memset (&dev, 0, sizeof (dev));
98 strcpy (dev.name, s->name);
99 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
107 device_register (&dev);
113 int serial_assign (char *name)
115 struct serial_device *s;
117 for (s = serial_devices; s; s = s->next) {
118 if (strcmp (s->name, name) == 0) {
127 void serial_reinit_all (void)
129 struct serial_device *s;
131 for (s = serial_devices; s; s = s->next) {
136 int serial_init (void)
138 DECLARE_GLOBAL_DATA_PTR;
140 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
141 struct serial_device *dev = default_serial_console ();
146 return serial_current->init ();
149 void serial_setbrg (void)
151 DECLARE_GLOBAL_DATA_PTR;
153 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
154 struct serial_device *dev = default_serial_console ();
160 serial_current->setbrg ();
163 int serial_getc (void)
165 DECLARE_GLOBAL_DATA_PTR;
167 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
168 struct serial_device *dev = default_serial_console ();
173 return serial_current->getc ();
176 int serial_tstc (void)
178 DECLARE_GLOBAL_DATA_PTR;
180 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
181 struct serial_device *dev = default_serial_console ();
186 return serial_current->tstc ();
189 void serial_putc (const char c)
191 DECLARE_GLOBAL_DATA_PTR;
193 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
194 struct serial_device *dev = default_serial_console ();
200 serial_current->putc (c);
203 void serial_puts (const char *s)
205 DECLARE_GLOBAL_DATA_PTR;
207 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
208 struct serial_device *dev = default_serial_console ();
214 serial_current->puts (s);
217 #endif /* CONFIG_SERIAL_MULTI */