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;
35 #if !defined(CONFIG_LWMON) && !defined(CONFIG_PXA27X)
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_405EZ) || defined(CONFIG_405EX) \
45 || defined(CONFIG_MPC5xxx)
46 #if defined(CONFIG_CONS_INDEX) && defined(CFG_NS16550_SERIAL)
47 #if (CONFIG_CONS_INDEX==1)
48 return &eserial1_device;
49 #elif (CONFIG_CONS_INDEX==2)
50 return &eserial2_device;
51 #elif (CONFIG_CONS_INDEX==3)
52 return &eserial3_device;
53 #elif (CONFIG_CONS_INDEX==4)
54 return &eserial4_device;
56 #error "Bad CONFIG_CONS_INDEX."
58 #elif defined(CONFIG_UART1_CONSOLE)
59 return &serial1_device;
61 return &serial0_device;
64 #error No default console
69 int serial_register (struct serial_device *dev)
71 dev->init += gd->reloc_off;
72 dev->setbrg += gd->reloc_off;
73 dev->getc += gd->reloc_off;
74 dev->tstc += gd->reloc_off;
75 dev->putc += gd->reloc_off;
76 dev->puts += gd->reloc_off;
78 dev->next = serial_devices;
84 void serial_initialize (void)
86 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
87 serial_register (&serial_smc_device);
89 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
90 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
91 serial_register (&serial_scc_device);
94 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
95 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
96 || defined(CONFIG_MPC5xxx)
97 serial_register(&serial0_device);
98 serial_register(&serial1_device);
101 #if defined(CFG_NS16550_SERIAL)
102 #if defined(CFG_NS16550_COM1)
103 serial_register(&eserial1_device);
105 #if defined(CFG_NS16550_COM2)
106 serial_register(&eserial2_device);
108 #if defined(CFG_NS16550_COM3)
109 serial_register(&eserial3_device);
111 #if defined(CFG_NS16550_COM4)
112 serial_register(&eserial4_device);
114 #endif /* CFG_NS16550_SERIAL */
115 #if defined (CONFIG_FFUART)
116 serial_register(&serial_ffuart_device);
118 #if defined (CONFIG_BTUART)
119 serial_register(&serial_btuart_device);
121 #if defined (CONFIG_STUART)
122 serial_register(&serial_stuart_device);
124 serial_assign (default_serial_console ()->name);
127 void serial_devices_init (void)
130 struct serial_device *s = serial_devices;
133 memset (&dev, 0, sizeof (dev));
135 strcpy (dev.name, s->name);
136 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
144 device_register (&dev);
150 int serial_assign (char *name)
152 struct serial_device *s;
154 for (s = serial_devices; s; s = s->next) {
155 if (strcmp (s->name, name) == 0) {
164 void serial_reinit_all (void)
166 struct serial_device *s;
168 for (s = serial_devices; s; s = s->next) {
173 int serial_init (void)
175 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
176 struct serial_device *dev = default_serial_console ();
181 return serial_current->init ();
184 void serial_setbrg (void)
186 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
187 struct serial_device *dev = default_serial_console ();
193 serial_current->setbrg ();
196 int serial_getc (void)
198 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
199 struct serial_device *dev = default_serial_console ();
204 return serial_current->getc ();
207 int serial_tstc (void)
209 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
210 struct serial_device *dev = default_serial_console ();
215 return serial_current->tstc ();
218 void serial_putc (const char c)
220 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
221 struct serial_device *dev = default_serial_console ();
227 serial_current->putc (c);
230 void serial_puts (const char *s)
232 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
233 struct serial_device *dev = default_serial_console ();
239 serial_current->puts (s);
242 #endif /* CONFIG_SERIAL_MULTI */