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;
63 #elif defined(CONFIG_S3C2410)
64 #if defined(CONFIG_SERIAL1)
65 return &s3c24xx_serial0_device;
66 #elif defined(CONFIG_SERIAL2)
67 return &s3c24xx_serial1_device;
68 #elif defined(CONFIG_SERIAL3)
69 return &s3c24xx_serial2_device;
71 #error "CONFIG_SERIAL? missing."
74 #error No default console
78 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
81 int serial_register (struct serial_device *dev)
83 dev->init += gd->reloc_off;
84 dev->setbrg += gd->reloc_off;
85 dev->getc += gd->reloc_off;
86 dev->tstc += gd->reloc_off;
87 dev->putc += gd->reloc_off;
88 dev->puts += gd->reloc_off;
90 dev->next = serial_devices;
96 void serial_initialize (void)
98 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
99 serial_register (&serial_smc_device);
101 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
102 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
103 serial_register (&serial_scc_device);
106 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
107 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
108 || defined(CONFIG_MPC5xxx)
109 serial_register(&serial0_device);
110 serial_register(&serial1_device);
113 #if defined(CFG_NS16550_SERIAL)
114 #if defined(CFG_NS16550_COM1)
115 serial_register(&eserial1_device);
117 #if defined(CFG_NS16550_COM2)
118 serial_register(&eserial2_device);
120 #if defined(CFG_NS16550_COM3)
121 serial_register(&eserial3_device);
123 #if defined(CFG_NS16550_COM4)
124 serial_register(&eserial4_device);
126 #endif /* CFG_NS16550_SERIAL */
127 #if defined (CONFIG_FFUART)
128 serial_register(&serial_ffuart_device);
130 #if defined (CONFIG_BTUART)
131 serial_register(&serial_btuart_device);
133 #if defined (CONFIG_STUART)
134 serial_register(&serial_stuart_device);
136 #if defined(CONFIG_S3C2410)
137 serial_register(&s3c24xx_serial0_device);
138 serial_register(&s3c24xx_serial1_device);
139 serial_register(&s3c24xx_serial2_device);
141 serial_assign (default_serial_console ()->name);
144 void serial_devices_init (void)
147 struct serial_device *s = serial_devices;
150 memset (&dev, 0, sizeof (dev));
152 strcpy (dev.name, s->name);
153 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
161 device_register (&dev);
167 int serial_assign (char *name)
169 struct serial_device *s;
171 for (s = serial_devices; s; s = s->next) {
172 if (strcmp (s->name, name) == 0) {
181 void serial_reinit_all (void)
183 struct serial_device *s;
185 for (s = serial_devices; s; s = s->next) {
190 int serial_init (void)
192 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
193 struct serial_device *dev = default_serial_console ();
198 return serial_current->init ();
201 void serial_setbrg (void)
203 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
204 struct serial_device *dev = default_serial_console ();
210 serial_current->setbrg ();
213 int serial_getc (void)
215 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
216 struct serial_device *dev = default_serial_console ();
221 return serial_current->getc ();
224 int serial_tstc (void)
226 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
227 struct serial_device *dev = default_serial_console ();
232 return serial_current->tstc ();
235 void serial_putc (const char c)
237 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
238 struct serial_device *dev = default_serial_console ();
244 serial_current->putc (c);
247 void serial_puts (const char *s)
249 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
250 struct serial_device *dev = default_serial_console ();
256 serial_current->puts (s);
259 #endif /* CONFIG_SERIAL_MULTI */