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,
26 #include <stdio_dev.h>
28 DECLARE_GLOBAL_DATA_PTR;
30 static struct serial_device *serial_devices = NULL;
31 static struct serial_device *serial_current = NULL;
33 #if !defined(CONFIG_LWMON) && !defined(CONFIG_PXA27X)
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) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
43 || defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC83xx) \
44 || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
45 #if defined(CONFIG_CONS_INDEX) && defined(CONFIG_SYS_NS16550_SERIAL)
46 #if (CONFIG_CONS_INDEX==1)
47 return &eserial1_device;
48 #elif (CONFIG_CONS_INDEX==2)
49 return &eserial2_device;
50 #elif (CONFIG_CONS_INDEX==3)
51 return &eserial3_device;
52 #elif (CONFIG_CONS_INDEX==4)
53 return &eserial4_device;
55 #error "Bad CONFIG_CONS_INDEX."
57 #elif defined(CONFIG_UART1_CONSOLE)
58 return &serial1_device;
60 return &serial0_device;
62 #elif defined(CONFIG_S3C2410)
63 #if defined(CONFIG_SERIAL1)
64 return &s3c24xx_serial0_device;
65 #elif defined(CONFIG_SERIAL2)
66 return &s3c24xx_serial1_device;
67 #elif defined(CONFIG_SERIAL3)
68 return &s3c24xx_serial2_device;
70 #error "CONFIG_SERIAL? missing."
72 #elif defined(CONFIG_OMAP3_ZOOM2)
73 return ZOOM2_DEFAULT_SERIAL_DEVICE;
75 #error No default console
79 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
82 int serial_register (struct serial_device *dev)
84 #ifndef CONFIG_RELOC_FIXUP_WORKS
85 dev->init += gd->reloc_off;
86 dev->setbrg += gd->reloc_off;
87 dev->getc += gd->reloc_off;
88 dev->tstc += gd->reloc_off;
89 dev->putc += gd->reloc_off;
90 dev->puts += gd->reloc_off;
93 dev->next = serial_devices;
99 void serial_initialize (void)
101 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
102 serial_register (&serial_smc_device);
104 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
105 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
106 serial_register (&serial_scc_device);
109 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
110 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
111 || defined(CONFIG_MPC5xxx)
112 serial_register(&serial0_device);
113 serial_register(&serial1_device);
116 #if defined(CONFIG_SYS_NS16550_SERIAL)
117 #if defined(CONFIG_SYS_NS16550_COM1)
118 serial_register(&eserial1_device);
120 #if defined(CONFIG_SYS_NS16550_COM2)
121 serial_register(&eserial2_device);
123 #if defined(CONFIG_SYS_NS16550_COM3)
124 serial_register(&eserial3_device);
126 #if defined(CONFIG_SYS_NS16550_COM4)
127 serial_register(&eserial4_device);
129 #endif /* CONFIG_SYS_NS16550_SERIAL */
130 #if defined (CONFIG_FFUART)
131 serial_register(&serial_ffuart_device);
133 #if defined (CONFIG_BTUART)
134 serial_register(&serial_btuart_device);
136 #if defined (CONFIG_STUART)
137 serial_register(&serial_stuart_device);
139 #if defined(CONFIG_S3C2410)
140 serial_register(&s3c24xx_serial0_device);
141 serial_register(&s3c24xx_serial1_device);
142 serial_register(&s3c24xx_serial2_device);
144 serial_assign (default_serial_console ()->name);
147 void serial_stdio_init (void)
149 struct stdio_dev dev;
150 struct serial_device *s = serial_devices;
153 memset (&dev, 0, sizeof (dev));
155 strcpy (dev.name, s->name);
156 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
164 stdio_register (&dev);
170 int serial_assign (char *name)
172 struct serial_device *s;
174 for (s = serial_devices; s; s = s->next) {
175 if (strcmp (s->name, name) == 0) {
184 void serial_reinit_all (void)
186 struct serial_device *s;
188 for (s = serial_devices; s; s = s->next) {
193 int serial_init (void)
195 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
196 struct serial_device *dev = default_serial_console ();
201 return serial_current->init ();
204 void serial_setbrg (void)
206 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
207 struct serial_device *dev = default_serial_console ();
213 serial_current->setbrg ();
216 int serial_getc (void)
218 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
219 struct serial_device *dev = default_serial_console ();
224 return serial_current->getc ();
227 int serial_tstc (void)
229 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
230 struct serial_device *dev = default_serial_console ();
235 return serial_current->tstc ();
238 void serial_putc (const char c)
240 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
241 struct serial_device *dev = default_serial_console ();
247 serial_current->putc (c);
250 void serial_puts (const char *s)
252 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
253 struct serial_device *dev = default_serial_console ();
259 serial_current->puts (s);