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 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)
44 #if defined(CONFIG_CONS_INDEX) && defined(CONFIG_SYS_NS16550_SERIAL)
45 #if (CONFIG_CONS_INDEX==1)
46 return &eserial1_device;
47 #elif (CONFIG_CONS_INDEX==2)
48 return &eserial2_device;
49 #elif (CONFIG_CONS_INDEX==3)
50 return &eserial3_device;
51 #elif (CONFIG_CONS_INDEX==4)
52 return &eserial4_device;
54 #error "Bad CONFIG_CONS_INDEX."
56 #elif defined(CONFIG_UART1_CONSOLE)
57 return &serial1_device;
59 return &serial0_device;
61 #elif defined(CONFIG_S3C2410)
62 #if defined(CONFIG_SERIAL1)
63 return &s3c24xx_serial0_device;
64 #elif defined(CONFIG_SERIAL2)
65 return &s3c24xx_serial1_device;
66 #elif defined(CONFIG_SERIAL3)
67 return &s3c24xx_serial2_device;
69 #error "CONFIG_SERIAL? missing."
72 #error No default console
76 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
79 int serial_register (struct serial_device *dev)
81 dev->init += gd->reloc_off;
82 dev->setbrg += gd->reloc_off;
83 dev->getc += gd->reloc_off;
84 dev->tstc += gd->reloc_off;
85 dev->putc += gd->reloc_off;
86 dev->puts += gd->reloc_off;
88 dev->next = serial_devices;
94 void serial_initialize (void)
96 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
97 serial_register (&serial_smc_device);
99 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
100 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
101 serial_register (&serial_scc_device);
104 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
105 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
106 || defined(CONFIG_MPC5xxx)
107 serial_register(&serial0_device);
108 serial_register(&serial1_device);
111 #if defined(CONFIG_SYS_NS16550_SERIAL)
112 #if defined(CONFIG_SYS_NS16550_COM1)
113 serial_register(&eserial1_device);
115 #if defined(CONFIG_SYS_NS16550_COM2)
116 serial_register(&eserial2_device);
118 #if defined(CONFIG_SYS_NS16550_COM3)
119 serial_register(&eserial3_device);
121 #if defined(CONFIG_SYS_NS16550_COM4)
122 serial_register(&eserial4_device);
124 #endif /* CONFIG_SYS_NS16550_SERIAL */
125 #if defined (CONFIG_FFUART)
126 serial_register(&serial_ffuart_device);
128 #if defined (CONFIG_BTUART)
129 serial_register(&serial_btuart_device);
131 #if defined (CONFIG_STUART)
132 serial_register(&serial_stuart_device);
134 #if defined(CONFIG_S3C2410)
135 serial_register(&s3c24xx_serial0_device);
136 serial_register(&s3c24xx_serial1_device);
137 serial_register(&s3c24xx_serial2_device);
139 serial_assign (default_serial_console ()->name);
142 void serial_devices_init (void)
145 struct serial_device *s = serial_devices;
148 memset (&dev, 0, sizeof (dev));
150 strcpy (dev.name, s->name);
151 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
159 device_register (&dev);
165 int serial_assign (char *name)
167 struct serial_device *s;
169 for (s = serial_devices; s; s = s->next) {
170 if (strcmp (s->name, name) == 0) {
179 void serial_reinit_all (void)
181 struct serial_device *s;
183 for (s = serial_devices; s; s = s->next) {
188 int serial_init (void)
190 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
191 struct serial_device *dev = default_serial_console ();
196 return serial_current->init ();
199 void serial_setbrg (void)
201 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
202 struct serial_device *dev = default_serial_console ();
208 serial_current->setbrg ();
211 int serial_getc (void)
213 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
214 struct serial_device *dev = default_serial_console ();
219 return serial_current->getc ();
222 int serial_tstc (void)
224 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
225 struct serial_device *dev = default_serial_console ();
230 return serial_current->tstc ();
233 void serial_putc (const char c)
235 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
236 struct serial_device *dev = default_serial_console ();
242 serial_current->putc (c);
245 void serial_puts (const char *s)
247 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
248 struct serial_device *dev = default_serial_console ();
254 serial_current->puts (s);