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_4xx) \
42 || defined(CONFIG_MB86R0x) || defined(CONFIG_MPC5xxx) \
43 || defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) \
44 || defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520)
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."
58 return &serial0_device;
60 #elif defined(CONFIG_MPC512X)
61 #if (CONFIG_PSC_CONSOLE == 3)
62 return &serial3_device;
63 #elif (CONFIG_PSC_CONSOLE == 6)
64 return &serial6_device;
66 #error "Bad CONFIG_PSC_CONSOLE."
68 #elif defined(CONFIG_S3C2410)
69 #if defined(CONFIG_SERIAL1)
70 return &s3c24xx_serial0_device;
71 #elif defined(CONFIG_SERIAL2)
72 return &s3c24xx_serial1_device;
73 #elif defined(CONFIG_SERIAL3)
74 return &s3c24xx_serial2_device;
76 #error "CONFIG_SERIAL? missing."
78 #elif defined(CONFIG_S5P)
79 #if defined(CONFIG_SERIAL0)
80 return &s5p_serial0_device;
81 #elif defined(CONFIG_SERIAL1)
82 return &s5p_serial1_device;
83 #elif defined(CONFIG_SERIAL2)
84 return &s5p_serial2_device;
85 #elif defined(CONFIG_SERIAL3)
86 return &s5p_serial3_device;
88 #error "CONFIG_SERIAL? missing."
90 #elif defined(CONFIG_OMAP3_ZOOM2)
91 return ZOOM2_DEFAULT_SERIAL_DEVICE;
93 #error No default console
97 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
100 int serial_register (struct serial_device *dev)
102 #ifndef CONFIG_RELOC_FIXUP_WORKS
103 dev->init += gd->reloc_off;
104 dev->setbrg += gd->reloc_off;
105 dev->getc += gd->reloc_off;
106 dev->tstc += gd->reloc_off;
107 dev->putc += gd->reloc_off;
108 dev->puts += gd->reloc_off;
111 dev->next = serial_devices;
112 serial_devices = dev;
117 void serial_initialize (void)
119 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
120 serial_register (&serial_smc_device);
122 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
123 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
124 serial_register (&serial_scc_device);
127 #if defined(CONFIG_SYS_NS16550_SERIAL)
128 #if defined(CONFIG_SYS_NS16550_COM1)
129 serial_register(&eserial1_device);
131 #if defined(CONFIG_SYS_NS16550_COM2)
132 serial_register(&eserial2_device);
134 #if defined(CONFIG_SYS_NS16550_COM3)
135 serial_register(&eserial3_device);
137 #if defined(CONFIG_SYS_NS16550_COM4)
138 serial_register(&eserial4_device);
140 #endif /* CONFIG_SYS_NS16550_SERIAL */
141 #if defined (CONFIG_FFUART)
142 serial_register(&serial_ffuart_device);
144 #if defined (CONFIG_BTUART)
145 serial_register(&serial_btuart_device);
147 #if defined (CONFIG_STUART)
148 serial_register(&serial_stuart_device);
150 #if defined(CONFIG_S3C2410)
151 serial_register(&s3c24xx_serial0_device);
152 serial_register(&s3c24xx_serial1_device);
153 serial_register(&s3c24xx_serial2_device);
155 #if defined(CONFIG_S5P)
156 serial_register(&s5p_serial0_device);
157 serial_register(&s5p_serial1_device);
158 serial_register(&s5p_serial2_device);
159 serial_register(&s5p_serial3_device);
161 #if defined(CONFIG_MPC512X)
162 #if defined(CONFIG_SYS_PSC1)
163 serial_register(&serial1_device);
165 #if defined(CONFIG_SYS_PSC3)
166 serial_register(&serial3_device);
168 #if defined(CONFIG_SYS_PSC4)
169 serial_register(&serial4_device);
171 #if defined(CONFIG_SYS_PSC6)
172 serial_register(&serial6_device);
175 serial_assign (default_serial_console ()->name);
178 void serial_stdio_init (void)
180 struct stdio_dev dev;
181 struct serial_device *s = serial_devices;
184 memset (&dev, 0, sizeof (dev));
186 strcpy (dev.name, s->name);
187 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
190 dev.stop = s->uninit;
196 stdio_register (&dev);
202 int serial_assign (char *name)
204 struct serial_device *s;
206 for (s = serial_devices; s; s = s->next) {
207 if (strcmp (s->name, name) == 0) {
216 void serial_reinit_all (void)
218 struct serial_device *s;
220 for (s = serial_devices; s; s = s->next) {
225 int serial_init (void)
227 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
228 struct serial_device *dev = default_serial_console ();
233 return serial_current->init ();
236 void serial_setbrg (void)
238 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
239 struct serial_device *dev = default_serial_console ();
245 serial_current->setbrg ();
248 int serial_getc (void)
250 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
251 struct serial_device *dev = default_serial_console ();
256 return serial_current->getc ();
259 int serial_tstc (void)
261 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
262 struct serial_device *dev = default_serial_console ();
267 return serial_current->tstc ();
270 void serial_putc (const char c)
272 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
273 struct serial_device *dev = default_serial_console ();
279 serial_current->putc (c);
282 void serial_puts (const char *s)
284 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
285 struct serial_device *dev = default_serial_console ();
291 serial_current->puts (s);