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."
57 return &serial0_device;
59 #elif defined(CONFIG_MPC512X)
60 #if (CONFIG_PSC_CONSOLE == 3)
61 return &serial3_device;
62 #elif (CONFIG_PSC_CONSOLE == 6)
63 return &serial6_device;
65 #error "Bad CONFIG_PSC_CONSOLE."
67 #elif defined(CONFIG_S3C2410)
68 #if defined(CONFIG_SERIAL1)
69 return &s3c24xx_serial0_device;
70 #elif defined(CONFIG_SERIAL2)
71 return &s3c24xx_serial1_device;
72 #elif defined(CONFIG_SERIAL3)
73 return &s3c24xx_serial2_device;
75 #error "CONFIG_SERIAL? missing."
77 #elif defined(CONFIG_S5P)
78 #if defined(CONFIG_SERIAL0)
79 return &s5p_serial0_device;
80 #elif defined(CONFIG_SERIAL1)
81 return &s5p_serial1_device;
82 #elif defined(CONFIG_SERIAL2)
83 return &s5p_serial2_device;
84 #elif defined(CONFIG_SERIAL3)
85 return &s5p_serial3_device;
87 #error "CONFIG_SERIAL? missing."
89 #elif defined(CONFIG_OMAP3_ZOOM2)
90 return ZOOM2_DEFAULT_SERIAL_DEVICE;
92 #error No default console
96 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
99 int serial_register (struct serial_device *dev)
101 #ifndef CONFIG_RELOC_FIXUP_WORKS
102 dev->init += gd->reloc_off;
103 dev->setbrg += gd->reloc_off;
104 dev->getc += gd->reloc_off;
105 dev->tstc += gd->reloc_off;
106 dev->putc += gd->reloc_off;
107 dev->puts += gd->reloc_off;
110 dev->next = serial_devices;
111 serial_devices = dev;
116 void serial_initialize (void)
118 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
119 serial_register (&serial_smc_device);
121 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
122 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
123 serial_register (&serial_scc_device);
126 #if defined(CONFIG_SYS_NS16550_SERIAL)
127 #if defined(CONFIG_SYS_NS16550_COM1)
128 serial_register(&eserial1_device);
130 #if defined(CONFIG_SYS_NS16550_COM2)
131 serial_register(&eserial2_device);
133 #if defined(CONFIG_SYS_NS16550_COM3)
134 serial_register(&eserial3_device);
136 #if defined(CONFIG_SYS_NS16550_COM4)
137 serial_register(&eserial4_device);
139 #endif /* CONFIG_SYS_NS16550_SERIAL */
140 #if defined (CONFIG_FFUART)
141 serial_register(&serial_ffuart_device);
143 #if defined (CONFIG_BTUART)
144 serial_register(&serial_btuart_device);
146 #if defined (CONFIG_STUART)
147 serial_register(&serial_stuart_device);
149 #if defined(CONFIG_S3C2410)
150 serial_register(&s3c24xx_serial0_device);
151 serial_register(&s3c24xx_serial1_device);
152 serial_register(&s3c24xx_serial2_device);
154 #if defined(CONFIG_S5P)
155 serial_register(&s5p_serial0_device);
156 serial_register(&s5p_serial1_device);
157 serial_register(&s5p_serial2_device);
158 serial_register(&s5p_serial3_device);
160 #if defined(CONFIG_MPC512X)
161 #if defined(CONFIG_SYS_PSC1)
162 serial_register(&serial1_device);
164 #if defined(CONFIG_SYS_PSC3)
165 serial_register(&serial3_device);
167 #if defined(CONFIG_SYS_PSC4)
168 serial_register(&serial4_device);
170 #if defined(CONFIG_SYS_PSC6)
171 serial_register(&serial6_device);
174 serial_assign (default_serial_console ()->name);
177 void serial_stdio_init (void)
179 struct stdio_dev dev;
180 struct serial_device *s = serial_devices;
183 memset (&dev, 0, sizeof (dev));
185 strcpy (dev.name, s->name);
186 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
189 dev.stop = s->uninit;
195 stdio_register (&dev);
201 int serial_assign (char *name)
203 struct serial_device *s;
205 for (s = serial_devices; s; s = s->next) {
206 if (strcmp (s->name, name) == 0) {
215 void serial_reinit_all (void)
217 struct serial_device *s;
219 for (s = serial_devices; s; s = s->next) {
224 int serial_init (void)
226 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
227 struct serial_device *dev = default_serial_console ();
232 return serial_current->init ();
235 void serial_setbrg (void)
237 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
238 struct serial_device *dev = default_serial_console ();
244 serial_current->setbrg ();
247 int serial_getc (void)
249 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
250 struct serial_device *dev = default_serial_console ();
255 return serial_current->getc ();
258 int serial_tstc (void)
260 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
261 struct serial_device *dev = default_serial_console ();
266 return serial_current->tstc ();
269 void serial_putc (const char c)
271 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
272 struct serial_device *dev = default_serial_console ();
278 serial_current->putc (c);
281 void serial_puts (const char *s)
283 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
284 struct serial_device *dev = default_serial_console ();
290 serial_current->puts (s);