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_PXA250) && !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 || defined(CONFIG_TEGRA2)
46 #if defined(CONFIG_CONS_INDEX) && defined(CONFIG_SYS_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."
59 return &serial0_device;
61 #elif defined(CONFIG_MPC512X)
62 #if (CONFIG_PSC_CONSOLE == 3)
63 return &serial3_device;
64 #elif (CONFIG_PSC_CONSOLE == 6)
65 return &serial6_device;
67 #error "Bad CONFIG_PSC_CONSOLE."
69 #elif defined(CONFIG_S3C2410)
70 #if defined(CONFIG_SERIAL1)
71 return &s3c24xx_serial0_device;
72 #elif defined(CONFIG_SERIAL2)
73 return &s3c24xx_serial1_device;
74 #elif defined(CONFIG_SERIAL3)
75 return &s3c24xx_serial2_device;
77 #error "CONFIG_SERIAL? missing."
79 #elif defined(CONFIG_S5P)
80 #if defined(CONFIG_SERIAL0)
81 return &s5p_serial0_device;
82 #elif defined(CONFIG_SERIAL1)
83 return &s5p_serial1_device;
84 #elif defined(CONFIG_SERIAL2)
85 return &s5p_serial2_device;
86 #elif defined(CONFIG_SERIAL3)
87 return &s5p_serial3_device;
89 #error "CONFIG_SERIAL? missing."
91 #elif defined(CONFIG_OMAP3_ZOOM2)
92 return ZOOM2_DEFAULT_SERIAL_DEVICE;
94 #error No default console
98 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
101 int serial_register (struct serial_device *dev)
103 #ifdef CONFIG_NEEDS_MANUAL_RELOC
104 dev->init += gd->reloc_off;
105 dev->setbrg += gd->reloc_off;
106 dev->getc += gd->reloc_off;
107 dev->tstc += gd->reloc_off;
108 dev->putc += gd->reloc_off;
109 dev->puts += gd->reloc_off;
112 dev->next = serial_devices;
113 serial_devices = dev;
118 void serial_initialize (void)
120 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
121 serial_register (&serial_smc_device);
123 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
124 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
125 serial_register (&serial_scc_device);
128 #if defined(CONFIG_SYS_NS16550_SERIAL)
129 #if defined(CONFIG_SYS_NS16550_COM1)
130 serial_register(&eserial1_device);
132 #if defined(CONFIG_SYS_NS16550_COM2)
133 serial_register(&eserial2_device);
135 #if defined(CONFIG_SYS_NS16550_COM3)
136 serial_register(&eserial3_device);
138 #if defined(CONFIG_SYS_NS16550_COM4)
139 serial_register(&eserial4_device);
141 #endif /* CONFIG_SYS_NS16550_SERIAL */
142 #if defined (CONFIG_FFUART)
143 serial_register(&serial_ffuart_device);
145 #if defined (CONFIG_BTUART)
146 serial_register(&serial_btuart_device);
148 #if defined (CONFIG_STUART)
149 serial_register(&serial_stuart_device);
151 #if defined(CONFIG_S3C2410)
152 serial_register(&s3c24xx_serial0_device);
153 serial_register(&s3c24xx_serial1_device);
154 serial_register(&s3c24xx_serial2_device);
156 #if defined(CONFIG_S5P)
157 serial_register(&s5p_serial0_device);
158 serial_register(&s5p_serial1_device);
159 serial_register(&s5p_serial2_device);
160 serial_register(&s5p_serial3_device);
162 #if defined(CONFIG_MPC512X)
163 #if defined(CONFIG_SYS_PSC1)
164 serial_register(&serial1_device);
166 #if defined(CONFIG_SYS_PSC3)
167 serial_register(&serial3_device);
169 #if defined(CONFIG_SYS_PSC4)
170 serial_register(&serial4_device);
172 #if defined(CONFIG_SYS_PSC6)
173 serial_register(&serial6_device);
176 serial_assign (default_serial_console ()->name);
179 void serial_stdio_init (void)
181 struct stdio_dev dev;
182 struct serial_device *s = serial_devices;
185 memset (&dev, 0, sizeof (dev));
187 strcpy (dev.name, s->name);
188 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
191 dev.stop = s->uninit;
197 stdio_register (&dev);
203 int serial_assign (char *name)
205 struct serial_device *s;
207 for (s = serial_devices; s; s = s->next) {
208 if (strcmp (s->name, name) == 0) {
217 void serial_reinit_all (void)
219 struct serial_device *s;
221 for (s = serial_devices; s; s = s->next) {
226 int serial_init (void)
228 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
229 struct serial_device *dev = default_serial_console ();
234 return serial_current->init ();
237 void serial_setbrg (void)
239 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
240 struct serial_device *dev = default_serial_console ();
246 serial_current->setbrg ();
249 int serial_getc (void)
251 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
252 struct serial_device *dev = default_serial_console ();
257 return serial_current->getc ();
260 int serial_tstc (void)
262 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
263 struct serial_device *dev = default_serial_console ();
268 return serial_current->tstc ();
271 void serial_putc (const char c)
273 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
274 struct serial_device *dev = default_serial_console ();
280 serial_current->putc (c);
283 void serial_puts (const char *s)
285 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
286 struct serial_device *dev = default_serial_console ();
292 serial_current->puts (s);