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_S5PC1XX)
73 #if defined(CONFIG_SERIAL0)
74 return &s5pc1xx_serial0_device;
75 #elif defined(CONFIG_SERIAL1)
76 return &s5pc1xx_serial1_device;
77 #elif defined(CONFIG_SERIAL2)
78 return &s5pc1xx_serial2_device;
79 #elif defined(CONFIG_SERIAL3)
80 return &s5pc1xx_serial3_device;
82 #error "CONFIG_SERIAL? missing."
84 #elif defined(CONFIG_OMAP3_ZOOM2)
85 return ZOOM2_DEFAULT_SERIAL_DEVICE;
87 #error No default console
91 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
94 int serial_register (struct serial_device *dev)
96 #ifndef CONFIG_RELOC_FIXUP_WORKS
97 dev->init += gd->reloc_off;
98 dev->setbrg += gd->reloc_off;
99 dev->getc += gd->reloc_off;
100 dev->tstc += gd->reloc_off;
101 dev->putc += gd->reloc_off;
102 dev->puts += gd->reloc_off;
105 dev->next = serial_devices;
106 serial_devices = dev;
111 void serial_initialize (void)
113 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
114 serial_register (&serial_smc_device);
116 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
117 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
118 serial_register (&serial_scc_device);
121 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
122 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
123 || defined(CONFIG_MPC5xxx)
124 serial_register(&serial0_device);
125 serial_register(&serial1_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_S5PC1XX)
157 serial_register(&s5pc1xx_serial0_device);
158 serial_register(&s5pc1xx_serial1_device);
159 serial_register(&s5pc1xx_serial2_device);
160 serial_register(&s5pc1xx_serial3_device);
162 serial_assign (default_serial_console ()->name);
165 void serial_stdio_init (void)
167 struct stdio_dev dev;
168 struct serial_device *s = serial_devices;
171 memset (&dev, 0, sizeof (dev));
173 strcpy (dev.name, s->name);
174 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
182 stdio_register (&dev);
188 int serial_assign (char *name)
190 struct serial_device *s;
192 for (s = serial_devices; s; s = s->next) {
193 if (strcmp (s->name, name) == 0) {
202 void serial_reinit_all (void)
204 struct serial_device *s;
206 for (s = serial_devices; s; s = s->next) {
211 int serial_init (void)
213 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
214 struct serial_device *dev = default_serial_console ();
219 return serial_current->init ();
222 void serial_setbrg (void)
224 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
225 struct serial_device *dev = default_serial_console ();
231 serial_current->setbrg ();
234 int serial_getc (void)
236 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
237 struct serial_device *dev = default_serial_console ();
242 return serial_current->getc ();
245 int serial_tstc (void)
247 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
248 struct serial_device *dev = default_serial_console ();
253 return serial_current->tstc ();
256 void serial_putc (const char c)
258 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
259 struct serial_device *dev = default_serial_console ();
265 serial_current->putc (c);
268 void serial_puts (const char *s)
270 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
271 struct serial_device *dev = default_serial_console ();
277 serial_current->puts (s);