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 || defined(CONFIG_SYS_SC520)
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."
58 #elif defined(CONFIG_UART1_CONSOLE)
59 return &serial1_device;
61 return &serial0_device;
63 #elif defined(CONFIG_MPC512X)
64 #if (CONFIG_PSC_CONSOLE == 3)
65 return &serial3_device;
66 #elif (CONFIG_PSC_CONSOLE == 6)
67 return &serial6_device;
69 #error "Bad CONFIG_PSC_CONSOLE."
71 #elif defined(CONFIG_S3C2410)
72 #if defined(CONFIG_SERIAL1)
73 return &s3c24xx_serial0_device;
74 #elif defined(CONFIG_SERIAL2)
75 return &s3c24xx_serial1_device;
76 #elif defined(CONFIG_SERIAL3)
77 return &s3c24xx_serial2_device;
79 #error "CONFIG_SERIAL? missing."
81 #elif defined(CONFIG_S5PC1XX)
82 #if defined(CONFIG_SERIAL0)
83 return &s5p_serial0_device;
84 #elif defined(CONFIG_SERIAL1)
85 return &s5p_serial1_device;
86 #elif defined(CONFIG_SERIAL2)
87 return &s5p_serial2_device;
88 #elif defined(CONFIG_SERIAL3)
89 return &s5p_serial3_device;
91 #error "CONFIG_SERIAL? missing."
93 #elif defined(CONFIG_OMAP3_ZOOM2)
94 return ZOOM2_DEFAULT_SERIAL_DEVICE;
96 #error No default console
100 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
103 int serial_register (struct serial_device *dev)
105 #ifndef CONFIG_RELOC_FIXUP_WORKS
106 dev->init += gd->reloc_off;
107 dev->setbrg += gd->reloc_off;
108 dev->getc += gd->reloc_off;
109 dev->tstc += gd->reloc_off;
110 dev->putc += gd->reloc_off;
111 dev->puts += gd->reloc_off;
114 dev->next = serial_devices;
115 serial_devices = dev;
120 void serial_initialize (void)
122 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
123 serial_register (&serial_smc_device);
125 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
126 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
127 serial_register (&serial_scc_device);
130 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
131 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
132 || defined(CONFIG_MPC5xxx)
133 serial_register(&serial0_device);
134 serial_register(&serial1_device);
137 #if defined(CONFIG_SYS_NS16550_SERIAL)
138 #if defined(CONFIG_SYS_NS16550_COM1)
139 serial_register(&eserial1_device);
141 #if defined(CONFIG_SYS_NS16550_COM2)
142 serial_register(&eserial2_device);
144 #if defined(CONFIG_SYS_NS16550_COM3)
145 serial_register(&eserial3_device);
147 #if defined(CONFIG_SYS_NS16550_COM4)
148 serial_register(&eserial4_device);
150 #endif /* CONFIG_SYS_NS16550_SERIAL */
151 #if defined (CONFIG_FFUART)
152 serial_register(&serial_ffuart_device);
154 #if defined (CONFIG_BTUART)
155 serial_register(&serial_btuart_device);
157 #if defined (CONFIG_STUART)
158 serial_register(&serial_stuart_device);
160 #if defined(CONFIG_S3C2410)
161 serial_register(&s3c24xx_serial0_device);
162 serial_register(&s3c24xx_serial1_device);
163 serial_register(&s3c24xx_serial2_device);
165 #if defined(CONFIG_S5PC1XX)
166 serial_register(&s5p_serial0_device);
167 serial_register(&s5p_serial1_device);
168 serial_register(&s5p_serial2_device);
169 serial_register(&s5p_serial3_device);
171 #if defined(CONFIG_MPC512X)
172 #if defined(CONFIG_SYS_PSC1)
173 serial_register(&serial1_device);
175 #if defined(CONFIG_SYS_PSC3)
176 serial_register(&serial3_device);
178 #if defined(CONFIG_SYS_PSC4)
179 serial_register(&serial4_device);
181 #if defined(CONFIG_SYS_PSC6)
182 serial_register(&serial6_device);
185 serial_assign (default_serial_console ()->name);
188 void serial_stdio_init (void)
190 struct stdio_dev dev;
191 struct serial_device *s = serial_devices;
194 memset (&dev, 0, sizeof (dev));
196 strcpy (dev.name, s->name);
197 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
200 dev.stop = s->uninit;
206 stdio_register (&dev);
212 int serial_assign (char *name)
214 struct serial_device *s;
216 for (s = serial_devices; s; s = s->next) {
217 if (strcmp (s->name, name) == 0) {
226 void serial_reinit_all (void)
228 struct serial_device *s;
230 for (s = serial_devices; s; s = s->next) {
235 int serial_init (void)
237 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
238 struct serial_device *dev = default_serial_console ();
243 return serial_current->init ();
246 void serial_setbrg (void)
248 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
249 struct serial_device *dev = default_serial_console ();
255 serial_current->setbrg ();
258 int serial_getc (void)
260 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
261 struct serial_device *dev = default_serial_console ();
266 return serial_current->getc ();
269 int serial_tstc (void)
271 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
272 struct serial_device *dev = default_serial_console ();
277 return serial_current->tstc ();
280 void serial_putc (const char c)
282 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
283 struct serial_device *dev = default_serial_console ();
289 serial_current->putc (c);
292 void serial_puts (const char *s)
294 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
295 struct serial_device *dev = default_serial_console ();
301 serial_current->puts (s);