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_MPC512X)
63 #if (CONFIG_PSC_CONSOLE == 3)
64 return &serial3_device;
65 #elif (CONFIG_PSC_CONSOLE == 6)
66 return &serial6_device;
68 #error "Bad CONFIG_PSC_CONSOLE."
70 #elif defined(CONFIG_S3C2410)
71 #if defined(CONFIG_SERIAL1)
72 return &s3c24xx_serial0_device;
73 #elif defined(CONFIG_SERIAL2)
74 return &s3c24xx_serial1_device;
75 #elif defined(CONFIG_SERIAL3)
76 return &s3c24xx_serial2_device;
78 #error "CONFIG_SERIAL? missing."
80 #elif defined(CONFIG_S5PC1XX)
81 #if defined(CONFIG_SERIAL0)
82 return &s5pc1xx_serial0_device;
83 #elif defined(CONFIG_SERIAL1)
84 return &s5pc1xx_serial1_device;
85 #elif defined(CONFIG_SERIAL2)
86 return &s5pc1xx_serial2_device;
87 #elif defined(CONFIG_SERIAL3)
88 return &s5pc1xx_serial3_device;
90 #error "CONFIG_SERIAL? missing."
92 #elif defined(CONFIG_OMAP3_ZOOM2)
93 return ZOOM2_DEFAULT_SERIAL_DEVICE;
95 #error No default console
99 struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
102 int serial_register (struct serial_device *dev)
104 #ifndef CONFIG_RELOC_FIXUP_WORKS
105 dev->init += gd->reloc_off;
106 dev->setbrg += gd->reloc_off;
107 dev->getc += gd->reloc_off;
108 dev->tstc += gd->reloc_off;
109 dev->putc += gd->reloc_off;
110 dev->puts += gd->reloc_off;
113 dev->next = serial_devices;
114 serial_devices = dev;
119 void serial_initialize (void)
121 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
122 serial_register (&serial_smc_device);
124 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
125 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
126 serial_register (&serial_scc_device);
129 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
130 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
131 || defined(CONFIG_MPC5xxx)
132 serial_register(&serial0_device);
133 serial_register(&serial1_device);
136 #if defined(CONFIG_SYS_NS16550_SERIAL)
137 #if defined(CONFIG_SYS_NS16550_COM1)
138 serial_register(&eserial1_device);
140 #if defined(CONFIG_SYS_NS16550_COM2)
141 serial_register(&eserial2_device);
143 #if defined(CONFIG_SYS_NS16550_COM3)
144 serial_register(&eserial3_device);
146 #if defined(CONFIG_SYS_NS16550_COM4)
147 serial_register(&eserial4_device);
149 #endif /* CONFIG_SYS_NS16550_SERIAL */
150 #if defined (CONFIG_FFUART)
151 serial_register(&serial_ffuart_device);
153 #if defined (CONFIG_BTUART)
154 serial_register(&serial_btuart_device);
156 #if defined (CONFIG_STUART)
157 serial_register(&serial_stuart_device);
159 #if defined(CONFIG_S3C2410)
160 serial_register(&s3c24xx_serial0_device);
161 serial_register(&s3c24xx_serial1_device);
162 serial_register(&s3c24xx_serial2_device);
164 #if defined(CONFIG_S5PC1XX)
165 serial_register(&s5pc1xx_serial0_device);
166 serial_register(&s5pc1xx_serial1_device);
167 serial_register(&s5pc1xx_serial2_device);
168 serial_register(&s5pc1xx_serial3_device);
170 #if defined(CONFIG_MPC512X)
171 #if defined(CONFIG_SYS_PSC1)
172 serial_register(&serial1_device);
174 #if defined(CONFIG_SYS_PSC3)
175 serial_register(&serial3_device);
177 #if defined(CONFIG_SYS_PSC4)
178 serial_register(&serial4_device);
180 #if defined(CONFIG_SYS_PSC6)
181 serial_register(&serial6_device);
184 serial_assign (default_serial_console ()->name);
187 void serial_stdio_init (void)
189 struct stdio_dev dev;
190 struct serial_device *s = serial_devices;
193 memset (&dev, 0, sizeof (dev));
195 strcpy (dev.name, s->name);
196 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
199 dev.stop = s->uninit;
205 stdio_register (&dev);
211 int serial_assign (char *name)
213 struct serial_device *s;
215 for (s = serial_devices; s; s = s->next) {
216 if (strcmp (s->name, name) == 0) {
225 void serial_reinit_all (void)
227 struct serial_device *s;
229 for (s = serial_devices; s; s = s->next) {
234 int serial_init (void)
236 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
237 struct serial_device *dev = default_serial_console ();
242 return serial_current->init ();
245 void serial_setbrg (void)
247 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
248 struct serial_device *dev = default_serial_console ();
254 serial_current->setbrg ();
257 int serial_getc (void)
259 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
260 struct serial_device *dev = default_serial_console ();
265 return serial_current->getc ();
268 int serial_tstc (void)
270 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
271 struct serial_device *dev = default_serial_console ();
276 return serial_current->tstc ();
279 void serial_putc (const char c)
281 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
282 struct serial_device *dev = default_serial_console ();
288 serial_current->putc (c);
291 void serial_puts (const char *s)
293 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
294 struct serial_device *dev = default_serial_console ();
300 serial_current->puts (s);