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wdenk281e00a2004-08-01 22:48:16 +00001/*
2 * (C) Copyright 2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <serial.h>
26#include <devices.h>
27
Wolfgang Denkd87080b2006-03-31 18:32:53 +020028DECLARE_GLOBAL_DATA_PTR;
29
wdenk281e00a2004-08-01 22:48:16 +000030#if defined(CONFIG_SERIAL_MULTI)
31
32static struct serial_device *serial_devices = NULL;
33static struct serial_device *serial_current = NULL;
34
stefano babic80172c62007-08-30 22:57:04 +020035#if !defined(CONFIG_LWMON) && !defined(CONFIG_PXA27X)
Matthias Fuchs1208a2d2007-12-27 16:57:23 +010036struct serial_device *__default_serial_console (void)
wdenk281e00a2004-08-01 22:48:16 +000037{
38#if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
39 return &serial_smc_device;
40#elif defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
41 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
42 return &serial_scc_device;
wdenkff36fd82005-01-09 22:28:56 +000043#elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
Stefan Roesedbbd1252007-10-05 17:10:59 +020044 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
45 || defined(CONFIG_MPC5xxx)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020046#if defined(CONFIG_CONS_INDEX) && defined(CONFIG_SYS_NS16550_SERIAL)
Wolfgang Denk0fd30252006-08-30 23:02:10 +020047#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;
55#else
56#error "Bad CONFIG_CONS_INDEX."
57#endif
58#elif defined(CONFIG_UART1_CONSOLE)
Marian Balakowicz6c5879f2006-06-30 16:30:46 +020059 return &serial1_device;
60#else
61 return &serial0_device;
62#endif
Harald Weltea7c185e2007-12-19 14:24:40 +010063#elif defined(CONFIG_S3C2410)
64#if defined(CONFIG_SERIAL1)
65 return &s3c24xx_serial0_device;
66#elif defined(CONFIG_SERIAL2)
67 return &s3c24xx_serial1_device;
68#elif defined(CONFIG_SERIAL3)
69 return &s3c24xx_serial2_device;
70#else
71#error "CONFIG_SERIAL? missing."
72#endif
wdenk281e00a2004-08-01 22:48:16 +000073#else
74#error No default console
75#endif
76}
Matthias Fuchs1208a2d2007-12-27 16:57:23 +010077
78struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console")));
wdenk281e00a2004-08-01 22:48:16 +000079#endif
80
stefano babic80172c62007-08-30 22:57:04 +020081int serial_register (struct serial_device *dev)
wdenk281e00a2004-08-01 22:48:16 +000082{
wdenk281e00a2004-08-01 22:48:16 +000083 dev->init += gd->reloc_off;
84 dev->setbrg += gd->reloc_off;
85 dev->getc += gd->reloc_off;
86 dev->tstc += gd->reloc_off;
87 dev->putc += gd->reloc_off;
88 dev->puts += gd->reloc_off;
89
90 dev->next = serial_devices;
91 serial_devices = dev;
92
93 return 0;
94}
95
wdenk2ee66532004-10-11 22:43:02 +000096void serial_initialize (void)
wdenk281e00a2004-08-01 22:48:16 +000097{
98#if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
wdenk2ee66532004-10-11 22:43:02 +000099 serial_register (&serial_smc_device);
wdenk281e00a2004-08-01 22:48:16 +0000100#endif
101#if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
102 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
wdenk2ee66532004-10-11 22:43:02 +0000103 serial_register (&serial_scc_device);
wdenk281e00a2004-08-01 22:48:16 +0000104#endif
105
wdenkff36fd82005-01-09 22:28:56 +0000106#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
Stefan Roesedbbd1252007-10-05 17:10:59 +0200107 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
108 || defined(CONFIG_MPC5xxx)
wdenkff36fd82005-01-09 22:28:56 +0000109 serial_register(&serial0_device);
110 serial_register(&serial1_device);
111#endif
112
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200113#if defined(CONFIG_SYS_NS16550_SERIAL)
114#if defined(CONFIG_SYS_NS16550_COM1)
Wolfgang Denk0fd30252006-08-30 23:02:10 +0200115 serial_register(&eserial1_device);
116#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200117#if defined(CONFIG_SYS_NS16550_COM2)
Wolfgang Denk0fd30252006-08-30 23:02:10 +0200118 serial_register(&eserial2_device);
119#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200120#if defined(CONFIG_SYS_NS16550_COM3)
Wolfgang Denk0fd30252006-08-30 23:02:10 +0200121 serial_register(&eserial3_device);
122#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200123#if defined(CONFIG_SYS_NS16550_COM4)
Wolfgang Denk0fd30252006-08-30 23:02:10 +0200124 serial_register(&eserial4_device);
125#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200126#endif /* CONFIG_SYS_NS16550_SERIAL */
stefano babic80172c62007-08-30 22:57:04 +0200127#if defined (CONFIG_FFUART)
128 serial_register(&serial_ffuart_device);
129#endif
130#if defined (CONFIG_BTUART)
131 serial_register(&serial_btuart_device);
132#endif
133#if defined (CONFIG_STUART)
134 serial_register(&serial_stuart_device);
135#endif
Harald Weltea7c185e2007-12-19 14:24:40 +0100136#if defined(CONFIG_S3C2410)
137 serial_register(&s3c24xx_serial0_device);
138 serial_register(&s3c24xx_serial1_device);
139 serial_register(&s3c24xx_serial2_device);
140#endif
wdenk2ee66532004-10-11 22:43:02 +0000141 serial_assign (default_serial_console ()->name);
wdenk281e00a2004-08-01 22:48:16 +0000142}
143
wdenk2ee66532004-10-11 22:43:02 +0000144void serial_devices_init (void)
wdenk281e00a2004-08-01 22:48:16 +0000145{
146 device_t dev;
147 struct serial_device *s = serial_devices;
148
wdenk2ee66532004-10-11 22:43:02 +0000149 while (s) {
wdenk281e00a2004-08-01 22:48:16 +0000150 memset (&dev, 0, sizeof (dev));
151
152 strcpy (dev.name, s->name);
153 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
154
155 dev.start = s->init;
156 dev.putc = s->putc;
157 dev.puts = s->puts;
158 dev.getc = s->getc;
159 dev.tstc = s->tstc;
160
161 device_register (&dev);
162
163 s = s->next;
164 }
165}
166
wdenk2ee66532004-10-11 22:43:02 +0000167int serial_assign (char *name)
wdenk281e00a2004-08-01 22:48:16 +0000168{
169 struct serial_device *s;
170
wdenk2ee66532004-10-11 22:43:02 +0000171 for (s = serial_devices; s; s = s->next) {
172 if (strcmp (s->name, name) == 0) {
wdenk281e00a2004-08-01 22:48:16 +0000173 serial_current = s;
174 return 0;
175 }
176 }
177
178 return 1;
179}
180
wdenk2ee66532004-10-11 22:43:02 +0000181void serial_reinit_all (void)
wdenk281e00a2004-08-01 22:48:16 +0000182{
183 struct serial_device *s;
184
wdenk2ee66532004-10-11 22:43:02 +0000185 for (s = serial_devices; s; s = s->next) {
186 s->init ();
wdenk281e00a2004-08-01 22:48:16 +0000187 }
188}
189
wdenk2ee66532004-10-11 22:43:02 +0000190int serial_init (void)
wdenk281e00a2004-08-01 22:48:16 +0000191{
wdenk2ee66532004-10-11 22:43:02 +0000192 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
193 struct serial_device *dev = default_serial_console ();
194
195 return dev->init ();
wdenk281e00a2004-08-01 22:48:16 +0000196 }
197
wdenk2ee66532004-10-11 22:43:02 +0000198 return serial_current->init ();
wdenk281e00a2004-08-01 22:48:16 +0000199}
200
wdenk2ee66532004-10-11 22:43:02 +0000201void serial_setbrg (void)
wdenk281e00a2004-08-01 22:48:16 +0000202{
wdenk2ee66532004-10-11 22:43:02 +0000203 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
204 struct serial_device *dev = default_serial_console ();
205
206 dev->setbrg ();
wdenk281e00a2004-08-01 22:48:16 +0000207 return;
208 }
209
wdenk2ee66532004-10-11 22:43:02 +0000210 serial_current->setbrg ();
wdenk281e00a2004-08-01 22:48:16 +0000211}
212
wdenk2ee66532004-10-11 22:43:02 +0000213int serial_getc (void)
wdenk281e00a2004-08-01 22:48:16 +0000214{
wdenk2ee66532004-10-11 22:43:02 +0000215 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
216 struct serial_device *dev = default_serial_console ();
217
218 return dev->getc ();
wdenk281e00a2004-08-01 22:48:16 +0000219 }
220
wdenk2ee66532004-10-11 22:43:02 +0000221 return serial_current->getc ();
wdenk281e00a2004-08-01 22:48:16 +0000222}
223
wdenk2ee66532004-10-11 22:43:02 +0000224int serial_tstc (void)
wdenk281e00a2004-08-01 22:48:16 +0000225{
wdenk2ee66532004-10-11 22:43:02 +0000226 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
227 struct serial_device *dev = default_serial_console ();
228
229 return dev->tstc ();
wdenk281e00a2004-08-01 22:48:16 +0000230 }
231
wdenk2ee66532004-10-11 22:43:02 +0000232 return serial_current->tstc ();
wdenk281e00a2004-08-01 22:48:16 +0000233}
234
wdenk2ee66532004-10-11 22:43:02 +0000235void serial_putc (const char c)
wdenk281e00a2004-08-01 22:48:16 +0000236{
wdenk2ee66532004-10-11 22:43:02 +0000237 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
238 struct serial_device *dev = default_serial_console ();
239
240 dev->putc (c);
wdenk281e00a2004-08-01 22:48:16 +0000241 return;
242 }
243
wdenk2ee66532004-10-11 22:43:02 +0000244 serial_current->putc (c);
wdenk281e00a2004-08-01 22:48:16 +0000245}
246
wdenk2ee66532004-10-11 22:43:02 +0000247void serial_puts (const char *s)
wdenk281e00a2004-08-01 22:48:16 +0000248{
wdenk2ee66532004-10-11 22:43:02 +0000249 if (!(gd->flags & GD_FLG_RELOC) || !serial_current) {
250 struct serial_device *dev = default_serial_console ();
251
252 dev->puts (s);
wdenk281e00a2004-08-01 22:48:16 +0000253 return;
254 }
255
wdenk2ee66532004-10-11 22:43:02 +0000256 serial_current->puts (s);
wdenk281e00a2004-08-01 22:48:16 +0000257}
258
259#endif /* CONFIG_SERIAL_MULTI */