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,
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)
44 #if defined(CONFIG_CONS_INDEX) && defined(CONFIG_SYS_NS16550_SERIAL)
45 #if (CONFIG_CONS_INDEX==1)
46 return &eserial1_device
;
47 #elif (CONFIG_CONS_INDEX==2)
48 return &eserial2_device
;
49 #elif (CONFIG_CONS_INDEX==3)
50 return &eserial3_device
;
51 #elif (CONFIG_CONS_INDEX==4)
52 return &eserial4_device
;
54 #error "Bad CONFIG_CONS_INDEX."
56 #elif defined(CONFIG_UART1_CONSOLE)
57 return &serial1_device
;
59 return &serial0_device
;
61 #elif defined(CONFIG_S3C2410)
62 #if defined(CONFIG_SERIAL1)
63 return &s3c24xx_serial0_device
;
64 #elif defined(CONFIG_SERIAL2)
65 return &s3c24xx_serial1_device
;
66 #elif defined(CONFIG_SERIAL3)
67 return &s3c24xx_serial2_device
;
69 #error "CONFIG_SERIAL? missing."
71 #elif defined(CONFIG_OMAP3_ZOOM2)
72 return ZOOM2_DEFAULT_SERIAL_DEVICE
;
74 #error No default console
78 struct serial_device
*default_serial_console(void) __attribute__((weak
, alias("__default_serial_console")));
81 int serial_register (struct serial_device
*dev
)
83 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
;
90 dev
->next
= serial_devices
;
96 void serial_initialize (void)
98 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
99 serial_register (&serial_smc_device
);
101 #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
102 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
103 serial_register (&serial_scc_device
);
106 #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
107 || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \
108 || defined(CONFIG_MPC5xxx)
109 serial_register(&serial0_device
);
110 serial_register(&serial1_device
);
113 #if defined(CONFIG_SYS_NS16550_SERIAL)
114 #if defined(CONFIG_SYS_NS16550_COM1)
115 serial_register(&eserial1_device
);
117 #if defined(CONFIG_SYS_NS16550_COM2)
118 serial_register(&eserial2_device
);
120 #if defined(CONFIG_SYS_NS16550_COM3)
121 serial_register(&eserial3_device
);
123 #if defined(CONFIG_SYS_NS16550_COM4)
124 serial_register(&eserial4_device
);
126 #endif /* CONFIG_SYS_NS16550_SERIAL */
127 #if defined (CONFIG_FFUART)
128 serial_register(&serial_ffuart_device
);
130 #if defined (CONFIG_BTUART)
131 serial_register(&serial_btuart_device
);
133 #if defined (CONFIG_STUART)
134 serial_register(&serial_stuart_device
);
136 #if defined(CONFIG_S3C2410)
137 serial_register(&s3c24xx_serial0_device
);
138 serial_register(&s3c24xx_serial1_device
);
139 serial_register(&s3c24xx_serial2_device
);
141 serial_assign (default_serial_console ()->name
);
144 void serial_devices_init (void)
147 struct serial_device
*s
= serial_devices
;
150 memset (&dev
, 0, sizeof (dev
));
152 strcpy (dev
.name
, s
->name
);
153 dev
.flags
= DEV_FLAGS_OUTPUT
| DEV_FLAGS_INPUT
;
161 device_register (&dev
);
167 int serial_assign (char *name
)
169 struct serial_device
*s
;
171 for (s
= serial_devices
; s
; s
= s
->next
) {
172 if (strcmp (s
->name
, name
) == 0) {
181 void serial_reinit_all (void)
183 struct serial_device
*s
;
185 for (s
= serial_devices
; s
; s
= s
->next
) {
190 int serial_init (void)
192 if (!(gd
->flags
& GD_FLG_RELOC
) || !serial_current
) {
193 struct serial_device
*dev
= default_serial_console ();
198 return serial_current
->init ();
201 void serial_setbrg (void)
203 if (!(gd
->flags
& GD_FLG_RELOC
) || !serial_current
) {
204 struct serial_device
*dev
= default_serial_console ();
210 serial_current
->setbrg ();
213 int serial_getc (void)
215 if (!(gd
->flags
& GD_FLG_RELOC
) || !serial_current
) {
216 struct serial_device
*dev
= default_serial_console ();
221 return serial_current
->getc ();
224 int serial_tstc (void)
226 if (!(gd
->flags
& GD_FLG_RELOC
) || !serial_current
) {
227 struct serial_device
*dev
= default_serial_console ();
232 return serial_current
->tstc ();
235 void serial_putc (const char c
)
237 if (!(gd
->flags
& GD_FLG_RELOC
) || !serial_current
) {
238 struct serial_device
*dev
= default_serial_console ();
244 serial_current
->putc (c
);
247 void serial_puts (const char *s
)
249 if (!(gd
->flags
& GD_FLG_RELOC
) || !serial_current
) {
250 struct serial_device
*dev
= default_serial_console ();
256 serial_current
->puts (s
);