wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 1 | /* |
| 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 Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 28 | DECLARE_GLOBAL_DATA_PTR; |
| 29 | |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 30 | #if defined(CONFIG_SERIAL_MULTI) |
| 31 | |
| 32 | static struct serial_device *serial_devices = NULL; |
| 33 | static struct serial_device *serial_current = NULL; |
| 34 | |
stefano babic | 80172c6 | 2007-08-30 22:57:04 +0200 | [diff] [blame] | 35 | #if !defined(CONFIG_LWMON) && !defined(CONFIG_PXA27X) |
Matthias Fuchs | 1208a2d | 2007-12-27 16:57:23 +0100 | [diff] [blame^] | 36 | struct serial_device *__default_serial_console (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 37 | { |
| 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; |
wdenk | ff36fd8 | 2005-01-09 22:28:56 +0000 | [diff] [blame] | 43 | #elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \ |
Stefan Roese | dbbd125 | 2007-10-05 17:10:59 +0200 | [diff] [blame] | 44 | || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \ |
| 45 | || defined(CONFIG_MPC5xxx) |
Wolfgang Denk | 0fd3025 | 2006-08-30 23:02:10 +0200 | [diff] [blame] | 46 | #if defined(CONFIG_CONS_INDEX) && defined(CFG_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; |
| 55 | #else |
| 56 | #error "Bad CONFIG_CONS_INDEX." |
| 57 | #endif |
| 58 | #elif defined(CONFIG_UART1_CONSOLE) |
Marian Balakowicz | 6c5879f | 2006-06-30 16:30:46 +0200 | [diff] [blame] | 59 | return &serial1_device; |
| 60 | #else |
| 61 | return &serial0_device; |
| 62 | #endif |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 63 | #else |
| 64 | #error No default console |
| 65 | #endif |
| 66 | } |
Matthias Fuchs | 1208a2d | 2007-12-27 16:57:23 +0100 | [diff] [blame^] | 67 | |
| 68 | struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console"))); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 69 | #endif |
| 70 | |
stefano babic | 80172c6 | 2007-08-30 22:57:04 +0200 | [diff] [blame] | 71 | int serial_register (struct serial_device *dev) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 72 | { |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 73 | dev->init += gd->reloc_off; |
| 74 | dev->setbrg += gd->reloc_off; |
| 75 | dev->getc += gd->reloc_off; |
| 76 | dev->tstc += gd->reloc_off; |
| 77 | dev->putc += gd->reloc_off; |
| 78 | dev->puts += gd->reloc_off; |
| 79 | |
| 80 | dev->next = serial_devices; |
| 81 | serial_devices = dev; |
| 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 86 | void serial_initialize (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 87 | { |
| 88 | #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 89 | serial_register (&serial_smc_device); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 90 | #endif |
| 91 | #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ |
| 92 | || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 93 | serial_register (&serial_scc_device); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 94 | #endif |
| 95 | |
wdenk | ff36fd8 | 2005-01-09 22:28:56 +0000 | [diff] [blame] | 96 | #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \ |
Stefan Roese | dbbd125 | 2007-10-05 17:10:59 +0200 | [diff] [blame] | 97 | || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \ |
| 98 | || defined(CONFIG_MPC5xxx) |
wdenk | ff36fd8 | 2005-01-09 22:28:56 +0000 | [diff] [blame] | 99 | serial_register(&serial0_device); |
| 100 | serial_register(&serial1_device); |
| 101 | #endif |
| 102 | |
Wolfgang Denk | 0fd3025 | 2006-08-30 23:02:10 +0200 | [diff] [blame] | 103 | #if defined(CFG_NS16550_SERIAL) |
| 104 | #if defined(CFG_NS16550_COM1) |
| 105 | serial_register(&eserial1_device); |
| 106 | #endif |
| 107 | #if defined(CFG_NS16550_COM2) |
| 108 | serial_register(&eserial2_device); |
| 109 | #endif |
| 110 | #if defined(CFG_NS16550_COM3) |
| 111 | serial_register(&eserial3_device); |
| 112 | #endif |
| 113 | #if defined(CFG_NS16550_COM4) |
| 114 | serial_register(&eserial4_device); |
| 115 | #endif |
| 116 | #endif /* CFG_NS16550_SERIAL */ |
stefano babic | 80172c6 | 2007-08-30 22:57:04 +0200 | [diff] [blame] | 117 | #if defined (CONFIG_FFUART) |
| 118 | serial_register(&serial_ffuart_device); |
| 119 | #endif |
| 120 | #if defined (CONFIG_BTUART) |
| 121 | serial_register(&serial_btuart_device); |
| 122 | #endif |
| 123 | #if defined (CONFIG_STUART) |
| 124 | serial_register(&serial_stuart_device); |
| 125 | #endif |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 126 | serial_assign (default_serial_console ()->name); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 127 | } |
| 128 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 129 | void serial_devices_init (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 130 | { |
| 131 | device_t dev; |
| 132 | struct serial_device *s = serial_devices; |
| 133 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 134 | while (s) { |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 135 | memset (&dev, 0, sizeof (dev)); |
| 136 | |
| 137 | strcpy (dev.name, s->name); |
| 138 | dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT; |
| 139 | |
| 140 | dev.start = s->init; |
| 141 | dev.putc = s->putc; |
| 142 | dev.puts = s->puts; |
| 143 | dev.getc = s->getc; |
| 144 | dev.tstc = s->tstc; |
| 145 | |
| 146 | device_register (&dev); |
| 147 | |
| 148 | s = s->next; |
| 149 | } |
| 150 | } |
| 151 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 152 | int serial_assign (char *name) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 153 | { |
| 154 | struct serial_device *s; |
| 155 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 156 | for (s = serial_devices; s; s = s->next) { |
| 157 | if (strcmp (s->name, name) == 0) { |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 158 | serial_current = s; |
| 159 | return 0; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | return 1; |
| 164 | } |
| 165 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 166 | void serial_reinit_all (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 167 | { |
| 168 | struct serial_device *s; |
| 169 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 170 | for (s = serial_devices; s; s = s->next) { |
| 171 | s->init (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 172 | } |
| 173 | } |
| 174 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 175 | int serial_init (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 176 | { |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 177 | if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { |
| 178 | struct serial_device *dev = default_serial_console (); |
| 179 | |
| 180 | return dev->init (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 181 | } |
| 182 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 183 | return serial_current->init (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 184 | } |
| 185 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 186 | void serial_setbrg (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 187 | { |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 188 | if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { |
| 189 | struct serial_device *dev = default_serial_console (); |
| 190 | |
| 191 | dev->setbrg (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 192 | return; |
| 193 | } |
| 194 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 195 | serial_current->setbrg (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 196 | } |
| 197 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 198 | int serial_getc (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 199 | { |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 200 | if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { |
| 201 | struct serial_device *dev = default_serial_console (); |
| 202 | |
| 203 | return dev->getc (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 204 | } |
| 205 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 206 | return serial_current->getc (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 207 | } |
| 208 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 209 | int serial_tstc (void) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 210 | { |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 211 | if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { |
| 212 | struct serial_device *dev = default_serial_console (); |
| 213 | |
| 214 | return dev->tstc (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 215 | } |
| 216 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 217 | return serial_current->tstc (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 218 | } |
| 219 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 220 | void serial_putc (const char c) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 221 | { |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 222 | if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { |
| 223 | struct serial_device *dev = default_serial_console (); |
| 224 | |
| 225 | dev->putc (c); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 226 | return; |
| 227 | } |
| 228 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 229 | serial_current->putc (c); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 230 | } |
| 231 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 232 | void serial_puts (const char *s) |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 233 | { |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 234 | if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { |
| 235 | struct serial_device *dev = default_serial_console (); |
| 236 | |
| 237 | dev->puts (s); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 238 | return; |
| 239 | } |
| 240 | |
wdenk | 2ee6653 | 2004-10-11 22:43:02 +0000 | [diff] [blame] | 241 | serial_current->puts (s); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 242 | } |
| 243 | |
| 244 | #endif /* CONFIG_SERIAL_MULTI */ |