wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2000 |
| 3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it |
| 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 <config.h> |
| 25 | #include <common.h> |
| 26 | #include <stdarg.h> |
| 27 | #include <malloc.h> |
| 28 | #include <devices.h> |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 29 | #include <serial.h> |
wdenk | 7f6c2cb | 2002-11-10 22:06:23 +0000 | [diff] [blame] | 30 | #ifdef CONFIG_LOGBUFFER |
| 31 | #include <logbuff.h> |
| 32 | #endif |
| 33 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 34 | #include <i2c.h> |
wdenk | 7f6c2cb | 2002-11-10 22:06:23 +0000 | [diff] [blame] | 35 | #endif |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 36 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 37 | DECLARE_GLOBAL_DATA_PTR; |
| 38 | |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 39 | static device_t devs; |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 40 | device_t *stdio_devices[] = { NULL, NULL, NULL }; |
| 41 | char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" }; |
| 42 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 43 | #if defined(CONFIG_SPLASH_SCREEN) && !defined(CONFIG_SYS_DEVICE_NULLDEV) |
| 44 | #define CONFIG_SYS_DEVICE_NULLDEV 1 |
wdenk | d791b1d | 2003-04-20 14:04:18 +0000 | [diff] [blame] | 45 | #endif |
| 46 | |
| 47 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 48 | #ifdef CONFIG_SYS_DEVICE_NULLDEV |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 49 | void nulldev_putc(const char c) |
| 50 | { |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 51 | /* nulldev is empty! */ |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | void nulldev_puts(const char *s) |
| 55 | { |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 56 | /* nulldev is empty! */ |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | int nulldev_input(void) |
| 60 | { |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 61 | /* nulldev is empty! */ |
| 62 | return 0; |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 63 | } |
| 64 | #endif |
| 65 | |
| 66 | /************************************************************************** |
| 67 | * SYSTEM DRIVERS |
| 68 | ************************************************************************** |
| 69 | */ |
| 70 | |
| 71 | static void drv_system_init (void) |
| 72 | { |
| 73 | device_t dev; |
| 74 | |
| 75 | memset (&dev, 0, sizeof (dev)); |
| 76 | |
| 77 | strcpy (dev.name, "serial"); |
| 78 | dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; |
wdenk | 42dfe7a | 2004-03-14 22:25:36 +0000 | [diff] [blame] | 79 | #ifdef CONFIG_SERIAL_SOFTWARE_FIFO |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 80 | dev.putc = serial_buffered_putc; |
| 81 | dev.puts = serial_buffered_puts; |
| 82 | dev.getc = serial_buffered_getc; |
| 83 | dev.tstc = serial_buffered_tstc; |
| 84 | #else |
| 85 | dev.putc = serial_putc; |
| 86 | dev.puts = serial_puts; |
| 87 | dev.getc = serial_getc; |
| 88 | dev.tstc = serial_tstc; |
| 89 | #endif |
| 90 | |
| 91 | device_register (&dev); |
| 92 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 93 | #ifdef CONFIG_SYS_DEVICE_NULLDEV |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 94 | memset (&dev, 0, sizeof (dev)); |
| 95 | |
| 96 | strcpy (dev.name, "nulldev"); |
| 97 | dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; |
| 98 | dev.putc = nulldev_putc; |
| 99 | dev.puts = nulldev_puts; |
| 100 | dev.getc = nulldev_input; |
| 101 | dev.tstc = nulldev_input; |
| 102 | |
| 103 | device_register (&dev); |
| 104 | #endif |
| 105 | } |
| 106 | |
| 107 | /************************************************************************** |
| 108 | * DEVICES |
| 109 | ************************************************************************** |
| 110 | */ |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 111 | struct list_head* device_get_list(void) |
| 112 | { |
| 113 | return &(devs.list); |
| 114 | } |
| 115 | |
| 116 | device_t* device_get_by_name(char* name) |
| 117 | { |
| 118 | struct list_head *pos; |
| 119 | device_t *dev; |
| 120 | |
| 121 | if(!name) |
| 122 | return NULL; |
| 123 | |
| 124 | list_for_each(pos, &(devs.list)) { |
| 125 | dev = list_entry(pos, device_t, list); |
| 126 | if(strcmp(dev->name, name) == 0) |
| 127 | return dev; |
| 128 | } |
| 129 | |
| 130 | return NULL; |
| 131 | } |
| 132 | |
Jean-Christophe PLAGNIOL-VILLARD | 628ffd7 | 2008-09-01 17:11:26 +0200 | [diff] [blame] | 133 | device_t* device_clone(device_t *dev) |
| 134 | { |
| 135 | device_t *_dev; |
| 136 | |
| 137 | if(!dev) |
| 138 | return NULL; |
| 139 | |
| 140 | _dev = calloc(1, sizeof(device_t)); |
| 141 | |
| 142 | if(!_dev) |
| 143 | return NULL; |
| 144 | |
| 145 | memcpy(_dev, dev, sizeof(device_t)); |
| 146 | strncpy(_dev->name, dev->name, 16); |
| 147 | |
| 148 | return _dev; |
| 149 | } |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 150 | |
| 151 | int device_register (device_t * dev) |
| 152 | { |
Jean-Christophe PLAGNIOL-VILLARD | 628ffd7 | 2008-09-01 17:11:26 +0200 | [diff] [blame] | 153 | device_t *_dev; |
| 154 | |
| 155 | _dev = device_clone(dev); |
| 156 | if(!_dev) |
| 157 | return -1; |
Stefan Roese | 3e3c026 | 2008-09-05 10:47:46 +0200 | [diff] [blame] | 158 | list_add_tail(&(_dev->list), &(devs.list)); |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | /* deregister the device "devname". |
| 163 | * returns 0 if success, -1 if device is assigned and 1 if devname not found |
| 164 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 165 | #ifdef CONFIG_SYS_DEVICE_DEREGISTER |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 166 | int device_deregister(char *devname) |
| 167 | { |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 168 | int l; |
| 169 | struct list_head *pos; |
| 170 | device_t *dev; |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 171 | char temp_names[3][8]; |
| 172 | |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 173 | dev = device_get_by_name(devname); |
| 174 | |
| 175 | if(!dev) /* device not found */ |
| 176 | return -1; |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 177 | /* get stdio devices (ListRemoveItem changes the dev list) */ |
| 178 | for (l=0 ; l< MAX_FILES; l++) { |
| 179 | if (stdio_devices[l] == dev) { |
| 180 | /* Device is assigned -> report error */ |
| 181 | return -1; |
| 182 | } |
| 183 | memcpy (&temp_names[l][0], |
| 184 | stdio_devices[l]->name, |
| 185 | sizeof(stdio_devices[l]->name)); |
| 186 | } |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 187 | |
| 188 | list_del(&(dev->list)); |
| 189 | |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 190 | /* reassign Device list */ |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 191 | list_for_each(pos, &(devs.list)) { |
| 192 | dev = list_entry(pos, device_t, list); |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 193 | for (l=0 ; l< MAX_FILES; l++) { |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 194 | if(strcmp(dev->name, temp_names[l]) == 0) |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 195 | stdio_devices[l] = dev; |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 196 | } |
| 197 | } |
| 198 | return 0; |
| 199 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 200 | #endif /* CONFIG_SYS_DEVICE_DEREGISTER */ |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 201 | |
| 202 | int devices_init (void) |
| 203 | { |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 204 | #ifndef CONFIG_ARM /* already relocated for current ARM implementation */ |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 205 | ulong relocation_offset = gd->reloc_off; |
wdenk | 3595ac4 | 2003-06-22 17:18:28 +0000 | [diff] [blame] | 206 | int i; |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 207 | |
| 208 | /* relocate device name pointers */ |
| 209 | for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) { |
| 210 | stdio_names[i] = (char *) (((ulong) stdio_names[i]) + |
| 211 | relocation_offset); |
| 212 | } |
wdenk | 3595ac4 | 2003-06-22 17:18:28 +0000 | [diff] [blame] | 213 | #endif |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 214 | |
| 215 | /* Initialize the list */ |
Jean-Christophe PLAGNIOL-VILLARD | c1de7a6 | 2008-08-31 04:24:55 +0200 | [diff] [blame] | 216 | INIT_LIST_HEAD(&(devs.list)); |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 217 | |
Jean-Christophe PLAGNIOL-VILLARD | 4f57289 | 2009-02-22 15:49:28 +0100 | [diff] [blame^] | 218 | #ifdef CONFIG_ARM_DCC_MULTI |
| 219 | drv_arm_dcc_init (); |
| 220 | #endif |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 221 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 222 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 223 | #endif |
| 224 | #ifdef CONFIG_LCD |
| 225 | drv_lcd_init (); |
| 226 | #endif |
wdenk | a6c7ad2 | 2002-12-03 21:28:10 +0000 | [diff] [blame] | 227 | #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 228 | drv_video_init (); |
| 229 | #endif |
wdenk | 682011f | 2003-06-03 23:54:09 +0000 | [diff] [blame] | 230 | #ifdef CONFIG_KEYBOARD |
| 231 | drv_keyboard_init (); |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 232 | #endif |
wdenk | 56f94be | 2002-11-05 16:35:14 +0000 | [diff] [blame] | 233 | #ifdef CONFIG_LOGBUFFER |
| 234 | drv_logbuff_init (); |
| 235 | #endif |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 236 | drv_system_init (); |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 237 | #ifdef CONFIG_SERIAL_MULTI |
| 238 | serial_devices_init (); |
| 239 | #endif |
wdenk | 232c150 | 2004-03-12 00:14:09 +0000 | [diff] [blame] | 240 | #ifdef CONFIG_USB_TTY |
| 241 | drv_usbtty_init (); |
| 242 | #endif |
wdenk | 68ceb29 | 2004-08-02 21:11:11 +0000 | [diff] [blame] | 243 | #ifdef CONFIG_NETCONSOLE |
| 244 | drv_nc_init (); |
| 245 | #endif |
Mike Frysinger | 36ea8e9 | 2008-10-11 21:51:20 -0400 | [diff] [blame] | 246 | #ifdef CONFIG_JTAG_CONSOLE |
| 247 | drv_jtag_console_init (); |
| 248 | #endif |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 249 | |
wdenk | 91d3256 | 2002-09-18 21:21:13 +0000 | [diff] [blame] | 250 | return (0); |
| 251 | } |