3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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,
30 #ifdef CONFIG_LOGBUFFER
33 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
38 device_t *stdio_devices[] = { NULL, NULL, NULL };
39 char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
41 #if defined(CONFIG_SPLASH_SCREEN) && !defined(CFG_DEVICE_NULLDEV)
42 #define CFG_DEVICE_NULLDEV 1
46 #ifdef CFG_DEVICE_NULLDEV
47 void nulldev_putc(const char c)
49 /* nulldev is empty! */
52 void nulldev_puts(const char *s)
54 /* nulldev is empty! */
57 int nulldev_input(void)
59 /* nulldev is empty! */
64 /**************************************************************************
66 **************************************************************************
69 static void drv_system_init (void)
73 memset (&dev, 0, sizeof (dev));
75 strcpy (dev.name, "serial");
76 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
77 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
78 dev.putc = serial_buffered_putc;
79 dev.puts = serial_buffered_puts;
80 dev.getc = serial_buffered_getc;
81 dev.tstc = serial_buffered_tstc;
83 dev.putc = serial_putc;
84 dev.puts = serial_puts;
85 dev.getc = serial_getc;
86 dev.tstc = serial_tstc;
89 device_register (&dev);
91 #ifdef CFG_DEVICE_NULLDEV
92 memset (&dev, 0, sizeof (dev));
94 strcpy (dev.name, "nulldev");
95 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
96 dev.putc = nulldev_putc;
97 dev.puts = nulldev_puts;
98 dev.getc = nulldev_input;
99 dev.tstc = nulldev_input;
101 device_register (&dev);
105 /**************************************************************************
107 **************************************************************************
110 int device_register (device_t * dev)
112 ListInsertItem (devlist, dev, LIST_END);
116 /* deregister the device "devname".
117 * returns 0 if success, -1 if device is assigned and 1 if devname not found
119 #ifdef CFG_DEVICE_DEREGISTER
120 int device_deregister(char *devname)
123 device_t *dev = NULL;
124 char temp_names[3][8];
127 for (i=1; i<=ListNumItems(devlist); i++) {
128 dev = ListGetPtrToItem (devlist, i);
129 if(strcmp(dev->name,devname)==0) {
134 if(dev_index<0) /* device not found */
136 /* get stdio devices (ListRemoveItem changes the dev list) */
137 for (l=0 ; l< MAX_FILES; l++) {
138 if (stdio_devices[l] == dev) {
139 /* Device is assigned -> report error */
142 memcpy (&temp_names[l][0],
143 stdio_devices[l]->name,
144 sizeof(stdio_devices[l]->name));
146 ListRemoveItem(devlist,NULL,dev_index);
147 /* reassign Device list */
148 for (i=1; i<=ListNumItems(devlist); i++) {
149 dev = ListGetPtrToItem (devlist, i);
150 for (l=0 ; l< MAX_FILES; l++) {
151 if(strcmp(dev->name,temp_names[l])==0) {
152 stdio_devices[l] = dev;
158 #endif /* CFG_DEVICE_DEREGISTER */
160 int devices_init (void)
162 #ifndef CONFIG_ARM /* already relocated for current ARM implementation */
163 DECLARE_GLOBAL_DATA_PTR;
165 ulong relocation_offset = gd->reloc_off;
168 /* relocate device name pointers */
169 for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) {
170 stdio_names[i] = (char *) (((ulong) stdio_names[i]) +
175 /* Initialize the list */
176 devlist = ListCreate (sizeof (device_t));
178 if (devlist == NULL) {
179 eputs ("Cannot initialize the list of devices!\n");
182 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
183 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
188 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
191 #ifdef CONFIG_KEYBOARD
192 drv_keyboard_init ();
194 #ifdef CONFIG_LOGBUFFER
198 #ifdef CONFIG_SERIAL_MULTI
199 serial_devices_init ();
201 #ifdef CONFIG_USB_TTY
204 #ifdef CONFIG_NETCONSOLE
211 int devices_done (void)
213 ListDispose (devlist);