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24#include <config.h>
25#include <common.h>
26#include <stdarg.h>
27#include <malloc.h>
28#include <stdio_dev.h>
29#include <serial.h>
30#ifdef CONFIG_LOGBUFFER
31#include <logbuff.h>
32#endif
33#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
34#include <i2c.h>
35#endif
36
37DECLARE_GLOBAL_DATA_PTR;
38
39static struct stdio_dev devs;
40struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
41char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
42
43#if defined(CONFIG_SPLASH_SCREEN) && !defined(CONFIG_SYS_DEVICE_NULLDEV)
44#define CONFIG_SYS_DEVICE_NULLDEV 1
45#endif
46
47
48#ifdef CONFIG_SYS_DEVICE_NULLDEV
49void nulldev_putc(const char c)
50{
51
52}
53
54void nulldev_puts(const char *s)
55{
56
57}
58
59int nulldev_input(void)
60{
61
62 return 0;
63}
64#endif
65
66
67
68
69
70
71static void drv_system_init (void)
72{
73 struct stdio_dev 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;
79#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
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 stdio_register (&dev);
92
93#ifdef CONFIG_SYS_DEVICE_NULLDEV
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 stdio_register (&dev);
104#endif
105}
106
107
108
109
110
111struct list_head* stdio_get_list(void)
112{
113 return &(devs.list);
114}
115
116struct stdio_dev* stdio_get_by_name(char* name)
117{
118 struct list_head *pos;
119 struct stdio_dev *dev;
120
121 if(!name)
122 return NULL;
123
124 list_for_each(pos, &(devs.list)) {
125 dev = list_entry(pos, struct stdio_dev, list);
126 if(strcmp(dev->name, name) == 0)
127 return dev;
128 }
129
130 return NULL;
131}
132
133struct stdio_dev* stdio_clone(struct stdio_dev *dev)
134{
135 struct stdio_dev *_dev;
136
137 if(!dev)
138 return NULL;
139
140 _dev = calloc(1, sizeof(struct stdio_dev));
141
142 if(!_dev)
143 return NULL;
144
145 memcpy(_dev, dev, sizeof(struct stdio_dev));
146 strncpy(_dev->name, dev->name, 16);
147
148 return _dev;
149}
150
151int stdio_register (struct stdio_dev * dev)
152{
153 struct stdio_dev *_dev;
154
155 _dev = stdio_clone(dev);
156 if(!_dev)
157 return -1;
158 list_add_tail(&(_dev->list), &(devs.list));
159 return 0;
160}
161
162
163
164
165#ifdef CONFIG_SYS_STDIO_DEREGISTER
166int stdio_deregister(char *devname)
167{
168 int l;
169 struct list_head *pos;
170 struct stdio_dev *dev;
171 char temp_names[3][8];
172
173 dev = stdio_get_by_name(devname);
174
175 if(!dev)
176 return -1;
177
178 for (l=0 ; l< MAX_FILES; l++) {
179 if (stdio_devices[l] == dev) {
180
181 return -1;
182 }
183 memcpy (&temp_names[l][0],
184 stdio_devices[l]->name,
185 sizeof(stdio_devices[l]->name));
186 }
187
188 list_del(&(dev->list));
189
190
191 list_for_each(pos, &(devs.list)) {
192 dev = list_entry(pos, struct stdio_dev, list);
193 for (l=0 ; l< MAX_FILES; l++) {
194 if(strcmp(dev->name, temp_names[l]) == 0)
195 stdio_devices[l] = dev;
196 }
197 }
198 return 0;
199}
200#endif
201
202int stdio_init (void)
203{
204#if !defined(CONFIG_RELOC_FIXUP_WORKS)
205
206 ulong relocation_offset = gd->reloc_off;
207 int i;
208
209
210 for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) {
211 stdio_names[i] = (char *) (((ulong) stdio_names[i]) +
212 relocation_offset);
213 }
214#endif
215
216
217 INIT_LIST_HEAD(&(devs.list));
218
219#ifdef CONFIG_ARM_DCC_MULTI
220 drv_arm_dcc_init ();
221#endif
222#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
223 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
224#endif
225#ifdef CONFIG_LCD
226 drv_lcd_init ();
227#endif
228#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
229 drv_video_init ();
230#endif
231#ifdef CONFIG_KEYBOARD
232 drv_keyboard_init ();
233#endif
234#ifdef CONFIG_LOGBUFFER
235 drv_logbuff_init ();
236#endif
237 drv_system_init ();
238#ifdef CONFIG_SERIAL_MULTI
239 serial_stdio_init ();
240#endif
241#ifdef CONFIG_USB_TTY
242 drv_usbtty_init ();
243#endif
244#ifdef CONFIG_NETCONSOLE
245 drv_nc_init ();
246#endif
247#ifdef CONFIG_JTAG_CONSOLE
248 drv_jtag_console_init ();
249#endif
250
251 return (0);
252}
253