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Commit | Line | Data |
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91d3256c | 1 | /* |
3f4978c7 HS |
2 | * Copyright (C) 2009 Sergey Kubushyn <ksi@koi8.net> |
3 | * | |
4 | * Changes for multibus/multiadapter I2C support. | |
5 | * | |
91d3256c WD |
6 | * (C) Copyright 2000 |
7 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it | |
8 | * | |
1a459660 | 9 | * SPDX-License-Identifier: GPL-2.0+ |
91d3256c WD |
10 | */ |
11 | ||
12 | #include <config.h> | |
13 | #include <common.h> | |
14 | #include <stdarg.h> | |
15 | #include <malloc.h> | |
52cb4d4f | 16 | #include <stdio_dev.h> |
281e00a3 | 17 | #include <serial.h> |
7f6c2cbc WD |
18 | #ifdef CONFIG_LOGBUFFER |
19 | #include <logbuff.h> | |
20 | #endif | |
ea818dbb HS |
21 | |
22 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) | |
91d3256c | 23 | #include <i2c.h> |
7f6c2cbc | 24 | #endif |
91d3256c | 25 | |
d87080b7 WD |
26 | DECLARE_GLOBAL_DATA_PTR; |
27 | ||
52cb4d4f JCPV |
28 | static struct stdio_dev devs; |
29 | struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL }; | |
91d3256c WD |
30 | char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" }; |
31 | ||
6d0f6bcf JCPV |
32 | #if defined(CONFIG_SPLASH_SCREEN) && !defined(CONFIG_SYS_DEVICE_NULLDEV) |
33 | #define CONFIG_SYS_DEVICE_NULLDEV 1 | |
d791b1dc WD |
34 | #endif |
35 | ||
36 | ||
6d0f6bcf | 37 | #ifdef CONFIG_SYS_DEVICE_NULLDEV |
91d3256c WD |
38 | void nulldev_putc(const char c) |
39 | { | |
c1de7a6d | 40 | /* nulldev is empty! */ |
91d3256c WD |
41 | } |
42 | ||
43 | void nulldev_puts(const char *s) | |
44 | { | |
c1de7a6d | 45 | /* nulldev is empty! */ |
91d3256c WD |
46 | } |
47 | ||
48 | int nulldev_input(void) | |
49 | { | |
c1de7a6d JCPV |
50 | /* nulldev is empty! */ |
51 | return 0; | |
91d3256c WD |
52 | } |
53 | #endif | |
54 | ||
55 | /************************************************************************** | |
56 | * SYSTEM DRIVERS | |
57 | ************************************************************************** | |
58 | */ | |
59 | ||
60 | static void drv_system_init (void) | |
61 | { | |
52cb4d4f | 62 | struct stdio_dev dev; |
91d3256c WD |
63 | |
64 | memset (&dev, 0, sizeof (dev)); | |
65 | ||
66 | strcpy (dev.name, "serial"); | |
67 | dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; | |
91d3256c WD |
68 | dev.putc = serial_putc; |
69 | dev.puts = serial_puts; | |
70 | dev.getc = serial_getc; | |
71 | dev.tstc = serial_tstc; | |
52cb4d4f | 72 | stdio_register (&dev); |
91d3256c | 73 | |
6d0f6bcf | 74 | #ifdef CONFIG_SYS_DEVICE_NULLDEV |
91d3256c WD |
75 | memset (&dev, 0, sizeof (dev)); |
76 | ||
77 | strcpy (dev.name, "nulldev"); | |
78 | dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; | |
79 | dev.putc = nulldev_putc; | |
80 | dev.puts = nulldev_puts; | |
81 | dev.getc = nulldev_input; | |
82 | dev.tstc = nulldev_input; | |
83 | ||
52cb4d4f | 84 | stdio_register (&dev); |
91d3256c WD |
85 | #endif |
86 | } | |
87 | ||
88 | /************************************************************************** | |
89 | * DEVICES | |
90 | ************************************************************************** | |
91 | */ | |
52cb4d4f | 92 | struct list_head* stdio_get_list(void) |
c1de7a6d JCPV |
93 | { |
94 | return &(devs.list); | |
95 | } | |
96 | ||
d7be3056 | 97 | struct stdio_dev* stdio_get_by_name(const char *name) |
c1de7a6d JCPV |
98 | { |
99 | struct list_head *pos; | |
52cb4d4f | 100 | struct stdio_dev *dev; |
c1de7a6d JCPV |
101 | |
102 | if(!name) | |
103 | return NULL; | |
104 | ||
105 | list_for_each(pos, &(devs.list)) { | |
52cb4d4f | 106 | dev = list_entry(pos, struct stdio_dev, list); |
c1de7a6d JCPV |
107 | if(strcmp(dev->name, name) == 0) |
108 | return dev; | |
109 | } | |
110 | ||
111 | return NULL; | |
112 | } | |
113 | ||
52cb4d4f | 114 | struct stdio_dev* stdio_clone(struct stdio_dev *dev) |
628ffd73 | 115 | { |
52cb4d4f | 116 | struct stdio_dev *_dev; |
628ffd73 JCPV |
117 | |
118 | if(!dev) | |
119 | return NULL; | |
120 | ||
52cb4d4f | 121 | _dev = calloc(1, sizeof(struct stdio_dev)); |
628ffd73 JCPV |
122 | |
123 | if(!_dev) | |
124 | return NULL; | |
125 | ||
52cb4d4f | 126 | memcpy(_dev, dev, sizeof(struct stdio_dev)); |
628ffd73 JCPV |
127 | |
128 | return _dev; | |
129 | } | |
91d3256c | 130 | |
52cb4d4f | 131 | int stdio_register (struct stdio_dev * dev) |
91d3256c | 132 | { |
52cb4d4f | 133 | struct stdio_dev *_dev; |
628ffd73 | 134 | |
52cb4d4f | 135 | _dev = stdio_clone(dev); |
628ffd73 JCPV |
136 | if(!_dev) |
137 | return -1; | |
3e3c026e | 138 | list_add_tail(&(_dev->list), &(devs.list)); |
91d3256c WD |
139 | return 0; |
140 | } | |
141 | ||
142 | /* deregister the device "devname". | |
143 | * returns 0 if success, -1 if device is assigned and 1 if devname not found | |
144 | */ | |
52cb4d4f | 145 | #ifdef CONFIG_SYS_STDIO_DEREGISTER |
d7be3056 | 146 | int stdio_deregister(const char *devname) |
91d3256c | 147 | { |
c1de7a6d JCPV |
148 | int l; |
149 | struct list_head *pos; | |
52cb4d4f | 150 | struct stdio_dev *dev; |
03bf22f5 | 151 | char temp_names[3][16]; |
91d3256c | 152 | |
52cb4d4f | 153 | dev = stdio_get_by_name(devname); |
c1de7a6d JCPV |
154 | |
155 | if(!dev) /* device not found */ | |
156 | return -1; | |
91d3256c WD |
157 | /* get stdio devices (ListRemoveItem changes the dev list) */ |
158 | for (l=0 ; l< MAX_FILES; l++) { | |
159 | if (stdio_devices[l] == dev) { | |
160 | /* Device is assigned -> report error */ | |
161 | return -1; | |
162 | } | |
163 | memcpy (&temp_names[l][0], | |
164 | stdio_devices[l]->name, | |
03bf22f5 | 165 | sizeof(temp_names[l])); |
91d3256c | 166 | } |
c1de7a6d JCPV |
167 | |
168 | list_del(&(dev->list)); | |
169 | ||
91d3256c | 170 | /* reassign Device list */ |
c1de7a6d | 171 | list_for_each(pos, &(devs.list)) { |
52cb4d4f | 172 | dev = list_entry(pos, struct stdio_dev, list); |
91d3256c | 173 | for (l=0 ; l< MAX_FILES; l++) { |
c1de7a6d | 174 | if(strcmp(dev->name, temp_names[l]) == 0) |
91d3256c | 175 | stdio_devices[l] = dev; |
91d3256c WD |
176 | } |
177 | } | |
178 | return 0; | |
179 | } | |
52cb4d4f | 180 | #endif /* CONFIG_SYS_STDIO_DEREGISTER */ |
91d3256c | 181 | |
52cb4d4f | 182 | int stdio_init (void) |
91d3256c | 183 | { |
2e5167cc | 184 | #if defined(CONFIG_NEEDS_MANUAL_RELOC) |
521af04d | 185 | /* already relocated for current ARM implementation */ |
91d3256c | 186 | ulong relocation_offset = gd->reloc_off; |
3595ac49 | 187 | int i; |
91d3256c WD |
188 | |
189 | /* relocate device name pointers */ | |
190 | for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) { | |
191 | stdio_names[i] = (char *) (((ulong) stdio_names[i]) + | |
192 | relocation_offset); | |
193 | } | |
2e5167cc | 194 | #endif /* CONFIG_NEEDS_MANUAL_RELOC */ |
91d3256c WD |
195 | |
196 | /* Initialize the list */ | |
c1de7a6d | 197 | INIT_LIST_HEAD(&(devs.list)); |
91d3256c | 198 | |
3f4978c7 | 199 | #ifdef CONFIG_SYS_I2C |
3f4978c7 | 200 | i2c_init_all(); |
3f4978c7 | 201 | #else |
ea818dbb | 202 | #if defined(CONFIG_HARD_I2C) |
6d0f6bcf | 203 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
91d3256c | 204 | #endif |
3f4978c7 | 205 | #endif |
91d3256c WD |
206 | #ifdef CONFIG_LCD |
207 | drv_lcd_init (); | |
208 | #endif | |
a6c7ad2f | 209 | #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) |
91d3256c WD |
210 | drv_video_init (); |
211 | #endif | |
682011ff WD |
212 | #ifdef CONFIG_KEYBOARD |
213 | drv_keyboard_init (); | |
56f94be3 WD |
214 | #endif |
215 | #ifdef CONFIG_LOGBUFFER | |
216 | drv_logbuff_init (); | |
91d3256c WD |
217 | #endif |
218 | drv_system_init (); | |
52cb4d4f | 219 | serial_stdio_init (); |
232c150a WD |
220 | #ifdef CONFIG_USB_TTY |
221 | drv_usbtty_init (); | |
222 | #endif | |
68ceb29e WD |
223 | #ifdef CONFIG_NETCONSOLE |
224 | drv_nc_init (); | |
225 | #endif | |
36ea8e9a MF |
226 | #ifdef CONFIG_JTAG_CONSOLE |
227 | drv_jtag_console_init (); | |
228 | #endif | |
98ab435f VB |
229 | #ifdef CONFIG_CBMEM_CONSOLE |
230 | cbmemc_init(); | |
231 | #endif | |
91d3256c WD |
232 | return (0); |
233 | } |