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wdenk91d32562002-09-18 21:21:13 +00001/*
Heiko Schocher3f4978c2012-01-16 21:12:24 +00002 * Copyright (C) 2009 Sergey Kubushyn <ksi@koi8.net>
3 *
4 * Changes for multibus/multiadapter I2C support.
5 *
wdenk91d32562002-09-18 21:21:13 +00006 * (C) Copyright 2000
7 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28#include <config.h>
29#include <common.h>
30#include <stdarg.h>
31#include <malloc.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020032#include <stdio_dev.h>
wdenk281e00a2004-08-01 22:48:16 +000033#include <serial.h>
wdenk7f6c2cb2002-11-10 22:06:23 +000034#ifdef CONFIG_LOGBUFFER
35#include <logbuff.h>
36#endif
Heiko Schocher3f4978c2012-01-16 21:12:24 +000037#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) || \
38 defined(CONFIG_SYS_I2C_ADAPTERS)
wdenk91d32562002-09-18 21:21:13 +000039#include <i2c.h>
wdenk7f6c2cb2002-11-10 22:06:23 +000040#endif
wdenk91d32562002-09-18 21:21:13 +000041
Wolfgang Denkd87080b2006-03-31 18:32:53 +020042DECLARE_GLOBAL_DATA_PTR;
43
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020044static struct stdio_dev devs;
45struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
wdenk91d32562002-09-18 21:21:13 +000046char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
47
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020048#if defined(CONFIG_SPLASH_SCREEN) && !defined(CONFIG_SYS_DEVICE_NULLDEV)
49#define CONFIG_SYS_DEVICE_NULLDEV 1
wdenkd791b1d2003-04-20 14:04:18 +000050#endif
51
52
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020053#ifdef CONFIG_SYS_DEVICE_NULLDEV
wdenk91d32562002-09-18 21:21:13 +000054void nulldev_putc(const char c)
55{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020056 /* nulldev is empty! */
wdenk91d32562002-09-18 21:21:13 +000057}
58
59void nulldev_puts(const char *s)
60{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020061 /* nulldev is empty! */
wdenk91d32562002-09-18 21:21:13 +000062}
63
64int nulldev_input(void)
65{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020066 /* nulldev is empty! */
67 return 0;
wdenk91d32562002-09-18 21:21:13 +000068}
69#endif
70
71/**************************************************************************
72 * SYSTEM DRIVERS
73 **************************************************************************
74 */
75
76static void drv_system_init (void)
77{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020078 struct stdio_dev dev;
wdenk91d32562002-09-18 21:21:13 +000079
80 memset (&dev, 0, sizeof (dev));
81
82 strcpy (dev.name, "serial");
83 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
wdenk91d32562002-09-18 21:21:13 +000084 dev.putc = serial_putc;
85 dev.puts = serial_puts;
86 dev.getc = serial_getc;
87 dev.tstc = serial_tstc;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020088 stdio_register (&dev);
wdenk91d32562002-09-18 21:21:13 +000089
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020090#ifdef CONFIG_SYS_DEVICE_NULLDEV
wdenk91d32562002-09-18 21:21:13 +000091 memset (&dev, 0, sizeof (dev));
92
93 strcpy (dev.name, "nulldev");
94 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
95 dev.putc = nulldev_putc;
96 dev.puts = nulldev_puts;
97 dev.getc = nulldev_input;
98 dev.tstc = nulldev_input;
99
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200100 stdio_register (&dev);
wdenk91d32562002-09-18 21:21:13 +0000101#endif
102}
103
104/**************************************************************************
105 * DEVICES
106 **************************************************************************
107 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200108struct list_head* stdio_get_list(void)
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200109{
110 return &(devs.list);
111}
112
Mike Frysingerd7be3052010-10-20 07:18:03 -0400113struct stdio_dev* stdio_get_by_name(const char *name)
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200114{
115 struct list_head *pos;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200116 struct stdio_dev *dev;
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200117
118 if(!name)
119 return NULL;
120
121 list_for_each(pos, &(devs.list)) {
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200122 dev = list_entry(pos, struct stdio_dev, list);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200123 if(strcmp(dev->name, name) == 0)
124 return dev;
125 }
126
127 return NULL;
128}
129
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200130struct stdio_dev* stdio_clone(struct stdio_dev *dev)
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200131{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200132 struct stdio_dev *_dev;
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200133
134 if(!dev)
135 return NULL;
136
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200137 _dev = calloc(1, sizeof(struct stdio_dev));
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200138
139 if(!_dev)
140 return NULL;
141
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200142 memcpy(_dev, dev, sizeof(struct stdio_dev));
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200143
144 return _dev;
145}
wdenk91d32562002-09-18 21:21:13 +0000146
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200147int stdio_register (struct stdio_dev * dev)
wdenk91d32562002-09-18 21:21:13 +0000148{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200149 struct stdio_dev *_dev;
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200150
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200151 _dev = stdio_clone(dev);
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200152 if(!_dev)
153 return -1;
Stefan Roese3e3c0262008-09-05 10:47:46 +0200154 list_add_tail(&(_dev->list), &(devs.list));
wdenk91d32562002-09-18 21:21:13 +0000155 return 0;
156}
157
158/* deregister the device "devname".
159 * returns 0 if success, -1 if device is assigned and 1 if devname not found
160 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200161#ifdef CONFIG_SYS_STDIO_DEREGISTER
Mike Frysingerd7be3052010-10-20 07:18:03 -0400162int stdio_deregister(const char *devname)
wdenk91d32562002-09-18 21:21:13 +0000163{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200164 int l;
165 struct list_head *pos;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200166 struct stdio_dev *dev;
Bradley Bolen03bf22f2011-08-22 11:48:05 +0000167 char temp_names[3][16];
wdenk91d32562002-09-18 21:21:13 +0000168
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200169 dev = stdio_get_by_name(devname);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200170
171 if(!dev) /* device not found */
172 return -1;
wdenk91d32562002-09-18 21:21:13 +0000173 /* get stdio devices (ListRemoveItem changes the dev list) */
174 for (l=0 ; l< MAX_FILES; l++) {
175 if (stdio_devices[l] == dev) {
176 /* Device is assigned -> report error */
177 return -1;
178 }
179 memcpy (&temp_names[l][0],
180 stdio_devices[l]->name,
Bradley Bolen03bf22f2011-08-22 11:48:05 +0000181 sizeof(temp_names[l]));
wdenk91d32562002-09-18 21:21:13 +0000182 }
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200183
184 list_del(&(dev->list));
185
wdenk91d32562002-09-18 21:21:13 +0000186 /* reassign Device list */
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200187 list_for_each(pos, &(devs.list)) {
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200188 dev = list_entry(pos, struct stdio_dev, list);
wdenk91d32562002-09-18 21:21:13 +0000189 for (l=0 ; l< MAX_FILES; l++) {
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200190 if(strcmp(dev->name, temp_names[l]) == 0)
wdenk91d32562002-09-18 21:21:13 +0000191 stdio_devices[l] = dev;
wdenk91d32562002-09-18 21:21:13 +0000192 }
193 }
194 return 0;
195}
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200196#endif /* CONFIG_SYS_STDIO_DEREGISTER */
wdenk91d32562002-09-18 21:21:13 +0000197
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200198int stdio_init (void)
wdenk91d32562002-09-18 21:21:13 +0000199{
Wolfgang Denk2e5167c2010-10-28 20:00:11 +0200200#if defined(CONFIG_NEEDS_MANUAL_RELOC)
Peter Tyser521af042009-09-21 11:20:36 -0500201 /* already relocated for current ARM implementation */
wdenk91d32562002-09-18 21:21:13 +0000202 ulong relocation_offset = gd->reloc_off;
wdenk3595ac42003-06-22 17:18:28 +0000203 int i;
wdenk91d32562002-09-18 21:21:13 +0000204
205 /* relocate device name pointers */
206 for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) {
207 stdio_names[i] = (char *) (((ulong) stdio_names[i]) +
208 relocation_offset);
209 }
Wolfgang Denk2e5167c2010-10-28 20:00:11 +0200210#endif /* CONFIG_NEEDS_MANUAL_RELOC */
wdenk91d32562002-09-18 21:21:13 +0000211
212 /* Initialize the list */
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200213 INIT_LIST_HEAD(&(devs.list));
wdenk91d32562002-09-18 21:21:13 +0000214
Michal Simeke70fb532013-01-22 23:40:06 +0000215#ifdef CONFIG_ARM_DCC
Jean-Christophe PLAGNIOL-VILLARD4f572892009-02-22 15:49:28 +0100216 drv_arm_dcc_init ();
217#endif
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000218#ifdef CONFIG_SYS_I2C
219#ifdef CONFIG_SYS_I2C_ADAPTERS
220 i2c_init_all();
221#endif
222#else
wdenk91d32562002-09-18 21:21:13 +0000223#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200224 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
wdenk91d32562002-09-18 21:21:13 +0000225#endif
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000226#endif
wdenk91d32562002-09-18 21:21:13 +0000227#ifdef CONFIG_LCD
228 drv_lcd_init ();
229#endif
wdenka6c7ad22002-12-03 21:28:10 +0000230#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
wdenk91d32562002-09-18 21:21:13 +0000231 drv_video_init ();
232#endif
wdenk682011f2003-06-03 23:54:09 +0000233#ifdef CONFIG_KEYBOARD
234 drv_keyboard_init ();
wdenk91d32562002-09-18 21:21:13 +0000235#endif
wdenk56f94be2002-11-05 16:35:14 +0000236#ifdef CONFIG_LOGBUFFER
237 drv_logbuff_init ();
238#endif
wdenk91d32562002-09-18 21:21:13 +0000239 drv_system_init ();
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200240 serial_stdio_init ();
wdenk232c1502004-03-12 00:14:09 +0000241#ifdef CONFIG_USB_TTY
242 drv_usbtty_init ();
243#endif
wdenk68ceb292004-08-02 21:11:11 +0000244#ifdef CONFIG_NETCONSOLE
245 drv_nc_init ();
246#endif
Mike Frysinger36ea8e92008-10-11 21:51:20 -0400247#ifdef CONFIG_JTAG_CONSOLE
248 drv_jtag_console_init ();
249#endif
Vadim Bendebury98ab4352012-10-12 18:48:47 +0000250#ifdef CONFIG_CBMEM_CONSOLE
251 cbmemc_init();
252#endif
wdenk91d32562002-09-18 21:21:13 +0000253 return (0);
254}