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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 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02009 * SPDX-License-Identifier: GPL-2.0+
wdenk91d32562002-09-18 21:21:13 +000010 */
11
12#include <config.h>
13#include <common.h>
Simon Glassd97143a2014-07-23 06:55:05 -060014#include <errno.h>
wdenk91d32562002-09-18 21:21:13 +000015#include <stdarg.h>
16#include <malloc.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020017#include <stdio_dev.h>
wdenk281e00a2004-08-01 22:48:16 +000018#include <serial.h>
wdenk7f6c2cb2002-11-10 22:06:23 +000019#ifdef CONFIG_LOGBUFFER
20#include <logbuff.h>
21#endif
Heiko Schocherea818db2013-01-29 08:53:15 +010022
23#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
wdenk91d32562002-09-18 21:21:13 +000024#include <i2c.h>
wdenk7f6c2cb2002-11-10 22:06:23 +000025#endif
wdenk91d32562002-09-18 21:21:13 +000026
Wolfgang Denkd87080b2006-03-31 18:32:53 +020027DECLARE_GLOBAL_DATA_PTR;
28
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020029static struct stdio_dev devs;
30struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
wdenk91d32562002-09-18 21:21:13 +000031char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
32
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020033#if defined(CONFIG_SPLASH_SCREEN) && !defined(CONFIG_SYS_DEVICE_NULLDEV)
34#define CONFIG_SYS_DEVICE_NULLDEV 1
wdenkd791b1d2003-04-20 14:04:18 +000035#endif
36
Hans de Goede32d01922014-09-20 16:54:37 +020037#ifdef CONFIG_SYS_STDIO_DEREGISTER
38#define CONFIG_SYS_DEVICE_NULLDEV 1
39#endif
wdenkd791b1d2003-04-20 14:04:18 +000040
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020041#ifdef CONFIG_SYS_DEVICE_NULLDEV
Jeroen Hofstee654f8d02014-10-08 22:57:44 +020042static void nulldev_putc(struct stdio_dev *dev, const char c)
wdenk91d32562002-09-18 21:21:13 +000043{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020044 /* nulldev is empty! */
wdenk91d32562002-09-18 21:21:13 +000045}
46
Jeroen Hofstee654f8d02014-10-08 22:57:44 +020047static void nulldev_puts(struct stdio_dev *dev, const char *s)
wdenk91d32562002-09-18 21:21:13 +000048{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020049 /* nulldev is empty! */
wdenk91d32562002-09-18 21:21:13 +000050}
51
Jeroen Hofstee654f8d02014-10-08 22:57:44 +020052static int nulldev_input(struct stdio_dev *dev)
wdenk91d32562002-09-18 21:21:13 +000053{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020054 /* nulldev is empty! */
55 return 0;
wdenk91d32562002-09-18 21:21:13 +000056}
57#endif
58
Jeroen Hofstee654f8d02014-10-08 22:57:44 +020059static void stdio_serial_putc(struct stdio_dev *dev, const char c)
Simon Glass709ea542014-07-23 06:54:59 -060060{
61 serial_putc(c);
62}
63
Jeroen Hofstee654f8d02014-10-08 22:57:44 +020064static void stdio_serial_puts(struct stdio_dev *dev, const char *s)
Simon Glass709ea542014-07-23 06:54:59 -060065{
66 serial_puts(s);
67}
68
Jeroen Hofstee654f8d02014-10-08 22:57:44 +020069static int stdio_serial_getc(struct stdio_dev *dev)
Simon Glass709ea542014-07-23 06:54:59 -060070{
71 return serial_getc();
72}
73
Jeroen Hofstee654f8d02014-10-08 22:57:44 +020074static int stdio_serial_tstc(struct stdio_dev *dev)
Simon Glass709ea542014-07-23 06:54:59 -060075{
76 return serial_tstc();
77}
78
wdenk91d32562002-09-18 21:21:13 +000079/**************************************************************************
80 * SYSTEM DRIVERS
81 **************************************************************************
82 */
83
84static void drv_system_init (void)
85{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020086 struct stdio_dev dev;
wdenk91d32562002-09-18 21:21:13 +000087
88 memset (&dev, 0, sizeof (dev));
89
90 strcpy (dev.name, "serial");
Bin Meng1caf9342015-11-03 23:23:37 -080091 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
Simon Glass709ea542014-07-23 06:54:59 -060092 dev.putc = stdio_serial_putc;
93 dev.puts = stdio_serial_puts;
94 dev.getc = stdio_serial_getc;
95 dev.tstc = stdio_serial_tstc;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020096 stdio_register (&dev);
wdenk91d32562002-09-18 21:21:13 +000097
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020098#ifdef CONFIG_SYS_DEVICE_NULLDEV
wdenk91d32562002-09-18 21:21:13 +000099 memset (&dev, 0, sizeof (dev));
100
101 strcpy (dev.name, "nulldev");
Bin Meng1caf9342015-11-03 23:23:37 -0800102 dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
wdenk91d32562002-09-18 21:21:13 +0000103 dev.putc = nulldev_putc;
104 dev.puts = nulldev_puts;
105 dev.getc = nulldev_input;
106 dev.tstc = nulldev_input;
107
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200108 stdio_register (&dev);
wdenk91d32562002-09-18 21:21:13 +0000109#endif
110}
111
112/**************************************************************************
113 * DEVICES
114 **************************************************************************
115 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200116struct list_head* stdio_get_list(void)
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200117{
118 return &(devs.list);
119}
120
Mike Frysingerd7be3052010-10-20 07:18:03 -0400121struct stdio_dev* stdio_get_by_name(const char *name)
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200122{
123 struct list_head *pos;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200124 struct stdio_dev *dev;
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200125
126 if(!name)
127 return NULL;
128
129 list_for_each(pos, &(devs.list)) {
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200130 dev = list_entry(pos, struct stdio_dev, list);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200131 if(strcmp(dev->name, name) == 0)
132 return dev;
133 }
134
135 return NULL;
136}
137
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200138struct stdio_dev* stdio_clone(struct stdio_dev *dev)
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200139{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200140 struct stdio_dev *_dev;
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200141
142 if(!dev)
143 return NULL;
144
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200145 _dev = calloc(1, sizeof(struct stdio_dev));
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200146
147 if(!_dev)
148 return NULL;
149
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200150 memcpy(_dev, dev, sizeof(struct stdio_dev));
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200151
152 return _dev;
153}
wdenk91d32562002-09-18 21:21:13 +0000154
Simon Glassd97143a2014-07-23 06:55:05 -0600155int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp)
wdenk91d32562002-09-18 21:21:13 +0000156{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200157 struct stdio_dev *_dev;
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200158
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200159 _dev = stdio_clone(dev);
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +0200160 if(!_dev)
Simon Glassd97143a2014-07-23 06:55:05 -0600161 return -ENODEV;
Stefan Roese3e3c0262008-09-05 10:47:46 +0200162 list_add_tail(&(_dev->list), &(devs.list));
Simon Glassd97143a2014-07-23 06:55:05 -0600163 if (devp)
164 *devp = _dev;
165
wdenk91d32562002-09-18 21:21:13 +0000166 return 0;
167}
168
Simon Glassd97143a2014-07-23 06:55:05 -0600169int stdio_register(struct stdio_dev *dev)
170{
171 return stdio_register_dev(dev, NULL);
172}
173
wdenk91d32562002-09-18 21:21:13 +0000174/* deregister the device "devname".
175 * returns 0 if success, -1 if device is assigned and 1 if devname not found
176 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200177#ifdef CONFIG_SYS_STDIO_DEREGISTER
Hans de Goede32d01922014-09-20 16:54:37 +0200178int stdio_deregister_dev(struct stdio_dev *dev, int force)
wdenk91d32562002-09-18 21:21:13 +0000179{
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200180 int l;
181 struct list_head *pos;
Bradley Bolen03bf22f2011-08-22 11:48:05 +0000182 char temp_names[3][16];
wdenk91d32562002-09-18 21:21:13 +0000183
wdenk91d32562002-09-18 21:21:13 +0000184 /* get stdio devices (ListRemoveItem changes the dev list) */
185 for (l=0 ; l< MAX_FILES; l++) {
186 if (stdio_devices[l] == dev) {
Hans de Goede32d01922014-09-20 16:54:37 +0200187 if (force) {
188 strcpy(temp_names[l], "nulldev");
189 continue;
190 }
wdenk91d32562002-09-18 21:21:13 +0000191 /* Device is assigned -> report error */
192 return -1;
193 }
194 memcpy (&temp_names[l][0],
195 stdio_devices[l]->name,
Bradley Bolen03bf22f2011-08-22 11:48:05 +0000196 sizeof(temp_names[l]));
wdenk91d32562002-09-18 21:21:13 +0000197 }
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200198
199 list_del(&(dev->list));
Hans de Goede88274b62014-09-24 14:06:09 +0200200 free(dev);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200201
wdenk91d32562002-09-18 21:21:13 +0000202 /* reassign Device list */
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200203 list_for_each(pos, &(devs.list)) {
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200204 dev = list_entry(pos, struct stdio_dev, list);
wdenk91d32562002-09-18 21:21:13 +0000205 for (l=0 ; l< MAX_FILES; l++) {
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200206 if(strcmp(dev->name, temp_names[l]) == 0)
wdenk91d32562002-09-18 21:21:13 +0000207 stdio_devices[l] = dev;
wdenk91d32562002-09-18 21:21:13 +0000208 }
209 }
210 return 0;
211}
Simon Glassd97143a2014-07-23 06:55:05 -0600212
Hans de Goede32d01922014-09-20 16:54:37 +0200213int stdio_deregister(const char *devname, int force)
Simon Glassd97143a2014-07-23 06:55:05 -0600214{
215 struct stdio_dev *dev;
216
217 dev = stdio_get_by_name(devname);
218
219 if (!dev) /* device not found */
220 return -ENODEV;
221
Hans de Goede32d01922014-09-20 16:54:37 +0200222 return stdio_deregister_dev(dev, force);
Simon Glassd97143a2014-07-23 06:55:05 -0600223}
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200224#endif /* CONFIG_SYS_STDIO_DEREGISTER */
wdenk91d32562002-09-18 21:21:13 +0000225
Simon Glass9fb02492014-09-03 17:37:01 -0600226int stdio_init_tables(void)
wdenk91d32562002-09-18 21:21:13 +0000227{
Wolfgang Denk2e5167c2010-10-28 20:00:11 +0200228#if defined(CONFIG_NEEDS_MANUAL_RELOC)
Peter Tyser521af042009-09-21 11:20:36 -0500229 /* already relocated for current ARM implementation */
wdenk91d32562002-09-18 21:21:13 +0000230 ulong relocation_offset = gd->reloc_off;
wdenk3595ac42003-06-22 17:18:28 +0000231 int i;
wdenk91d32562002-09-18 21:21:13 +0000232
233 /* relocate device name pointers */
234 for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) {
235 stdio_names[i] = (char *) (((ulong) stdio_names[i]) +
236 relocation_offset);
237 }
Wolfgang Denk2e5167c2010-10-28 20:00:11 +0200238#endif /* CONFIG_NEEDS_MANUAL_RELOC */
wdenk91d32562002-09-18 21:21:13 +0000239
240 /* Initialize the list */
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200241 INIT_LIST_HEAD(&(devs.list));
wdenk91d32562002-09-18 21:21:13 +0000242
Simon Glass9fb02492014-09-03 17:37:01 -0600243 return 0;
244}
245
246int stdio_add_devices(void)
247{
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000248#ifdef CONFIG_SYS_I2C
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000249 i2c_init_all();
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000250#else
Heiko Schocherea818db2013-01-29 08:53:15 +0100251#if defined(CONFIG_HARD_I2C)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200252 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
wdenk91d32562002-09-18 21:21:13 +0000253#endif
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000254#endif
wdenk91d32562002-09-18 21:21:13 +0000255#ifdef CONFIG_LCD
256 drv_lcd_init ();
257#endif
wdenka6c7ad22002-12-03 21:28:10 +0000258#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
wdenk91d32562002-09-18 21:21:13 +0000259 drv_video_init ();
260#endif
wdenk682011f2003-06-03 23:54:09 +0000261#ifdef CONFIG_KEYBOARD
262 drv_keyboard_init ();
wdenk91d32562002-09-18 21:21:13 +0000263#endif
wdenk56f94be2002-11-05 16:35:14 +0000264#ifdef CONFIG_LOGBUFFER
265 drv_logbuff_init ();
266#endif
wdenk91d32562002-09-18 21:21:13 +0000267 drv_system_init ();
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200268 serial_stdio_init ();
wdenk232c1502004-03-12 00:14:09 +0000269#ifdef CONFIG_USB_TTY
270 drv_usbtty_init ();
271#endif
wdenk68ceb292004-08-02 21:11:11 +0000272#ifdef CONFIG_NETCONSOLE
273 drv_nc_init ();
274#endif
Mike Frysinger36ea8e92008-10-11 21:51:20 -0400275#ifdef CONFIG_JTAG_CONSOLE
276 drv_jtag_console_init ();
277#endif
Vadim Bendebury98ab4352012-10-12 18:48:47 +0000278#ifdef CONFIG_CBMEM_CONSOLE
279 cbmemc_init();
280#endif
Simon Glass9fb02492014-09-03 17:37:01 -0600281
282 return 0;
283}
284
285int stdio_init(void)
286{
287 stdio_init_tables();
288 stdio_add_devices();
289
290 return 0;
wdenk91d32562002-09-18 21:21:13 +0000291}