[J-u-boot.git] / common / stdio.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2009 Sergey Kubushyn <[email protected]>
 *
 * Changes for multibus/multiadapter I2C support.
 *
 * (C) Copyright 2000
 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), [email protected]
 */

#include <config.h>
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <log.h>
#include <stdarg.h>
#include <malloc.h>
#include <stdio_dev.h>
#include <serial.h>
#include <splash.h>
#include <i2c.h>
#include <asm/global_data.h>
#include <dm/device-internal.h>

DECLARE_GLOBAL_DATA_PTR;

static struct stdio_dev devs;
struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };

int stdio_file_to_flags(const int file)
{
	switch (file) {
	case stdin:
		return DEV_FLAGS_INPUT;
	case stdout:
	case stderr:
		return DEV_FLAGS_OUTPUT;
	default:
		return -EINVAL;
	}
}

#if CONFIG_IS_ENABLED(SYS_DEVICE_NULLDEV)
static void nulldev_putc(struct stdio_dev *dev, const char c)
{
	/* nulldev is empty! */
}

static void nulldev_puts(struct stdio_dev *dev, const char *s)
{
	/* nulldev is empty! */
}

static int nulldev_input(struct stdio_dev *dev)
{
	/* nulldev is empty! */
	return 0;
}

static void nulldev_register(void)
{
	struct stdio_dev dev;

	memset(&dev, '\0', sizeof(dev));

	strcpy(dev.name, "nulldev");
	dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
	dev.putc = nulldev_putc;
	dev.puts = nulldev_puts;
	dev.getc = nulldev_input;
	dev.tstc = nulldev_input;

	stdio_register(&dev);
}
#else
static inline void nulldev_register(void) {}
#endif	/* SYS_DEVICE_NULLDEV */

static void stdio_serial_putc(struct stdio_dev *dev, const char c)
{
	serial_putc(c);
}

static void stdio_serial_puts(struct stdio_dev *dev, const char *s)
{
	serial_puts(s);
}

static int stdio_serial_getc(struct stdio_dev *dev)
{
	return serial_getc();
}

static int stdio_serial_tstc(struct stdio_dev *dev)
{
	return serial_tstc();
}

/**************************************************************************
 * SYSTEM DRIVERS
 **************************************************************************
 */

static void drv_system_init (void)
{
	struct stdio_dev dev;

	memset (&dev, 0, sizeof (dev));

	strcpy (dev.name, "serial");
	dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
	dev.putc = stdio_serial_putc;
	dev.puts = stdio_serial_puts;
	dev.getc = stdio_serial_getc;
	dev.tstc = stdio_serial_tstc;
	stdio_register (&dev);

	nulldev_register();
}

/**************************************************************************
 * DEVICES
 **************************************************************************
 */
struct list_head* stdio_get_list(void)
{
	return &devs.list;
}

/**
 * stdio_probe_device() - Find a device which provides the given stdio device
 *
 * This looks for a device of the given uclass which provides a particular
 * stdio device. It is currently really only useful for UCLASS_VIDEO.
 *
 * Ultimately we want to be able to probe a device by its stdio name. At
 * present devices register in their probe function (for video devices this
 * is done in vidconsole_post_probe()) and we don't know what name they will
 * use until they do so.
 * TODO([email protected]): We should be able to determine the name before
 * probing, and probe the required device.
 *
 * @name:	stdio device name (e.g. "vidconsole")
 * id:		Uclass ID of device to look for (e.g. UCLASS_VIDEO)
 * @sdevp:	Returns stdout device, if found, else NULL
 * @return 0 if found, -ENOENT if no device found with that name, other -ve
 *	   on other error
 */
static int stdio_probe_device(const char *name, enum uclass_id id,
			      struct stdio_dev **sdevp)
{
	struct stdio_dev *sdev;
	struct udevice *dev;
	int seq, ret;

	*sdevp = NULL;
	seq = trailing_strtoln(name, NULL);
	if (seq == -1)
		seq = 0;
	ret = uclass_get_device_by_seq(id, seq, &dev);
	if (ret == -ENODEV)
		ret = uclass_first_device_err(id, &dev);
	if (ret) {
		debug("No %s device for seq %d (%s)\n", uclass_get_name(id),
		      seq, name);
		return ret;
	}
	/* The device should be be the last one registered */
	sdev = list_empty(&devs.list) ? NULL :
			list_last_entry(&devs.list, struct stdio_dev, list);
	if (!sdev || strcmp(sdev->name, name)) {
		debug("Device '%s' did not register with stdio as '%s'\n",
		      dev->name, name);
		return -ENOENT;
	}
	*sdevp = sdev;

	return 0;
}

struct stdio_dev *stdio_get_by_name(const char *name)
{
	struct list_head *pos;
	struct stdio_dev *sdev;

	if (!name)
		return NULL;

	list_for_each(pos, &devs.list) {
		sdev = list_entry(pos, struct stdio_dev, list);
		if (strcmp(sdev->name, name) == 0)
			return sdev;
	}
	if (IS_ENABLED(CONFIG_DM_VIDEO)) {
		/*
		 * We did not find a suitable stdio device. If there is a video
		 * driver with a name starting with 'vidconsole', we can try
		 * probing that in the hope that it will produce the required
		 * stdio device.
		 *
		 * This function is sometimes called with the entire value of
		 * 'stdout', which may include a list of devices separate by
		 * commas. Obviously this is not going to work, so we ignore
		 * that case. The call path in that case is
		 * console_init_r() -> console_search_dev() -> stdio_get_by_name()
		 */
		if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') &&
		    !stdio_probe_device(name, UCLASS_VIDEO, &sdev))
			return sdev;
	}

	return NULL;
}

struct stdio_dev *stdio_clone(struct stdio_dev *dev)
{
	struct stdio_dev *_dev;

	if (!dev)
		return NULL;

	_dev = calloc(1, sizeof(struct stdio_dev));
	if (!_dev)
		return NULL;

	memcpy(_dev, dev, sizeof(struct stdio_dev));

	return _dev;
}

int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp)
{
	struct stdio_dev *_dev;

	_dev = stdio_clone(dev);
	if (!_dev)
		return -ENODEV;
	list_add_tail(&_dev->list, &devs.list);
	if (devp)
		*devp = _dev;

	return 0;
}

int stdio_register(struct stdio_dev *dev)
{
	return stdio_register_dev(dev, NULL);
}

int stdio_deregister_dev(struct stdio_dev *dev, int force)
{
	struct list_head *pos;
	char temp_names[3][16];
	int i;

	/* get stdio devices (ListRemoveItem changes the dev list) */
	for (i = 0 ; i < MAX_FILES; i++) {
		if (stdio_devices[i] == dev) {
			if (force) {
				strcpy(temp_names[i], "nulldev");
				continue;
			}
			/* Device is assigned -> report error */
			return -EBUSY;
		}
		memcpy(&temp_names[i][0], stdio_devices[i]->name,
		       sizeof(temp_names[i]));
	}

	list_del(&dev->list);
	free(dev);

	/* reassign device list */
	list_for_each(pos, &devs.list) {
		dev = list_entry(pos, struct stdio_dev, list);
		for (i = 0 ; i < MAX_FILES; i++) {
			if (strcmp(dev->name, temp_names[i]) == 0)
				stdio_devices[i] = dev;
		}
	}

	return 0;
}

int stdio_init_tables(void)
{
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	/* already relocated for current ARM implementation */
	ulong relocation_offset = gd->reloc_off;
	int i;

	/* relocate device name pointers */
	for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) {
		stdio_names[i] = (char *) (((ulong) stdio_names[i]) +
						relocation_offset);
	}
#endif /* CONFIG_NEEDS_MANUAL_RELOC */

	/* Initialize the list */
	INIT_LIST_HEAD(&devs.list);

	return 0;
}

int stdio_add_devices(void)
{
	struct udevice *dev;
	struct uclass *uc;
	int ret;

	if (IS_ENABLED(CONFIG_DM_KEYBOARD)) {
		/*
		 * For now we probe all the devices here. At some point this
		 * should be done only when the devices are required - e.g. we
		 * have a list of input devices to start up in the stdin
		 * environment variable. That work probably makes more sense
		 * when stdio itself is converted to driver model.
		 *
		 * TODO([email protected]): Convert changing
		 * uclass_first_device() etc. to return the device even on
		 * error. Then we could use that here.
		 */
		ret = uclass_get(UCLASS_KEYBOARD, &uc);
		if (ret)
			return ret;

		/*
		 * Don't report errors to the caller - assume that they are
		 * non-fatal
		 */
		uclass_foreach_dev(dev, uc) {
			ret = device_probe(dev);
			if (ret)
				printf("Failed to probe keyboard '%s'\n",
				       dev->name);
		}
	}
#ifdef CONFIG_SYS_I2C
	i2c_init_all();
#endif
	if (IS_ENABLED(CONFIG_DM_VIDEO)) {
		/*
		 * If the console setting is not in environment variables then
		 * console_init_r() will not be calling iomux_doenv() (which
		 * calls console_search_dev()). So we will not dynamically add
		 * devices by calling stdio_probe_device().
		 *
		 * So just probe all video devices now so that whichever one is
		 * required will be available.
		 */
		struct udevice *vdev;
		int ret;

		if (!IS_ENABLED(CONFIG_SYS_CONSOLE_IS_IN_ENV)) {
			for (ret = uclass_first_device(UCLASS_VIDEO, &vdev);
			     vdev;
			     ret = uclass_next_device(&vdev))
				;
			if (ret)
				printf("%s: Video device failed (ret=%d)\n",
				       __func__, ret);
		}
		if (IS_ENABLED(CONFIG_SPLASH_SCREEN) &&
		    IS_ENABLED(CONFIG_CMD_BMP))
			splash_display();
	} else {
		if (IS_ENABLED(CONFIG_LCD))
			drv_lcd_init();
		if (IS_ENABLED(CONFIG_VIDEO) ||
		    IS_ENABLED(CONFIG_CFB_CONSOLE) ||
		    IS_ENABLED(CONFIG_VIDEO_VCXK))
			drv_video_init();
	}

#if defined(CONFIG_KEYBOARD) && !defined(CONFIG_DM_KEYBOARD)
	drv_keyboard_init();
#endif
	drv_system_init();
	serial_stdio_init();
#ifdef CONFIG_USB_TTY
	drv_usbtty_init();
#endif
	if (IS_ENABLED(CONFIG_NETCONSOLE))
		drv_nc_init();
#ifdef CONFIG_JTAG_CONSOLE
	drv_jtag_console_init();
#endif
	if (IS_ENABLED(CONFIG_CBMEM_CONSOLE))
		cbmemc_init();

	return 0;
}

int stdio_init(void)
{
	stdio_init_tables();
	stdio_add_devices();

	return 0;
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
91d3256c	2	/*
3f4978c7 HS	3	* Copyright (C) 2009 Sergey Kubushyn <[email protected]>
	4	*
	5	* Changes for multibus/multiadapter I2C support.
	6	*
91d3256c WD	7	* (C) Copyright 2000
91d3256c WD	8	* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), [email protected]
91d3256c WD	9	*/
	10
	11	#include <config.h>
	12	#include <common.h>
b206cd73	13	#include <dm.h>
d97143a6	14	#include <errno.h>
f7ae49fc	15	#include <log.h>
91d3256c WD	16	#include <stdarg.h>
91d3256c WD	17	#include <malloc.h>
52cb4d4f	18	#include <stdio_dev.h>
281e00a3	19	#include <serial.h>
5eb83c0a	20	#include <splash.h>
91d3256c	21	#include <i2c.h>
401d1c4f	22	#include <asm/global_data.h>
b206cd73 SG	23	#include <dm/device-internal.h>
b206cd73 SG	24
d87080b7 WD	25	DECLARE_GLOBAL_DATA_PTR;
d87080b7 WD	26
52cb4d4f JCPV	27	static struct stdio_dev devs;
52cb4d4f JCPV	28	struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
91d3256c WD	29	char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
91d3256c WD	30
d9b0ac90 AS	31	int stdio_file_to_flags(const int file)
	32	{
	33	switch (file) {
	34	case stdin:
	35	return DEV_FLAGS_INPUT;
	36	case stdout:
	37	case stderr:
	38	return DEV_FLAGS_OUTPUT;
	39	default:
	40	return -EINVAL;
	41	}
	42	}
	43
99cb2b99	44	#if CONFIG_IS_ENABLED(SYS_DEVICE_NULLDEV)
654f8d0f	45	static void nulldev_putc(struct stdio_dev *dev, const char c)
91d3256c	46	{
c1de7a6d	47	/* nulldev is empty! */
91d3256c WD	48	}
91d3256c WD	49
654f8d0f	50	static void nulldev_puts(struct stdio_dev dev, const char s)
91d3256c	51	{
c1de7a6d	52	/* nulldev is empty! */
91d3256c WD	53	}
91d3256c WD	54
654f8d0f	55	static int nulldev_input(struct stdio_dev *dev)
91d3256c	56	{
c1de7a6d JCPV	57	/* nulldev is empty! */
c1de7a6d JCPV	58	return 0;
91d3256c	59	}
91d3256c	60
99cb2b99 AS	61	static void nulldev_register(void)
	62	{
	63	struct stdio_dev dev;
	64
	65	memset(&dev, '\0', sizeof(dev));
	66
	67	strcpy(dev.name, "nulldev");
	68	dev.flags = DEV_FLAGS_OUTPUT \| DEV_FLAGS_INPUT;
	69	dev.putc = nulldev_putc;
	70	dev.puts = nulldev_puts;
	71	dev.getc = nulldev_input;
	72	dev.tstc = nulldev_input;
	73
	74	stdio_register(&dev);
	75	}
	76	#else
	77	static inline void nulldev_register(void) {}
	78	#endif /* SYS_DEVICE_NULLDEV */
	79
654f8d0f	80	static void stdio_serial_putc(struct stdio_dev *dev, const char c)
709ea543 SG	81	{
	82	serial_putc(c);
	83	}
	84
654f8d0f	85	static void stdio_serial_puts(struct stdio_dev dev, const char s)
709ea543 SG	86	{
	87	serial_puts(s);
	88	}
	89
654f8d0f	90	static int stdio_serial_getc(struct stdio_dev *dev)
709ea543 SG	91	{
	92	return serial_getc();
	93	}
	94
654f8d0f	95	static int stdio_serial_tstc(struct stdio_dev *dev)
709ea543 SG	96	{
	97	return serial_tstc();
	98	}
	99
91d3256c WD	100	/**************************************************************************
	101	* SYSTEM DRIVERS
	102	**************************************************************************
	103	*/
	104
	105	static void drv_system_init (void)
	106	{
52cb4d4f	107	struct stdio_dev dev;
91d3256c WD	108
	109	memset (&dev, 0, sizeof (dev));
	110
	111	strcpy (dev.name, "serial");
1caf934a	112	dev.flags = DEV_FLAGS_OUTPUT \| DEV_FLAGS_INPUT;
709ea543 SG	113	dev.putc = stdio_serial_putc;
	114	dev.puts = stdio_serial_puts;
	115	dev.getc = stdio_serial_getc;
	116	dev.tstc = stdio_serial_tstc;
52cb4d4f	117	stdio_register (&dev);
91d3256c	118
99cb2b99	119	nulldev_register();
91d3256c WD	120	}
	121
	122	/**************************************************************************
	123	* DEVICES
	124	**************************************************************************
	125	*/
52cb4d4f	126	struct list_head* stdio_get_list(void)
c1de7a6d	127	{
18c587d0	128	return &devs.list;
c1de7a6d JCPV	129	}
c1de7a6d JCPV	130
d8441ea2 SG	131	/**
	132	* stdio_probe_device() - Find a device which provides the given stdio device
	133	*
	134	* This looks for a device of the given uclass which provides a particular
	135	* stdio device. It is currently really only useful for UCLASS_VIDEO.
	136	*
	137	* Ultimately we want to be able to probe a device by its stdio name. At
	138	* present devices register in their probe function (for video devices this
	139	* is done in vidconsole_post_probe()) and we don't know what name they will
	140	* use until they do so.
	141	* TODO([email protected]): We should be able to determine the name before
	142	* probing, and probe the required device.
	143	*
	144	* @name: stdio device name (e.g. "vidconsole")
	145	* id: Uclass ID of device to look for (e.g. UCLASS_VIDEO)
	146	* @sdevp: Returns stdout device, if found, else NULL
	147	* @return 0 if found, -ENOENT if no device found with that name, other -ve
	148	* on other error
	149	*/
	150	static int stdio_probe_device(const char *name, enum uclass_id id,
	151	struct stdio_dev **sdevp)
	152	{
	153	struct stdio_dev *sdev;
	154	struct udevice *dev;
	155	int seq, ret;
	156
	157	*sdevp = NULL;
	158	seq = trailing_strtoln(name, NULL);
	159	if (seq == -1)
d844efec SG	160	seq = 0;
	161	ret = uclass_get_device_by_seq(id, seq, &dev);
	162	if (ret == -ENODEV)
d8441ea2	163	ret = uclass_first_device_err(id, &dev);
d8441ea2 SG	164	if (ret) {
	165	debug("No %s device for seq %d (%s)\n", uclass_get_name(id),
	166	seq, name);
	167	return ret;
	168	}
	169	/* The device should be be the last one registered */
	170	sdev = list_empty(&devs.list) ? NULL :
	171	list_last_entry(&devs.list, struct stdio_dev, list);
	172	if (!sdev \|\| strcmp(sdev->name, name)) {
	173	debug("Device '%s' did not register with stdio as '%s'\n",
	174	dev->name, name);
	175	return -ENOENT;
	176	}
	177	*sdevp = sdev;
	178
	179	return 0;
	180	}
d8441ea2	181
ab29a34a	182	struct stdio_dev stdio_get_by_name(const char name)
c1de7a6d JCPV	183	{
c1de7a6d JCPV	184	struct list_head *pos;
d8441ea2	185	struct stdio_dev *sdev;
c1de7a6d	186
ab29a34a	187	if (!name)
c1de7a6d JCPV	188	return NULL;
c1de7a6d JCPV	189
18c587d0	190	list_for_each(pos, &devs.list) {
d8441ea2 SG	191	sdev = list_entry(pos, struct stdio_dev, list);
	192	if (strcmp(sdev->name, name) == 0)
	193	return sdev;
c1de7a6d	194	}
5d4b6b17 SG	195	if (IS_ENABLED(CONFIG_DM_VIDEO)) {
	196	/*
	197	* We did not find a suitable stdio device. If there is a video
	198	* driver with a name starting with 'vidconsole', we can try
	199	* probing that in the hope that it will produce the required
	200	* stdio device.
	201	*
	202	* This function is sometimes called with the entire value of
	203	* 'stdout', which may include a list of devices separate by
	204	* commas. Obviously this is not going to work, so we ignore
	205	* that case. The call path in that case is
3232487d	206	* console_init_r() -> console_search_dev() -> stdio_get_by_name()
5d4b6b17 SG	207	*/
	208	if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') &&
	209	!stdio_probe_device(name, UCLASS_VIDEO, &sdev))
	210	return sdev;
	211	}
c1de7a6d JCPV	212
	213	return NULL;
	214	}
	215
4225f2f5	216	struct stdio_dev stdio_clone(struct stdio_dev dev)
628ffd73	217	{
52cb4d4f	218	struct stdio_dev *_dev;
628ffd73	219
4225f2f5	220	if (!dev)
628ffd73 JCPV	221	return NULL;
628ffd73 JCPV	222
52cb4d4f	223	_dev = calloc(1, sizeof(struct stdio_dev));
4225f2f5	224	if (!_dev)
628ffd73 JCPV	225	return NULL;
628ffd73 JCPV	226
52cb4d4f	227	memcpy(_dev, dev, sizeof(struct stdio_dev));
628ffd73 JCPV	228
	229	return _dev;
	230	}
91d3256c	231
d97143a6	232	int stdio_register_dev(struct stdio_dev dev, struct stdio_dev *devp)
91d3256c	233	{
52cb4d4f	234	struct stdio_dev *_dev;
628ffd73	235
52cb4d4f	236	_dev = stdio_clone(dev);
4225f2f5	237	if (!_dev)
d97143a6	238	return -ENODEV;
18c587d0	239	list_add_tail(&_dev->list, &devs.list);
d97143a6 SG	240	if (devp)
	241	*devp = _dev;
	242
91d3256c WD	243	return 0;
	244	}
	245
d97143a6 SG	246	int stdio_register(struct stdio_dev *dev)
	247	{
	248	return stdio_register_dev(dev, NULL);
	249	}
	250
32d01926	251	int stdio_deregister_dev(struct stdio_dev *dev, int force)
91d3256c	252	{
c1de7a6d	253	struct list_head *pos;
03bf22f5	254	char temp_names[3][16];
4225f2f5	255	int i;
91d3256c	256
91d3256c	257	/* get stdio devices (ListRemoveItem changes the dev list) */
4225f2f5 SG	258	for (i = 0 ; i < MAX_FILES; i++) {
4225f2f5 SG	259	if (stdio_devices[i] == dev) {
32d01926	260	if (force) {
4225f2f5	261	strcpy(temp_names[i], "nulldev");
32d01926 HG	262	continue;
32d01926 HG	263	}
91d3256c	264	/* Device is assigned -> report error */
4225f2f5	265	return -EBUSY;
91d3256c	266	}
4225f2f5 SG	267	memcpy(&temp_names[i][0], stdio_devices[i]->name,
4225f2f5 SG	268	sizeof(temp_names[i]));
91d3256c	269	}
c1de7a6d	270
18c587d0	271	list_del(&dev->list);
88274b6c	272	free(dev);
c1de7a6d	273
4225f2f5	274	/* reassign device list */
18c587d0	275	list_for_each(pos, &devs.list) {
52cb4d4f	276	dev = list_entry(pos, struct stdio_dev, list);
4225f2f5 SG	277	for (i = 0 ; i < MAX_FILES; i++) {
	278	if (strcmp(dev->name, temp_names[i]) == 0)
	279	stdio_devices[i] = dev;
91d3256c WD	280	}
91d3256c WD	281	}
4225f2f5	282
91d3256c WD	283	return 0;
91d3256c WD	284	}
d97143a6	285
9fb02491	286	int stdio_init_tables(void)
91d3256c	287	{
2e5167cc	288	#if defined(CONFIG_NEEDS_MANUAL_RELOC)
521af04d	289	/* already relocated for current ARM implementation */
91d3256c	290	ulong relocation_offset = gd->reloc_off;
3595ac49	291	int i;
91d3256c WD	292
	293	/* relocate device name pointers */
	294	for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) {
	295	stdio_names[i] = (char *) (((ulong) stdio_names[i]) +
	296	relocation_offset);
	297	}
2e5167cc	298	#endif /* CONFIG_NEEDS_MANUAL_RELOC */
91d3256c WD	299
91d3256c WD	300	/* Initialize the list */
18c587d0	301	INIT_LIST_HEAD(&devs.list);
91d3256c	302
9fb02491 SG	303	return 0;
	304	}
	305
	306	int stdio_add_devices(void)
	307	{
b206cd73 SG	308	struct udevice *dev;
	309	struct uclass *uc;
	310	int ret;
	311
5d4b6b17 SG	312	if (IS_ENABLED(CONFIG_DM_KEYBOARD)) {
	313	/*
	314	* For now we probe all the devices here. At some point this
	315	* should be done only when the devices are required - e.g. we
	316	* have a list of input devices to start up in the stdin
	317	* environment variable. That work probably makes more sense
	318	* when stdio itself is converted to driver model.
	319	*
	320	* TODO([email protected]): Convert changing
	321	* uclass_first_device() etc. to return the device even on
	322	* error. Then we could use that here.
	323	*/
	324	ret = uclass_get(UCLASS_KEYBOARD, &uc);
b206cd73	325	if (ret)
5d4b6b17 SG	326	return ret;
	327
	328	/*
	329	* Don't report errors to the caller - assume that they are
	330	* non-fatal
	331	*/
	332	uclass_foreach_dev(dev, uc) {
	333	ret = device_probe(dev);
	334	if (ret)
	335	printf("Failed to probe keyboard '%s'\n",
	336	dev->name);
	337	}
b206cd73	338	}
3f4978c7	339	#ifdef CONFIG_SYS_I2C
3f4978c7	340	i2c_init_all();
3f4978c7	341	#endif
5d4b6b17 SG	342	if (IS_ENABLED(CONFIG_DM_VIDEO)) {
	343	/*
	344	* If the console setting is not in environment variables then
	345	* console_init_r() will not be calling iomux_doenv() (which
3232487d	346	* calls console_search_dev()). So we will not dynamically add
5d4b6b17 SG	347	* devices by calling stdio_probe_device().
	348	*
	349	* So just probe all video devices now so that whichever one is
	350	* required will be available.
	351	*/
	352	struct udevice *vdev;
	353	int ret;
	354
	355	if (!IS_ENABLED(CONFIG_SYS_CONSOLE_IS_IN_ENV)) {
	356	for (ret = uclass_first_device(UCLASS_VIDEO, &vdev);
	357	vdev;
	358	ret = uclass_next_device(&vdev))
	359	;
	360	if (ret)
	361	printf("%s: Video device failed (ret=%d)\n",
	362	__func__, ret);
	363	}
	364	if (IS_ENABLED(CONFIG_SPLASH_SCREEN) &&
	365	IS_ENABLED(CONFIG_CMD_BMP))
	366	splash_display();
	367	} else {
	368	if (IS_ENABLED(CONFIG_LCD))
	369	drv_lcd_init();
8c9940d5 AG	370	if (IS_ENABLED(CONFIG_VIDEO) \|\|
	371	IS_ENABLED(CONFIG_CFB_CONSOLE) \|\|
	372	IS_ENABLED(CONFIG_VIDEO_VCXK))
5d4b6b17 SG	373	drv_video_init();
	374	}
	375
b206cd73	376	#if defined(CONFIG_KEYBOARD) && !defined(CONFIG_DM_KEYBOARD)
5d4b6b17	377	drv_keyboard_init();
91d3256c	378	#endif
5d4b6b17 SG	379	drv_system_init();
5d4b6b17 SG	380	serial_stdio_init();
232c150a	381	#ifdef CONFIG_USB_TTY
5d4b6b17	382	drv_usbtty_init();
68ceb29e	383	#endif
5d4b6b17 SG	384	if (IS_ENABLED(CONFIG_NETCONSOLE))
5d4b6b17 SG	385	drv_nc_init();
36ea8e9a	386	#ifdef CONFIG_JTAG_CONSOLE
5d4b6b17	387	drv_jtag_console_init();
98ab435f	388	#endif
5d4b6b17 SG	389	if (IS_ENABLED(CONFIG_CBMEM_CONSOLE))
5d4b6b17 SG	390	cbmemc_init();
9fb02491 SG	391
	392	return 0;
	393	}
	394
	395	int stdio_init(void)
	396	{
	397	stdio_init_tables();
	398	stdio_add_devices();
	399
	400	return 0;
91d3256c	401	}