[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);
}

#ifdef CONFIG_CONSOLE_FLUSH_SUPPORT
static void stdio_serial_flush(struct stdio_dev *dev)
{
	serial_flush();
}
#endif

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;
	STDIO_DEV_ASSIGN_FLUSH(&dev, stdio_serial_flush);
	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_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][STDIO_NAME_LEN];
	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;
		}
		strlcpy(&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)
{
	/* Initialize the list */
	INIT_LIST_HEAD(&devs.list);

	return 0;
}

int stdio_add_devices(void)
{
	struct udevice *dev;
	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.
		 */

		/*
		 * Don't report errors to the caller - assume that they are
		 * non-fatal
		 */
		for (ret = uclass_first_device_check(UCLASS_KEYBOARD, &dev);
				dev;
				ret = uclass_next_device_check(&dev)) {
			if (ret)
				printf("%s: Failed to probe keyboard '%s' (ret=%d)\n",
				       __func__, dev->name, ret);
		}
	}
#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
	i2c_init_all();
#endif
	if (IS_ENABLED(CONFIG_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_check(UCLASS_VIDEO,
							     &vdev);
					vdev;
					ret = uclass_next_device_check(&vdev)) {
				if (ret)
					printf("%s: Failed to probe video device '%s' (ret=%d)\n",
					       __func__, vdev->name, ret);
			}
		}
		if (IS_ENABLED(CONFIG_SPLASH_SCREEN) &&
		    IS_ENABLED(CONFIG_CMD_BMP))
			splash_display();
	}

	drv_system_init();
	serial_stdio_init();
#ifdef CONFIG_USB_TTY
	drv_usbtty_init();
#endif
#ifdef CONFIG_USB_FUNCTION_ACM
	drv_usbacm_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;
}
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
78b52431 T	90	#ifdef CONFIG_CONSOLE_FLUSH_SUPPORT
	91	static void stdio_serial_flush(struct stdio_dev *dev)
	92	{
	93	serial_flush();
	94	}
	95	#endif
	96
654f8d0f	97	static int stdio_serial_getc(struct stdio_dev *dev)
709ea543 SG	98	{
	99	return serial_getc();
	100	}
	101
654f8d0f	102	static int stdio_serial_tstc(struct stdio_dev *dev)
709ea543 SG	103	{
	104	return serial_tstc();
	105	}
	106
91d3256c WD	107	/**************************************************************************
	108	* SYSTEM DRIVERS
	109	**************************************************************************
	110	*/
	111
	112	static void drv_system_init (void)
	113	{
52cb4d4f	114	struct stdio_dev dev;
91d3256c WD	115
	116	memset (&dev, 0, sizeof (dev));
	117
	118	strcpy (dev.name, "serial");
1caf934a	119	dev.flags = DEV_FLAGS_OUTPUT \| DEV_FLAGS_INPUT;
709ea543 SG	120	dev.putc = stdio_serial_putc;
709ea543 SG	121	dev.puts = stdio_serial_puts;
78b52431	122	STDIO_DEV_ASSIGN_FLUSH(&dev, stdio_serial_flush);
709ea543 SG	123	dev.getc = stdio_serial_getc;
709ea543 SG	124	dev.tstc = stdio_serial_tstc;
52cb4d4f	125	stdio_register (&dev);
91d3256c	126
99cb2b99	127	nulldev_register();
91d3256c WD	128	}
	129
	130	/**************************************************************************
	131	* DEVICES
	132	**************************************************************************
	133	*/
52cb4d4f	134	struct list_head* stdio_get_list(void)
c1de7a6d	135	{
18c587d0	136	return &devs.list;
c1de7a6d JCPV	137	}
c1de7a6d JCPV	138
d8441ea2 SG	139	/**
	140	* stdio_probe_device() - Find a device which provides the given stdio device
	141	*
	142	* This looks for a device of the given uclass which provides a particular
	143	* stdio device. It is currently really only useful for UCLASS_VIDEO.
	144	*
	145	* Ultimately we want to be able to probe a device by its stdio name. At
	146	* present devices register in their probe function (for video devices this
	147	* is done in vidconsole_post_probe()) and we don't know what name they will
	148	* use until they do so.
	149	* TODO([email protected]): We should be able to determine the name before
	150	* probing, and probe the required device.
	151	*
	152	* @name: stdio device name (e.g. "vidconsole")
	153	* id: Uclass ID of device to look for (e.g. UCLASS_VIDEO)
	154	* @sdevp: Returns stdout device, if found, else NULL
185f812c	155	* Return: 0 if found, -ENOENT if no device found with that name, other -ve
d8441ea2 SG	156	* on other error
	157	*/
	158	static int stdio_probe_device(const char *name, enum uclass_id id,
	159	struct stdio_dev **sdevp)
	160	{
	161	struct stdio_dev *sdev;
	162	struct udevice *dev;
	163	int seq, ret;
	164
	165	*sdevp = NULL;
	166	seq = trailing_strtoln(name, NULL);
	167	if (seq == -1)
d844efec SG	168	seq = 0;
	169	ret = uclass_get_device_by_seq(id, seq, &dev);
	170	if (ret == -ENODEV)
d8441ea2	171	ret = uclass_first_device_err(id, &dev);
d8441ea2 SG	172	if (ret) {
	173	debug("No %s device for seq %d (%s)\n", uclass_get_name(id),
	174	seq, name);
	175	return ret;
	176	}
	177	/* The device should be be the last one registered */
	178	sdev = list_empty(&devs.list) ? NULL :
	179	list_last_entry(&devs.list, struct stdio_dev, list);
	180	if (!sdev \|\| strcmp(sdev->name, name)) {
	181	debug("Device '%s' did not register with stdio as '%s'\n",
	182	dev->name, name);
	183	return -ENOENT;
	184	}
	185	*sdevp = sdev;
	186
	187	return 0;
	188	}
d8441ea2	189
ab29a34a	190	struct stdio_dev stdio_get_by_name(const char name)
c1de7a6d JCPV	191	{
c1de7a6d JCPV	192	struct list_head *pos;
d8441ea2	193	struct stdio_dev *sdev;
c1de7a6d	194
ab29a34a	195	if (!name)
c1de7a6d JCPV	196	return NULL;
c1de7a6d JCPV	197
18c587d0	198	list_for_each(pos, &devs.list) {
d8441ea2 SG	199	sdev = list_entry(pos, struct stdio_dev, list);
	200	if (strcmp(sdev->name, name) == 0)
	201	return sdev;
c1de7a6d	202	}
b86986c7	203	if (IS_ENABLED(CONFIG_VIDEO)) {
5d4b6b17 SG	204	/*
	205	* We did not find a suitable stdio device. If there is a video
	206	* driver with a name starting with 'vidconsole', we can try
	207	* probing that in the hope that it will produce the required
	208	* stdio device.
	209	*
	210	* This function is sometimes called with the entire value of
	211	* 'stdout', which may include a list of devices separate by
	212	* commas. Obviously this is not going to work, so we ignore
	213	* that case. The call path in that case is
3232487d	214	* console_init_r() -> console_search_dev() -> stdio_get_by_name()
5d4b6b17 SG	215	*/
	216	if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') &&
	217	!stdio_probe_device(name, UCLASS_VIDEO, &sdev))
	218	return sdev;
	219	}
c1de7a6d JCPV	220
	221	return NULL;
	222	}
	223
4225f2f5	224	struct stdio_dev stdio_clone(struct stdio_dev dev)
628ffd73	225	{
52cb4d4f	226	struct stdio_dev *_dev;
628ffd73	227
4225f2f5	228	if (!dev)
628ffd73 JCPV	229	return NULL;
628ffd73 JCPV	230
52cb4d4f	231	_dev = calloc(1, sizeof(struct stdio_dev));
4225f2f5	232	if (!_dev)
628ffd73 JCPV	233	return NULL;
628ffd73 JCPV	234
52cb4d4f	235	memcpy(_dev, dev, sizeof(struct stdio_dev));
628ffd73 JCPV	236
	237	return _dev;
	238	}
91d3256c	239
d97143a6	240	int stdio_register_dev(struct stdio_dev dev, struct stdio_dev *devp)
91d3256c	241	{
52cb4d4f	242	struct stdio_dev *_dev;
628ffd73	243
52cb4d4f	244	_dev = stdio_clone(dev);
4225f2f5	245	if (!_dev)
d97143a6	246	return -ENODEV;
18c587d0	247	list_add_tail(&_dev->list, &devs.list);
d97143a6 SG	248	if (devp)
	249	*devp = _dev;
	250
91d3256c WD	251	return 0;
	252	}
	253
d97143a6 SG	254	int stdio_register(struct stdio_dev *dev)
	255	{
	256	return stdio_register_dev(dev, NULL);
	257	}
	258
32d01926	259	int stdio_deregister_dev(struct stdio_dev *dev, int force)
91d3256c	260	{
c1de7a6d	261	struct list_head *pos;
6da11cc8	262	char temp_names[3][STDIO_NAME_LEN];
4225f2f5	263	int i;
91d3256c	264
91d3256c	265	/* get stdio devices (ListRemoveItem changes the dev list) */
4225f2f5 SG	266	for (i = 0 ; i < MAX_FILES; i++) {
4225f2f5 SG	267	if (stdio_devices[i] == dev) {
32d01926	268	if (force) {
4225f2f5	269	strcpy(temp_names[i], "nulldev");
32d01926 HG	270	continue;
32d01926 HG	271	}
91d3256c	272	/* Device is assigned -> report error */
4225f2f5	273	return -EBUSY;
91d3256c	274	}
6da11cc8 HS	275	strlcpy(&temp_names[i][0], stdio_devices[i]->name,
6da11cc8 HS	276	sizeof(temp_names[i]));
91d3256c	277	}
c1de7a6d	278
18c587d0	279	list_del(&dev->list);
88274b6c	280	free(dev);
c1de7a6d	281
4225f2f5	282	/* reassign device list */
18c587d0	283	list_for_each(pos, &devs.list) {
52cb4d4f	284	dev = list_entry(pos, struct stdio_dev, list);
4225f2f5 SG	285	for (i = 0 ; i < MAX_FILES; i++) {
	286	if (strcmp(dev->name, temp_names[i]) == 0)
	287	stdio_devices[i] = dev;
91d3256c WD	288	}
91d3256c WD	289	}
4225f2f5	290
91d3256c WD	291	return 0;
91d3256c WD	292	}
d97143a6	293
9fb02491	294	int stdio_init_tables(void)
91d3256c	295	{
91d3256c	296	/* Initialize the list */
18c587d0	297	INIT_LIST_HEAD(&devs.list);
91d3256c	298
9fb02491 SG	299	return 0;
	300	}
	301
	302	int stdio_add_devices(void)
	303	{
b206cd73	304	struct udevice *dev;
b206cd73 SG	305	int ret;
b206cd73 SG	306
5d4b6b17 SG	307	if (IS_ENABLED(CONFIG_DM_KEYBOARD)) {
	308	/*
	309	* For now we probe all the devices here. At some point this
	310	* should be done only when the devices are required - e.g. we
	311	* have a list of input devices to start up in the stdin
	312	* environment variable. That work probably makes more sense
	313	* when stdio itself is converted to driver model.
5d4b6b17	314	*/
5d4b6b17 SG	315
	316	/*
	317	* Don't report errors to the caller - assume that they are
	318	* non-fatal
	319	*/
7ff12631 MS	320	for (ret = uclass_first_device_check(UCLASS_KEYBOARD, &dev);
	321	dev;
	322	ret = uclass_next_device_check(&dev)) {
5d4b6b17	323	if (ret)
7ff12631 MS	324	printf("%s: Failed to probe keyboard '%s' (ret=%d)\n",
7ff12631 MS	325	__func__, dev->name, ret);
5d4b6b17	326	}
b206cd73	327	}
55dabcc8	328	#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
3f4978c7	329	i2c_init_all();
3f4978c7	330	#endif
b86986c7	331	if (IS_ENABLED(CONFIG_VIDEO)) {
5d4b6b17 SG	332	/*
	333	* If the console setting is not in environment variables then
	334	* console_init_r() will not be calling iomux_doenv() (which
3232487d	335	* calls console_search_dev()). So we will not dynamically add
5d4b6b17 SG	336	* devices by calling stdio_probe_device().
	337	*
	338	* So just probe all video devices now so that whichever one is
	339	* required will be available.
	340	*/
	341	struct udevice *vdev;
	342	int ret;
	343
	344	if (!IS_ENABLED(CONFIG_SYS_CONSOLE_IS_IN_ENV)) {
7ff12631 MS	345	for (ret = uclass_first_device_check(UCLASS_VIDEO,
	346	&vdev);
	347	vdev;
	348	ret = uclass_next_device_check(&vdev)) {
	349	if (ret)
	350	printf("%s: Failed to probe video device '%s' (ret=%d)\n",
	351	__func__, vdev->name, ret);
	352	}
5d4b6b17 SG	353	}
	354	if (IS_ENABLED(CONFIG_SPLASH_SCREEN) &&
	355	IS_ENABLED(CONFIG_CMD_BMP))
	356	splash_display();
5d4b6b17 SG	357	}
5d4b6b17 SG	358
5d4b6b17 SG	359	drv_system_init();
5d4b6b17 SG	360	serial_stdio_init();
232c150a	361	#ifdef CONFIG_USB_TTY
5d4b6b17	362	drv_usbtty_init();
fc2b399a LP	363	#endif
	364	#ifdef CONFIG_USB_FUNCTION_ACM
	365	drv_usbacm_init ();
68ceb29e	366	#endif
5d4b6b17 SG	367	if (IS_ENABLED(CONFIG_NETCONSOLE))
5d4b6b17 SG	368	drv_nc_init();
36ea8e9a	369	#ifdef CONFIG_JTAG_CONSOLE
5d4b6b17	370	drv_jtag_console_init();
98ab435f	371	#endif
5d4b6b17 SG	372	if (IS_ENABLED(CONFIG_CBMEM_CONSOLE))
5d4b6b17 SG	373	cbmemc_init();
9fb02491 SG	374
	375	return 0;
	376	}