[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 <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>
b206cd73	12	#include <dm.h>
d97143a6	13	#include <errno.h>
f7ae49fc	14	#include <log.h>
91d3256c WD	15	#include <stdarg.h>
91d3256c WD	16	#include <malloc.h>
52cb4d4f	17	#include <stdio_dev.h>
281e00a3	18	#include <serial.h>
5eb83c0a	19	#include <splash.h>
91d3256c	20	#include <i2c.h>
401d1c4f	21	#include <asm/global_data.h>
b206cd73 SG	22	#include <dm/device-internal.h>
b206cd73 SG	23
d87080b7 WD	24	DECLARE_GLOBAL_DATA_PTR;
d87080b7 WD	25
52cb4d4f JCPV	26	static struct stdio_dev devs;
52cb4d4f JCPV	27	struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
91d3256c WD	28	char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
91d3256c WD	29
d9b0ac90 AS	30	int stdio_file_to_flags(const int file)
	31	{
	32	switch (file) {
	33	case stdin:
	34	return DEV_FLAGS_INPUT;
	35	case stdout:
	36	case stderr:
	37	return DEV_FLAGS_OUTPUT;
	38	default:
	39	return -EINVAL;
	40	}
	41	}
	42
99cb2b99	43	#if CONFIG_IS_ENABLED(SYS_DEVICE_NULLDEV)
654f8d0f	44	static void nulldev_putc(struct stdio_dev *dev, const char c)
91d3256c	45	{
c1de7a6d	46	/* nulldev is empty! */
91d3256c WD	47	}
91d3256c WD	48
654f8d0f	49	static void nulldev_puts(struct stdio_dev dev, const char s)
91d3256c	50	{
c1de7a6d	51	/* nulldev is empty! */
91d3256c WD	52	}
91d3256c WD	53
654f8d0f	54	static int nulldev_input(struct stdio_dev *dev)
91d3256c	55	{
c1de7a6d JCPV	56	/* nulldev is empty! */
c1de7a6d JCPV	57	return 0;
91d3256c	58	}
91d3256c	59
99cb2b99 AS	60	static void nulldev_register(void)
	61	{
	62	struct stdio_dev dev;
	63
	64	memset(&dev, '\0', sizeof(dev));
	65
	66	strcpy(dev.name, "nulldev");
	67	dev.flags = DEV_FLAGS_OUTPUT \| DEV_FLAGS_INPUT;
	68	dev.putc = nulldev_putc;
	69	dev.puts = nulldev_puts;
	70	dev.getc = nulldev_input;
	71	dev.tstc = nulldev_input;
	72
	73	stdio_register(&dev);
	74	}
	75	#else
	76	static inline void nulldev_register(void) {}
	77	#endif /* SYS_DEVICE_NULLDEV */
	78
654f8d0f	79	static void stdio_serial_putc(struct stdio_dev *dev, const char c)
709ea543 SG	80	{
	81	serial_putc(c);
	82	}
	83
654f8d0f	84	static void stdio_serial_puts(struct stdio_dev dev, const char s)
709ea543 SG	85	{
	86	serial_puts(s);
	87	}
	88
78b52431 T	89	#ifdef CONFIG_CONSOLE_FLUSH_SUPPORT
	90	static void stdio_serial_flush(struct stdio_dev *dev)
	91	{
	92	serial_flush();
	93	}
	94	#endif
	95
654f8d0f	96	static int stdio_serial_getc(struct stdio_dev *dev)
709ea543 SG	97	{
	98	return serial_getc();
	99	}
	100
654f8d0f	101	static int stdio_serial_tstc(struct stdio_dev *dev)
709ea543 SG	102	{
	103	return serial_tstc();
	104	}
	105
91d3256c WD	106	/**************************************************************************
	107	* SYSTEM DRIVERS
	108	**************************************************************************
	109	*/
	110
	111	static void drv_system_init (void)
	112	{
52cb4d4f	113	struct stdio_dev dev;
91d3256c WD	114
	115	memset (&dev, 0, sizeof (dev));
	116
	117	strcpy (dev.name, "serial");
1caf934a	118	dev.flags = DEV_FLAGS_OUTPUT \| DEV_FLAGS_INPUT;
709ea543 SG	119	dev.putc = stdio_serial_putc;
709ea543 SG	120	dev.puts = stdio_serial_puts;
78b52431	121	STDIO_DEV_ASSIGN_FLUSH(&dev, stdio_serial_flush);
709ea543 SG	122	dev.getc = stdio_serial_getc;
709ea543 SG	123	dev.tstc = stdio_serial_tstc;
52cb4d4f	124	stdio_register (&dev);
91d3256c	125
99cb2b99	126	nulldev_register();
91d3256c WD	127	}
	128
	129	/**************************************************************************
	130	* DEVICES
	131	**************************************************************************
	132	*/
52cb4d4f	133	struct list_head* stdio_get_list(void)
c1de7a6d	134	{
18c587d0	135	return &devs.list;
c1de7a6d JCPV	136	}
c1de7a6d JCPV	137
d8441ea2 SG	138	/**
	139	* stdio_probe_device() - Find a device which provides the given stdio device
	140	*
	141	* This looks for a device of the given uclass which provides a particular
	142	* stdio device. It is currently really only useful for UCLASS_VIDEO.
	143	*
	144	* Ultimately we want to be able to probe a device by its stdio name. At
	145	* present devices register in their probe function (for video devices this
	146	* is done in vidconsole_post_probe()) and we don't know what name they will
	147	* use until they do so.
	148	* TODO([email protected]): We should be able to determine the name before
	149	* probing, and probe the required device.
	150	*
	151	* @name: stdio device name (e.g. "vidconsole")
	152	* id: Uclass ID of device to look for (e.g. UCLASS_VIDEO)
	153	* @sdevp: Returns stdout device, if found, else NULL
185f812c	154	* Return: 0 if found, -ENOENT if no device found with that name, other -ve
d8441ea2 SG	155	* on other error
	156	*/
	157	static int stdio_probe_device(const char *name, enum uclass_id id,
	158	struct stdio_dev **sdevp)
	159	{
	160	struct stdio_dev *sdev;
	161	struct udevice *dev;
	162	int seq, ret;
	163
	164	*sdevp = NULL;
	165	seq = trailing_strtoln(name, NULL);
	166	if (seq == -1)
d844efec SG	167	seq = 0;
	168	ret = uclass_get_device_by_seq(id, seq, &dev);
	169	if (ret == -ENODEV)
d8441ea2	170	ret = uclass_first_device_err(id, &dev);
d8441ea2 SG	171	if (ret) {
	172	debug("No %s device for seq %d (%s)\n", uclass_get_name(id),
	173	seq, name);
	174	return ret;
	175	}
	176	/* The device should be be the last one registered */
	177	sdev = list_empty(&devs.list) ? NULL :
	178	list_last_entry(&devs.list, struct stdio_dev, list);
	179	if (!sdev \|\| strcmp(sdev->name, name)) {
	180	debug("Device '%s' did not register with stdio as '%s'\n",
	181	dev->name, name);
	182	return -ENOENT;
	183	}
	184	*sdevp = sdev;
	185
	186	return 0;
	187	}
d8441ea2	188
ab29a34a	189	struct stdio_dev stdio_get_by_name(const char name)
c1de7a6d JCPV	190	{
c1de7a6d JCPV	191	struct list_head *pos;
d8441ea2	192	struct stdio_dev *sdev;
c1de7a6d	193
ab29a34a	194	if (!name)
c1de7a6d JCPV	195	return NULL;
c1de7a6d JCPV	196
18c587d0	197	list_for_each(pos, &devs.list) {
d8441ea2 SG	198	sdev = list_entry(pos, struct stdio_dev, list);
	199	if (strcmp(sdev->name, name) == 0)
	200	return sdev;
c1de7a6d	201	}
b86986c7	202	if (IS_ENABLED(CONFIG_VIDEO)) {
5d4b6b17 SG	203	/*
	204	* We did not find a suitable stdio device. If there is a video
	205	* driver with a name starting with 'vidconsole', we can try
	206	* probing that in the hope that it will produce the required
	207	* stdio device.
	208	*
	209	* This function is sometimes called with the entire value of
	210	* 'stdout', which may include a list of devices separate by
	211	* commas. Obviously this is not going to work, so we ignore
	212	* that case. The call path in that case is
3232487d	213	* console_init_r() -> console_search_dev() -> stdio_get_by_name()
5d4b6b17 SG	214	*/
	215	if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') &&
	216	!stdio_probe_device(name, UCLASS_VIDEO, &sdev))
	217	return sdev;
	218	}
c1de7a6d JCPV	219
	220	return NULL;
	221	}
	222
4225f2f5	223	struct stdio_dev stdio_clone(struct stdio_dev dev)
628ffd73	224	{
52cb4d4f	225	struct stdio_dev *_dev;
628ffd73	226
4225f2f5	227	if (!dev)
628ffd73 JCPV	228	return NULL;
628ffd73 JCPV	229
52cb4d4f	230	_dev = calloc(1, sizeof(struct stdio_dev));
4225f2f5	231	if (!_dev)
628ffd73 JCPV	232	return NULL;
628ffd73 JCPV	233
52cb4d4f	234	memcpy(_dev, dev, sizeof(struct stdio_dev));
628ffd73 JCPV	235
	236	return _dev;
	237	}
91d3256c	238
d97143a6	239	int stdio_register_dev(struct stdio_dev dev, struct stdio_dev *devp)
91d3256c	240	{
52cb4d4f	241	struct stdio_dev *_dev;
628ffd73	242
52cb4d4f	243	_dev = stdio_clone(dev);
4225f2f5	244	if (!_dev)
d97143a6	245	return -ENODEV;
18c587d0	246	list_add_tail(&_dev->list, &devs.list);
d97143a6 SG	247	if (devp)
	248	*devp = _dev;
	249
91d3256c WD	250	return 0;
	251	}
	252
d97143a6 SG	253	int stdio_register(struct stdio_dev *dev)
	254	{
	255	return stdio_register_dev(dev, NULL);
	256	}
	257
32d01926	258	int stdio_deregister_dev(struct stdio_dev *dev, int force)
91d3256c	259	{
c1de7a6d	260	struct list_head *pos;
6da11cc8	261	char temp_names[3][STDIO_NAME_LEN];
4225f2f5	262	int i;
91d3256c	263
91d3256c	264	/* get stdio devices (ListRemoveItem changes the dev list) */
4225f2f5 SG	265	for (i = 0 ; i < MAX_FILES; i++) {
4225f2f5 SG	266	if (stdio_devices[i] == dev) {
32d01926	267	if (force) {
4225f2f5	268	strcpy(temp_names[i], "nulldev");
32d01926 HG	269	continue;
32d01926 HG	270	}
91d3256c	271	/* Device is assigned -> report error */
4225f2f5	272	return -EBUSY;
91d3256c	273	}
6da11cc8 HS	274	strlcpy(&temp_names[i][0], stdio_devices[i]->name,
6da11cc8 HS	275	sizeof(temp_names[i]));
91d3256c	276	}
c1de7a6d	277
18c587d0	278	list_del(&dev->list);
88274b6c	279	free(dev);
c1de7a6d	280
4225f2f5	281	/* reassign device list */
18c587d0	282	list_for_each(pos, &devs.list) {
52cb4d4f	283	dev = list_entry(pos, struct stdio_dev, list);
4225f2f5 SG	284	for (i = 0 ; i < MAX_FILES; i++) {
	285	if (strcmp(dev->name, temp_names[i]) == 0)
	286	stdio_devices[i] = dev;
91d3256c WD	287	}
91d3256c WD	288	}
4225f2f5	289
91d3256c WD	290	return 0;
91d3256c WD	291	}
d97143a6	292
9fb02491	293	int stdio_init_tables(void)
91d3256c	294	{
91d3256c	295	/* Initialize the list */
18c587d0	296	INIT_LIST_HEAD(&devs.list);
91d3256c	297
9fb02491 SG	298	return 0;
	299	}
	300
	301	int stdio_add_devices(void)
	302	{
b206cd73	303	struct udevice *dev;
b206cd73 SG	304	int ret;
b206cd73 SG	305
5d4b6b17 SG	306	if (IS_ENABLED(CONFIG_DM_KEYBOARD)) {
	307	/*
	308	* For now we probe all the devices here. At some point this
	309	* should be done only when the devices are required - e.g. we
	310	* have a list of input devices to start up in the stdin
	311	* environment variable. That work probably makes more sense
	312	* when stdio itself is converted to driver model.
5d4b6b17	313	*/
5d4b6b17 SG	314
	315	/*
	316	* Don't report errors to the caller - assume that they are
	317	* non-fatal
	318	*/
7ff12631 MS	319	for (ret = uclass_first_device_check(UCLASS_KEYBOARD, &dev);
	320	dev;
	321	ret = uclass_next_device_check(&dev)) {
5d4b6b17	322	if (ret)
7ff12631 MS	323	printf("%s: Failed to probe keyboard '%s' (ret=%d)\n",
7ff12631 MS	324	__func__, dev->name, ret);
5d4b6b17	325	}
b206cd73	326	}
55dabcc8	327	#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
3f4978c7	328	i2c_init_all();
3f4978c7	329	#endif
b86986c7	330	if (IS_ENABLED(CONFIG_VIDEO)) {
5d4b6b17 SG	331	/*
	332	* If the console setting is not in environment variables then
	333	* console_init_r() will not be calling iomux_doenv() (which
3232487d	334	* calls console_search_dev()). So we will not dynamically add
5d4b6b17 SG	335	* devices by calling stdio_probe_device().
	336	*
	337	* So just probe all video devices now so that whichever one is
	338	* required will be available.
	339	*/
	340	struct udevice *vdev;
	341	int ret;
	342
	343	if (!IS_ENABLED(CONFIG_SYS_CONSOLE_IS_IN_ENV)) {
7ff12631 MS	344	for (ret = uclass_first_device_check(UCLASS_VIDEO,
	345	&vdev);
	346	vdev;
	347	ret = uclass_next_device_check(&vdev)) {
	348	if (ret)
	349	printf("%s: Failed to probe video device '%s' (ret=%d)\n",
	350	__func__, vdev->name, ret);
	351	}
5d4b6b17 SG	352	}
	353	if (IS_ENABLED(CONFIG_SPLASH_SCREEN) &&
	354	IS_ENABLED(CONFIG_CMD_BMP))
	355	splash_display();
5d4b6b17 SG	356	}
5d4b6b17 SG	357
5d4b6b17 SG	358	drv_system_init();
5d4b6b17 SG	359	serial_stdio_init();
232c150a	360	#ifdef CONFIG_USB_TTY
5d4b6b17	361	drv_usbtty_init();
fc2b399a LP	362	#endif
	363	#ifdef CONFIG_USB_FUNCTION_ACM
	364	drv_usbacm_init ();
68ceb29e	365	#endif
5d4b6b17 SG	366	if (IS_ENABLED(CONFIG_NETCONSOLE))
5d4b6b17 SG	367	drv_nc_init();
36ea8e9a	368	#ifdef CONFIG_JTAG_CONSOLE
5d4b6b17	369	drv_jtag_console_init();
98ab435f	370	#endif
5d4b6b17 SG	371	if (IS_ENABLED(CONFIG_CBMEM_CONSOLE))
5d4b6b17 SG	372	cbmemc_init();
9fb02491 SG	373
	374	return 0;
	375	}