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

/*
 * Copyright (C) 2011 Samsung Electronics
 * Lukasz Majewski <[email protected]>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <command.h>
#include <g_dnl.h>
#include <usb_mass_storage.h>

int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
			       int argc, char * const argv[])
{
	char *ep;
	unsigned int dev_num = 0, offset = 0, part_size = 0;
	int rc;

	struct ums_board_info *ums_info;
	static char *s = "ums";

	if (argc < 2) {
		printf("usage: ums <dev> - e.g. ums 0\n");
		return 0;
	}

	dev_num = (int)simple_strtoul(argv[1], &ep, 16);

	if (dev_num) {
		puts("\nSet eMMC device to 0! - e.g. ums 0\n");
		goto fail;
	}

	board_usb_init();
	ums_info = board_ums_init(dev_num, offset, part_size);

	if (!ums_info) {
		printf("MMC: %d -> NOT available\n", dev_num);
		goto fail;
	}
	rc = fsg_init(ums_info);
	if (rc) {
		printf("cmd ums: fsg_init failed\n");
		goto fail;
	}

	g_dnl_register(s);

	while (1) {
		/* Handle control-c and timeouts */
		if (ctrlc()) {
			printf("The remote end did not respond in time.\n");
			goto exit;
		}
		usb_gadget_handle_interrupts();
		/* Check if USB cable has been detached */
		if (fsg_main_thread(NULL) == EIO)
			goto exit;
	}
exit:
	g_dnl_unregister();
	return 0;

fail:
	return -1;
}

U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage,
	"Use the UMS [User Mass Storage]",
	"ums - User Mass Storage Gadget"
);
Commit	Line	Data
b528f713 ŁM	1	/*
	2	* Copyright (C) 2011 Samsung Electronics
	3	* Lukasz Majewski <[email protected]>
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
b528f713 ŁM	6	*/
b528f713 ŁM	7
b528f713 ŁM	8	#include <common.h>
	9	#include <command.h>
	10	#include <g_dnl.h>
	11	#include <usb_mass_storage.h>
	12
	13	int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
	14	int argc, char * const argv[])
	15	{
	16	char *ep;
	17	unsigned int dev_num = 0, offset = 0, part_size = 0;
	18	int rc;
	19
	20	struct ums_board_info *ums_info;
	21	static char *s = "ums";
	22
	23	if (argc < 2) {
	24	printf("usage: ums <dev> - e.g. ums 0\n");
	25	return 0;
	26	}
	27
	28	dev_num = (int)simple_strtoul(argv[1], &ep, 16);
	29
	30	if (dev_num) {
	31	puts("\nSet eMMC device to 0! - e.g. ums 0\n");
	32	goto fail;
	33	}
	34
	35	board_usb_init();
	36	ums_info = board_ums_init(dev_num, offset, part_size);
	37
	38	if (!ums_info) {
	39	printf("MMC: %d -> NOT available\n", dev_num);
	40	goto fail;
	41	}
	42	rc = fsg_init(ums_info);
	43	if (rc) {
	44	printf("cmd ums: fsg_init failed\n");
	45	goto fail;
	46	}
	47
	48	g_dnl_register(s);
	49
	50	while (1) {
	51	/* Handle control-c and timeouts */
	52	if (ctrlc()) {
	53	printf("The remote end did not respond in time.\n");
	54	goto exit;
	55	}
	56	usb_gadget_handle_interrupts();
	57	/* Check if USB cable has been detached */
	58	if (fsg_main_thread(NULL) == EIO)
	59	goto exit;
	60	}
	61	exit:
	62	g_dnl_unregister();
	63	return 0;
	64
	65	fail:
	66	return -1;
	67	}
	68
	69	U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage,
	70	"Use the UMS [User Mass Storage]",
	71	"ums - User Mass Storage Gadget"
72	);