rockusb.c
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/*
* Copyright (C) 2017 Eddie Cai <eddie.cai.linux@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <console.h>
#include <g_dnl.h>
#include <usb.h>
#include <asm/arch/f_rockusb.h>
static int do_rockusb(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int controller_index, dev_index;
char *usb_controller;
char *devtype;
char *devnum;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
usb_controller = argv[1];
controller_index = simple_strtoul(usb_controller, NULL, 0);
if (argc >= 4) {
devtype = argv[2];
devnum = argv[3];
} else {
return CMD_RET_USAGE;
}
dev_index = simple_strtoul(devnum, NULL, 0);
rockusb_dev_init(devtype, dev_index);
ret = board_usb_init(controller_index, USB_INIT_DEVICE);
if (ret) {
printf("USB init failed: %d\n", ret);
return CMD_RET_FAILURE;
}
g_dnl_clear_detach();
ret = g_dnl_register("usb_dnl_rockusb");
if (ret)
return CMD_RET_FAILURE;
if (!g_dnl_board_usb_cable_connected()) {
puts("\rUSB cable not detected, Command exit.\n");
ret = CMD_RET_FAILURE;
goto exit;
}
while (1) {
if (g_dnl_detach())
break;
if (ctrlc())
break;
usb_gadget_handle_interrupts(controller_index);
}
ret = CMD_RET_SUCCESS;
exit:
g_dnl_unregister();
g_dnl_clear_detach();
board_usb_cleanup(controller_index, USB_INIT_DEVICE);
return ret;
}
U_BOOT_CMD(rockusb, 4, 1, do_rockusb,
"use the rockusb protocol",
"<USB_controller> <devtype> <dev[:part]> e.g. rockusb 0 mmc 0\n"
);