1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright (C) 2017 Eddie Cai <eddie.cai.linux@gmail.com> 4 */ 5 6#include <common.h> 7#include <command.h> 8#include <console.h> 9#include <g_dnl.h> 10#include <usb.h> 11#include <asm/arch-rockchip/f_rockusb.h> 12 13static int do_rockusb(struct cmd_tbl *cmdtp, int flag, int argc, 14 char *const argv[]) 15{ 16 int controller_index, dev_index; 17 char *usb_controller; 18 struct udevice *udc; 19 char *devtype; 20 char *devnum; 21 int ret; 22 23 if (argc < 2) 24 return CMD_RET_USAGE; 25 26 usb_controller = argv[1]; 27 controller_index = simple_strtoul(usb_controller, NULL, 0); 28 29 if (argc >= 4) { 30 devtype = argv[2]; 31 devnum = argv[3]; 32 } else { 33 return CMD_RET_USAGE; 34 } 35 dev_index = simple_strtoul(devnum, NULL, 0); 36 rockusb_dev_init(devtype, dev_index); 37 38 ret = udc_device_get_by_index(controller_index, &udc); 39 if (ret) { 40 printf("USB init failed: %d\n", ret); 41 return CMD_RET_FAILURE; 42 } 43 44 g_dnl_clear_detach(); 45 ret = g_dnl_register("usb_dnl_rockusb"); 46 if (ret) 47 return CMD_RET_FAILURE; 48 49 if (!g_dnl_board_usb_cable_connected()) { 50 puts("\rUSB cable not detected, Command exit.\n"); 51 ret = CMD_RET_FAILURE; 52 goto exit; 53 } 54 55 while (1) { 56 if (g_dnl_detach()) 57 break; 58 if (ctrlc()) 59 break; 60 dm_usb_gadget_handle_interrupts(udc); 61 } 62 ret = CMD_RET_SUCCESS; 63 64exit: 65 g_dnl_unregister(); 66 g_dnl_clear_detach(); 67 udc_device_put(udc); 68 69 return ret; 70} 71 72U_BOOT_CMD(rockusb, 4, 1, do_rockusb, 73 "use the rockusb protocol", 74 "<USB_controller> <devtype> <dev[:part]> e.g. rockusb 0 mmc 0\n" 75); 76