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