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/f_rockusb.h>
12
do_rockusb(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])13 static int do_rockusb(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
14 {
15 int controller_index, dev_index;
16 char *usb_controller;
17 char *devtype;
18 char *devnum;
19 int ret;
20
21 if (argc < 2)
22 return CMD_RET_USAGE;
23
24 usb_controller = argv[1];
25 controller_index = simple_strtoul(usb_controller, NULL, 0);
26
27 if (argc >= 4) {
28 devtype = argv[2];
29 devnum = argv[3];
30 } else {
31 return CMD_RET_USAGE;
32 }
33 dev_index = simple_strtoul(devnum, NULL, 0);
34 rockusb_dev_init(devtype, dev_index);
35
36 ret = usb_gadget_initialize(controller_index);
37 if (ret) {
38 printf("USB init failed: %d\n", ret);
39 return CMD_RET_FAILURE;
40 }
41
42 g_dnl_clear_detach();
43 ret = g_dnl_register("usb_dnl_rockusb");
44 if (ret)
45 return CMD_RET_FAILURE;
46
47 if (!g_dnl_board_usb_cable_connected()) {
48 puts("\rUSB cable not detected, Command exit.\n");
49 ret = CMD_RET_FAILURE;
50 goto exit;
51 }
52
53 while (1) {
54 if (g_dnl_detach())
55 break;
56 if (ctrlc())
57 break;
58 usb_gadget_handle_interrupts(controller_index);
59 }
60 ret = CMD_RET_SUCCESS;
61
62 exit:
63 g_dnl_unregister();
64 g_dnl_clear_detach();
65 usb_gadget_release(controller_index);
66
67 return ret;
68 }
69
70 U_BOOT_CMD(rockusb, 4, 1, do_rockusb,
71 "use the rockusb protocol",
72 "<USB_controller> <devtype> <dev[:part]> e.g. rockusb 0 mmc 0\n"
73 );
74