1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2008 - 2009 Windriver, <www.windriver.com>
4 * Author: Tom Rix <Tom.Rix@windriver.com>
6 * (C) Copyright 2014 Linaro, Ltd.
7 * Rob Herring <robh@kernel.org>
17 #include <linux/stringify.h>
19 static int do_fastboot_udp(int argc, char *const argv[],
20 uintptr_t buf_addr, size_t buf_size)
24 if (!IS_ENABLED(CONFIG_UDP_FUNCTION_FASTBOOT)) {
25 pr_err("Fastboot UDP not enabled\n");
26 return CMD_RET_FAILURE;
29 err = net_loop(FASTBOOT_UDP);
32 printf("fastboot udp error: %d\n", err);
33 return CMD_RET_FAILURE;
36 return CMD_RET_SUCCESS;
39 static int do_fastboot_tcp(int argc, char *const argv[],
40 uintptr_t buf_addr, size_t buf_size)
44 if (!IS_ENABLED(CONFIG_TCP_FUNCTION_FASTBOOT)) {
45 pr_err("Fastboot TCP not enabled\n");
46 return CMD_RET_FAILURE;
49 err = net_loop(FASTBOOT_TCP);
52 printf("fastboot tcp error: %d\n", err);
53 return CMD_RET_FAILURE;
56 return CMD_RET_SUCCESS;
59 static int do_fastboot_usb(int argc, char *const argv[],
60 uintptr_t buf_addr, size_t buf_size)
67 if (!IS_ENABLED(CONFIG_USB_FUNCTION_FASTBOOT)) {
68 pr_err("Fastboot USB not enabled\n");
69 return CMD_RET_FAILURE;
75 usb_controller = argv[1];
76 controller_index = simple_strtoul(usb_controller, &endp, 0);
78 pr_err("Error: Wrong USB controller index format\n");
79 return CMD_RET_FAILURE;
82 ret = usb_gadget_initialize(controller_index);
84 pr_err("USB init failed: %d\n", ret);
85 return CMD_RET_FAILURE;
89 ret = g_dnl_register("usb_dnl_fastboot");
93 if (!g_dnl_board_usb_cable_connected()) {
94 puts("\rUSB cable not detected.\n" \
96 ret = CMD_RET_FAILURE;
106 usb_gadget_handle_interrupts(controller_index);
109 ret = CMD_RET_SUCCESS;
112 usb_gadget_release(controller_index);
114 g_dnl_clear_detach();
119 static int do_fastboot(struct cmd_tbl *cmdtp, int flag, int argc,
122 uintptr_t buf_addr = (uintptr_t)NULL;
126 return CMD_RET_USAGE;
128 while (argc > 1 && **(argv + 1) == '-') {
136 return CMD_RET_USAGE;
137 buf_addr = hextoul(*++argv, NULL);
142 return CMD_RET_USAGE;
143 buf_size = hextoul(*++argv, NULL);
147 return CMD_RET_USAGE;
154 /* Handle case when USB controller param is just '-' */
156 pr_err("Error: Incorrect USB controller index\n");
157 return CMD_RET_USAGE;
160 fastboot_init((void *)buf_addr, buf_size);
162 if (!strcmp(argv[1], "udp"))
163 return do_fastboot_udp(argc, argv, buf_addr, buf_size);
164 if (!strcmp(argv[1], "tcp"))
165 return do_fastboot_tcp(argc, argv, buf_addr, buf_size);
166 if (!strcmp(argv[1], "usb")) {
171 return do_fastboot_usb(argc, argv, buf_addr, buf_size);
175 fastboot, CONFIG_SYS_MAXARGS, 1, do_fastboot,
176 "run as a fastboot usb or udp device",
177 "[-l addr] [-s size] usb <controller> | udp\n"
178 "\taddr - address of buffer used during data transfers ("
179 __stringify(CONFIG_FASTBOOT_BUF_ADDR) ")\n"
180 "\tsize - size of buffer used during data transfers ("
181 __stringify(CONFIG_FASTBOOT_BUF_SIZE) ")"