1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2008 - 2009 Windriver, <www.windriver.com>
3*4882a593Smuzhiyun * Author: Tom Rix <Tom.Rix@windriver.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * (C) Copyright 2014 Linaro, Ltd.
6*4882a593Smuzhiyun * Rob Herring <robh@kernel.org>
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun #include <command.h>
12*4882a593Smuzhiyun #include <console.h>
13*4882a593Smuzhiyun #include <g_dnl.h>
14*4882a593Smuzhiyun #include <net.h>
15*4882a593Smuzhiyun #include <usb.h>
16*4882a593Smuzhiyun #include <sysmem.h>
17*4882a593Smuzhiyun
do_fastboot(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])18*4882a593Smuzhiyun static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun #ifdef CONFIG_USB_FUNCTION_FASTBOOT
21*4882a593Smuzhiyun int controller_index;
22*4882a593Smuzhiyun char *usb_controller;
23*4882a593Smuzhiyun int ret;
24*4882a593Smuzhiyun #endif
25*4882a593Smuzhiyun if (argc < 2)
26*4882a593Smuzhiyun return CMD_RET_USAGE;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun printf("Enter fastboot...");
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun if (!strcmp(argv[1], "udp")) {
31*4882a593Smuzhiyun #ifndef CONFIG_UDP_FUNCTION_FASTBOOT
32*4882a593Smuzhiyun pr_err("Fastboot UDP not enabled\n");
33*4882a593Smuzhiyun return -1;
34*4882a593Smuzhiyun #else
35*4882a593Smuzhiyun return do_fastboot_udp(cmdtp, flag, argc, argv);
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun if (strcmp(argv[1], "usb") || argc < 3)
40*4882a593Smuzhiyun return CMD_RET_USAGE;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #ifndef CONFIG_USB_FUNCTION_FASTBOOT
43*4882a593Smuzhiyun pr_err("Fastboot USB not enabled\n");
44*4882a593Smuzhiyun return -1;
45*4882a593Smuzhiyun #else
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun usb_controller = argv[2];
48*4882a593Smuzhiyun controller_index = simple_strtoul(usb_controller, NULL, 0);
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun ret = usb_gadget_initialize(controller_index);
51*4882a593Smuzhiyun if (ret) {
52*4882a593Smuzhiyun pr_err("USB init failed: %d", ret);
53*4882a593Smuzhiyun return CMD_RET_FAILURE;
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun g_dnl_clear_detach();
57*4882a593Smuzhiyun ret = g_dnl_register("usb_dnl_fastboot");
58*4882a593Smuzhiyun if (ret)
59*4882a593Smuzhiyun return ret;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun if (!g_dnl_board_usb_cable_connected()) {
62*4882a593Smuzhiyun puts("\rUSB cable not detected.\n" \
63*4882a593Smuzhiyun "Command exit.\n");
64*4882a593Smuzhiyun ret = CMD_RET_FAILURE;
65*4882a593Smuzhiyun goto exit;
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun if (!sysmem_alloc_base(MEM_FASTBOOT,
69*4882a593Smuzhiyun CONFIG_FASTBOOT_BUF_ADDR,
70*4882a593Smuzhiyun CONFIG_FASTBOOT_BUF_SIZE)) {
71*4882a593Smuzhiyun printf("The fastboot memory space is unusable!\n");
72*4882a593Smuzhiyun return CMD_RET_FAILURE;
73*4882a593Smuzhiyun }
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun printf("OK\n");
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun while (1) {
78*4882a593Smuzhiyun if (g_dnl_detach())
79*4882a593Smuzhiyun break;
80*4882a593Smuzhiyun if (ctrlc())
81*4882a593Smuzhiyun break;
82*4882a593Smuzhiyun usb_gadget_handle_interrupts(controller_index);
83*4882a593Smuzhiyun }
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun ret = CMD_RET_SUCCESS;
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun exit:
88*4882a593Smuzhiyun sysmem_free(CONFIG_FASTBOOT_BUF_ADDR);
89*4882a593Smuzhiyun g_dnl_unregister();
90*4882a593Smuzhiyun g_dnl_clear_detach();
91*4882a593Smuzhiyun usb_gadget_release(controller_index);
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun return ret;
94*4882a593Smuzhiyun #endif
95*4882a593Smuzhiyun }
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun U_BOOT_CMD(
98*4882a593Smuzhiyun fastboot, 3, 1, do_fastboot,
99*4882a593Smuzhiyun "use USB or UDP Fastboot protocol",
100*4882a593Smuzhiyun "[usb,udp] <USB_controller>\n"
101*4882a593Smuzhiyun " - run as a fastboot usb or udp device\n"
102*4882a593Smuzhiyun " usb: specify <USB_controller>\n"
103*4882a593Smuzhiyun " udp: requires ip_addr set and ethernet initialized\n"
104*4882a593Smuzhiyun );
105