u-boot/cmd/fastboot.c
Dmitrii Merkurev 443d319180 net: add fastboot TCP support
Known limitations are
1. fastboot reboot doesn't work (answering OK but not rebooting)
2. flashing isn't supported (TCP transport only limitation)

The command syntax is
fastboot tcp

Signed-off-by: Dmitrii Merkurev <dimorinny@google.com>
Cc: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Cc: Simon Glass <sjg@chromium.org>
Сс: Joe Hershberger <joe.hershberger@ni.com>
Сс: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2023-05-05 17:48:44 -04:00

182 lines
3.7 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2008 - 2009 Windriver, <www.windriver.com>
* Author: Tom Rix <Tom.Rix@windriver.com>
*
* (C) Copyright 2014 Linaro, Ltd.
* Rob Herring <robh@kernel.org>
*/
#include <common.h>
#include <command.h>
#include <console.h>
#include <g_dnl.h>
#include <fastboot.h>
#include <net.h>
#include <usb.h>
#include <watchdog.h>
#include <linux/stringify.h>
static int do_fastboot_udp(int argc, char *const argv[],
uintptr_t buf_addr, size_t buf_size)
{
int err;
if (!IS_ENABLED(CONFIG_UDP_FUNCTION_FASTBOOT)) {
pr_err("Fastboot UDP not enabled\n");
return CMD_RET_FAILURE;
}
err = net_loop(FASTBOOT_UDP);
if (err < 0) {
printf("fastboot udp error: %d\n", err);
return CMD_RET_FAILURE;
}
return CMD_RET_SUCCESS;
}
static int do_fastboot_tcp(int argc, char *const argv[],
uintptr_t buf_addr, size_t buf_size)
{
int err;
if (!IS_ENABLED(CONFIG_TCP_FUNCTION_FASTBOOT)) {
pr_err("Fastboot TCP not enabled\n");
return CMD_RET_FAILURE;
}
err = net_loop(FASTBOOT_TCP);
if (err < 0) {
printf("fastboot tcp error: %d\n", err);
return CMD_RET_FAILURE;
}
return CMD_RET_SUCCESS;
}
static int do_fastboot_usb(int argc, char *const argv[],
uintptr_t buf_addr, size_t buf_size)
{
int controller_index;
char *usb_controller;
char *endp;
int ret;
if (!IS_ENABLED(CONFIG_USB_FUNCTION_FASTBOOT)) {
pr_err("Fastboot USB not enabled\n");
return CMD_RET_FAILURE;
}
if (argc < 2)
return CMD_RET_USAGE;
usb_controller = argv[1];
controller_index = simple_strtoul(usb_controller, &endp, 0);
if (*endp != '\0') {
pr_err("Error: Wrong USB controller index format\n");
return CMD_RET_FAILURE;
}
ret = usb_gadget_initialize(controller_index);
if (ret) {
pr_err("USB init failed: %d\n", ret);
return CMD_RET_FAILURE;
}
g_dnl_clear_detach();
ret = g_dnl_register("usb_dnl_fastboot");
if (ret)
return ret;
if (!g_dnl_board_usb_cable_connected()) {
puts("\rUSB cable not detected.\n" \
"Command exit.\n");
ret = CMD_RET_FAILURE;
goto exit;
}
while (1) {
if (g_dnl_detach())
break;
if (ctrlc())
break;
schedule();
usb_gadget_handle_interrupts(controller_index);
}
ret = CMD_RET_SUCCESS;
exit:
usb_gadget_release(controller_index);
g_dnl_unregister();
g_dnl_clear_detach();
return ret;
}
static int do_fastboot(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
uintptr_t buf_addr = (uintptr_t)NULL;
size_t buf_size = 0;
if (argc < 2)
return CMD_RET_USAGE;
while (argc > 1 && **(argv + 1) == '-') {
char *arg = *++argv;
--argc;
while (*++arg) {
switch (*arg) {
case 'l':
if (--argc <= 0)
return CMD_RET_USAGE;
buf_addr = hextoul(*++argv, NULL);
goto NXTARG;
case 's':
if (--argc <= 0)
return CMD_RET_USAGE;
buf_size = hextoul(*++argv, NULL);
goto NXTARG;
default:
return CMD_RET_USAGE;
}
}
NXTARG:
;
}
/* Handle case when USB controller param is just '-' */
if (argc == 1) {
pr_err("Error: Incorrect USB controller index\n");
return CMD_RET_USAGE;
}
fastboot_init((void *)buf_addr, buf_size);
if (!strcmp(argv[1], "udp"))
return do_fastboot_udp(argc, argv, buf_addr, buf_size);
if (!strcmp(argv[1], "tcp"))
return do_fastboot_tcp(argc, argv, buf_addr, buf_size);
if (!strcmp(argv[1], "usb")) {
argv++;
argc--;
}
return do_fastboot_usb(argc, argv, buf_addr, buf_size);
}
U_BOOT_CMD(
fastboot, CONFIG_SYS_MAXARGS, 1, do_fastboot,
"run as a fastboot usb or udp device",
"[-l addr] [-s size] usb <controller> | udp\n"
"\taddr - address of buffer used during data transfers ("
__stringify(CONFIG_FASTBOOT_BUF_ADDR) ")\n"
"\tsize - size of buffer used during data transfers ("
__stringify(CONFIG_FASTBOOT_BUF_SIZE) ")"
);