Files
tzpuFusionX/software/linux/boot/common/cmd_usbd.c

184 lines
3.4 KiB
C
Executable File

/*
* Copyright 2008 - 2009 Windriver, <www.windriver.com>
* Author: Tom Rix <Tom.Rix@windriver.com>
*
* (C) Copyright 2014 Linaro, Ltd.
* Rob Herring <robh@kernel.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#ifdef CONFIG_CMD_FASTBOOT
#include <fastboot.h>
#include <g_dnl.h>
static int do_fastboot_udp(int argc, char *const argv[],
uintptr_t buf_addr, size_t buf_size)
{
#ifdef CONFIG_UDP_FUNCTION_FASTBOOT
int err = net_loop(FASTBOOT);
if (err < 0) {
printf("fastboot udp error: %d\n", err);
return CMD_RET_FAILURE;
}
return CMD_RET_SUCCESS;
#else
printf("ERR: Fastboot UDP not enabled\n");
return CMD_RET_FAILURE;
#endif
}
static int do_fastboot_usb(int argc, char *const argv[],
uintptr_t buf_addr, size_t buf_size)
{
#ifdef CONFIG_USB_FUNCTION_FASTBOOT
/*
int controller_index;
char *usb_controller;
char *endp;
*/
int ret;
if (argc < 2)
return CMD_RET_USAGE;
g_dnl_clear_detach();
ret = g_dnl_register("usb_dnl_fastboot");
if (ret)
return ret;
while (1) {
if (g_dnl_detach())
break;
if (ctrlc())
break;
usb_gadget_handle_interrupts();
}
g_dnl_unregister();
g_dnl_clear_detach();
return CMD_RET_SUCCESS;
#else
printf("ERR: Fastboot USB not enabled\n");
return CMD_RET_FAILURE;
#endif
}
static int do_fastboot(cmd_tbl_t *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 = simple_strtoul(*++argv, NULL, 16);
goto NXTARG;
case 's':
if (--argc <= 0)
return CMD_RET_USAGE;
buf_size = simple_strtoul(*++argv, NULL, 16);
goto NXTARG;
default:
return CMD_RET_USAGE;
}
}
NXTARG:
;
}
/* Handle case when USB controller param is just '-' */
if (argc == 1) {
printf("Error: Incorrect USB controller index\n");
return CMD_RET_USAGE;
}
#if defined(CONFIG_USB_FASTBOOT_BUF_SIZE) && defined(CONFIG_USB_FASTBOOT_BUF_ADDR)
fastboot_init((void *)CONFIG_USB_FASTBOOT_BUF_ADDR, CONFIG_USB_FASTBOOT_BUF_SIZE);
#else
fastboot_init((void *)buf_addr, buf_size);
#endif
if (!strcmp(argv[1], "udp"))
return do_fastboot_udp(argc, argv, buf_addr, buf_size);
if (!strcmp(argv[1], "usb")) {
argv++;
argc--;
}
return do_fastboot_usb(argc, argv, buf_addr, buf_size);
}
static char fastboot_help_text[] =
"[-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) ")"
;
U_BOOT_CMD(
fastboot, 10, 0, do_fastboot,
"use USB Fastboot protocol",
fastboot_help_text
);
#endif
#ifdef CONFIG_CMD_USBSTART
#include <net.h>
void cdc_loop(void)
{
net_init();
eth_halt();
eth_set_current();
if (eth_init(NULL) < 0)
{
eth_halt();
return;
}
while (!ctrlc())
{
eth_rx();
}
eth_halt();
}
static int do_usbstart(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
usb_eth_initialize(NULL);
cdc_loop();
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
usbstart, 1, 0, do_usbstart,
"Start USB Device",
"reset - reset USBD controller\n"
"start - start USBD controller\n"
);
#endif