mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-26 04:53:42 +00:00
2f005695df
Add a new command to start USB Serial Download Protocol (SDP) state machine. Signed-off-by: Stefan Agner <stefan.agner@toradex.com> Reviewed-by: Łukasz Majewski <lukma@denx.de> Reviewed-by: Stefano Babic <sbabic@denx.de>
50 lines
1 KiB
C
50 lines
1 KiB
C
/*
|
|
* cmd_sdp.c -- sdp command
|
|
*
|
|
* Copyright (C) 2016 Toradex
|
|
* Author: Stefan Agner <stefan.agner@toradex.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <g_dnl.h>
|
|
#include <sdp.h>
|
|
#include <usb.h>
|
|
|
|
static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int ret = CMD_RET_FAILURE;
|
|
|
|
if (argc < 2)
|
|
return CMD_RET_USAGE;
|
|
|
|
char *usb_controller = argv[1];
|
|
int controller_index = simple_strtoul(usb_controller, NULL, 0);
|
|
board_usb_init(controller_index, USB_INIT_DEVICE);
|
|
|
|
g_dnl_clear_detach();
|
|
g_dnl_register("usb_dnl_sdp");
|
|
|
|
ret = sdp_init(controller_index);
|
|
if (ret) {
|
|
error("SDP init failed: %d", ret);
|
|
goto exit;
|
|
}
|
|
|
|
/* This command typically does not return but jumps to an image */
|
|
sdp_handle(controller_index);
|
|
error("SDP ended");
|
|
|
|
exit:
|
|
g_dnl_unregister();
|
|
board_usb_cleanup(controller_index, USB_INIT_DEVICE);
|
|
|
|
return ret;
|
|
}
|
|
|
|
U_BOOT_CMD(sdp, 2, 1, do_sdp,
|
|
"Serial Downloader Protocol",
|
|
"<USB_controller>\n"
|
|
" - serial downloader protocol via <USB_controller>\n"
|
|
);
|