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cmd: add sdp command

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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>
This commit is contained in:
Stefan Agner 2017-08-16 11:00:53 -07:00 • committed by Stefano Babic
parent ccd7a4d2f4
commit 2f005695df
3 changed files with 58 additions and 0 deletions
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7
cmd/Kconfig
View file

@ -895,6 +895,13 @@ config CMD_USB
help help
USB support. USB support.
config CMD_USB_SDP
bool "sdp"
select USB_FUNCTION_SDP
help
Enables the command "sdp" which is used to have U-Boot emulating the
Serial Download Protocol (SDP) via USB.
config CMD_USB_MASS_STORAGE config CMD_USB_MASS_STORAGE
bool "UMS usb mass storage" bool "UMS usb mass storage"
help help

1
cmd/Makefile
View file

@ -132,6 +132,7 @@ obj-$(CONFIG_CMD_FASTBOOT) += fastboot.o
obj-$(CONFIG_CMD_FS_UUID) += fs_uuid.o obj-$(CONFIG_CMD_FS_UUID) += fs_uuid.o
obj-$(CONFIG_CMD_USB_MASS_STORAGE) += usb_mass_storage.o obj-$(CONFIG_CMD_USB_MASS_STORAGE) += usb_mass_storage.o
obj-$(CONFIG_CMD_USB_SDP) += usb_gadget_sdp.o
obj-$(CONFIG_CMD_THOR_DOWNLOAD) += thordown.o obj-$(CONFIG_CMD_THOR_DOWNLOAD) += thordown.o
obj-$(CONFIG_CMD_XIMG) += ximg.o obj-$(CONFIG_CMD_XIMG) += ximg.o
obj-$(CONFIG_CMD_YAFFS2) += yaffs2.o obj-$(CONFIG_CMD_YAFFS2) += yaffs2.o

50
cmd/usb_gadget_sdp.c Normal file
View file

@ -0,0 +1,50 @@
/*
* 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"
);