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https://github.com/AsahiLinux/u-boot
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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
/*
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* cmd_sdp.c -- sdp command
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*
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* Copyright (C) 2016 Toradex
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* Author: Stefan Agner <stefan.agner@toradex.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <g_dnl.h>
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#include <sdp.h>
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#include <usb.h>
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static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int ret = CMD_RET_FAILURE;
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if (argc < 2)
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return CMD_RET_USAGE;
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char *usb_controller = argv[1];
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int controller_index = simple_strtoul(usb_controller, NULL, 0);
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board_usb_init(controller_index, USB_INIT_DEVICE);
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g_dnl_clear_detach();
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g_dnl_register("usb_dnl_sdp");
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ret = sdp_init(controller_index);
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if (ret) {
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error("SDP init failed: %d", ret);
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goto exit;
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}
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/* This command typically does not return but jumps to an image */
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sdp_handle(controller_index);
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error("SDP ended");
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exit:
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g_dnl_unregister();
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board_usb_cleanup(controller_index, USB_INIT_DEVICE);
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return ret;
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}
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U_BOOT_CMD(sdp, 2, 1, do_sdp,
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"Serial Downloader Protocol",
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"<USB_controller>\n"
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" - serial downloader protocol via <USB_controller>\n"
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);
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