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>master
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/*
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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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