mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-03 21:48:15 +00:00
a3774c1c3c
Add USB serial download protocol support to SPL. If the SoC started in recovery mode the SPL will immediately switch to SDP and wait for further downloads/commands from the host side. Signed-off-by: Stefan Agner <stefan.agner@toradex.com> Reviewed-by: Stefano Babic <sbabic@denx.de> Reviewed-by: Łukasz Majewski <lukma@denx.de>
38 lines
776 B
C
38 lines
776 B
C
/*
|
|
* (C) Copyright 2016 Toradex
|
|
* Author: Stefan Agner <stefan.agner@toradex.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <spl.h>
|
|
#include <usb.h>
|
|
#include <g_dnl.h>
|
|
#include <sdp.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static int spl_sdp_load_image(struct spl_image_info *spl_image,
|
|
struct spl_boot_device *bootdev)
|
|
{
|
|
int ret;
|
|
const int controller_index = 0;
|
|
|
|
g_dnl_clear_detach();
|
|
g_dnl_register("usb_dnl_sdp");
|
|
|
|
ret = sdp_init(controller_index);
|
|
if (ret) {
|
|
error("SDP init failed: %d", ret);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* This command typically does not return but jumps to an image */
|
|
sdp_handle(controller_index);
|
|
error("SDP ended");
|
|
|
|
return -EINVAL;
|
|
}
|
|
SPL_LOAD_IMAGE_METHOD("USB SDP", 0, BOOT_DEVICE_BOARD, spl_sdp_load_image);
|