blob: e5b35bfd5f71e982ae3c292fcd24add306a1df89 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
* (C) Copyright 2015
* Lukasz Majewski <>
#include <common.h>
#include <malloc.h>
#include <errno.h>
#include <dfu.h>
int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, unsigned int len,
char *interface, char *devstring)
char *s, *sb;
int alt_setting_num, ret;
struct dfu_entity *dfu;
debug("%s: name: %s addr: 0x%x len: %d device: %s:%s\n", __func__,
dfu_entity_name, addr, len, interface, devstring);
ret = dfu_init_env_entities(interface, devstring);
if (ret)
goto done;
* We need to copy name pointed by *dfu_entity_name since this text
* is the integral part of the FDT image.
* Any implicit modification (i.e. done by strsep()) will corrupt
* the FDT image and prevent other images to be stored.
s = strdup(dfu_entity_name);
sb = s;
if (!s) {
ret = -ENOMEM;
goto done;
strsep(&s, "@");
debug("%s: image name: %s strlen: %zd\n", __func__, sb, strlen(sb));
alt_setting_num = dfu_get_alt(sb);
if (alt_setting_num < 0) {
pr_err("Alt setting [%d] to write not found!",
ret = -ENODEV;
goto done;
dfu = dfu_get_entity(alt_setting_num);
if (!dfu) {
pr_err("DFU entity for alt: %d not found!", alt_setting_num);
ret = -ENODEV;
goto done;
ret = dfu_write_from_mem_addr(dfu, (void *)(uintptr_t)addr, len);
return ret;