mirror of
https://github.com/AsahiLinux/u-boot
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2d50d68a4c
This commit adds initial support for using tftp for downloading and upgrading firmware on the device. Signed-off-by: Lukasz Majewski <l.majewski@majess.pl> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
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* (C) Copyright 2015
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* Lukasz Majewski <l.majewski@majess.pl>
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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 <malloc.h>
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#include <errno.h>
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#include <dfu.h>
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int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, unsigned int len,
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char *interface, char *devstring)
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{
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char *s, *sb;
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int alt_setting_num, ret;
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struct dfu_entity *dfu;
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debug("%s: name: %s addr: 0x%x len: %d device: %s:%s\n", __func__,
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dfu_entity_name, addr, len, interface, devstring);
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ret = dfu_init_env_entities(interface, devstring);
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if (ret)
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goto done;
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/*
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* We need to copy name pointed by *dfu_entity_name since this text
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* is the integral part of the FDT image.
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* Any implicit modification (i.e. done by strsep()) will corrupt
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* the FDT image and prevent other images to be stored.
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*/
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s = strdup(dfu_entity_name);
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sb = s;
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if (!s) {
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ret = -ENOMEM;
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goto done;
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}
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strsep(&s, "@");
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debug("%s: image name: %s strlen: %d\n", __func__, sb, strlen(sb));
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alt_setting_num = dfu_get_alt(sb);
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free(sb);
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if (alt_setting_num < 0) {
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error("Alt setting [%d] to write not found!",
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alt_setting_num);
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ret = -ENODEV;
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goto done;
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}
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dfu = dfu_get_entity(alt_setting_num);
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if (!dfu) {
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error("DFU entity for alt: %d not found!", alt_setting_num);
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ret = -ENODEV;
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goto done;
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}
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ret = dfu_write_from_mem_addr(dfu, (void *)addr, len);
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done:
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dfu_free_entities();
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return ret;
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}
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