u-boot/boot/boot_fit.c
Michal Simek 1be82afa80 global: Use proper project name U-Boot
Use proper project name in comments, Kconfig, readmes.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/0dbdf0432405c1c38ffca55703b6737a48219e79.1684307818.git.michal.simek@amd.com
2023-06-12 13:24:31 +02:00

80 lines
1.6 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2017
* Texas Instruments, <www.ti.com>
*
* Franklin S Cooper Jr. <fcooper@ti.com>
*/
#include <boot_fit.h>
#include <common.h>
#include <errno.h>
#include <image.h>
#include <log.h>
#include <linux/libfdt.h>
static int fdt_offset(const void *fit)
{
int images, node, fdt_len, fdt_node, fdt_offset;
const char *fdt_name;
node = fit_find_config_node(fit);
if (node < 0)
return node;
images = fdt_path_offset(fit, FIT_IMAGES_PATH);
if (images < 0) {
debug("%s: Cannot find /images node: %d\n", __func__, images);
return -EINVAL;
}
fdt_name = fdt_getprop(fit, node, FIT_FDT_PROP, &fdt_len);
if (!fdt_name) {
debug("%s: Cannot find fdt name property: %d\n",
__func__, fdt_len);
return -EINVAL;
}
fdt_node = fdt_subnode_offset(fit, images, fdt_name);
if (fdt_node < 0) {
debug("%s: Cannot find fdt node '%s': %d\n",
__func__, fdt_name, fdt_node);
return -EINVAL;
}
fdt_offset = fdt_getprop_u32(fit, fdt_node, "data-offset");
if (fdt_offset == FDT_ERROR)
return -ENOENT;
fdt_len = fdt_getprop_u32(fit, fdt_node, "data-size");
if (fdt_len < 0)
return fdt_len;
return fdt_offset;
}
void *locate_dtb_in_fit(const void *fit)
{
struct legacy_img_hdr *header;
int size;
int ret;
size = fdt_totalsize(fit);
size = (size + 3) & ~3;
header = (struct legacy_img_hdr *)fit;
if (image_get_magic(header) != FDT_MAGIC) {
debug("No FIT image appended to U-Boot\n");
return NULL;
}
ret = fdt_offset(fit);
if (ret < 0)
return NULL;
else
return (void *)fit+size+ret;
}