static int splash_load_raw(struct splash_location *location, u32 bmp_load_addr)
{
struct bmp_header *bmp_hdr;
int res;
size_t bmp_size, bmp_header_size = sizeof(struct bmp_header);
if (bmp_load_addr + bmp_header_size >= gd->start_addr_sp)
goto splash_address_too_high;
res = splash_storage_read_raw(location, bmp_load_addr, bmp_header_size);
if (res < 0)
return res;
bmp_hdr = (struct bmp_header *)bmp_load_addr;
bmp_size = le32_to_cpu(bmp_hdr->file_size);
if (bmp_load_addr + bmp_size >= gd->start_addr_sp)
goto splash_address_too_high;
return splash_storage_read_raw(location, bmp_load_addr, bmp_size);
splash_address_too_high:
printf("Error: splashimage address too high. Data overwrites U-Boot and/or placed beyond DRAM boundaries.\n");
return -EFAULT;
}
static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr)
{
int res;
int node_offset;
int splash_offset;
int splash_size;
struct image_header *img_header;
const u32 *fit_header;
u32 fit_size;
const size_t header_size = sizeof(struct image_header);
/* Read in image header */
res = splash_storage_read_raw(location, bmp_load_addr, header_size);
if (res < 0)
return res;
img_header = (struct image_header *)bmp_load_addr;
fit_size = fdt_totalsize(img_header);
/* Read in entire FIT */
fit_header = (const u32 *)(bmp_load_addr + header_size);
res = splash_storage_read_raw(location, (u32)fit_header, fit_size);
if (res < 0)
return res;
res = fit_check_format(fit_header);
if (!res) {
debug("Could not find valid FIT image\n");
return -EINVAL;
}
node_offset = fit_image_get_node(fit_header, location->name);
if (node_offset < 0) {
debug("Could not find splash image '%s' in FIT\n",
location->name);
return -ENOENT;
}
res = fit_image_get_data_offset(fit_header, node_offset,
&splash_offset);
if (res < 0) {
printf("Failed to load splash image (err=%d)\n", res);
return res;
}
res = fit_image_get_data_size(fit_header, node_offset, &splash_size);
if (res < 0) {
printf("Failed to load splash image (err=%d)\n", res);
return res;
}
/* Align data offset to 4-byte boundrary */
fit_size = fdt_totalsize(fit_header);
fit_size = (fit_size + 3) & ~3;
/* Read in the splash data */
location->offset = (location->offset + fit_size + splash_offset);
res = splash_storage_read_raw(location, bmp_load_addr , splash_size);
if (res < 0)
return res;
return 0;
}
