int mrccache_save(void)
{
struct mrc_data_container *data;
struct mrc_region entry;
struct udevice *sf;
int ret;
if (!gd->arch.mrc_output_len)
return 0;
debug("Saving %d bytes of MRC output data to SPI flash\n",
gd->arch.mrc_output_len);
ret = mrccache_get_region(&sf, &entry);
if (ret)
goto err_entry;
data = (struct mrc_data_container *)gd->arch.mrc_output;
ret = mrccache_update(sf, &entry, data);
if (!ret)
debug("Saved MRC data with checksum %04x\n", data->checksum);
err_entry:
if (ret)
debug("%s: Failed: %d\n", __func__, ret);
return ret;
}
static __maybe_unused void *fsp_prepare_mrc_cache(void)
{
struct mrc_data_container *cache;
struct mrc_region entry;
int ret;
ret = mrccache_get_region(NULL, &entry);
if (ret)
return NULL;
cache = mrccache_find_current(&entry);
if (!cache)
return NULL;
debug("%s: mrc cache at %p, size %x checksum %04x\n", __func__,
cache->data, cache->data_size, cache->checksum);
return cache->data;
}
static int prepare_mrc_cache(struct pei_data *pei_data)
{
struct mrc_data_container *mrc_cache;
struct mrc_region entry;
int ret;
ret = mrccache_get_region(NULL, &entry);
if (ret)
return ret;
mrc_cache = mrccache_find_current(&entry);
if (!mrc_cache)
return -ENOENT;
pei_data->saved_data = mrc_cache->data;
pei_data->saved_data_size = mrc_cache->data_size;
debug("%s: at %p, size %x checksum %04x\n", __func__,
pei_data->saved_data, pei_data->saved_data_size,
mrc_cache->checksum);
return 0;
}