void raminit(struct mrc_params *mp, int prev_sleep_state)
{
int ret;
mrc_wrapper_entry_t mrc_entry;
const struct mrc_saved_data *cache;
/* Fill in default entries. */
mp->version = MRC_PARAMS_VER;
mp->console_out = &send_to_console;
mp->prev_sleep_state = prev_sleep_state;
if (!mrc_cache_get_current(&cache)) {
mp->saved_data_size = cache->size;
mp->saved_data = &cache->data[0];
} else {
printk(BIOS_DEBUG, "No MRC cache found.\n");
}
mrc_entry = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, "mrc.bin", 0xab,
NULL);
if (mrc_entry == NULL) {
printk(BIOS_DEBUG, "Couldn't find mrc.bin\n");
return;
}
if (mp->mainboard.dram_info_location == DRAM_INFO_SPD_SMBUS)
enable_smbus();
ret = mrc_entry(mp);
cbmem_initialize_empty();
printk(BIOS_DEBUG, "MRC Wrapper returned %d\n", ret);
printk(BIOS_DEBUG, "MRC data at %p %d bytes\n", mp->data_to_save,
mp->data_to_save_size);
if (mp->data_to_save != NULL && mp->data_to_save_size > 0)
mrc_cache_stash_data(mp->data_to_save, mp->data_to_save_size);
}
void raminit(struct mrc_params *mp, int prev_sleep_state)
{
int ret;
mrc_wrapper_entry_t mrc_entry;
const struct mrc_saved_data *cache;
/* Fill in default entries. */
mp->version = MRC_PARAMS_VER;
mp->console_out = &send_to_console;
mp->prev_sleep_state = prev_sleep_state;
mp->rmt_enabled = IS_ENABLED(CONFIG_MRC_RMT);
/* Default to 2GiB IO hole. */
if (!mp->io_hole_mb)
mp->io_hole_mb = 2048;
if (vboot_recovery_mode_enabled()) {
printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n");
} else if (!mrc_cache_get_current(&cache)) {
mp->saved_data_size = cache->size;
mp->saved_data = &cache->data[0];
} else if (prev_sleep_state == ACPI_S3) {
/* If waking from S3 and no cache then. */
printk(BIOS_DEBUG, "No MRC cache found in S3 resume path.\n");
post_code(POST_RESUME_FAILURE);
reset_system();
} else {
printk(BIOS_DEBUG, "No MRC cache found.\n");
#if CONFIG_EC_GOOGLE_CHROMEEC
if (prev_sleep_state == ACPI_S0) {
/* Ensure EC is running RO firmware. */
google_chromeec_check_ec_image(EC_IMAGE_RO);
}
#endif
}
/* Determine if mrc.bin is in the cbfs. */
if (cbfs_boot_map_with_leak("mrc.bin", CBFS_TYPE_MRC, NULL) == NULL) {
printk(BIOS_DEBUG, "Couldn't find mrc.bin\n");
return;
}
/*
* The entry point is currently the first instruction. Handle the
* case of an ELF file being put in the cbfs by setting the entry
* to the CONFIG_MRC_BIN_ADDRESS.
*/
mrc_entry = (void *)(uintptr_t)CONFIG_MRC_BIN_ADDRESS;
if (mp->mainboard.dram_info_location == DRAM_INFO_SPD_SMBUS)
enable_smbus();
ret = mrc_entry(mp);
print_dram_info();
if (prev_sleep_state != ACPI_S3) {
cbmem_initialize_empty();
} else if (cbmem_initialize()) {
#if CONFIG_HAVE_ACPI_RESUME
printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n");
/* Failed S3 resume, reset to come up cleanly */
reset_system();
#endif
}
printk(BIOS_DEBUG, "MRC Wrapper returned %d\n", ret);
printk(BIOS_DEBUG, "MRC data at %p %d bytes\n", mp->data_to_save,
mp->data_to_save_size);
if (mp->data_to_save != NULL && mp->data_to_save_size > 0)
mrc_cache_stash_data(mp->data_to_save, mp->data_to_save_size);
}
