diff options
Diffstat (limited to 'src/drivers/intel')
| -rw-r--r-- | src/drivers/intel/fsp2_0/memory_init.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/memory_init.c b/src/drivers/intel/fsp2_0/memory_init.c index 8afa6d701c..004d7a8ffd 100644 --- a/src/drivers/intel/fsp2_0/memory_init.c +++ b/src/drivers/intel/fsp2_0/memory_init.c @@ -57,6 +57,13 @@ static void save_memory_training_data(bool s3wake, uint32_t fsp_version) printk(BIOS_ERR, "Failed to stash MRC data\n"); } +/* + * On every trip to recovery, newly generated MRC data is stored with this + * version since it is not expected to be a legit version. This ensures that on + * next normal boot, memory re-training occurs and new MRC data is stored. + */ +#define MRC_DEAD_VERSION (0xdeaddead) + static enum fsp_status do_fsp_post_memory_init(void *hob_list_ptr, bool s3wake, uint32_t fsp_version) { @@ -86,6 +93,9 @@ static enum fsp_status do_fsp_post_memory_init(void *hob_list_ptr, bool s3wake, /* Now that CBMEM is up, save the list so ramstage can use it */ fsp_save_hob_list(hob_list_ptr); + if (recovery_mode_enabled()) + fsp_version = MRC_DEAD_VERSION; + save_memory_training_data(s3wake, fsp_version); /* Create romstage handof information */ |