diff options
| -rw-r--r-- | src/include/cbmem.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h index 2e947a1973..524bfb5748 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -80,7 +80,10 @@ void cbmem_initialize_empty_id_size(u32 id, u64 size); /* Return the top address for dynamic cbmem. The address returned needs to * be consistent across romstage and ramstage, and it is required to be - * below 4GiB. */ + * below 4GiB. + * Board or chipset should return NULL if any interface that might rely on cbmem + * (e.g. cbfs, vboot) is used before the cbmem backing store has been + * initialized. */ void *cbmem_top(void); /* Add a cbmem entry of a given size and id. These return NULL on failure. The |