diff options
Diffstat (limited to 'src/include/cbmem.h')
| -rw-r--r-- | src/include/cbmem.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h index 0fe25c1741..21ca0975f9 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -145,11 +145,12 @@ void cbmem_add_records_to_cbtable(struct lb_header *header); #endif /* ENV_RAMSTAGE */ -/* These are for compatibility with old boards only. Any new chipset and board - * must implement cbmem_top() for both romstage and ramstage to support - * early features like COLLECT_TIMESTAMPS and CBMEM_CONSOLE. +/* Any new chipset and board must implement cbmem_top() for both + * romstage and ramstage to support early features like COLLECT_TIMESTAMPS + * and CBMEM_CONSOLE. Sometimes it is necessary to have cbmem_top() + * value stored in nvram to enable early recovery on S3 path. */ -#if IS_ENABLED(CONFIG_ARCH_X86) && IS_ENABLED(CONFIG_LATE_CBMEM_INIT) +#if IS_ENABLED(CONFIG_ARCH_X86) /* Note that many of the current providers of get_top_of_ram() conditionally * return 0 when the sleep type is non S3. i.e. cold and warm boots would * return 0 from get_top_of_ram(). */ |