diff options
Diffstat (limited to 'src/soc/amd/common/block/include/amdblocks/biosram.h')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/biosram.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/biosram.h b/src/soc/amd/common/block/include/amdblocks/biosram.h index 39ce112c0e..226fc173d4 100644 --- a/src/soc/amd/common/block/include/amdblocks/biosram.h +++ b/src/soc/amd/common/block/include/amdblocks/biosram.h @@ -5,6 +5,14 @@ #include <stdint.h> +/* Any new chipset and board must implement cbmem_top() for both + * romstage and ramstage to support early features like COLLECT_TIMESTAMPS + * and CBMEM_CONSOLE. With AMD it is necessary to have cbmem_top() + * value stored in nvram to enable early recovery on S3 path. + */ +void backup_top_of_low_cacheable(uintptr_t ramtop); +uintptr_t restore_top_of_low_cacheable(void); + /* Returns the bootblock C entry point for APs */ void *get_ap_entry_ptr(void); /* Used by BSP to store the bootblock entry point for APs */ |