diff options
Diffstat (limited to 'src/soc/intel/common/memmap.h')
| -rw-r--r-- | src/soc/intel/common/memmap.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/soc/intel/common/memmap.h b/src/soc/intel/common/memmap.h index d94f0add7f..3d51539f55 100644 --- a/src/soc/intel/common/memmap.h +++ b/src/soc/intel/common/memmap.h @@ -28,6 +28,24 @@ * this value should be set to 8 MiB. */ size_t mmap_region_granluarity(void); + +/* Fills in the arguments for the entire SMM region covered by chipset + * protections. e.g. TSEG. */ void smm_region(void **start, size_t *size); +enum { + /* SMM handler area. */ + SMM_SUBREGION_HANDLER, + /* SMM cache region. */ + SMM_SUBREGION_CACHE, + /* Chipset specific area. */ + SMM_SUBREGION_CHIPSET, + /* Total sub regions supported. */ + SMM_SUBREGION_NUM, +}; + +/* Fills in the start and size for the requested SMM subregion. Returns + * 0 on susccess, < 0 on failure. */ +int smm_subregion(int sub, void **start, size_t *size); + #endif /* _COMMON_MEMMAP_H_ */ |