diff options
author | Sridhar Siricilla <sridhar.siricilla@intel.com> | 2019-08-31 16:12:21 +0530 |
---|---|---|
committer | Subrata Banik <subrata.banik@intel.com> | 2019-09-19 06:19:51 +0000 |
commit | e30a0e63b5285bb84ce7cdce5d0c9aabba32c536 (patch) | |
tree | 88416ae882f471c010d6796bb0f1408c2c50c692 /src/soc/intel/common/block/include/intelblocks/cse.h | |
parent | d59ae09832ea71e4037d4c6d3ac1875878cb5964 (diff) | |
download | coreboot-e30a0e63b5285bb84ce7cdce5d0c9aabba32c536.tar.xz |
src/soc/intel/common/block/cse: Add hmrfpo related functions to cse lib
Below new functions are added:
* send_hmrfpo_enable_msg() - Sends HMRFPO Enable command to CSE. This
API sets ME in SEC_OVERRIDE mode. The mode prevents CSE to execute SPI I/O
cycles to CSE region, and unlocks the CSE region to perfom updates to it.
* send_hmrfpo_get_status_msg() - Sends HMRFPO Get Status command to CSE
TEST=Verified sending HMRFPO_ENABLE & HMRFPO_GET_STATUS HECI commands on
CML RVP & hatch board
Change-Id: I559bc4641e12df7ed39b1c97097bf068f9a232db
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35229
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
Diffstat (limited to 'src/soc/intel/common/block/include/intelblocks/cse.h')
-rw-r--r-- | src/soc/intel/common/block/include/intelblocks/cse.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h index 1b08b4d4ea..378f41713c 100644 --- a/src/soc/intel/common/block/include/intelblocks/cse.h +++ b/src/soc/intel/common/block/include/intelblocks/cse.h @@ -113,6 +113,20 @@ uint8_t wait_cse_sec_override_mode(void); */ int send_heci_reset_req_message(uint8_t rst_type); +/* + * Send HMRFPO_ENABLE command. + * returns 0 on failure and 1 on success. + */ +int send_hmrfpo_enable_msg(void); + +/* + * Send HMRFPO_GET_STATUS command. + * returns -1 on failure and 0 (DISABLED)/ 1 (LOCKED)/ 2 (ENABLED) + * on success. + */ +int send_hmrfpo_get_status_msg(void); + + #define BIOS_HOST_ADDR 0x00 #define HECI_MKHI_ADDR 0x07 @@ -121,4 +135,9 @@ int send_heci_reset_req_message(uint8_t rst_type); #define HOST_RESET_ONLY 2 #define CSE_RESET_ONLY 3 +/*HMRFPO Status types */ +#define MKHI_HMRFPO_DISABLED 0 +#define MKHI_HMRFPO_LOCKED 1 +#define MKHI_HMRFPO_ENABLED 2 + #endif // SOC_INTEL_COMMON_MSR_H |