soc/intel/common/cse_lite: Allow specific operation prior to update

Some boards may want to perform a specific operation before the CSE FW
update final operation begins. For instance, on Brya this new callback
can be used to inform the end-user that an update is in progress.

BUG=b:264648959
BRANCH=firmware-brya-14505.B
TEST=Compilation success

Change-Id: Ia4d32a71f3ae61d2e24197fee6b458512f7778a9
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72097
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-by: Anil Kumar K <anil.kumar.k@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 3 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 422f69c1c62b..b031aa3390b1 100644
--- a/src/soc/intel/common/block/include/intelblocks/cse.h
+++ b/src/soc/intel/common/block/include/intelblocks/cse.h
@@ -500,6 +500,9 @@ void cse_fw_sync(void);
 /* Perform a board-specific reset sequence for CSE RO<->RW jump */
 void cse_board_reset(void);
 
+/* Perform a misc operation before CSE firmware update. */
+void cse_fw_update_misc_oper(void);
+
 /* Trigger vboot recovery mode on a CSE error */
 void cse_trigger_vboot_recovery(enum csme_failure_reason reason);