soc/intel/common: Add missing SoC common function into SMM library

Modify SMM common code in order to accommodate SKL, CNL, APL, GLK
SOC code.

Change-Id: Ie9f90df3336c1278b73284815b5197400512c1d2
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/22869
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/soc/intel/common/block/include/intelblocks/smihandler.h b/src/soc/intel/common/block/include/intelblocks/smihandler.h
index 5df5552685..f1e3ecf9cb 100644
--- a/src/soc/intel/common/block/include/intelblocks/smihandler.h
+++ b/src/soc/intel/common/block/include/intelblocks/smihandler.h
@@ -60,6 +60,11 @@ const struct smm_save_state_ops *get_smm_save_state_ops(void);
  */
 extern const smi_handler_t southbridge_smi[32];
 
+#define SMI_HANDLER_SCI_EN(__bit)	(1 << (__bit))
+
+/* SMI handlers that should be serviced in SCI mode too. */
+uint32_t smi_handler_get_sci_mask(void);
+
 /*
  * This function should be implemented in SOC specific code to handle
  * the SMI event on SLP_EN. The default functionality is provided in
@@ -145,6 +150,12 @@ void smihandler_southbridge_espi(
 int smihandler_disable_busmaster(device_t dev);
 
 /*
+ * SoC needs to implement the mechanism to know if an illegal attempt
+ * has been made to write to the BIOS area.
+ */
+void smihandler_check_illegal_access(uint32_t tco_sts);
+
+/*
  * Returns gnvs pointer within SMM context
  */
 struct global_nvs_t *smm_get_gnvs(void);