src/soc/amd/common/block/include/amdblocks/smm.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef _AMDBLOCKS_SMM_H_
   4 #define _AMDBLOCKS_SMM_H_
   5
   6 #include <cpu/x86/msr.h>
   7 #include <types.h>
   8
   9 void *get_smi_source_handler(int source);
  10 void handle_smi_gsmi(void);
  11 void handle_smi_store(void);
  12 void fch_apmc_smi_handler(void);
  13 void clear_tvalid(void);
  14 void tseg_valid(void);
  15 bool is_smm_locked(void);
  16 void lock_smm(void);
  17 /* See SMITYPE_* for list possible of events. GEVENTS are handled with mainboard_smi_gpi. */
  18 void mainboard_handle_smi(int event);
  19
  20 #if CONFIG_SMM_TSEG_SIZE != 0
  21 #if (CONFIG_SMM_TSEG_SIZE <= CONFIG_SMM_RESERVED_SIZE)
  22 # error "CONFIG_SMM_TSEG_SIZE <= CONFIG_SMM_RESERVED_SIZE"
  23 #endif
  24 #if (CONFIG_SMM_TSEG_SIZE < 0x20000)
  25 # error "CONFIG_SMM_TSEG_SIZE must at least be 128KiB"
  26 #endif
  27 #if ((CONFIG_SMM_TSEG_SIZE & (CONFIG_SMM_TSEG_SIZE - 1)) != 0)
  28 # error "CONFIG_SMM_TSEG_SIZE is not a power of 2"
  29 #endif
  30 #endif
  31
  32 #endif