src/soc/intel/xeon_sp/lockdown.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <intelblocks/lpc_lib.h>
   4 #include <intelpch/lockdown.h>
   5 #include <soc/lockdown.h>
   6 #include <soc/pm.h>
   7
   8 static void lpc_lockdown_config(void)
   9 {
  10         /* Set BIOS Interface Lock, BIOS Lock */
  11         lpc_set_bios_interface_lock_down();
  12
  13         /* Only allow writes in SMM */
  14         if (CONFIG(BOOTMEDIA_SMM_BWP)) {
  15                 lpc_set_eiss();
  16                 lpc_enable_wp();
  17         }
  18         lpc_set_lock_enable();
  19 }
  20
  21 void soc_lockdown_config(int chipset_lockdown)
  22 {
  23         lpc_lockdown_config();
  24         pmc_lockdown_config();
  25         sata_lockdown_config(chipset_lockdown);
  26         spi_lockdown_config(chipset_lockdown);
  27 }