src/mainboard/lattepanda/mu/smihandler.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <acpi/acpi.h>
   4 #include <arch/io.h>
   5 #include <cpu/x86/smm.h>
   6 #include <intelblocks/smihandler.h>
   7 #include <superio/ite/common/ite.h>
   8 #include <superio/ite/it8613e/it8613e.h>
   9
  10 #define it8613e_index   (0x2e)
  11 #define EC_DEV          PNP_DEV(it8613e_index, IT8613E_EC)
  12
  13 void mainboard_smi_sleep(u8 slp_typ)
  14 {
  15         printk(BIOS_DEBUG, "SMI: sleep S%d\n", slp_typ);
  16
  17         switch (slp_typ) {
  18         case ACPI_S3:
  19         case ACPI_S4:
  20         case ACPI_S5:
  21                 /* 5VSB_CTRL# Enabled */
  22                 ite_reg_write(EC_DEV, 0xfa, 2);
  23                 break;
  24         default:
  25                 break;
  26         }
  27
  28 }