src/mainboard/packardbell/ms2290/smihandler.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <cpu/x86/smm.h>
   4 #include <device/pci_ops.h>
   5 #include <southbridge/intel/common/pmutil.h>
   6 #include <northbridge/intel/ironlake/ironlake.h>
   7 #include <ec/acpi/ec.h>
   8
   9 void mainboard_smi_gpi(u32 gpi_sts)
  10 {
  11 }
  12
  13 int mainboard_smi_apmc(u8 data)
  14 {
  15         u8 tmp;
  16         switch (data) {
  17         case APM_CNT_ACPI_ENABLE:
  18                 tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb);
  19                 tmp &= ~0x03;
  20                 tmp |= 0x02;
  21                 pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp);
  22                 break;
  23         case APM_CNT_ACPI_DISABLE:
  24                 tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb);
  25                 tmp &= ~0x03;
  26                 tmp |= 0x01;
  27                 pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp);
  28                 break;
  29         default:
  30                 break;
  31         }
  32         return 0;
  33 }