src/mainboard/getac/p470/cstates.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpigen.h>
   4 #include <southbridge/intel/i82801gx/i82801gx.h>
   5
   6 static const acpi_cstate_t cst_entries[] = {
   7         {
   8                 /* ACPI C1 / CPU C1 */
   9                 1, 0x01, 1000,
  10                 { ACPI_ADDRESS_SPACE_FIXED, 1, 2, 1, 0, 0 }
  11         },
  12         {
  13                 /* ACPI C2 / CPU C2 */
  14                 2, 0x01,  500,
  15                 { ACPI_ADDRESS_SPACE_IO, 8, 0, 0, DEFAULT_PMBASE + LV2, 0 }
  16         },
  17         {
  18                 /* ACPI C3 / CPU C2 */
  19                 2, 0x11,  250,
  20                 { ACPI_ADDRESS_SPACE_IO, 8, 0, 0, DEFAULT_PMBASE + LV3, 0 }
  21         },
  22 };
  23
  24 int get_cst_entries(const acpi_cstate_t **entries)
  25 {
  26         *entries = cst_entries;
  27         return ARRAY_SIZE(cst_entries);
  28 }