src/mainboard/acer/g43t-am3/early_init.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <bootblock_common.h>
   4 #include <southbridge/intel/i82801jx/i82801jx.h>
   5 #include <northbridge/intel/x4x/x4x.h>
   6 #include <superio/ite/common/ite.h>
   7 #include <superio/ite/it8720f/it8720f.h>
   8
   9 #define GPIO_DEV PNP_DEV(0x2e, IT8720F_GPIO)
  10
  11 void bootblock_mainboard_early_init(void)
  12 {
  13         /* Set up GPIOs on Super I/O. */
  14         ite_reg_write(GPIO_DEV, 0x25, 0x00); // GPIO set 1
  15         ite_reg_write(GPIO_DEV, 0x26, 0x0c); // GPIO set 2
  16         ite_reg_write(GPIO_DEV, 0x27, 0x70); // GPIO set 3
  17         ite_reg_write(GPIO_DEV, 0x28, 0x40); // GPIO set 4
  18         ite_reg_write(GPIO_DEV, 0x29, 0x00); // GPIO set 5
  19
  20         /* Enable 3VSB during Suspend-to-RAM */
  21         ite_enable_3vsbsw(GPIO_DEV);
  22
  23         /* Delay PWROK2 after 3VSBSW# during resume from Suspend-to-RAM */
  24         ite_delay_pwrgd3(GPIO_DEV);
  25 }
  26
  27 void mb_get_spd_map(u8 spd_map[4])
  28 {
  29         spd_map[0] = 0x50;
  30         spd_map[1] = 0x51;
  31         spd_map[2] = 0x52;
  32         spd_map[3] = 0x53;
  33 }