src/mainboard/roda/rk9/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <arch/io.h>
   4 #include <device/device.h>
   5 #include <drivers/intel/gma/int15.h>
   6 #include <pc80/keyboard.h>
   7 #include <ec/acpi/ec.h>
   8
   9 static void ec_setup(void)
  10 {
  11         /* Thermal limits?  Values are from ectool's RAM dump. */
  12         ec_write(0xd1, 0x57); /* CPUH */
  13         ec_write(0xd2, 0xc9); /* CPUL */
  14         ec_write(0xd4, 0x64); /* SYSH */
  15         ec_write(0xd5, 0xc9); /* SYSL */
  16
  17         send_ec_command(0x04); /* Set_SMI_Enable */
  18         send_ec_command(0xab); /* Set_ACPI_Disable */
  19         send_ec_command(0xac); /* Clr_SYS_Flag? well, why not? */
  20         send_ec_command(0xad); /* Set_Thml_Value */
  21 }
  22
  23 static void mainboard_enable(struct device *dev)
  24 {
  25         ec_setup();
  26         /* LCD panel type is SIO GPIO40-43.
  27            It's controlled by a DIP switch but was always
  28            set to 4 while only values of 5 and 6 worked. */
  29         install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, (inb(0x60f) & 0x0f) + 1);
  30
  31         /* We have no driver for the embedded controller since the firmware
  32            does most of the job. Hence, initialize keyboards here. */
  33         pc_keyboard_init(NO_AUX_DEVICE);
  34 }
  35
  36 struct chip_operations mainboard_ops = {
  37         .enable_dev = mainboard_enable,
  38 };