src/mainboard/google/fatcat/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <acpi/acpi.h>
   4 #include <acpi/acpigen.h>
   5 #include <baseboard/gpio.h>
   6 #include <baseboard/variants.h>
   7 #include <device/device.h>
   8 #include <ec/ec.h>
   9 #include <soc/ramstage.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <vendorcode/google/chromeos/chromeos.h>
  13
  14 void __weak fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  15 {
  16         /* default implementation does nothing */
  17 }
  18
  19 void mainboard_update_soc_chip_config(struct soc_intel_pantherlake_config *config)
  20 {
  21         variant_update_soc_chip_config(config);
  22 }
  23
  24 void __weak variant_update_soc_chip_config(struct soc_intel_pantherlake_config *config)
  25 {
  26         /* default implementation does nothing */
  27 }
  28
  29 static void mainboard_init(void *chip_info)
  30 {
  31         struct pad_config *padbased_table;
  32         const struct pad_config *base_pads;
  33         size_t base_num;
  34
  35         padbased_table = new_padbased_table();
  36         base_pads = variant_gpio_table(&base_num);
  37         gpio_padbased_override(padbased_table, base_pads, base_num);
  38         fw_config_gpio_padbased_override(padbased_table);
  39         gpio_configure_pads_with_padbased(padbased_table);
  40         free(padbased_table);
  41         baseboard_devtree_update();
  42 }
  43
  44 void __weak baseboard_devtree_update(void)
  45 {
  46         /* Override dev tree settings per baseboard */
  47 }
  48
  49 void __weak variant_generate_s0ix_hook(enum s0ix_entry entry)
  50 {
  51         /* Add board-specific MS0X entries */
  52         /*
  53            if (s0ix_entry == S0IX_ENTRY) {
  54                 implement variant operations here
  55            }
  56            if (s0ix_entry == S0IX_EXIT) {
  57                 implement variant operations here
  58            }
  59          */
  60 }
  61
  62 static void mainboard_dev_init(struct device *dev)
  63 {
  64         mainboard_ec_init();
  65 }
  66
  67 static void mainboard_enable(struct device *dev)
  68 {
  69         dev->ops->init = mainboard_dev_init;
  70 }
  71
  72 struct chip_operations mainboard_ops = {
  73         .init = mainboard_init,
  74         .enable_dev = mainboard_enable,
  75 };