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