| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <acpi/acpi.h> |
| #include <bootstate.h> |
| #include <baseboard/variants.h> |
| #include <device/device.h> |
| #include <ec/ec.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| |
| __weak void variant_isst_override(void) |
| { |
| /* |
| * Implement the override only if the board uses very early/initial revisions of |
| * Silicon. Otherwise nothing to override. |
| */ |
| } |
| |
| static void mainboard_config_isst(void *unused) |
| { |
| variant_isst_override(); |
| } |
| |
| static void mainboard_init(void *chip_info) |
| { |
| const struct pad_config *base_pads; |
| const struct pad_config *override_pads; |
| size_t base_num, override_num; |
| |
| base_pads = variant_base_gpio_table(&base_num); |
| override_pads = variant_override_gpio_table(&override_num); |
| |
| gpio_configure_pads_with_override(base_pads, base_num, |
| override_pads, override_num); |
| } |
| |
| static void mainboard_dev_init(struct device *dev) |
| { |
| mainboard_ec_init(); |
| } |
| |
| static unsigned long mainboard_write_acpi_tables( |
| const struct device *device, unsigned long current, acpi_rsdp_t *rsdp) |
| { |
| return current; |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| dev->ops->init = mainboard_dev_init; |
| dev->ops->write_acpi_tables = mainboard_write_acpi_tables; |
| dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .init = mainboard_init, |
| .enable_dev = mainboard_enable, |
| }; |
| |
| /* Configure ISST before CPU initialization */ |
| BOOT_STATE_INIT_ENTRY(BS_PRE_DEVICE, BS_ON_ENTRY, mainboard_config_isst, NULL); |