| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include <arch/acpi.h> |
| #include <boardid.h> |
| #include <drivers/vpd/vpd.h> |
| #include <smbios.h> |
| #include <soc/gpio.h> |
| #include <soc/ramstage.h> |
| #include <variant/gpio.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| |
| #define VPD_KEY_SYSTEM_SERIAL "serial_number" |
| #define VPD_KEY_MAINBOARD_SERIAL "mlb_serial_number" |
| #define VPD_SERIAL_LEN 64 |
| |
| const char *smbios_system_serial_number(void) |
| { |
| static char serial[VPD_SERIAL_LEN]; |
| if (vpd_gets(VPD_KEY_SYSTEM_SERIAL, serial, VPD_SERIAL_LEN, VPD_RO)) |
| return serial; |
| return ""; |
| } |
| |
| const char *smbios_mainboard_serial_number(void) |
| { |
| static char serial[VPD_SERIAL_LEN]; |
| if (vpd_gets(VPD_KEY_MAINBOARD_SERIAL, serial, VPD_SERIAL_LEN, VPD_RO)) |
| return serial; |
| return ""; |
| } |
| |
| /* mainboard silk screen shows DIMM-A and DIMM-B */ |
| void smbios_fill_dimm_locator(const struct dimm_info *dimm, |
| struct smbios_type17 *t) |
| { |
| switch (dimm->channel_num) { |
| case 0: |
| t->device_locator = smbios_add_string(t->eos, "DIMM-A"); |
| break; |
| case 1: |
| t->device_locator = smbios_add_string(t->eos, "DIMM-B"); |
| break; |
| default: |
| t->device_locator = smbios_add_string(t->eos, "UNKNOWN"); |
| break; |
| } |
| } |
| |
| static void mainboard_init(void *chip_info) |
| { |
| const struct pad_config *gpio_table; |
| size_t num_gpios; |
| |
| gpio_table = variant_gpio_table(&num_gpios); |
| cnl_configure_pads(gpio_table, num_gpios); |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .init = mainboard_init, |
| .enable_dev = mainboard_enable, |
| }; |