| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2018 Intel Corp. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <arch/acpi.h> |
| #include <baseboard/variants.h> |
| #include <boardid.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <ec/google/chromeec/ec.h> |
| #include <ec/ec.h> |
| #include <nhlt.h> |
| #include <smbios.h> |
| #include <soc/gpio.h> |
| #include <soc/nhlt.h> |
| #include <string.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| #include <variant/ec.h> |
| #include <variant/gpio.h> |
| |
| static void mainboard_init(void *chip_info) |
| { |
| int boardid; |
| const struct pad_config *pads; |
| size_t num; |
| |
| boardid = board_id(); |
| printk(BIOS_INFO, "Board ID: %d\n", boardid); |
| |
| pads = variant_gpio_table(&num); |
| gpio_configure_pads(pads, num); |
| |
| mainboard_ec_init(); |
| } |
| |
| static unsigned long mainboard_write_acpi_tables( |
| struct device *device, unsigned long current, acpi_rsdp_t *rsdp) |
| { |
| uintptr_t start_addr; |
| uintptr_t end_addr; |
| struct nhlt *nhlt; |
| |
| start_addr = current; |
| |
| nhlt = nhlt_init(); |
| |
| if (nhlt == NULL) |
| return start_addr; |
| |
| variant_nhlt_init(nhlt); |
| |
| end_addr = nhlt_soc_serialize(nhlt, start_addr); |
| |
| if (end_addr != start_addr) |
| acpi_add_table(rsdp, (void *)start_addr); |
| |
| return end_addr; |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| dev->ops->write_acpi_tables = mainboard_write_acpi_tables; |
| dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .init = mainboard_init, |
| .enable_dev = mainboard_enable, |
| }; |
| |
| #define SKU_UNKNOWN 0xFFFFFFFF |
| #define SKU_MAX 255 |
| |
| static uint32_t get_board_sku(void) |
| { |
| static uint32_t sku_id = SKU_UNKNOWN; |
| |
| if (sku_id != SKU_UNKNOWN) |
| return sku_id; |
| |
| if (google_chromeec_cbi_get_sku_id(&sku_id)) |
| sku_id = SKU_UNKNOWN; |
| |
| return sku_id; |
| } |
| |
| const char *smbios_mainboard_sku(void) |
| { |
| static char sku_str[7]; /* sku{0..255} */ |
| uint32_t sku_id = get_board_sku(); |
| |
| if ((sku_id == SKU_UNKNOWN) || (sku_id > SKU_MAX)) { |
| printk(BIOS_ERR, "%s: Unexpected SKU ID %u\n", |
| __func__, sku_id); |
| return ""; |
| } |
| |
| snprintf(sku_str, sizeof(sku_str), "sku%u", sku_id); |
| |
| return sku_str; |
| } |