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/*
* This file is part of the coreboot project.
*
* Copyright 2020 The coreboot project Authors.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <baseboard/variants.h>
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <smbios.h>
#include <string.h>
#define SKU_UNKNOWN 0xffffffff
#define SKU_MAX 0x7fffffff
static uint32_t board_info_get_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_system_sku(void)
{
/* sku{0..2147483647} */
static char sku_str[14];
uint32_t sku_id = board_info_get_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;
}
const char *smbios_mainboard_manufacturer(void)
{
static char oem_name[32];
static const char *manuf;
if (manuf)
return manuf;
if (google_chromeec_cbi_get_oem_name(&oem_name[0],
ARRAY_SIZE(oem_name)) < 0) {
printk(BIOS_ERR, "Couldn't obtain OEM name from CBI\n");
manuf = CONFIG_MAINBOARD_SMBIOS_MANUFACTURER;
} else {
manuf = &oem_name[0];
}
return manuf;
}
int board_info_get_fw_config(uint32_t *fw_config)
{
uint32_t sku_id = board_info_get_sku();
/*
* FW_CONFIG can potentially have all the bits set. So check the
* sku_id to ensure that the CBI is provisioned before reading the
* FW_CONFIG.
*/
if (sku_id == SKU_UNKNOWN || sku_id > SKU_MAX)
return -1;
return google_chromeec_cbi_get_fw_config(fw_config);
}
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