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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <boardid.h>
#include <drivers/vpd/vpd.h>
#include <smbios.h>
#include <soc/gpio.h>
#include <variant/gpio.h>
#include <vendorcode/google/chromeos/chromeos.h>
#if CONFIG(GENERATE_SMBIOS_TABLES)
#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;
}
}
#endif
static const struct pad_config gpio_unused[] = {
/* SUSWARN# */ PAD_NC(GPP_A13, NONE),
/* SUSACK# */ PAD_NC(GPP_A15, NONE),
/* M2_SKT2_CFG0 */ PAD_NC(GPP_H12, NONE),
/* M2_SKT2_CFG1 */ PAD_NC(GPP_H13, NONE),
};
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);
/* Disable unused pads for devices with board ID > 2 */
if (board_id() > 2)
gpio_configure_pads(gpio_unused, ARRAY_SIZE(gpio_unused));
}
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,
};
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