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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <console/console.h>
#include <acpi/acpi.h>
#include <baseboard/variants.h>
#include <device/device.h>
#include <drivers/spi/tpm/tpm.h>
#include <ec/ec.h>
#include <fw_config.h>
#include <gpio.h>
#include <intelblocks/gpio.h>
#include <security/tpm/tss.h>
#include <soc/gpio.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <variant/gpio.h>
#include <vb2_api.h>
#include "drivers/intel/pmc_mux/conn/chip.h"
extern struct chip_operations drivers_intel_pmc_mux_conn_ops;
static bool is_port1(struct device *dev)
{
return dev->path.type == DEVICE_PATH_GENERIC && dev->path.generic.id == 1
&& dev->chip_ops == &drivers_intel_pmc_mux_conn_ops;
}
static void typec_orientation_fixup(void)
{
/*
* TODO: This is an ugly hack, see if there's a better way to accomplish this same thing
* via fw_config + devicetree, i.e., change a register's value depending on fw_config
* probing.
*/
const struct device *pmc;
const struct device *mux;
const struct device *conn;
pmc = pcidev_path_on_root(PCH_DEVFN_PMC);
if (!pmc || !pmc->link_list->children) {
printk(BIOS_ERR, "%s: unable to find PMC device or its mux\n", __func__);
return;
}
/*
* Find port 1 underneath PMC.MUX; some variants may not have this defined, so it's okay
* to just silently return here.
*/
mux = pmc->link_list->children;
conn = dev_find_matching_device_on_bus(mux->link_list, is_port1);
if (!conn)
return;
if (fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN2))
|| fw_config_probe(FW_CONFIG(DB_USB, USB3_ACTIVE))
|| fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN3))
|| fw_config_probe(FW_CONFIG(DB_USB, USB3_NO_A))) {
struct drivers_intel_pmc_mux_conn_config *config = conn->chip_info;
if (config) {
printk(BIOS_INFO,
"Configure Right Type-C port orientation for retimer\n");
config->sbu_orientation = TYPEC_ORIENTATION_NORMAL;
}
}
}
static void mainboard_init(struct device *dev)
{
mainboard_ec_init();
typec_orientation_fixup();
variant_devtree_update();
}
void __weak variant_devtree_update(void)
{
}
static void add_fw_config_oem_string(const struct fw_config *config, void *arg)
{
struct smbios_type11 *t;
char buffer[64];
t = (struct smbios_type11 *)arg;
snprintf(buffer, sizeof(buffer), "%s-%s", config->field_name, config->option_name);
t->count = smbios_add_string(t->eos, buffer);
}
static void mainboard_smbios_strings(struct device *dev, struct smbios_type11 *t)
{
fw_config_for_each_found(add_fw_config_oem_string, t);
}
static void mainboard_enable(struct device *dev)
{
dev->ops->init = mainboard_init;
dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator;
dev->ops->get_smbios_strings = mainboard_smbios_strings;
}
void mainboard_update_soc_chip_config(struct soc_intel_tigerlake_config *cfg)
{
int ret;
if (!CONFIG(MAINBOARD_HAS_SPI_TPM_CR50)) {
/*
* Negotiation of long interrupt pulses is only supported via SPI. I2C is only
* used on reworked prototypes on which the TPM is replaced with Dauntless under
* development, it will use long pulses by default, or use the interrupt line in
* a different way altogether.
*/
return;
}
ret = tlcl_lib_init();
if (ret != VB2_SUCCESS) {
printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret);
return;
}
if (cr50_is_long_interrupt_pulse_enabled()) {
printk(BIOS_INFO, "Enabling S0i3.4\n");
} else {
/*
* Disable S0i3.4, preventing the GPIO block from switching to
* slow clock.
*/
printk(BIOS_INFO, "Not enabling S0i3.4\n");
cfg->LpmStateDisableMask |= LPM_S0i3_4;
cfg->gpio_override_pm = 1;
memset(cfg->gpio_pm, 0, sizeof(cfg->gpio_pm));
}
}
static void mainboard_chip_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);
/*
* Check SATAXPCIE1 (GPP_A12) RX status to determine if SSD is NVMe or SATA and set
* the IOSSTATE RX field to drive 0 or 1 back to the internal controller to ensure
* the attached device is not mis-detected on resume from S0ix.
*/
if (gpio_get(GPP_A12)) {
const struct pad_config gpio_pedet_nvme[] = {
PAD_CFG_NF_IOSSTATE(GPP_A12, NONE, DEEP, NF1, HIZCRx1),
};
gpio_configure_pads(gpio_pedet_nvme, ARRAY_SIZE(gpio_pedet_nvme));
printk(BIOS_INFO, "SATAXPCIE1 indicates PCIe NVMe is present\n");
} else {
const struct pad_config gpio_pedet_sata[] = {
PAD_CFG_NF_IOSSTATE(GPP_A12, NONE, DEEP, NF1, HIZCRx0),
};
gpio_configure_pads(gpio_pedet_sata, ARRAY_SIZE(gpio_pedet_sata));
printk(BIOS_INFO, "SATAXPCIE1 indicates SATA SSD is present\n");
}
}
struct chip_operations mainboard_ops = {
.init = mainboard_chip_init,
.enable_dev = mainboard_enable,
};
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