src/mainboard/google/poppy/mainboard.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <acpi/acpi.h>
#include <baseboard/variants.h>
#include <device/device.h>
#include <ec/ec.h>
#include <soc/pci_devs.h>
#include <soc/nhlt.h>

#include <variant/gpio.h>

static void mainboard_init(struct device *dev)
{
	mainboard_ec_init();
}

static unsigned long mainboard_write_acpi_tables(const struct device *device,
	unsigned long current, acpi_rsdp_t *rsdp)
{
	uintptr_t start_addr;
	uintptr_t end_addr;
	struct nhlt *nhlt;
	const char *oem_id = NULL;
	const char *oem_table_id = NULL;
	uint32_t oem_revision = 0;

	start_addr = current;

	nhlt = nhlt_init();

	if (nhlt == NULL)
		return start_addr;

	variant_nhlt_init(nhlt);
	variant_nhlt_oem_overrides(&oem_id, &oem_table_id, &oem_revision);

	end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr,
			oem_id, oem_table_id, oem_revision);

	if (end_addr != start_addr)
		acpi_add_table(rsdp, (void *)start_addr);

	return end_addr;
}

static void mainboard_enable(struct device *dev)
{
	dev->ops->init = mainboard_init;
	dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
}

static void mainboard_chip_init(void *chip_info)
{
	const struct pad_config *pads;
	size_t num;

	pads = variant_gpio_table(&num);
	gpio_configure_pads(pads, num);
	pads = variant_sku_gpio_table(&num);
	gpio_configure_pads(pads, num);
}

void __weak variant_final(void)
{
	/* nop */
}

static void mainboard_final(void *chip_info)
{
	variant_final();
}

struct chip_operations mainboard_ops = {
	.init = mainboard_chip_init,
	.enable_dev = mainboard_enable,
	.final = mainboard_final
};