src/soc/intel/braswell/scc.c


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

#include <acpi/acpi_gnvs.h>
#include <device/device.h>
#include <device/pci.h>
#include <soc/iosf.h>
#include <soc/device_nvs.h>
#include <soc/ramstage.h>

void scc_enable_acpi_mode(struct device *dev, int iosf_reg, int nvs_index)
{
	struct resource *bar;
	struct device_nvs *dev_nvs = acpi_get_device_nvs();

	/* Save BAR0 and BAR1 to ACPI NVS */
	bar = find_resource(dev, PCI_BASE_ADDRESS_0);
	if (bar)
		dev_nvs->scc_bar0[nvs_index] = bar->base;
	bar = find_resource(dev, PCI_BASE_ADDRESS_2);
	if (bar)
		dev_nvs->scc_bar1[nvs_index] = bar->base;

	/* Device is enabled in ACPI mode */
	dev_nvs->scc_en[nvs_index] = 1;
}