blob: e89f43ca5c9143d48df652aca9658d8fd30122f4 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Write an ACPI Firmware ACPI Control Structure (FACS) table
*
* Copyright 2021 Google LLC
*/
#define LOG_CATEGORY LOGC_ACPI
#include <common.h>
#include <acpi/acpi_table.h>
#include <dm/acpi.h>
int acpi_write_facs(struct acpi_ctx *ctx, const struct acpi_writer *entry)
{
struct acpi_facs *facs = ctx->current;
memset((void *)facs, '\0', sizeof(struct acpi_facs));
memcpy(facs->signature, "FACS", 4);
facs->length = sizeof(struct acpi_facs);
facs->hardware_signature = 0;
facs->firmware_waking_vector = 0;
facs->global_lock = 0;
facs->flags = 0;
facs->x_firmware_waking_vector_l = 0;
facs->x_firmware_waking_vector_h = 0;
facs->version = 1;
ctx->facs = facs;
acpi_inc(ctx, sizeof(struct acpi_facs));
return 0;
}
ACPI_WRITER(1facs, "FACS", acpi_write_facs, 0);