summaryrefslogtreecommitdiff
path: root/src/soc/intel/common/nhlt.c
blob: d4981524064cd4d53070f66fc69513b3dfff007e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
 * This file is part of the coreboot project.
 *
 * Copyright 2015 Google, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <cbmem.h>
#include <nhlt.h>
#include <soc/acpi.h>

uintptr_t nhlt_soc_serialize(struct nhlt *nhlt, uintptr_t acpi_addr)
{
	return nhlt_soc_serialize_oem_overrides(nhlt, acpi_addr, NULL, NULL);
}

uintptr_t nhlt_soc_serialize_oem_overrides(struct nhlt *nhlt,
	uintptr_t acpi_addr, const char *oem_id, const char *oem_table_id)
{
	global_nvs_t *gnvs;

	gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);

	if (gnvs == NULL)
		return acpi_addr;

	/* Update NHLT GNVS Data */
	gnvs->nhla = (uintptr_t)acpi_addr;
	gnvs->nhll = nhlt_current_size(nhlt);

	return nhlt_serialize_oem_overrides(nhlt, acpi_addr,
						oem_id, oem_table_id);
}