aboutsummaryrefslogtreecommitdiff
path: root/src/mainboard/google/chell/mainboard.c
blob: bfa79b4df68f4f40cb2f57a0ff6bdd24bccf2a77 (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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007-2009 coresystems GmbH
 * Copyright (C) 2015 Google Inc.
 * Copyright (C) 2015 Intel Corporation
 *
 * 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 <arch/acpi.h>
#include <console/console.h>
#include <device/device.h>
#include <stdlib.h>
#include <soc/nhlt.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include "ec.h"

static void mainboard_init(device_t dev)
{
	mainboard_ec_init();
}

static unsigned long mainboard_write_acpi_tables(
	device_t device, unsigned long current, acpi_rsdp_t *rsdp)
{
	uintptr_t start_addr;
	uintptr_t end_addr;
	struct nhlt *nhlt;

	start_addr = current;

	nhlt = nhlt_init();

	if (nhlt == NULL)
		return start_addr;

	/* 2 Channel DMIC array. */
	if (nhlt_soc_add_dmic_array(nhlt, 2))
		printk(BIOS_ERR, "Couldn't add 2CH DMIC array.\n");

	/* ADI Smart Amps for left and right. */
	if (nhlt_soc_add_ssm4567(nhlt, AUDIO_LINK_SSP0))
		printk(BIOS_ERR, "Couldn't add ssm4567.\n");

	/* NAU88l25 Headset codec. */
	if (nhlt_soc_add_nau88l25(nhlt, AUDIO_LINK_SSP1))
		printk(BIOS_ERR, "Couldn't add headset codec.\n");

	end_addr = nhlt_soc_serialize(nhlt, start_addr);

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

	return end_addr;
}

/*
 * mainboard_enable is executed as first thing after
 * enumerate_buses().
 */
static void mainboard_enable(device_t dev)
{
	dev->ops->init = mainboard_init;
	dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
	dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator;
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};