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google/lars: add nhlt support 

Provide an option for including the NHLT blobs within the
lars mainboard directory while also adding the ACPI NHLT
table generation that the current hardware supports.

BUG=chrome-os-partner:44481
BRANCH=None
TEST=Built and booted lars board.
Audio worked with MAXIM audio card.

Change-Id: I1b7836c685ebbe1498f3dbaa2eb64d5e0d4faabb
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 401f1a7b23dca19712517ed1588e1390769d1271
Original-Change-Id: I6a937872a9e10d2c5ea15d5952d23e98416df092
Original-Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/316092
Original-Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12961
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Subrata Banik 2015-12-08 14:26:49 +05:30 committed by Martin Roth
parent 27d71da71a
commit d91b1dfabb
2 changed files with 44 additions and 0 deletions
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6
src/mainboard/google/lars/Kconfig
View File

@ -52,4 +52,10 @@ config MAX_CPUS
int
default 8
config INCLUDE_NHLT_BLOBS
bool "Include blobs for audio."
select NHLT_DMIC_2CH
select NHLT_MAX98357
select NHLT_NAU88L25
endif

38
src/mainboard/google/lars/mainboard.c
View File

@ -15,8 +15,11 @@
* 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 "ec.h"
static void mainboard_init(device_t dev)
@ -24,6 +27,40 @@ 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");
/* MAXIM Smart Amps for left and right. */
if (nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP0))
printk(BIOS_ERR, "Couldn't add max98357.\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().
@ -31,6 +68,7 @@ static void mainboard_init(device_t dev)
static void mainboard_enable(device_t dev)
{
dev->ops->init = mainboard_init;
dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
}
struct chip_operations mainboard_ops = {