summaryrefslogtreecommitdiff
path: root/src/mainboard
diff options
context:
space:
mode:
authorSubrata Banik <subrata.banik@intel.com>2015-12-08 14:26:49 +0530
committerMartin Roth <martinroth@google.com>2016-01-16 23:33:45 +0100
commitd91b1dfabbeb20080cd5b70fbb0e82c6cf839a04 (patch)
treeac230c35c7ff9898f4cc841c82a5e48e4124c6d2 /src/mainboard
parent27d71da71add86dd2d8dea719896fc44cd697137 (diff)
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>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/lars/Kconfig6
-rw-r--r--src/mainboard/google/lars/mainboard.c38
2 files changed, 44 insertions, 0 deletions
diff --git a/src/mainboard/google/lars/Kconfig b/src/mainboard/google/lars/Kconfig
index 2bf25475d7..e227d4d375 100644
--- a/src/mainboard/google/lars/Kconfig
+++ b/src/mainboard/google/lars/Kconfig
@@ -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
diff --git a/src/mainboard/google/lars/mainboard.c b/src/mainboard/google/lars/mainboard.c
index bf547479a1..6725f134d3 100644
--- a/src/mainboard/google/lars/mainboard.c
+++ b/src/mainboard/google/lars/mainboard.c
@@ -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 = {