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Diffstat (limited to 'src/mainboard/intel/kblrvp/mainboard.c')
-rw-r--r--src/mainboard/intel/kblrvp/mainboard.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/mainboard/intel/kblrvp/mainboard.c b/src/mainboard/intel/kblrvp/mainboard.c
new file mode 100644
index 0000000000..fe4fb3ab24
--- /dev/null
+++ b/src/mainboard/intel/kblrvp/mainboard.c
@@ -0,0 +1,109 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 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 <gpio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <soc/nhlt.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include "ec.h"
+#include "gpio.h"
+
+static const char *oem_id_maxim = "INTEL";
+static const char *oem_table_id_maxim = "SCRDMAX";
+
+static void mainboard_init(device_t dev)
+{
+ if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
+ mainboard_ec_init();
+}
+
+static uint8_t select_audio_codec(void)
+{
+ int audio_db_sel = gpio_get(AUDIO_DB_ID);
+
+ return audio_db_sel;
+}
+
+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;
+ const char *oem_id = NULL;
+ const char *oem_table_id = NULL;
+
+ 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");
+
+
+ /* 4 Channel DMIC array. */
+ if (nhlt_soc_add_dmic_array(nhlt, 4))
+ printk(BIOS_ERR, "Couldn't add 4CH DMIC arrays.\n");
+
+ if (select_audio_codec()) {
+ /* ADI Smart Amps for left and right. */
+ if (nhlt_soc_add_ssm4567(nhlt, AUDIO_LINK_SSP0))
+ printk(BIOS_ERR, "Couldn't add ssm4567.\n");
+ } else {
+ /* MAXIM Smart Amps for left and right. */
+ if (nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP0))
+ printk(BIOS_ERR, "Couldn't add max98357.\n");
+
+ oem_id = oem_id_maxim;
+ oem_table_id = oem_table_id_maxim;
+ }
+
+ /* 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_oem_overrides(nhlt, start_addr,
+ oem_id, oem_table_id);
+
+ 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,
+};