soc/intel/common: Add common dsp driver

Audio DSP pci driver can be common across different platforms.

TEST=N/A.

Change-Id: Ia9206657864b8795799dc71af54996017c1eec57
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/22232
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>

3 files changed, 44 insertions, 0 deletions

diff --git a/src/soc/intel/common/block/dsp/Kconfig b/src/soc/intel/common/block/dsp/Kconfig
new file mode 100644
index 0000000000..4d65cb2259
--- /dev/null
+++ b/src/soc/intel/common/block/dsp/Kconfig
@@ -0,0 +1,4 @@
+config SOC_INTEL_COMMON_BLOCK_DSP
+	bool
+	help
+	  Intel Processor common DSP support
diff --git a/src/soc/intel/common/block/dsp/Makefile.inc b/src/soc/intel/common/block/dsp/Makefile.inc
new file mode 100644
index 0000000000..6c2cb79d4e
--- /dev/null
+++ b/src/soc/intel/common/block/dsp/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_DSP) += dsp.c
diff --git a/src/soc/intel/common/block/dsp/dsp.c b/src/soc/intel/common/block/dsp/dsp.c
new file mode 100644
index 0000000000..06384c7bc3
--- /dev/null
+++ b/src/soc/intel/common/block/dsp/dsp.c
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ *  * Copyright (C) 2016 Google Inc.
+ *  * Copyright (C) 2017 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 <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+
+static struct device_operations dsp_dev_ops = {
+	.read_resources         = &pci_dev_read_resources,
+	.set_resources          = &pci_dev_set_resources,
+	.enable_resources       = &pci_dev_enable_resources,
+	.scan_bus               = &scan_static_bus,
+};
+
+static const unsigned short pci_device_ids[] = {
+	PCI_DEVICE_ID_INTEL_APL_AUDIO,
+	PCI_DEVICE_ID_INTEL_CNL_AUDIO,
+	PCI_DEVICE_ID_INTEL_GLK_AUDIO,
+	0,
+};
+
+static const struct pci_driver dsp_driver __pci_driver = {
+	.ops    = &dsp_dev_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};