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authorLijian Zhao <lijian.zhao@intel.com>2017-10-30 14:21:31 -0700
committerMartin Roth <martinroth@google.com>2017-11-04 00:26:54 +0000
commit7b6a8cec9b87e048894b926a6a2b082bcdae05ce (patch)
tree70ab77bdf7507bb5213933e1bb18595788724560
parentaf36f1d5259884d89e1523fc251393846683361c (diff)
downloadcoreboot-7b6a8cec9b87e048894b926a6a2b082bcdae05ce.tar.xz
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>
-rw-r--r--src/soc/intel/common/block/dsp/Kconfig4
-rw-r--r--src/soc/intel/common/block/dsp/Makefile.inc1
-rw-r--r--src/soc/intel/common/block/dsp/dsp.c39
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,
+};