Tim Wawrzynczak has uploaded this change for review.

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soc/intel/common/block: Add new block DTT

Intel Dynamic Tuning Technology is the name of a PCI device on some
Intel SoCs. This minimal PCI driver is only used now for SSDT generation
on TGL devices.

Change-Id: Ib52f35e4e020ca3e6ab8b32cc3bf7df36041926e
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
---
M src/include/device/pci_ids.h
A src/soc/intel/common/block/dtt/Kconfig
A src/soc/intel/common/block/dtt/Makefile.inc
A src/soc/intel/common/block/dtt/dtt.c
M src/soc/intel/tigerlake/Kconfig
5 files changed, 37 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/41893/1

diff --git a/src/include/device/pci_ids.h b/src/include/device/pci_ids.h
index 4b17567..054088d 100644
--- a/src/include/device/pci_ids.h
+++ b/src/include/device/pci_ids.h
@@ -3714,6 +3714,9 @@
 #define PCI_DEVICE_ID_GrP_6SERIES_1_WIFI	0x51f0
 #define PCI_DEVICE_ID_GrP_6SERIES_2_WIFI	0x7af0
 
+/* Intel Dynamic Tuning Technology Device */
+#define PCI_DEVICE_ID_INTEL_TGL_DTT		0x9A03
+
 #define PCI_VENDOR_ID_COMPUTONE		0x8e0e
 #define PCI_DEVICE_ID_COMPUTONE_IP2EX	0x0291
 #define PCI_DEVICE_ID_COMPUTONE_PG	0x0302
diff --git a/src/soc/intel/common/block/dtt/Kconfig b/src/soc/intel/common/block/dtt/Kconfig
new file mode 100644
index 0000000..063c475
--- /dev/null
+++ b/src/soc/intel/common/block/dtt/Kconfig
@@ -0,0 +1,7 @@
+config SOC_INTEL_COMMON_BLOCK_DTT
+	bool
+	default n
+	help
+	  Minimal PCI Driver for enabling SSDT generation of Intel
+	  Dynamic Tuning Technology (DTT) policies and controls, also
+	  known as Intel DPTF (Dynamic Platform and Thermal Framework)
diff --git a/src/soc/intel/common/block/dtt/Makefile.inc b/src/soc/intel/common/block/dtt/Makefile.inc
new file mode 100644
index 0000000..fccccf2
--- /dev/null
+++ b/src/soc/intel/common/block/dtt/Makefile.inc
@@ -0,0 +1,3 @@
+ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_DTT) += dtt.c
+
+
diff --git a/src/soc/intel/common/block/dtt/dtt.c b/src/soc/intel/common/block/dtt/dtt.c
new file mode 100644
index 0000000..025bbe5
--- /dev/null
+++ b/src/soc/intel/common/block/dtt/dtt.c
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+
+static const unsigned short pci_device_ids[] = {
+	PCI_DEVICE_ID_INTEL_TGL_DTT,
+};
+
+static struct device_operations dptf_dev_ops = {
+        .read_resources                 = pci_dev_read_resources,
+        .set_resources                  = pci_dev_set_resources,
+        .enable_resources               = pci_dev_enable_resources,
+        .scan_bus                       = scan_generic_bus,
+        .ops_pci                        = &pci_dev_ops_pci,
+};
+
+static const struct pci_driver pch_dptf __pci_driver = {
+        .ops                            = &dptf_dev_ops,
+        .vendor                         = PCI_VENDOR_ID_INTEL,
+        .devices                        = pci_device_ids,
+};
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig
index e0d29fb..ab82ea7 100644
--- a/src/soc/intel/tigerlake/Kconfig
+++ b/src/soc/intel/tigerlake/Kconfig
@@ -44,6 +44,7 @@
 	select SOC_INTEL_COMMON_BLOCK_CHIP_CONFIG
 	select SOC_INTEL_COMMON_BLOCK_CPU
 	select SOC_INTEL_COMMON_BLOCK_CPU_MPINIT
+	select SOC_INTEL_COMMON_BLOCK_DTT
 	select SOC_INTEL_COMMON_BLOCK_GPIO_DUAL_ROUTE_SUPPORT
 	select SOC_INTEL_COMMON_BLOCK_GSPI_VERSION_2
 	select SOC_INTEL_COMMON_BLOCK_HDA

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