Tim Wawrzynczak has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/41893 )
Change subject: soc/intel/common/block: Add new block DTT ......................................................................
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