diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2020-05-29 15:20:56 -0600 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2020-07-07 20:31:14 +0000 |
| commit | c5316ec4d675750f35ff1b383adacc2255e92d79 (patch) | |
| tree | 9def7221ee37b1c5939f7a9d35e8ba5f0c0fd942 /src/soc/intel/common | |
| parent | 3452cb1359229b0457e9e1f6282c67fd459d4c90 (diff) | |
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>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41893
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/common')
| -rw-r--r-- | src/soc/intel/common/block/dtt/Kconfig | 7 | ||||
| -rw-r--r-- | src/soc/intel/common/block/dtt/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/intel/common/block/dtt/dtt.c | 23 |
3 files changed, 31 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/dtt/Kconfig b/src/soc/intel/common/block/dtt/Kconfig new file mode 100644 index 0000000000..063c475d53 --- /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 0000000000..08f48c9e10 --- /dev/null +++ b/src/soc/intel/common/block/dtt/Makefile.inc @@ -0,0 +1 @@ +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 0000000000..14987ead0a --- /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, +}; |