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-rw-r--r--src/soc/intel/common/block/dtt/dtt.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/dtt/dtt.c b/src/soc/intel/common/block/dtt/dtt.c
index a1a03ec289..1d70335491 100644
--- a/src/soc/intel/common/block/dtt/dtt.c
+++ b/src/soc/intel/common/block/dtt/dtt.c
@@ -1,8 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
+#include <acpi/acpigen.h>
+#include <acpi/acpigen_pci.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
+#include <intelblocks/acpi.h>
static const unsigned short pci_device_ids[] = {
PCI_DID_INTEL_RPL_DTT,
@@ -14,12 +17,34 @@ static const unsigned short pci_device_ids[] = {
0
};
+static void dtt_acpi_fill_ssdt(const struct device *dev)
+{
+ /* Skip if DPTF driver in use since TCPU device will already exist */
+ if (CONFIG(DRIVERS_INTEL_DPTF))
+ return;
+
+ const char *scope = acpi_device_scope(dev);
+
+ if (!scope)
+ return;
+
+ acpigen_write_scope(scope);
+ acpigen_write_device(soc_acpi_name(dev));
+ acpigen_write_ADR_pci_device(dev);
+ acpigen_write_STA(acpi_device_status(dev));
+ acpigen_pop_len(); /* Device */
+ acpigen_pop_len(); /* Scope */
+}
+
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,
+#if CONFIG(HAVE_ACPI_TABLES)
+ .acpi_fill_ssdt = dtt_acpi_fill_ssdt,
+#endif
};
static const struct pci_driver pch_dptf __pci_driver = {