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-rw-r--r--src/mainboard/google/poppy/mainboard.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/poppy/mainboard.c b/src/mainboard/google/poppy/mainboard.c
index 3ee01467cd..3558ce0c92 100644
--- a/src/mainboard/google/poppy/mainboard.c
+++ b/src/mainboard/google/poppy/mainboard.c
@@ -17,6 +17,7 @@
#include <baseboard/variants.h>
#include <device/device.h>
#include <ec/ec.h>
+#include <soc/pci_devs.h>
#include <soc/nhlt.h>
#include <vendorcode/google/chromeos/chromeos.h>
@@ -56,9 +57,24 @@ static unsigned long mainboard_write_acpi_tables(device_t device,
static void mainboard_enable(device_t dev)
{
+ device_t tpm;
+
dev->ops->init = mainboard_init;
dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator;
dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
+
+ /* Disable unused interface(s) for TPM. */
+ if (!IS_ENABLED(CONFIG_POPPY_USE_SPI_TPM)) {
+ tpm = PCH_DEV_GSPI0;
+ if (tpm)
+ tpm->enabled = 0;
+ }
+
+ if (!IS_ENABLED(CONFIG_POPPY_USE_I2C_TPM)) {
+ tpm = PCH_DEV_I2C1;
+ if (tpm)
+ tpm->enabled = 0;
+ }
}
struct chip_operations mainboard_ops = {