1## SPDX-License-Identifier: GPL-2.0-only 2 3ifeq ($(CONFIG_TPM),y) 4 5ramstage-$(CONFIG_TPM_INIT_RAMSTAGE) += tpm.c 6 7ifeq ($(CONFIG_TPM_PPI),y) 8ramstage-$(CONFIG_HAVE_ACPI_TABLES) += ppi.c 9else 10ramstage-$(CONFIG_HAVE_ACPI_TABLES) += ppi_stub.c 11endif 12 13all-$(CONFIG_TPM_GOOGLE) += cr50.c 14 15endif 16