ifeq ($(CONFIG_TPM),y) ramstage-$(CONFIG_TPM_INIT_RAMSTAGE) += tpm.c ifeq ($(CONFIG_TPM_PPI),y) ramstage-$(CONFIG_HAVE_ACPI_TABLES) += ppi.c else ramstage-$(CONFIG_HAVE_ACPI_TABLES) += ppi_stub.c endif all-$(CONFIG_TPM_GOOGLE) += cr50.c endif