diff options
| -rw-r--r-- | src/arch/x86/acpi.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c index e4ccd37abe..fdcbcd3fb5 100644 --- a/src/arch/x86/acpi.c +++ b/src/arch/x86/acpi.c @@ -386,10 +386,15 @@ static void acpi_create_tpm2(acpi_tpm2_t *tpm2) /* Hard to detect for coreboot. Just set it to 0 */ tpm2->platform_class = 0; - /* Must be set to 0 for TIS interface support */ - tpm2->control_area = 0; - /* coreboot only supports the TIS interface driver. */ - tpm2->start_method = 6; + if (CONFIG(CRB_TPM)) { + /* Must be set to 7 for CRB Support */ + tpm2->control_area = CONFIG_CRB_TPM_BASE_ADDRESS + 0x40; + tpm2->start_method = 7; + } else { + /* Must be set to 0 for FIFO interface support */ + tpm2->control_area = 0; + tpm2->start_method = 6; + } memset(tpm2->msp, 0, sizeof(tpm2->msp)); /* Fill the log area size and start address fields. */ |