summaryrefslogtreecommitdiff
path: root/src/arch/x86/acpi.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/x86/acpi.c')
-rw-r--r--src/arch/x86/acpi.c13
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. */