drivers/crb: Add CRB driver for TPM2 support

Add the Command Response Buffer which is defined in the TPM 2.0 Specs.
CRB can be specified with MAINBOARD_HAS_CRB_TPM, even though it is
actually SoC/SB specific.

Change-Id: I477e45963fe3cdbc02cda9ae99c19142747e4b46
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34106
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/drivers/crb/chip.h b/src/drivers/crb/chip.h
new file mode 100644
index 0000000000..8e74a68f97
--- /dev/null
+++ b/src/drivers/crb/chip.h
@@ -0,0 +1,22 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef DRIVERS_CRB_CHIP_H
+#define DRIVERS_CRB_CHIP_H
+
+typedef struct drivers_crb_config {
+} tpm_config_t;
+
+#endif /* DRIVERS_CRB_CHIP_H */