From d41ad724cd2430558e4ecbb5e90b769555b68c34 Mon Sep 17 00:00:00 2001
From: Jett Rink <jettrink@google.com>
Date: Mon, 10 Jun 2024 09:31:14 -0600
Subject: tpm: Add Ti50 OpenTitan DID_VID

The OpenTitan HW implements the same firmware interface as the Ti50
H1D3C hardware variant; it just has a different DID_VID. Allow this new
DID_VID to be recognized correctly.

BUG=b:324940153

Change-Id: Iaacf6d88bc6067948756c465aac1cd8b24ecae1f
Signed-off-by: Jett Rink <jettrink@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83033
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
---
 src/drivers/spi/tpm/tpm.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/drivers/spi')

diff --git a/src/drivers/spi/tpm/tpm.c b/src/drivers/spi/tpm/tpm.c
index d9c3a6dc1c..f74dfffe01 100644
--- a/src/drivers/spi/tpm/tpm.c
+++ b/src/drivers/spi/tpm/tpm.c
@@ -391,6 +391,7 @@ static enum cb_err tpm2_claim_locality(void)
 static const uint32_t supported_did_vids[] = {
 	0x00281ae0,  /* H1 based Cr50 security chip. */
 	0x504a6666,  /* H1D3C based Ti50 security chip. */
+	0x50666666,  /* OpenTitan based Ti50 security chip. */
 	0x0000104a   /* ST33HTPH2E32 */
 };
 
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