drivers/spi/tpm: Add helper to get cr50 firmware version
Introduce a helper to get the cached cr50 firmware version. This
information is in turn used to identify the strap configuration
supported by Cr50.
BUG=None
TEST=Ensure that Drawcia board boots to OS. Ensure that the version
cached cr50 firmware version is returned.
Change-Id: Id84b152993f253878a6c133cc433a0da2c990cf2
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44653
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Sam McNally <sammc@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/drivers/spi/tpm/tpm.c b/src/drivers/spi/tpm/tpm.c
index bc40e852..66db671 100644
--- a/src/drivers/spi/tpm/tpm.c
+++ b/src/drivers/spi/tpm/tpm.c
@@ -48,11 +48,6 @@
/* Cached TPM device identification. */
static struct tpm2_info tpm_info;
-struct cr50_firmware_version {
- int epoch;
- int major;
- int minor;
-};
static struct cr50_firmware_version cr50_firmware_version;
/*
@@ -849,3 +844,8 @@
return payload_size;
}
+
+void cr50_get_firmware_version(struct cr50_firmware_version *version)
+{
+ memcpy(version, &cr50_firmware_version, sizeof(*version));
+}