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-rw-r--r--src/drivers/intel/fsp1_1/romstage.c10
-rw-r--r--src/drivers/tpm/Kconfig7
-rw-r--r--src/drivers/tpm/Makefile.inc1
-rw-r--r--src/drivers/tpm/tpm.c35
4 files changed, 43 insertions, 10 deletions
diff --git a/src/drivers/intel/fsp1_1/romstage.c b/src/drivers/intel/fsp1_1/romstage.c
index 0320bf5724..51f9a75373 100644
--- a/src/drivers/intel/fsp1_1/romstage.c
+++ b/src/drivers/intel/fsp1_1/romstage.c
@@ -37,7 +37,6 @@
#include <stage_cache.h>
#include <string.h>
#include <timestamp.h>
-#include <security/tpm/tspi.h>
#include <vendorcode/google/chromeos/chromeos.h>
asmlinkage void *romstage_main(FSP_INFO_HEADER *fih)
@@ -167,15 +166,6 @@ void romstage_common(struct romstage_params *params)
if (romstage_handoff_init(
params->power_state->prev_sleep_state == ACPI_S3) < 0)
hard_reset();
-
- /*
- * Initialize the TPM, unless the TPM was already initialized
- * in verstage and used to verify romstage.
- */
- if ((IS_ENABLED(CONFIG_TPM1) || IS_ENABLED(CONFIG_TPM2)) &&
- !IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK))
- tpm_setup(params->power_state->prev_sleep_state ==
- ACPI_S3);
}
void after_cache_as_ram_stage(void)
diff --git a/src/drivers/tpm/Kconfig b/src/drivers/tpm/Kconfig
new file mode 100644
index 0000000000..8508210fc6
--- /dev/null
+++ b/src/drivers/tpm/Kconfig
@@ -0,0 +1,7 @@
+config TPM_INIT
+ bool
+ default y if TPM1 || TPM2
+ depends on !VBOOT
+ help
+ This driver automatically initializes the TPM if vboot is not used.
+ The TPM driver init is done during the ramstage chip init phase.
diff --git a/src/drivers/tpm/Makefile.inc b/src/drivers/tpm/Makefile.inc
new file mode 100644
index 0000000000..4e80600ddf
--- /dev/null
+++ b/src/drivers/tpm/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_TPM_INIT) += tpm.c
diff --git a/src/drivers/tpm/tpm.c b/src/drivers/tpm/tpm.c
new file mode 100644
index 0000000000..e4a81c3da4
--- /dev/null
+++ b/src/drivers/tpm/tpm.c
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Facebook Inc.
+ *
+ * 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.
+ */
+
+#include <types.h>
+#include <stddef.h>
+#include <bootstate.h>
+#include <security/tpm/tspi.h>
+
+#if IS_ENABLED(CONFIG_ARCH_X86)
+#include <arch/acpi.h>
+#endif
+
+static void init_tpm_dev(void *unused)
+{
+#if IS_ENABLED(CONFIG_ARCH_X86)
+ int s3resume = acpi_is_wakeup_s3();
+ tpm_setup(s3resume);
+#else
+ tpm_setup(false);
+#endif
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, init_tpm_dev, NULL);