projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| ff32245b MR |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * Copyright (c) 2018 Bootlin | |
| 4 | * Author: Miquel Raynal <[email protected]> | |
| 5 | */ | |
| 6 | ||
| 7 | #include <common.h> | |
| 8 | #include <dm.h> | |
| 9 | #include <tpm-common.h> | |
| 10 | #include <tpm-v2.h> | |
| 11 | #include "tpm-utils.h" | |
| 1922df20 MR |
12 | |
| 13 | u32 tpm2_startup(enum tpm2_startup_types mode) | |
| 14 | { | |
| 15 | const u8 command_v2[12] = { | |
| 16 | tpm_u16(TPM2_ST_NO_SESSIONS), | |
| 17 | tpm_u32(12), | |
| 18 | tpm_u32(TPM2_CC_STARTUP), | |
| 19 | tpm_u16(mode), | |
| 20 | }; | |
| 21 | int ret; | |
| 22 | ||
| 23 | /* | |
| 24 | * Note TPM2_Startup command will return RC_SUCCESS the first time, | |
| 25 | * but will return RC_INITIALIZE otherwise. | |
| 26 | */ | |
| 27 | ret = tpm_sendrecv_command(command_v2, NULL, NULL); | |
| 28 | if (ret && ret != TPM2_RC_INITIALIZE) | |
| 29 | return ret; | |
| 30 | ||
| 31 | return 0; | |
| 32 | } | |
| 2dc6d97e MR |
33 | |
| 34 | u32 tpm2_self_test(enum tpm2_yes_no full_test) | |
| 35 | { | |
| 36 | const u8 command_v2[12] = { | |
| 37 | tpm_u16(TPM2_ST_NO_SESSIONS), | |
| 38 | tpm_u32(11), | |
| 39 | tpm_u32(TPM2_CC_SELF_TEST), | |
| 40 | full_test, | |
| 41 | }; | |
| 42 | ||
| 43 | return tpm_sendrecv_command(command_v2, NULL, NULL); | |
| 44 | } |