xref: /arm-trusted-firmware/plat/arm/board/tc/tc_bl1_measured_boot.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2022-2023, Arm Limited. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #include <stdint.h>
8*91f16700Schasinglulu 
9*91f16700Schasinglulu #include <drivers/arm/rss_comms.h>
10*91f16700Schasinglulu #include <drivers/measured_boot/rss/rss_measured_boot.h>
11*91f16700Schasinglulu #include <lib/psa/measured_boot.h>
12*91f16700Schasinglulu #include <tools_share/zero_oid.h>
13*91f16700Schasinglulu 
14*91f16700Schasinglulu #include <plat/arm/common/plat_arm.h>
15*91f16700Schasinglulu #include <platform_def.h>
16*91f16700Schasinglulu 
17*91f16700Schasinglulu /* Table with platform specific image IDs and metadata. Intentionally not a
18*91f16700Schasinglulu  * const struct, some members might set by bootloaders during trusted boot.
19*91f16700Schasinglulu  */
20*91f16700Schasinglulu struct rss_mboot_metadata tc_rss_mboot_metadata[] = {
21*91f16700Schasinglulu 	{
22*91f16700Schasinglulu 		.id = FW_CONFIG_ID,
23*91f16700Schasinglulu 		.slot = U(6),
24*91f16700Schasinglulu 		.signer_id_size = SIGNER_ID_MIN_SIZE,
25*91f16700Schasinglulu 		.sw_type = RSS_MBOOT_FW_CONFIG_STRING,
26*91f16700Schasinglulu 		.pk_oid = ZERO_OID,
27*91f16700Schasinglulu 		.lock_measurement = true },
28*91f16700Schasinglulu 	{
29*91f16700Schasinglulu 		.id = TB_FW_CONFIG_ID,
30*91f16700Schasinglulu 		.slot = U(7),
31*91f16700Schasinglulu 		.signer_id_size = SIGNER_ID_MIN_SIZE,
32*91f16700Schasinglulu 		.sw_type = RSS_MBOOT_TB_FW_CONFIG_STRING,
33*91f16700Schasinglulu 		.pk_oid = ZERO_OID,
34*91f16700Schasinglulu 		.lock_measurement = true },
35*91f16700Schasinglulu 	{
36*91f16700Schasinglulu 		.id = BL2_IMAGE_ID,
37*91f16700Schasinglulu 		.slot = U(8),
38*91f16700Schasinglulu 		.signer_id_size = SIGNER_ID_MIN_SIZE,
39*91f16700Schasinglulu 		.sw_type = RSS_MBOOT_BL2_STRING,
40*91f16700Schasinglulu 		.pk_oid = ZERO_OID,
41*91f16700Schasinglulu 		.lock_measurement = true },
42*91f16700Schasinglulu 
43*91f16700Schasinglulu 	{
44*91f16700Schasinglulu 		.id = RSS_MBOOT_INVALID_ID }
45*91f16700Schasinglulu };
46*91f16700Schasinglulu 
47*91f16700Schasinglulu void bl1_plat_mboot_init(void)
48*91f16700Schasinglulu {
49*91f16700Schasinglulu 	/* Initialize the communication channel between AP and RSS */
50*91f16700Schasinglulu 	(void)rss_comms_init(PLAT_RSS_AP_SND_MHU_BASE,
51*91f16700Schasinglulu 			     PLAT_RSS_AP_RCV_MHU_BASE);
52*91f16700Schasinglulu 
53*91f16700Schasinglulu 	rss_measured_boot_init(tc_rss_mboot_metadata);
54*91f16700Schasinglulu }
55*91f16700Schasinglulu 
56*91f16700Schasinglulu void bl1_plat_mboot_finish(void)
57*91f16700Schasinglulu {
58*91f16700Schasinglulu 	/* Nothing to do. */
59*91f16700Schasinglulu }
60