feat(dt-bindings): introduce Dualroot CoT DTB
Add Dualroot CoT DTB, which allows Dualroot platforms to get their chain
of trust description from a configuration file, rather than hard-coding
it into the firmware source code itself.
Change-Id: I03af8f28ba7ad56b883ff5e7961500ffdb8c3957
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
diff --git a/fdts/dualroot_cot_descriptors.dtsi b/fdts/dualroot_cot_descriptors.dtsi
new file mode 100644
index 0000000..459a1dd
--- /dev/null
+++ b/fdts/dualroot_cot_descriptors.dtsi
@@ -0,0 +1,314 @@
+/*
+ * Copyright (c) 2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <tools_share/dualroot_oid.h>
+#include <common/tbbr/tbbr_img_def.h>
+#include <common/nv_cntr_ids.h>
+
+cot {
+ manifests {
+ compatible = "arm, cert-descs";
+
+ trusted_boot_fw_cert: trusted_boot_fw_cert {
+ root-certificate;
+ image-id =<TRUSTED_BOOT_FW_CERT_ID>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ tb_fw_hash: tb_fw_hash {
+ oid = TRUSTED_BOOT_FW_HASH_OID;
+ };
+ tb_fw_config_hash: tb_fw_config_hash {
+ oid = TRUSTED_BOOT_FW_CONFIG_HASH_OID;
+ };
+ hw_config_hash: hw_config_hash {
+ oid = HW_CONFIG_HASH_OID;
+ };
+ fw_config_hash: fw_config_hash {
+ oid = FW_CONFIG_HASH_OID;
+ };
+ };
+
+ trusted_key_cert: trusted_key_cert {
+ root-certificate;
+ image-id = <TRUSTED_KEY_CERT_ID>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ trusted_world_pk: trusted_world_pk {
+ oid = TRUSTED_WORLD_PK_OID;
+ };
+ };
+
+ scp_fw_key_cert: scp_fw_key_cert {
+ image-id = <SCP_FW_KEY_CERT_ID>;
+ parent = <&trusted_key_cert>;
+ signing-key = <&trusted_world_pk>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ scp_fw_content_pk: scp_fw_content_pk {
+ oid = SCP_FW_CONTENT_CERT_PK_OID;
+ };
+ };
+
+ scp_fw_content_cert: scp_fw_content_cert {
+ image-id = <SCP_FW_CONTENT_CERT_ID>;
+ parent = <&scp_fw_key_cert>;
+ signing-key = <&scp_fw_content_pk>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ scp_fw_hash: scp_fw_hash {
+ oid = SCP_FW_HASH_OID;
+ };
+ };
+
+ soc_fw_key_cert: soc_fw_key_cert {
+ image-id = <SOC_FW_KEY_CERT_ID>;
+ parent = <&trusted_key_cert>;
+ signing-key = <&trusted_world_pk>;
+ antirollback-counter = <&trusted_nv_counter>;
+ soc_fw_content_pk: soc_fw_content_pk {
+ oid = SOC_FW_CONTENT_CERT_PK_OID;
+ };
+ };
+
+ soc_fw_content_cert: soc_fw_content_cert {
+ image-id = <SOC_FW_CONTENT_CERT_ID>;
+ parent = <&soc_fw_key_cert>;
+ signing-key = <&soc_fw_content_pk>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ soc_fw_hash: soc_fw_hash {
+ oid = SOC_AP_FW_HASH_OID;
+ };
+ soc_fw_config_hash: soc_fw_config_hash {
+ oid = SOC_FW_CONFIG_HASH_OID;
+ };
+ };
+
+ trusted_os_fw_key_cert: trusted_os_fw_key_cert {
+ image-id = <TRUSTED_OS_FW_KEY_CERT_ID>;
+ parent = <&trusted_key_cert>;
+ signing-key = <&trusted_world_pk>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ tos_fw_content_pk: tos_fw_content_pk {
+ oid = TRUSTED_OS_FW_CONTENT_CERT_PK_OID;
+ };
+ };
+
+ trusted_os_fw_content_cert: trusted_os_fw_content_cert {
+ image-id = <TRUSTED_OS_FW_CONTENT_CERT_ID>;
+ parent = <&trusted_os_fw_key_cert>;
+ signing-key = <&tos_fw_content_pk>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ tos_fw_hash: tos_fw_hash {
+ oid = TRUSTED_OS_FW_HASH_OID;
+ };
+ tos_fw_extra1_hash: tos_fw_extra1_hash {
+ oid = TRUSTED_OS_FW_EXTRA1_HASH_OID;
+ };
+ tos_fw_extra2_hash: tos_fw_extra2_hash {
+ oid = TRUSTED_OS_FW_EXTRA2_HASH_OID;
+ };
+ tos_fw_config_hash: tos_fw_config_hash {
+ oid = TRUSTED_OS_FW_CONFIG_HASH_OID;
+ };
+ };
+
+ non_trusted_fw_content_cert: non_trusted_fw_content_cert {
+ root-certificate;
+ image-id = <NON_TRUSTED_FW_CONTENT_CERT_ID>;
+ signing-key = <&prot_pk>;
+ antirollback-counter = <&non_trusted_nv_counter>;
+
+ nt_world_bl_hash: nt_world_bl_hash {
+ oid = NON_TRUSTED_WORLD_BOOTLOADER_HASH_OID;
+ };
+ nt_fw_config_hash: nt_fw_config_hash {
+ oid = NON_TRUSTED_FW_CONFIG_HASH_OID;
+ };
+ };
+
+#if defined(SPD_spmd)
+ sip_sp_content_cert: sip_sp_content_cert {
+ image-id = <SIP_SP_CONTENT_CERT_ID>;
+ parent = <&trusted_key_cert>;
+ signing-key = <&trusted_world_pk>;
+ antirollback-counter = <&trusted_nv_counter>;
+
+ sp_pkg1_hash: sp_pkg1_hash {
+ oid = SP_PKG1_HASH_OID;
+ };
+ sp_pkg2_hash: sp_pkg2_hash {
+ oid = SP_PKG2_HASH_OID;
+ };
+ sp_pkg3_hash: sp_pkg3_hash {
+ oid = SP_PKG3_HASH_OID;
+ };
+ sp_pkg4_hash: sp_pkg4_hash {
+ oid = SP_PKG4_HASH_OID;
+ };
+ };
+
+ plat_sp_content_cert: plat_sp_content_cert {
+ root-certificate;
+ image-id = <PLAT_SP_CONTENT_CERT_ID>;
+ signing-key = <&prot_pk>;
+ antirollback-counter = <&non_trusted_nv_counter>;
+
+ sp_pkg5_hash: sp_pkg5_hash {
+ oid = SP_PKG5_HASH_OID;
+ };
+ sp_pkg6_hash: sp_pkg6_hash {
+ oid = SP_PKG6_HASH_OID;
+ };
+ sp_pkg7_hash: sp_pkg7_hash {
+ oid = SP_PKG7_HASH_OID;
+ };
+ sp_pkg8_hash: sp_pkg8_hash {
+ oid = SP_PKG8_HASH_OID;
+ };
+ };
+#endif
+ };
+
+ images {
+ compatible = "arm, img-descs";
+
+ hw_config {
+ image-id = <HW_CONFIG_ID>;
+ parent = <&trusted_boot_fw_cert>;
+ hash = <&hw_config_hash>;
+ };
+
+ scp_bl2_image {
+ image-id = <SCP_BL2_IMAGE_ID>;
+ parent = <&scp_fw_content_cert>;
+ hash = <&scp_fw_hash>;
+ };
+
+ bl31_image {
+ image-id = <BL31_IMAGE_ID>;
+ parent = <&soc_fw_content_cert>;
+ hash = <&soc_fw_hash>;
+ };
+
+ soc_fw_config {
+ image-id = <SOC_FW_CONFIG_ID>;
+ parent = <&soc_fw_content_cert>;
+ hash = <&soc_fw_config_hash>;
+ };
+
+ bl32_image {
+ image-id = <BL32_IMAGE_ID>;
+ parent = <&trusted_os_fw_content_cert>;
+ hash = <&tos_fw_hash>;
+ };
+
+ bl32_extra1_image {
+ image-id = <BL32_EXTRA1_IMAGE_ID>;
+ parent = <&trusted_os_fw_content_cert>;
+ hash = <&tos_fw_extra1_hash>;
+ };
+
+ bl32_extra2_image {
+ image-id = <BL32_EXTRA2_IMAGE_ID>;
+ parent = <&trusted_os_fw_content_cert>;
+ hash = <&tos_fw_extra2_hash>;
+ };
+
+ tos_fw_config {
+ image-id = <TOS_FW_CONFIG_ID>;
+ parent = <&trusted_os_fw_content_cert>;
+ hash = <&tos_fw_config_hash>;
+ };
+
+ bl33_image {
+ image-id = <BL33_IMAGE_ID>;
+ parent = <&non_trusted_fw_content_cert>;
+ hash = <&nt_world_bl_hash>;
+ };
+
+ nt_fw_config {
+ image-id = <NT_FW_CONFIG_ID>;
+ parent = <&non_trusted_fw_content_cert>;
+ hash = <&nt_fw_config_hash>;
+ };
+
+#if defined(SPD_spmd)
+ sp_pkg1 {
+ image-id = <SP_PKG1_ID>;
+ parent = <&sip_sp_content_cert>;
+ hash = <&sp_pkg1_hash>;
+ };
+
+ sp_pkg2 {
+ image-id = <SP_PKG2_ID>;
+ parent = <&sip_sp_content_cert>;
+ hash = <&sp_pkg2_hash>;
+ };
+
+ sp_pkg3 {
+ image-id = <SP_PKG3_ID>;
+ parent = <&sip_sp_content_cert>;
+ hash = <&sp_pkg3_hash>;
+ };
+
+ sp_pkg4 {
+ image-id = <SP_PKG4_ID>;
+ parent = <&sip_sp_content_cert>;
+ hash = <&sp_pkg4_hash>;
+ };
+
+ sp_pkg5 {
+ image-id = <SP_PKG5_ID>;
+ parent = <&plat_sp_content_cert>;
+ hash = <&sp_pkg5_hash>;
+ };
+
+ sp_pkg6 {
+ image-id = <SP_PKG6_ID>;
+ parent = <&plat_sp_content_cert>;
+ hash = <&sp_pkg6_hash>;
+ };
+
+ sp_pkg7 {
+ image-id = <SP_PKG7_ID>;
+ parent = <&plat_sp_content_cert>;
+ hash = <&sp_pkg7_hash>;
+ };
+
+ sp_pkg8 {
+ image-id = <SP_PKG8_ID>;
+ parent = <&plat_sp_content_cert>;
+ hash = <&sp_pkg8_hash>;
+ };
+#endif
+ };
+};
+
+non_volatile_counters: non_volatile_counters {
+ compatible = "arm, non-volatile-counter";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ trusted_nv_counter: trusted_nv_counter {
+ id = <TRUSTED_NV_CTR_ID>;
+ oid = TRUSTED_FW_NVCOUNTER_OID;
+ };
+
+ non_trusted_nv_counter: non_trusted_nv_counter {
+ id = <NON_TRUSTED_NV_CTR_ID>;
+ oid = NON_TRUSTED_FW_NVCOUNTER_OID;
+ };
+};
+
+rot_keys {
+ prot_pk: prot_pk {
+ oid = PROT_PK_OID;
+ };
+};