commit a5312fd8fca6d5600ccb88326de6bf8e753915fb
author Satish Kumar <satish.kumar01@arm.com> Tue Oct 26 07:08:57 2021 +0100
committer Anton Komlev <Anton.Komlev@arm.com> Fri Nov 26 11:46:16 2021 +0100
tree 5c0dcd4f5fab383574a5043300f9066b717b1a10
parent d71461e3152d9c0af757b12590745007f10efda3

platform: add secure debug public key to the otp

The commit adds secure debug public key hash to the OTP
layout. The commit provides the implementation of reading
and writing the key from cc312 based OTP backend.

Change-Id: Ic130aa9a301c79d49d61ae3b2e7162772de17893
Signed-off-by: Satish Kumar <satish.kumar01@arm.com>

platform/ext/common/template/otp_flash.c

diff --git a/platform/ext/common/template/otp_flash.c b/platform/ext/common/template/otp_flash.c
index dc6a0b7..56ffce7 100644
--- a/platform/ext/common/template/otp_flash.c
+++ b/platform/ext/common/template/otp_flash.c
@@ -101,6 +101,9 @@
         case PLAT_OTP_ID_ENTROPY_SEED:
             return write_to_output(id, offsetof(struct flash_otp_nv_counters_region_t, entropy_seed), out_len, out);
 
+        case PLAT_OTP_ID_SECURE_DEBUG_PK:
+            return write_to_output(id, offsetof(struct flash_otp_nv_counters_region_t, secure_debug_pk), out_len, out);
+
         default:
             return TFM_PLAT_ERR_UNSUPPORTED;
     }
@@ -200,6 +203,9 @@
     case PLAT_OTP_ID_ENTROPY_SEED:
         return read_from_input(id, offsetof(struct flash_otp_nv_counters_region_t, entropy_seed), in_len, in);
 
+    case PLAT_OTP_ID_SECURE_DEBUG_PK:
+        return read_from_input(id, offsetof(struct flash_otp_nv_counters_region_t, secure_debug_pk), in_len, in);
+
     default:
         return TFM_PLAT_ERR_UNSUPPORTED;
     }
@@ -290,6 +296,10 @@
             *size = sizeof(((struct flash_otp_nv_counters_region_t*)0)->entropy_seed);
             break;
 
+        case PLAT_OTP_ID_SECURE_DEBUG_PK:
+            *size = sizeof(((struct flash_otp_nv_counters_region_t*)0)->secure_debug_pk);
+            break;
+
         default:
             return TFM_PLAT_ERR_UNSUPPORTED;
     }