From 674dc8810ea9a5f661651df481fff6037cba6e4b Mon Sep 17 00:00:00 2001
From: Mahavir Jain <mahavir@espressif.com>
Date: Thu, 24 Apr 2025 21:48:53 +0530
Subject: [PATCH] feat(hal): add support for ESP32-C5 ECO2 ECC peripheral

---
 components/hal/esp32c5/include/hal/ecc_ll.h | 10 +++++-----
 components/hal/include/hal/ecc_types.h      |  2 ++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/components/hal/esp32c5/include/hal/ecc_ll.h b/components/hal/esp32c5/include/hal/ecc_ll.h
index 9e56f188b8..9060cdbf72 100644
--- a/components/hal/esp32c5/include/hal/ecc_ll.h
+++ b/components/hal/esp32c5/include/hal/ecc_ll.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -121,11 +121,11 @@ static inline void ecc_ll_set_mode(ecc_mode_t mode)
 static inline void ecc_ll_set_curve(ecc_curve_t curve)
 {
     switch(curve) {
-        case ECC_CURVE_SECP256R1:
-            REG_SET_BIT(ECC_MULT_CONF_REG, ECC_MULT_KEY_LENGTH);
-            break;
         case ECC_CURVE_SECP192R1:
-            REG_CLR_BIT(ECC_MULT_CONF_REG, ECC_MULT_KEY_LENGTH);
+        case ECC_CURVE_SECP256R1:
+        case ECC_CURVE_SECP384R1:
+        case ECC_CURVE_SM2:
+            REG_SET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_KEY_LENGTH, curve);
             break;
         default:
             HAL_ASSERT(false && "Unsupported curve");
diff --git a/components/hal/include/hal/ecc_types.h b/components/hal/include/hal/ecc_types.h
index 497fb5222c..09030f7f76 100644
--- a/components/hal/include/hal/ecc_types.h
+++ b/components/hal/include/hal/ecc_types.h
@@ -26,6 +26,8 @@ typedef enum {
 typedef enum {
     ECC_CURVE_SECP192R1           = 0x0,
     ECC_CURVE_SECP256R1,
+    ECC_CURVE_SECP384R1,
+    ECC_CURVE_SM2,
 } ecc_curve_t;
 
 typedef enum {