esp32h2: Add support for ECC hardware accelerator

components/soc/esp32h2/include/soc/Kconfig.soc_caps.in

@@ -131,6 +131,14 @@ config SOC_DIG_SIGN_SUPPORTED
     bool
     default y
 
+config SOC_ECC_SUPPORTED
+    bool
+    default y
+
+config SOC_ECC_EXTENDED_MODES_SUPPORTED
+    bool
+    default y
+
 config SOC_FLASH_ENC_SUPPORTED
     bool
     default y

components/soc/esp32h2/include/soc/ecc_mult_reg.h

@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  *  SPDX-License-Identifier: Apache-2.0
  */
@@ -162,6 +162,24 @@ extern "C" {
 #define ECC_MULT_PY_MEM (DR_REG_ECC_MULT_BASE + 0x140)
 #define ECC_MULT_PY_MEM_SIZE_BYTES 32
 
+/** ECC_MULT_QX_MEM register
+ *  The memory that stores Qx.
+ */
+#define ECC_MULT_QX_MEM (DR_REG_ECC_MULT_BASE + 0x160)
+#define ECC_MULT_QX_MEM_SIZE_BYTES 32
+
+/** ECC_MULT_QY_MEM register
+ *  The memory that stores Qy.
+ */
+#define ECC_MULT_QY_MEM (DR_REG_ECC_MULT_BASE + 0x180)
+#define ECC_MULT_QY_MEM_SIZE_BYTES 32
+
+/** ECC_MULT_QZ_MEM register
+ *  The memory that stores Qz.
+ */
+#define ECC_MULT_QZ_MEM (DR_REG_ECC_MULT_BASE + 0x1A0)
+#define ECC_MULT_QZ_MEM_SIZE_BYTES 32
+
 #ifdef __cplusplus
 }
 #endif

components/soc/esp32h2/include/soc/ecc_mult_struct.h

@@ -1,11 +1,13 @@
 /**
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  *  SPDX-License-Identifier: Apache-2.0
  */
 #pragma once
 
 #include <stdint.h>
+#include "esp_assert.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -151,12 +153,15 @@ typedef struct {
     volatile uint32_t k[8];
     volatile uint32_t px[8];
     volatile uint32_t py[8];
+    volatile uint32_t qx[8];
+    volatile uint32_t qy[8];
+    volatile uint32_t qz[8];
 } ecc_mult_dev_t;
 
 extern ecc_mult_dev_t ECC;
 
 #ifndef __cplusplus
-_Static_assert(sizeof(ecc_mult_dev_t) == 0x160, "Invalid size of ecc_mult_dev_t structure");
+_Static_assert(sizeof(ecc_mult_dev_t) == 0x1C0, "Invalid size of ecc_mult_dev_t structure");
 #endif
 
 #ifdef __cplusplus

components/soc/esp32h2/include/soc/periph_defs.h

@@ -35,6 +35,7 @@ typedef enum {
     PERIPH_RSA_MODULE,
     PERIPH_AES_MODULE,
     PERIPH_SHA_MODULE,
+    PERIPH_ECC_MODULE,
     PERIPH_HMAC_MODULE,
     PERIPH_DS_MODULE,
     PERIPH_GDMA_MODULE,

components/soc/esp32h2/include/soc/soc_caps.h

@@ -58,6 +58,8 @@
 #define SOC_SHA_SUPPORTED               1
 #define SOC_HMAC_SUPPORTED              1
 #define SOC_DIG_SIGN_SUPPORTED          1
+#define SOC_ECC_SUPPORTED               1
+#define SOC_ECC_EXTENDED_MODES_SUPPORTED   1
 #define SOC_FLASH_ENC_SUPPORTED         1
 #define SOC_SECURE_BOOT_SUPPORTED       1
 #define SOC_BOD_SUPPORTED               1