Arrow / Mbed OS DAPLink Reset

Repostiory containing DAPLink source code with Reset Pin workaround for HANI_IOT board.

Upstream: https://github.com/ARMmbed/DAPLink

source/family/renesas/target_reset_rza.c@0:01f31e923fe2, 2020-04-07 (annotated)

Committer:
Pawel Zarembski
Date:
Tue Apr 07 12:55:42 2020 +0200
Revision:
0:01f31e923fe2
hani: DAPLink with reset workaround

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pawel Zarembski 0:01f31e923fe2 1 /**
Pawel Zarembski 0:01f31e923fe2 2 * @file target_reset.c
Pawel Zarembski 0:01f31e923fe2 3 * @brief Target reset for the rza1h
Pawel Zarembski 0:01f31e923fe2 4 *
Pawel Zarembski 0:01f31e923fe2 5 * DAPLink Interface Firmware
Pawel Zarembski 0:01f31e923fe2 6 * Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
Pawel Zarembski 0:01f31e923fe2 7 * SPDX-License-Identifier: Apache-2.0
Pawel Zarembski 0:01f31e923fe2 8 *
Pawel Zarembski 0:01f31e923fe2 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Pawel Zarembski 0:01f31e923fe2 10 * not use this file except in compliance with the License.
Pawel Zarembski 0:01f31e923fe2 11 * You may obtain a copy of the License at
Pawel Zarembski 0:01f31e923fe2 12 *
Pawel Zarembski 0:01f31e923fe2 13 * http://www.apache.org/licenses/LICENSE-2.0
Pawel Zarembski 0:01f31e923fe2 14 *
Pawel Zarembski 0:01f31e923fe2 15 * Unless required by applicable law or agreed to in writing, software
Pawel Zarembski 0:01f31e923fe2 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Pawel Zarembski 0:01f31e923fe2 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pawel Zarembski 0:01f31e923fe2 18 * See the License for the specific language governing permissions and
Pawel Zarembski 0:01f31e923fe2 19 * limitations under the License.
Pawel Zarembski 0:01f31e923fe2 20 */
Pawel Zarembski 0:01f31e923fe2 21
Pawel Zarembski 0:01f31e923fe2 22 #include "swd_host.h"
Pawel Zarembski 0:01f31e923fe2 23 #include "target_family.h"
Pawel Zarembski 0:01f31e923fe2 24
Pawel Zarembski 0:01f31e923fe2 25 static uint8_t target_set_state_rza(target_state_t state)
Pawel Zarembski 0:01f31e923fe2 26 {
Pawel Zarembski 0:01f31e923fe2 27 return swd_set_target_state_hw(state);
Pawel Zarembski 0:01f31e923fe2 28 }
Pawel Zarembski 0:01f31e923fe2 29
Pawel Zarembski 0:01f31e923fe2 30 #define BINARY_DETECTION (0xE59FF000)
Pawel Zarembski 0:01f31e923fe2 31
Pawel Zarembski 0:01f31e923fe2 32 static uint8_t validate_bin_nvic_rza(const uint8_t *buf)
Pawel Zarembski 0:01f31e923fe2 33 {
Pawel Zarembski 0:01f31e923fe2 34 // Very dirty hacking here for ARMv7-A (non Cortex-M) binary detection
Pawel Zarembski 0:01f31e923fe2 35 // This returns validated result when start instrunction
Pawel Zarembski 0:01f31e923fe2 36 // of the buffer is BINARY_DETECTION (LDR PC, Label)
Pawel Zarembski 0:01f31e923fe2 37 // Compared with the high-order 3byte
Pawel Zarembski 0:01f31e923fe2 38 if ((buf[1] == ((BINARY_DETECTION >> 8) & 0xFF))
Pawel Zarembski 0:01f31e923fe2 39 && (buf[2] == ((BINARY_DETECTION >> 16) & 0xFF))
Pawel Zarembski 0:01f31e923fe2 40 && (buf[3] == ((BINARY_DETECTION >> 24) & 0xFF))) {
Pawel Zarembski 0:01f31e923fe2 41 return 1;
Pawel Zarembski 0:01f31e923fe2 42 } else {
Pawel Zarembski 0:01f31e923fe2 43 return 0;
Pawel Zarembski 0:01f31e923fe2 44 }
Pawel Zarembski 0:01f31e923fe2 45 }
Pawel Zarembski 0:01f31e923fe2 46
Pawel Zarembski 0:01f31e923fe2 47 static uint8_t validate_hexfile_rza(const uint8_t *buf)
Pawel Zarembski 0:01f31e923fe2 48 {
Pawel Zarembski 0:01f31e923fe2 49 return 0;
Pawel Zarembski 0:01f31e923fe2 50 }
Pawel Zarembski 0:01f31e923fe2 51
Pawel Zarembski 0:01f31e923fe2 52 const target_family_descriptor_t g_renesas_family = {
Pawel Zarembski 0:01f31e923fe2 53 .family_id = kRenesas_FamilyID,
Pawel Zarembski 0:01f31e923fe2 54 .target_set_state = target_set_state_rza,
Pawel Zarembski 0:01f31e923fe2 55 .validate_bin_nvic = validate_bin_nvic_rza,
Pawel Zarembski 0:01f31e923fe2 56 .validate_hexfile = validate_hexfile_rza,
Pawel Zarembski 0:01f31e923fe2 57 };
Pawel Zarembski 0:01f31e923fe2 58