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/board/hexiwear.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 hexiwear.c
Pawel Zarembski 0:01f31e923fe2 3 *
Pawel Zarembski 0:01f31e923fe2 4 * DAPLink Interface Firmware
Pawel Zarembski 0:01f31e923fe2 5 * Copyright (c) 2018, ARM Limited, All Rights Reserved
Pawel Zarembski 0:01f31e923fe2 6 * SPDX-License-Identifier: Apache-2.0
Pawel Zarembski 0:01f31e923fe2 7 *
Pawel Zarembski 0:01f31e923fe2 8 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Pawel Zarembski 0:01f31e923fe2 9 * not use this file except in compliance with the License.
Pawel Zarembski 0:01f31e923fe2 10 * You may obtain a copy of the License at
Pawel Zarembski 0:01f31e923fe2 11 *
Pawel Zarembski 0:01f31e923fe2 12 * http://www.apache.org/licenses/LICENSE-2.0
Pawel Zarembski 0:01f31e923fe2 13 *
Pawel Zarembski 0:01f31e923fe2 14 * Unless required by applicable law or agreed to in writing, software
Pawel Zarembski 0:01f31e923fe2 15 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Pawel Zarembski 0:01f31e923fe2 16 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pawel Zarembski 0:01f31e923fe2 17 * See the License for the specific language governing permissions and
Pawel Zarembski 0:01f31e923fe2 18 * limitations under the License.
Pawel Zarembski 0:01f31e923fe2 19 */
Pawel Zarembski 0:01f31e923fe2 20
Pawel Zarembski 0:01f31e923fe2 21 #include "swd_host.h"
Pawel Zarembski 0:01f31e923fe2 22 #include "target_board.h"
Pawel Zarembski 0:01f31e923fe2 23 #include "target_family.h"
Pawel Zarembski 0:01f31e923fe2 24
Pawel Zarembski 0:01f31e923fe2 25 char *board_id_kw41z = "0234";
Pawel Zarembski 0:01f31e923fe2 26
Pawel Zarembski 0:01f31e923fe2 27 #define MDM_STATUS 0x01000000
Pawel Zarembski 0:01f31e923fe2 28 #define MDM_CTRL 0x01000004
Pawel Zarembski 0:01f31e923fe2 29 #define MDM_IDR 0x010000fc
Pawel Zarembski 0:01f31e923fe2 30 #define MDM_ID_K64 0x001c0000 // K64
Pawel Zarembski 0:01f31e923fe2 31 #define MDM_ID_KW4 0x001c0020 // KW4
Pawel Zarembski 0:01f31e923fe2 32
Pawel Zarembski 0:01f31e923fe2 33 /* Kinetis series ID */
Pawel Zarembski 0:01f31e923fe2 34 #define K_SERIES 0
Pawel Zarembski 0:01f31e923fe2 35 #define KW_SERIES 5
Pawel Zarembski 0:01f31e923fe2 36
Pawel Zarembski 0:01f31e923fe2 37 /* KW4 subfamily defines */
Pawel Zarembski 0:01f31e923fe2 38 #define KW40 0
Pawel Zarembski 0:01f31e923fe2 39 #define KW41 1
Pawel Zarembski 0:01f31e923fe2 40
Pawel Zarembski 0:01f31e923fe2 41 static void prerun_board_config(void);
Pawel Zarembski 0:01f31e923fe2 42
Pawel Zarembski 0:01f31e923fe2 43
Pawel Zarembski 0:01f31e923fe2 44 const board_info_t g_board_info = {
Pawel Zarembski 0:01f31e923fe2 45 .info_version = kBoardInfoVersion,
Pawel Zarembski 0:01f31e923fe2 46 .board_id = "0214",
Pawel Zarembski 0:01f31e923fe2 47 .family_id = kNXP_RapidIot_FamilyID,
Pawel Zarembski 0:01f31e923fe2 48 .flags = kEnablePageErase,
Pawel Zarembski 0:01f31e923fe2 49 .daplink_url_name = "PRODINFOHTM",
Pawel Zarembski 0:01f31e923fe2 50 .daplink_drive_name = "HEX-DAPLINK",
Pawel Zarembski 0:01f31e923fe2 51 .daplink_target_url = "http://www.hexiwear.com/",
Pawel Zarembski 0:01f31e923fe2 52 .target_cfg = &target_device,
Pawel Zarembski 0:01f31e923fe2 53 .prerun_board_config = prerun_board_config,
Pawel Zarembski 0:01f31e923fe2 54 };
Pawel Zarembski 0:01f31e923fe2 55
Pawel Zarembski 0:01f31e923fe2 56 static void prerun_board_config(void)
Pawel Zarembski 0:01f31e923fe2 57 {
Pawel Zarembski 0:01f31e923fe2 58 // SIM peripheral 0x40047000
Pawel Zarembski 0:01f31e923fe2 59 // address offset 0x 1024
Pawel Zarembski 0:01f31e923fe2 60 uint32_t SDID = 0x40048024;
Pawel Zarembski 0:01f31e923fe2 61 uint32_t sdid;
Pawel Zarembski 0:01f31e923fe2 62
Pawel Zarembski 0:01f31e923fe2 63 // get a hold of the target
Pawel Zarembski 0:01f31e923fe2 64 if (target_set_state(HALT) == 0) {
Pawel Zarembski 0:01f31e923fe2 65 /*
Pawel Zarembski 0:01f31e923fe2 66 * When the Kinetis flash is empty the reset line toggles. This causes failures
Pawel Zarembski 0:01f31e923fe2 67 * when trying to halt the target. Use the reset halt method in this case.
Pawel Zarembski 0:01f31e923fe2 68 */
Pawel Zarembski 0:01f31e923fe2 69 target_set_state(RESET_PROGRAM);
Pawel Zarembski 0:01f31e923fe2 70 }
Pawel Zarembski 0:01f31e923fe2 71
Pawel Zarembski 0:01f31e923fe2 72 // Read the system identification register
Pawel Zarembski 0:01f31e923fe2 73 swd_read_memory(SDID, (uint8_t *)&sdid, 4);
Pawel Zarembski 0:01f31e923fe2 74
Pawel Zarembski 0:01f31e923fe2 75 // Set the target flash algorithm
Pawel Zarembski 0:01f31e923fe2 76 if (((sdid >> 20) & 0xF) == KW_SERIES) {
Pawel Zarembski 0:01f31e923fe2 77
Pawel Zarembski 0:01f31e923fe2 78 if (((sdid >> 24) & 0x3) == KW40) {
Pawel Zarembski 0:01f31e923fe2 79 // Program to the KW40 flash
Pawel Zarembski 0:01f31e923fe2 80 extern target_cfg_t target_device_kw40;
Pawel Zarembski 0:01f31e923fe2 81 target_device = target_device_kw40;
Pawel Zarembski 0:01f31e923fe2 82 } else {
Pawel Zarembski 0:01f31e923fe2 83 // Program to the KW41 flash
Pawel Zarembski 0:01f31e923fe2 84 extern target_cfg_t target_device_kw41;
Pawel Zarembski 0:01f31e923fe2 85 target_device = target_device_kw41;
Pawel Zarembski 0:01f31e923fe2 86 target_device.rt_board_id = board_id_kw41z;
Pawel Zarembski 0:01f31e923fe2 87 }
Pawel Zarembski 0:01f31e923fe2 88 }
Pawel Zarembski 0:01f31e923fe2 89
Pawel Zarembski 0:01f31e923fe2 90 // Let the target run
Pawel Zarembski 0:01f31e923fe2 91 target_set_state(RUN);
Pawel Zarembski 0:01f31e923fe2 92 }