hexiwear.c

00001 /**
00002  * @file    hexiwear.c
00003  *
00004  * DAPLink Interface Firmware
00005  * Copyright (c) 2018, ARM Limited, All Rights Reserved
00006  * SPDX-License-Identifier: Apache-2.0
00007  *
00008  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00009  * not use this file except in compliance with the License.
00010  * You may obtain a copy of the License at
00011  *
00012  * http://www.apache.org/licenses/LICENSE-2.0
00013  *
00014  * Unless required by applicable law or agreed to in writing, software
00015  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00016  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00017  * See the License for the specific language governing permissions and
00018  * limitations under the License.
00019  */
00020 
00021 #include "swd_host.h"
00022 #include "target_board.h"
00023 #include "target_family.h"
00024 
00025 char *board_id_kw41z = "0234";
00026 
00027 #define MDM_STATUS  0x01000000
00028 #define MDM_CTRL    0x01000004
00029 #define MDM_IDR     0x010000fc
00030 #define MDM_ID_K64  0x001c0000 // K64
00031 #define MDM_ID_KW4  0x001c0020 // KW4
00032 
00033 /* Kinetis series ID */
00034 #define K_SERIES     0
00035 #define KW_SERIES    5
00036 
00037 /* KW4 subfamily defines */
00038 #define KW40         0
00039 #define KW41         1
00040 
00041 static void prerun_board_config(void);
00042 
00043 
00044 const board_info_t g_board_info = {
00045     .info_version = kBoardInfoVersion,
00046     .board_id = "0214",
00047     .family_id = kNXP_RapidIot_FamilyID,
00048     .flags = kEnablePageErase ,
00049     .daplink_url_name =       "PRODINFOHTM",
00050     .daplink_drive_name =       "HEX-DAPLINK",
00051     .daplink_target_url = "http://www.hexiwear.com/",
00052     .target_cfg = &target_device,
00053     .prerun_board_config = prerun_board_config,
00054 };
00055 
00056 static void prerun_board_config(void)
00057 {
00058     // SIM peripheral   0x40047000
00059     // address offset   0x    1024
00060     uint32_t SDID = 0x40048024;
00061     uint32_t sdid;
00062 
00063     // get a hold of the target
00064     if (target_set_state(HALT) == 0) {
00065         /*
00066          * When the Kinetis flash is empty the reset line toggles. This causes failures
00067          * when trying to halt the target. Use the reset halt method in this case.
00068          */
00069         target_set_state(RESET_PROGRAM);
00070     }
00071 
00072     // Read the system identification register
00073     swd_read_memory(SDID, (uint8_t *)&sdid, 4);
00074 
00075     // Set the target flash algorithm
00076     if (((sdid >> 20) & 0xF) == KW_SERIES) {
00077 
00078         if (((sdid >> 24) & 0x3) == KW40) {
00079             // Program to the KW40 flash
00080             extern target_cfg_t target_device_kw40;
00081             target_device = target_device_kw40;
00082         } else {
00083             // Program to the KW41 flash
00084             extern target_cfg_t target_device_kw41;
00085             target_device = target_device_kw41;
00086             target_device.rt_board_id = board_id_kw41z;
00087         }
00088     }
00089 
00090     // Let the target run
00091     target_set_state(RUN);
00092 }