rapid_iot.c

00001 /**
00002  * @file    rapiod_iot.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 
00042 static void prerun_board_config(void);
00043 
00044 
00045 const board_info_t g_board_info = {
00046     .info_version = kBoardInfoVersion,
00047     .board_id = "0228",
00048     .family_id = kNXP_RapidIot_FamilyID,
00049     .flags = kEnablePageErase ,
00050     .daplink_url_name =       "PRODINFOHTM",
00051     .daplink_drive_name =       "IOT-DAPLINK",
00052     .daplink_target_url = "http://www.nxp.com/rapid-iot",
00053     .target_cfg = &target_device,
00054     .prerun_board_config = prerun_board_config,
00055 };
00056 
00057 static void prerun_board_config(void)
00058 {
00059     // SIM peripheral   0x40047000
00060     // address offset   0x    1024
00061     uint32_t SDID = 0x40048024;
00062     uint32_t sdid;
00063 
00064     // get a hold of the target
00065     if (target_set_state(HALT) == 0) {
00066         /*
00067          * When the Kinetis flash is empty the reset line toggles. This causes failures
00068          * when trying to halt the target. Use the reset halt method in this case.
00069          */
00070         target_set_state(RESET_PROGRAM);
00071     }
00072 
00073     // Read the system identification register
00074     swd_read_memory(SDID, (uint8_t *)&sdid, 4);
00075 
00076     // Set the target flash algorithm
00077     if (((sdid >> 20) & 0xF) == KW_SERIES) {
00078         //mdm_id = MDM_ID_KW4;
00079 
00080         if (((sdid >> 24) & 0x3) == KW40) {
00081             // Program to the KW40 flash
00082             extern target_cfg_t target_device_kw40;
00083             target_device = target_device_kw40;
00084         } else {
00085             // Program to the KW41 flash
00086             extern target_cfg_t target_device_kw41;
00087             target_device = target_device_kw41;
00088             target_device.rt_board_id = board_id_kw41z;
00089         }
00090     }
00091 
00092     // Let the target run
00093     target_set_state(RUN);
00094 }