Amit Gandhi / mbed-dev

test

Fork of mbed-dev by mbed official

targets/TARGET_Realtek/TARGET_AMEBA/ota_api.c@178:d650f5d4c87a, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 13:50:44 2017 +0000
Revision:
178:d650f5d4c87a
Parent:
174:e131a1973e81 
This updates the lib to the mbed lib v 155

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 174:e131a1973e81 1 /* mbed Microcontroller Library
AnnaBridge 174:e131a1973e81 2 * Copyright (c) 2013-2017 Realtek Semiconductor Corp.
AnnaBridge 174:e131a1973e81 3 *
AnnaBridge 174:e131a1973e81 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 174:e131a1973e81 5 * you may not use this file except in compliance with the License.
AnnaBridge 174:e131a1973e81 6 * You may obtain a copy of the License at
AnnaBridge 174:e131a1973e81 7 *
AnnaBridge 174:e131a1973e81 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 174:e131a1973e81 9 *
AnnaBridge 174:e131a1973e81 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 174:e131a1973e81 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 174:e131a1973e81 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 174:e131a1973e81 13 * See the License for the specific language governing permissions and
AnnaBridge 174:e131a1973e81 14 * limitations under the License.
AnnaBridge 174:e131a1973e81 15 */
AnnaBridge 174:e131a1973e81 16 #include <stdio.h>
AnnaBridge 174:e131a1973e81 17 #include <string.h>
AnnaBridge 174:e131a1973e81 18
AnnaBridge 174:e131a1973e81 19 #include "mbed_wait_api.h"
AnnaBridge 174:e131a1973e81 20
AnnaBridge 174:e131a1973e81 21 #include "rtl8195a.h"
AnnaBridge 174:e131a1973e81 22 #include "flash_ext.h"
AnnaBridge 174:e131a1973e81 23
AnnaBridge 174:e131a1973e81 24 #define FLASH_TOP 0x200000
AnnaBridge 174:e131a1973e81 25 #define FLASH_SECTOR_SIZE 0x1000
AnnaBridge 174:e131a1973e81 26 #define FLASH_SECTOR_MASK ~(FLASH_SECTOR_SIZE - 1)
AnnaBridge 174:e131a1973e81 27 #define OTA_REGION1 0x0b000
AnnaBridge 174:e131a1973e81 28 #define OTA_REGION2 0xc0000
AnnaBridge 174:e131a1973e81 29 #define TAG_OFS 0xc
AnnaBridge 174:e131a1973e81 30 #define VER_OFS 0x10
AnnaBridge 174:e131a1973e81 31
AnnaBridge 174:e131a1973e81 32 #define TAG_DOWNLOAD 0x81950001
AnnaBridge 174:e131a1973e81 33 #define TAG_VERIFIED 0x81950003
AnnaBridge 174:e131a1973e81 34
AnnaBridge 174:e131a1973e81 35 static flash_t flash_obj;
AnnaBridge 174:e131a1973e81 36
AnnaBridge 174:e131a1973e81 37 typedef struct imginfo_s {
AnnaBridge 174:e131a1973e81 38 uint32_t base;
AnnaBridge 174:e131a1973e81 39 uint32_t tag;
AnnaBridge 174:e131a1973e81 40 uint64_t ver;
AnnaBridge 174:e131a1973e81 41 } imginfo_t;
AnnaBridge 174:e131a1973e81 42
AnnaBridge 174:e131a1973e81 43
AnnaBridge 174:e131a1973e81 44 void OTA_GetImageInfo(imginfo_t *info)
AnnaBridge 174:e131a1973e81 45 {
AnnaBridge 174:e131a1973e81 46 uint32_t ver_hi, ver_lo;
AnnaBridge 174:e131a1973e81 47
AnnaBridge 174:e131a1973e81 48 flash_ext_read_word(&flash_obj, info->base + TAG_OFS, &info->tag);
AnnaBridge 174:e131a1973e81 49 flash_ext_read_word(&flash_obj, info->base + VER_OFS, &ver_lo);
AnnaBridge 174:e131a1973e81 50 flash_ext_read_word(&flash_obj, info->base + VER_OFS + 4, &ver_hi);
AnnaBridge 174:e131a1973e81 51
AnnaBridge 174:e131a1973e81 52 if (info->tag == TAG_DOWNLOAD) {
AnnaBridge 174:e131a1973e81 53 info->ver = ((uint64_t)ver_hi << 32) | (uint64_t) ver_lo;
AnnaBridge 174:e131a1973e81 54 } else {
AnnaBridge 174:e131a1973e81 55 info->ver = 0;
AnnaBridge 174:e131a1973e81 56 }
AnnaBridge 174:e131a1973e81 57 }
AnnaBridge 174:e131a1973e81 58
AnnaBridge 174:e131a1973e81 59 uint32_t OTA_GetBase(void)
AnnaBridge 174:e131a1973e81 60 {
AnnaBridge 174:e131a1973e81 61 static uint32_t ota_base = 0;
AnnaBridge 174:e131a1973e81 62 imginfo_t region1, region2;
AnnaBridge 174:e131a1973e81 63
AnnaBridge 174:e131a1973e81 64 if (ota_base == OTA_REGION1 || ota_base == OTA_REGION2) {
AnnaBridge 174:e131a1973e81 65 return ota_base;
AnnaBridge 174:e131a1973e81 66 }
AnnaBridge 174:e131a1973e81 67
AnnaBridge 174:e131a1973e81 68 region1.base = OTA_REGION1;
AnnaBridge 174:e131a1973e81 69 region2.base = OTA_REGION2;
AnnaBridge 174:e131a1973e81 70
AnnaBridge 174:e131a1973e81 71 OTA_GetImageInfo(&region1);
AnnaBridge 174:e131a1973e81 72 OTA_GetImageInfo(&region2);
AnnaBridge 174:e131a1973e81 73
AnnaBridge 174:e131a1973e81 74 if (region1.ver >= region2.ver) {
AnnaBridge 174:e131a1973e81 75 ota_base = region2.base;
AnnaBridge 174:e131a1973e81 76 } else {
AnnaBridge 174:e131a1973e81 77 ota_base = region1.base;
AnnaBridge 174:e131a1973e81 78 }
AnnaBridge 174:e131a1973e81 79 return ota_base;
AnnaBridge 174:e131a1973e81 80 }
AnnaBridge 174:e131a1973e81 81
AnnaBridge 174:e131a1973e81 82 uint32_t OTA_MarkUpdateDone(void)
AnnaBridge 174:e131a1973e81 83 {
AnnaBridge 174:e131a1973e81 84 uint32_t addr = OTA_GetBase() + TAG_OFS;
AnnaBridge 174:e131a1973e81 85
AnnaBridge 174:e131a1973e81 86 return flash_ext_write_word(&flash_obj, addr, TAG_DOWNLOAD);
AnnaBridge 174:e131a1973e81 87 }
AnnaBridge 174:e131a1973e81 88
AnnaBridge 174:e131a1973e81 89 uint32_t OTA_UpdateImage(uint32_t offset, uint32_t len, uint8_t *data)
AnnaBridge 174:e131a1973e81 90 {
AnnaBridge 174:e131a1973e81 91 uint32_t addr, start, end, count, shift;
AnnaBridge 174:e131a1973e81 92 uint8_t *pdata = data;
AnnaBridge 174:e131a1973e81 93 uint8_t buf[FLASH_SECTOR_SIZE];
AnnaBridge 174:e131a1973e81 94
AnnaBridge 174:e131a1973e81 95 start = OTA_GetBase() + offset;
AnnaBridge 174:e131a1973e81 96 end = start + len;
AnnaBridge 174:e131a1973e81 97
AnnaBridge 174:e131a1973e81 98 if (data == NULL || start > FLASH_TOP || end > FLASH_TOP) {
AnnaBridge 174:e131a1973e81 99 return 0;
AnnaBridge 174:e131a1973e81 100 }
AnnaBridge 174:e131a1973e81 101
AnnaBridge 174:e131a1973e81 102 addr = start & FLASH_SECTOR_MASK;
AnnaBridge 174:e131a1973e81 103 if (addr != start) {
AnnaBridge 174:e131a1973e81 104 shift = start - addr;
AnnaBridge 174:e131a1973e81 105 count = MIN(FLASH_SECTOR_SIZE - shift, len);
AnnaBridge 174:e131a1973e81 106 flash_ext_stream_read(&flash_obj, addr, shift, buf);
AnnaBridge 174:e131a1973e81 107 memcpy((void *)(buf + shift), (void *)pdata, count);
AnnaBridge 174:e131a1973e81 108
AnnaBridge 174:e131a1973e81 109 flash_ext_erase_sector(&flash_obj, addr);
AnnaBridge 174:e131a1973e81 110 flash_ext_stream_write(&flash_obj, addr, FLASH_SECTOR_SIZE, buf);
AnnaBridge 174:e131a1973e81 111 addr += FLASH_SECTOR_SIZE;
AnnaBridge 174:e131a1973e81 112 pdata += count;
AnnaBridge 174:e131a1973e81 113 }
AnnaBridge 174:e131a1973e81 114
AnnaBridge 174:e131a1973e81 115 while (addr < end) {
AnnaBridge 174:e131a1973e81 116 printf("OTA: update addr=0x%lx, len=%ld\r\n", addr, len);
AnnaBridge 174:e131a1973e81 117 count = MIN(FLASH_SECTOR_SIZE, end - addr);
AnnaBridge 174:e131a1973e81 118 flash_ext_erase_sector(&flash_obj, addr);
AnnaBridge 174:e131a1973e81 119 flash_ext_stream_write(&flash_obj, addr, count, pdata);
AnnaBridge 174:e131a1973e81 120 addr += FLASH_SECTOR_SIZE;
AnnaBridge 174:e131a1973e81 121 pdata += count;
AnnaBridge 174:e131a1973e81 122 }
AnnaBridge 174:e131a1973e81 123 return len;
AnnaBridge 174:e131a1973e81 124 }
AnnaBridge 174:e131a1973e81 125
AnnaBridge 174:e131a1973e81 126 uint32_t OTA_ReadImage(uint32_t offset, uint32_t len, uint8_t *data)
AnnaBridge 174:e131a1973e81 127 {
AnnaBridge 174:e131a1973e81 128 uint32_t addr, endaddr;
AnnaBridge 174:e131a1973e81 129
AnnaBridge 174:e131a1973e81 130 addr = OTA_GetBase() + offset;
AnnaBridge 174:e131a1973e81 131 endaddr = addr + len;
AnnaBridge 174:e131a1973e81 132
AnnaBridge 174:e131a1973e81 133 if (data == NULL || addr > FLASH_TOP || endaddr > FLASH_TOP) {
AnnaBridge 174:e131a1973e81 134 return 0;
AnnaBridge 174:e131a1973e81 135 }
AnnaBridge 174:e131a1973e81 136
AnnaBridge 174:e131a1973e81 137 printf("OTA: read addr=0x%lx\r\n", addr);
AnnaBridge 174:e131a1973e81 138 return flash_ext_stream_read(&flash_obj, addr, len, data);
AnnaBridge 174:e131a1973e81 139 }
AnnaBridge 174:e131a1973e81 140
AnnaBridge 174:e131a1973e81 141 void OTA_ResetTarget(void)
AnnaBridge 174:e131a1973e81 142 {
AnnaBridge 174:e131a1973e81 143 __RTK_CTRL_WRITE32(0x14, 0x00000021);
AnnaBridge 174:e131a1973e81 144 wait(1);
AnnaBridge 174:e131a1973e81 145
AnnaBridge 174:e131a1973e81 146 // write SCB->AIRCR
AnnaBridge 174:e131a1973e81 147 HAL_WRITE32(0xE000ED00, 0x0C,
AnnaBridge 174:e131a1973e81 148 (0x5FA << 16) | // VECTKEY
AnnaBridge 174:e131a1973e81 149 (HAL_READ32(0xE000ED00, 0x0C) & (7 << 8)) | // PRIGROUP
AnnaBridge 174:e131a1973e81 150 (1 << 2)); // SYSRESETREQ
AnnaBridge 174:e131a1973e81 151
AnnaBridge 174:e131a1973e81 152 // not reached
AnnaBridge 174:e131a1973e81 153 while (1);
AnnaBridge 174:e131a1973e81 154 }