SystemStorage.cpp

00001 /*
00002  * Copyright (c) 2018 ARM Limited. All rights reserved.
00003  * SPDX-License-Identifier: Apache-2.0
00004  * Licensed under the Apache License, Version 2.0 (the License); you may
00005  * not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include "features/storage/blockdevice/BlockDevice.h"
00017 #include "features/storage/filesystem/FileSystem.h"
00018 #include "features/storage/filesystem/fat/FATFileSystem.h"
00019 #include "features/storage/filesystem/littlefs/LittleFileSystem.h"
00020 #include "mbed_error.h"
00021 
00022 
00023 #if COMPONENT_SPIF
00024 #include "components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.h"
00025 #endif
00026 
00027 #if COMPONENT_RSPIF
00028 #include "components/storage/blockdevice/COMPONENT_RSPIF/SPIFReducedBlockDevice.h"
00029 #endif
00030 
00031 #if COMPONENT_QSPIF
00032 #include "components/storage/blockdevice/COMPONENT_QSPIF/QSPIFBlockDevice.h"
00033 #endif
00034 
00035 #if COMPONENT_DATAFLASH
00036 #include "components/storage/blockdevice/COMPONENT_DATAFLASH/DataFlashBlockDevice.h"
00037 #endif
00038 
00039 #if COMPONENT_SD
00040 #include "components/storage/blockdevice/COMPONENT_SD/SDBlockDevice.h"
00041 
00042 #if (STATIC_PINMAP_READY)
00043 const spi_pinmap_t static_spi_pinmap = get_spi_pinmap(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, NC);
00044 #endif
00045 #endif
00046 
00047 #if COMPONENT_FLASHIAP
00048 #include "components/storage/blockdevice/COMPONENT_FLASHIAP/FlashIAPBlockDevice.h"
00049 #endif
00050 
00051 using namespace mbed;
00052 
00053 // Align a value to a specified size.
00054 // Parameters :
00055 // val           - [IN]   Value.
00056 // size          - [IN]   Size.
00057 // Return        : Aligned value.
00058 static inline uint32_t align_up(uint32_t val, uint32_t size)
00059 {
00060     return (((val - 1) / size) + 1) * size;
00061 }
00062 
00063 MBED_WEAK BlockDevice *BlockDevice::get_default_instance()
00064 {
00065 #if COMPONENT_SPIF
00066 
00067     static SPIFBlockDevice default_bd(
00068         MBED_CONF_SPIF_DRIVER_SPI_MOSI,
00069         MBED_CONF_SPIF_DRIVER_SPI_MISO,
00070         MBED_CONF_SPIF_DRIVER_SPI_CLK,
00071         MBED_CONF_SPIF_DRIVER_SPI_CS,
00072         MBED_CONF_SPIF_DRIVER_SPI_FREQ
00073     );
00074 
00075     return &default_bd;
00076 
00077 #elif COMPONENT_RSPIF
00078 
00079     static SPIFReducedBlockDevice default_bd(
00080         MBED_CONF_RSPIF_DRIVER_SPI_MOSI,
00081         MBED_CONF_RSPIF_DRIVER_SPI_MISO,
00082         MBED_CONF_RSPIF_DRIVER_SPI_CLK,
00083         MBED_CONF_RSPIF_DRIVER_SPI_CS,
00084         MBED_CONF_RSPIF_DRIVER_SPI_FREQ
00085     );
00086 
00087     return &default_bd;
00088 
00089 #elif COMPONENT_QSPIF
00090 
00091     static QSPIFBlockDevice default_bd(
00092         MBED_CONF_QSPIF_QSPI_IO0,
00093         MBED_CONF_QSPIF_QSPI_IO1,
00094         MBED_CONF_QSPIF_QSPI_IO2,
00095         MBED_CONF_QSPIF_QSPI_IO3,
00096         MBED_CONF_QSPIF_QSPI_SCK,
00097         MBED_CONF_QSPIF_QSPI_CSN,
00098         MBED_CONF_QSPIF_QSPI_POLARITY_MODE,
00099         MBED_CONF_QSPIF_QSPI_FREQ
00100     );
00101 
00102     return &default_bd;
00103 
00104 #elif COMPONENT_DATAFLASH
00105 
00106     static DataFlashBlockDevice default_bd(
00107         MBED_CONF_DATAFLASH_SPI_MOSI,
00108         MBED_CONF_DATAFLASH_SPI_MISO,
00109         MBED_CONF_DATAFLASH_SPI_CLK,
00110         MBED_CONF_DATAFLASH_SPI_CS
00111     );
00112 
00113     return &default_bd;
00114 
00115 #elif COMPONENT_SD
00116 
00117 #if (STATIC_PINMAP_READY)
00118     static SDBlockDevice default_bd(
00119         static_spi_pinmap,
00120         MBED_CONF_SD_SPI_CS
00121     );
00122 #else
00123     static SDBlockDevice default_bd(
00124         MBED_CONF_SD_SPI_MOSI,
00125         MBED_CONF_SD_SPI_MISO,
00126         MBED_CONF_SD_SPI_CLK,
00127         MBED_CONF_SD_SPI_CS
00128     );
00129 #endif
00130 
00131     return &default_bd;
00132 
00133 #elif COMPONENT_FLASHIAP
00134 
00135 #if (MBED_CONF_FLASHIAP_BLOCK_DEVICE_SIZE == 0) && (MBED_CONF_FLASHIAP_BLOCK_DEVICE_BASE_ADDRESS == 0xFFFFFFFF)
00136 
00137     size_t flash_size;
00138     uint32_t start_address;
00139     uint32_t bottom_address;
00140     FlashIAP flash;
00141 
00142     int ret = flash.init();
00143     if (ret != 0) {
00144         return 0;
00145     }
00146 
00147     //Find the start of first sector after text area
00148     bottom_address = align_up(FLASHIAP_APP_ROM_END_ADDR, flash.get_sector_size(FLASHIAP_APP_ROM_END_ADDR));
00149     start_address = flash.get_flash_start();
00150     flash_size = flash.get_flash_size();
00151 
00152     ret = flash.deinit();
00153 
00154     static FlashIAPBlockDevice default_bd(bottom_address, start_address + flash_size - bottom_address);
00155 
00156 #else
00157 
00158     static FlashIAPBlockDevice default_bd;
00159 
00160 #endif
00161 
00162     return &default_bd;
00163 
00164 #else
00165 
00166     return NULL;
00167 
00168 #endif
00169 
00170 }
00171 
00172 MBED_WEAK FileSystem *FileSystem::get_default_instance()
00173 {
00174 #if COMPONENT_SPIF || COMPONENT_QSPIF || COMPONENT_DATAFLASH
00175 
00176     static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
00177     flash.set_as_default();
00178 
00179     return &flash;
00180 
00181 #elif COMPONENT_SD
00182 
00183     static FATFileSystem sdcard("sd", BlockDevice::get_default_instance());
00184     sdcard.set_as_default();
00185 
00186     return &sdcard;
00187 
00188 #elif COMPONENT_FLASHIAP
00189 
00190     static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
00191     flash.set_as_default();
00192 
00193     return &flash;
00194 
00195 #else
00196 
00197     return NULL;
00198 
00199 #endif
00200 
00201 }