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CoreMMC: add initial coremmc-miv-rv32-examples
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driver-examples/CoreMMC/miv-rv32-coremmc-mmc_read_back/.cproject
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driver-examples/CoreMMC/miv-rv32-coremmc-mmc_read_back/.gitignore
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| /.settings/ | ||
| /*miv-rv32-imc-debug*/ | ||
| /*miv-rv32-imc-release*/ |
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driver-examples/CoreMMC/miv-rv32-coremmc-mmc_read_back/.project
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <projectDescription> | ||
| <name>miv-rv32-coremmc-mmc_read_back</name> | ||
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driver-examples/CoreMMC/miv-rv32-coremmc-mmc_read_back/README.md
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| # CoreMMC MMC Write and Read back example | ||
|
|
||
| This project writes a block of data to the eMMC (embedded Multi-Media Card) | ||
| device, reads the block back and performs a read-back check to ensure that the | ||
| data is valid. | ||
|
|
||
| The eMMC block size in this example is fixed to 512 Bytes, which is the standard | ||
| for eMMC devices which have a storage capacity of greater than 2GB. | ||
|
|
||
| There are two different build configurations provided with this project which configure | ||
| this SoftConsole project for RISC-V IMC instruction extension. | ||
| The following configurations are provided with the example. | ||
|
|
||
| - miv-rv32-imc-debug | ||
| - miv-rv32-imc-release | ||
|
|
||
| ## How to use this example | ||
|
|
||
| - Connect via the board's USB-UART serial cable to a host PC running a terminal | ||
| emulator such as TeraTerm or PuTTY configured as follows: | ||
| - 115200 baud | ||
| - 8 data bits | ||
| - 1 stop bit | ||
| - no parity | ||
| - no flow control | ||
| - Run the example project using a debugger. | ||
|
|
||
| The terminal emulator command line interface will display (through UART) the status | ||
| of the write and read operations to the eMMC device. | ||
|
|
||
| ## fpga_design_config (formerly known as hw_config.h) | ||
|
|
||
| The SoftConsole project targeted for Mi-V processors now uses an improved directory | ||
| structure. | ||
| The `fpga_design_config.h` must be stored as shown below: | ||
|
|
||
| `<project-root>/boards/<board-name>/fpga_design_config/fpga_design_config.h` | ||
|
|
||
| Currently, this file must be hand crafted when using the Mi-V Soft Processor. | ||
| In future, all the design and soft IP configurations will be automatically generated | ||
| from the Libero design description data. | ||
|
|
||
| You can use the sample file provided with MIV_RV32 HAL as an example. | ||
| Rename it from `sample_fpga_design_config.h` to `fpga_design_config.h` and then customize | ||
| it per your hardware design such as `SYS_CLK_FREQ`, peripheral BASE addresses, interrupt | ||
| umbers, definition of `MSCC_STDIO_UART_BASE_ADDR` if you want a CoreUARTapb mapped | ||
| to STDIO, etc. | ||
|
|
||
| ## Target hardware | ||
|
|
||
| This example can be targeted at the latest Mi-V Soft Processor MIV_RV32. | ||
| Choose the build configurations per the target processor in your design and the supported | ||
| ISA extensions that you want to use. | ||
|
|
||
| All the design specific definitions such as peripheral base addresses, system clock | ||
| frequency etc. are included in fpga_design_config.h(hw_config.h). | ||
|
|
||
| This project has been tested on the following board with the MIV_RV32 IMC Core: | ||
|
|
||
| - Smart Fusion 2 Development Kit (Revision C) (M2S050T-FG896) | ||
|
|
||
| The Smart Fusion 2 Development Kit has a SanDisk SDIN5C2-8G eMMC device on-board. | ||
|
|
||
| The design for this sample program needs to contain a single instance of the CoreMMC | ||
| configured to an MMC Data Width and FIFO depth of your choice. | ||
| The driver supports all possible configurations of these parameters automatically. | ||
|
|
||
| This example project can be used with another design using a different hardware | ||
| configuration. This can be achieved by overwriting the content of this example project's | ||
| "fpga_design_config.h(hw_config.h)" file with the correct data from your Libero design. | ||
|
|
||
| ## Silicon revision dependencies | ||
|
|
||
| This example is tested on Smart Fusion 2 Development Kit (Revision C) (M2S050T-FG896) |
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...es/CoreMMC/miv-rv32-coremmc-mmc_read_back/miv-rv32-coremmc-mmc_read_back hw attach.launch
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...les/CoreMMC/miv-rv32-coremmc-mmc_read_back/miv-rv32-coremmc-mmc_read_back hw debug.launch
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