Flexibly configured programmable system-on-chip chip and starting configuration method thereof
A system-on-a-chip, flexible technology, applied in the field of integrated circuits, can solve the problems of single configuration method and inability to configure object-oriented, and achieve the effect of improving diversification and controllability
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Embodiment 1
[0049] Embodiment 1. In this embodiment, the chip core startup data is stored in an embedded storage module. In this embodiment, the embedded storage module is an SPI Flash chip. The FPGA configuration data is stored in an external memory. The external memory is a NOR Flash chip in this embodiment.
[0050] S11. The boot configuration module first moves the kernel boot data from the SPI Flash chip to the memory of the chip kernel module, and the memory is a high-speed cache integrated by the kernel. After the data transfer is completed, the chip kernel fetches instructions from the memory to execute the power-on startup program;
[0051] S12. After the kernel module completes the startup, the kernel module will notify the startup configuration module that the FPGA configuration data is stored in an external memory, and the external memory is a NOR Flash chip in this embodiment. At the same time, the kernel module will also configure the offset address of the FPGA configuration dat...
Embodiment 2
[0053] Embodiment 2. In this embodiment, the chip core startup data is stored in an external memory. The external memory is a NAND Flash chip in this embodiment, and the FPGA configuration data is stored on an on-chip bus controlled by the universal peripheral interface control module. On the mounted related interface peripherals, the external memory in this embodiment is an SPI Flash controlled by an SPI controller.
[0054] S21. The boot configuration module first moves the core boot data from the NAND Flash chip through the on-chip bus to the memory of the chip core module, where the memory is a high-speed cache integrated by the core. After the data transfer is completed, the chip kernel fetches instructions from the memory to execute the power-on startup program;
[0055] S22. After the kernel finishes booting, the kernel module will notify the boot configuration module, and the FPGA configuration data is stored in the peripheral controlled by the general peripheral interface ...
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Abstract
Description
Claims
Application Information
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