Device and method for achieving dynamic FPGA program update and self-loading

Abstract

The invention discloses a device and method for achieving dynamic FPGA program update and self-loading. The device comprises a FLASH arranged outside a FPGA, wherein a guiding program which can be automatically loaded to the FPGA for running is arranged inside the FLASH and automatically receives use update program data when monitoring an FPGA program updating instruction to complete FLASH program programming and automatically load a successfully updated user program to the FPGA for running. The device can achieve a dynamic conventional program updating function, also ensures that the program starting time is not influenced and can achieve that the self-loading start speed completely depends on an FPGA device.

Description

technical field [0001] The invention relates to the technical field of program loading, in particular to a device and method for realizing dynamic upgrade and self-loading of FPGA programs. Background technique [0002] Most communication systems are composed of multiple extensions, and each extension has its own signal processing module inside, which corresponds to the corresponding program. With the development of communication systems in the direction of integration and comprehensiveness, there are higher requirements for the use of FPGA. Not only is it required that FPGA programs can be remotely and dynamically upgraded, but they must also be quickly loaded and run within a specified time. [0003] The common FPGA static upgrade method is to burn the FPGA program into the official adaptation FLASH through the JTAG port. The disadvantage of this method is that it needs to use the JTAG port, and there are many connections, which is not conducive to the dynamic maintenance...

AI Technical Summary

Problems solved by technology

[0005] Using the method of processor assistance can meet the requirements of dynamic upgrade of FPGA programs, but it will consume redundant hardware resources

At the same time, the integrated communication system usually requires the extension device to complete the program loading within a few seconds. If a third-party device is used to simulate the timing to load the program into the FPGA memory, it will take dozens of seconds for nearly 100 megabytes of data. Using self-loading only It takes 1 to 2 seconds, so this method cannot meet the needs of fast loading

Because DSP or other processing chips move the programs stored in external FLASH or DDR devices to FPGA through software simulation timing, in terms of loading time and reliability, it cannot be compared with the method of loading through FPGA chip itself. Compare

Images