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Method and device for loading digital signal processor

A digital signal and processor technology, applied in the field of network communication, can solve problems such as the inability to store software versions, the inability to increase software version loading, etc.

Active Publication Date: 2013-01-23
ZTE CORP
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The technical problem solved by the present invention is to provide a loading method of a digital signal processor to solve the problem that the board card cannot store its software version or add an Ethernet switch chip due to factors such as limited area or power consumption. Software version loading problem; the present invention also provides a loading device for a data signal processor

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  • Method and device for loading digital signal processor

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Embodiment Construction

[0048] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] Such as figure 1 As shown, it is a flow chart of the first embodiment of the present invention, which provides a loading method of a digital signal processor, including:

[0050] Step S101, the CPU of the main control board and the service board completes the startup and initialization;

[0051] Step S102, the service board CPU triggers the DSP reset, and after the DSP resets, it obtains RCW from its external EEPROM, and completes basic register parameters and working mode settings, for example, DDR2 / 3 controller initialization, and selection of...

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Abstract

The invention relates to a method for loading a digital signal processor. The method comprises the following steps: a DSP (digital signal processor) enters into a software loading mode after being reset; a software loading request packet is broadcasted; a service board CPU (central processing unit) reads a DSP configuration software version from BOOT FLASH and load the DSP configuration software version to the DSP after receiving the software loading request packet; a communication mode of an IP (internet protocol) data packet is built between the DSP and a network interface of the service board CPU according to the configuration software version; the DSP transmits a software version loading request to a master control board CPU; the master control board CPU reads the software version and load the software version to the DSP from the FLASH, and the DSP operates the software version. The invention also provides a device for loading the digital signal processor. By adopting the technical scheme disclosed by the invention, the contradiction that a capacity space of the service board FLASH is finitude and the DSP software version cannot be stored is solved. Meanwhile, apparatuses such as an Ethernet exchange chip are not needed, so that the requirements of miniaturization and green and energy-saving of a board are met.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a loading method and device for a digital signal processor. Background technique [0002] With the popularity of 3G (3rd Generation, third-generation mobile communication technology) and the rise of fourth-generation mobile communication technologies such as LTE (Long Term Evolution, long-term evolution), the performance of DSP (Digital Signal Processor, digital signal processor) in Continuously improving, high-speed communication interfaces such as SRIO (Serial Rapid I / O, Serial Rapid I / O), SGMII (Serial Gigabit Media Independent Interface, Serial Gigabit Media Independent Interface) have become mainstream interfaces on DSP. The application of the high-speed serial interface reduces the difficulty of layout and wiring of the board design and reduces the area of ​​the board. [0003] The DSP can load the software version program through the SRIO interface or the SGMII interf...

Claims

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Application Information

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IPC IPC(8): G06F9/445
Inventor 班卫全陈泽强
Owner ZTE CORP
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