CN102130951A - Server and method for remotely upgrading programmable logic device thereof - Google Patents
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Abstract
The invention discloses a server and a method for remotely upgrading a programmable logic device thereof, which relate to the field of research and development of server hardware and development of embedded software. The server disclosed by the invention comprises the programmable logic device and a BMC (Baseboard Management Controller), wherein the BMC is used for receiving data transmitted by a client through the Ethernet, converting received data into data of a data format accordant with a standard JTAG (Joint Test Action Group) protocol and burning the converted data into the programmable logic device through a general GPIO (General Purpose Input/Output) port to realize upgrading. In the embodiment of the invention, remote upgrading of the programmable logic device in the server is realized without increasing hardware resources of a server integrated circuit board. The server has the advantages of stable data transmission and high transmission speed.
Description
Technical field
The present invention relates to server hardware research and development and embedded software developing field, the remote upgrade method of particularly a kind of server and programmable logic device thereof.
Background technology
(programmable logic device PLD) is a kind of universal integrated circuit to programmable logic device, and its logic function is determined device programming according to the user.The integrated level of general PLD is very high, is enough to satisfy the needs of the general digital system of design.So just can by the designer programme voluntarily and a digital system " integrated " on a slice PLD, and needn't go for chip maker design and make special-purpose integrated circuit (IC) chip.
JTAG (Joint Test Action Group, combined testing action group) is a kind of international standard test protocol (IEEE 1149.1 compatibilities), is mainly used in the chip internal test.Most now high-grade device are all supported the JTAG agreement, as CPLD (Complex Programmable Logic Device, CPLD), DSP (Digital Signal Processing, Digital Signal Processing), FPGA (Field-Programmable Gate Array, field programmable gate array) device etc.The jtag interface of standard is 4 lines: TMS, TCK, TDI, TDO, is respectively model selection, clock, data input and DOL Data Output Line.JTAG is used for chip is tested at first, and basic principle is internal node to be tested by the jtag test instrument of special use at a device inside TAP of definition (Test Access Port, test access mouth).Jtag test allows a plurality of devices to be cascaded by jtag interface, forms a JTAG chain, can realize each device is tested respectively.
BMC (Baseboard Management Controller, baseboard management controller) supports the IPMI standard of industry standard.This specification description be built into management function on the mainboard.These functions comprise: local and remote diagnosis, control desk support, configuration management, hardware management and fault are got rid of.
Server is made up of a plurality of integrated circuit boards usually, all comprises one or more PLD chips on a lot of integrated circuit boards and comes control timing signal and transfer of data, and each PLD chip all includes one group of JTAG pin and is used for it is tested or firmware upgrade.In traditional server integrated circuit board, the JTAG pin of programmable logic device is guided the integrated circuit board outside into by an independent connector, and the engineer comes it is carried out this locality debugging by debugger.When product sales server was in user's hand, if there is defective in the firmware of finding programmable logic device this moment or problem such as lack perfection, the firmware of the programmable logic device that wants to upgrade again can only send the engineer to make house calls or with product recall.
Summary of the invention
Technical problem to be solved by this invention is how to realize the firmware of programmable logic device in the remote upgrade server.Therefore, the remote upgrade method of a kind of server and programmable logic device thereof is provided.
In order to address the above problem, the invention discloses a kind of server, comprise programmable logic device, baseboard management controller (BMC), wherein, described BMC receives the data that user side sends by Ethernet, received data are converted to the data format of conformance with standard combined testing action group (JTAG) agreement, and the data after will changing by general I/O (GPIO) port are burnt in the described programmable logic device to realize upgrading.
Preferably, in the above-mentioned server, described programmable logic device comprise following one or more:
CPLD (CPLD), field programmable gate array (FPGA), programmable logic device (PLD).
Preferably, in the above-mentioned server, described BMC is converted to the data format of conformance with standard JTAG agreement with received data, and the data after will changing by the GPIO port are burnt in the described programmable logic device and refer to:
Described BMC resolves received data, calls GPIO driving interface function, drives the GPIO port and generates simulation waveform, exports the signal waveform that is generated by the TDO port in the GPIO port to described programmable logic device, to carry out the data burning.
Preferably, in the time of signal waveform that described BMC is generated to the output of described programmable logic device by the TDO port, described BMC also reads the signal waveform of described programmable logic device feedback by the TDI port in the GPIO port, when the signal waveform of programmable logic device feedback and desired signal waveform are inconsistent, described BMC resends the signal waveform that is generated at described TDO port, and is correct to guarantee the data that are burnt in the described programmable logic device.
The invention also discloses the remote upgrade method of programmable logic device in a kind of as the above-mentioned server, comprising:
Described server via Ethernet receives the data that user side sends, received data are converted to the data format of conformance with standard JTAG agreement, and the data after will changing by general GPIO port are burnt in the described programmable logic device to realize upgrading.
Preferably, in the said method, described programmable logic device comprise following one or more:
CPLD (CPLD), field programmable gate array (FPGA), programmable logic device (PLD).
Preferably, in the said method, described server is converted to the data format of conformance with standard JTAG agreement with received data, and the data after will changing by the GPIO port are burnt in the described programmable logic device and refer to:
BMC in the described server resolves received data, call GPIO driving interface function, drive the GPIO port and generate simulation waveform, export the signal waveform that is generated by the TDO port in the GPIO port to described programmable logic device, to carry out the data burning.
Preferably, in the time of signal waveform that BMC in the described server is generated to the output of described programmable logic device by the TDO port, described BMC also reads the signal waveform of described programmable logic device feedback by the TDI port in the GPIO port, when the signal waveform of programmable logic device feedback and desired signal waveform are inconsistent, described BMC resends the signal waveform that is generated at described TDO port, and is correct to guarantee the data that are burnt in the described programmable logic device.
Do not increase the hardware resource of server integrated circuit board in the remote upgrade of the programmable logic device of the embodiment of the invention in realizing server.And it is stable to have transfer of data, the advantage that transmission speed is fast.
Description of drawings
Fig. 1 is the structural representation of server in the present embodiment 1.
Embodiment
Below in conjunction with drawings and the specific embodiments technical solution of the present invention is described in further details.Need to prove that under the situation of not conflicting, embodiment among the application and the feature among the embodiment be combination in any mutually.
Embodiment 1
Present embodiment provides a kind of server, can realize remote upgrade, and its structure comprises programmable logic device and BMC as shown in Figure 1, and wherein, in the present embodiment, programmable logic device comprises CPLD, FPGA and PLD.In other embodiments, programmable logic device is not limited to these devices, also can comprise other devices.
Wherein, BMC receives the data that user side sends by Ethernet, and received data are converted to the data format of conformance with standard JTAG agreement, and the data after will change by the GPIO port are burnt in the described programmable logic device realizing and upgrade.
In the present embodiment, on the server integrated circuit board, all programmable logic devices and BMC are linked into a complete loop, as shown in Figure 1.The user side data are transferred among the BMC by Internet, are come the user side data are decoded by BMC.As seen, the file format of user side data must be unified, otherwise the application program of resolution data bag can't be discerned among the BMC.And popular data format is SVF (Simple Vector Format, a simple vectorial type file format) at present.SVF is a kind of file format that is used for describing the JTAG link operation of industrial standard, is issued in 1994 by companies such as Compaqs.At present several big programmable logic device suppliers such as ALTERA and XILINX support to export the recordable paper of SVF form in its own PLD design tool.Therefore, in the present embodiment, the file format of user side data is unified to be SVF.
Particularly, server realizes that the process of remote upgrade mainly comprises following step:
User side utilizes selected PLD layout tools to generate the recordable paper of SVF form.
In BMC, transplant embedded OS, as Linux.
In BMC, transplant embedded web server, as Boa based on embedded OS.
The IP address that the login embedded web server provides, the network service function of utilizing embedded web server to provide, the data (being the file of SVF form) that user side is sent upload in the internal memory of BMC.
BMC writes the thread that is used to resolve the SVF file, call bottom GPIO driving interface function simultaneously, drive GPIO and generate simulation waveform, promptly export the signal waveform that is generated to programmable logic device, carry out the data burning to finish firmware upgrade by the TDO port in the GPIO port.Because present embodiment utilizes the GPIO of BMC to simulate the JTAG agreement, the timing waveform that GPIO produces is vulnerable to the influences such as interruption of BMC, with the requirement of JTAG agreement deviation is arranged, and causes the firmware upgrade failure easily.Therefore, when BMC opens the thread of firmware upgrade, close or suspend non-essential interruption and other thread, guarantee the correctness of GPIO output waveform.
Also have in some preferred versions, consider that electromagnetic radiation is more serious in the server, signal is subjected to electromagnetic interference easily and distorts in transmittance process, must carry out verification to guarantee the correctness of program running.Therefore, the JTAG chain is a complete closed loop link (as shown in Figure 1) in the present embodiment, outwards exports the signal waveform that is generated by the TDO that simulates among the BMC, is read the signal waveform of programmable logic device feedback simultaneously by the TDI that simulates among the BMC.And TDI read the signal waveform that feeds back and desired signal waveform (signal waveform that should feed back after the correct reception data of promptly pre-estimating) compares, if inconsistent situation occurs, think that then transfer of data has problem, promptly resend, to guarantee to be burnt to the correctness of the data in the programmable logic device at the TDO end.
Embodiment 2
Present embodiment is introduced the remote upgrade procedure of programmable logic device in the server that embodiment 1 proposed, be server by utilizing BMC wherein, long-distance user's end data is burnt in the server integrated circuit board programmable logic device, to realize the firmware of programmable logic device in the remote upgrade server.Particularly, this process is as follows:
The embedded Web service module of BMC in the server transfers to data the BMC internal memory from remote user end;
BMC by GPIO (General Purpose Input Output, general I/O) port simulation JTAG agreement, goes into received data (being the data in the BMC internal memory) burning in the programmable logic device again.Particularly, BMC in the server resolves received data, calls GPIO driving interface function, drives the GPIO port and generates simulation waveform, export the signal waveform that is generated by the TDO port in the GPIO port to programmable logic device, to carry out the data burning.
In the present embodiment, programmable logic device comprises one or more among CPLD, FPGA and the PLD.In other embodiments, programmable logic device is not limited to these devices, also can comprise other devices.
Also have in some preferred versions, in the time of signal waveform that BMC in the server is generated to programmable logic device output by the TDO port, BMC also reads the signal waveform of programmable logic device feedback by the TDI port in the GPIO port, when the signal waveform of programmable logic device feedback and desired signal waveform are inconsistent, BMC thinks that the data of burning are wrong, therefore resend the signal waveform that is generated at the TDO port, correct to guarantee the data that are burnt in the described programmable logic device.
From the foregoing description as can be seen, the embodiment of the invention utilizes BMC to come the programmable logic device in the server is controlled upgrading, therefore, does not increase the hardware resource of server integrated circuit board when realizing Long-distance Control.In addition, the embodiment of the invention adopts Ethernet to carry out remote data transmission, and therefore, it is stable to have transfer of data, the advantage that transmission speed is fast.
The above is a preferred embodiments of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a server comprises programmable logic device, it is characterized in that,
This server also comprises baseboard management controller (BMC), described BMC, receive the data that user side sends by Ethernet, received data are converted to the data format of conformance with standard combined testing action group (JTAG) agreement, and the data after will changing by general I/O (GPIO) port are burnt in the described programmable logic device to realize upgrading.
2. server as claimed in claim 1 is characterized in that, described programmable logic device comprise following one or more:
CPLD (CPLD), field programmable gate array (FPGA), programmable logic device (PLD).
3. server as claimed in claim 1 or 2 is characterized in that,
Described BMC is converted to the data format of conformance with standard JTAG agreement with received data, and the data after will changing by the GPIO port are burnt in the described programmable logic device and refer to:
Described BMC resolves received data, calls GPIO driving interface function, drives the GPIO port and generates simulation waveform, exports the signal waveform that is generated by the TDO port in the GPIO port to described programmable logic device, to carry out the data burning.
4. server as claimed in claim 3 is characterized in that,
In the time of signal waveform that described BMC is generated to the output of described programmable logic device by the TDO port, described BMC also reads the signal waveform of described programmable logic device feedback by the TDI port in the GPIO port, when the signal waveform of programmable logic device feedback and desired signal waveform are inconsistent, described BMC resends the signal waveform that is generated at described TDO port, and is correct to guarantee the data that are burnt in the described programmable logic device.
5. the remote upgrade method of programmable logic device in the server as claimed in claim 1 is characterized in that this method comprises:
Described server via Ethernet receives the data that user side sends, received data are converted to the data format of conformance with standard combined testing action group (JTAG) agreement, and the data after will changing by general I/O (GPIO) port are burnt in the described programmable logic device to realize upgrading.
6. method as claimed in claim 5 is characterized in that, described programmable logic device comprise following one or more:
CPLD (CPLD), field programmable gate array (FPGA), programmable logic device (PLD).
7. as claim 5 or 6 described methods, it is characterized in that,
Described server is converted to the data format of conformance with standard JTAG agreement with received data, and the data after will changing by the GPIO port are burnt in the described programmable logic device and refer to:
BMC in the described server resolves received data, call GPIO driving interface function, drive the GPIO port and generate simulation waveform, export the signal waveform that is generated by the TDO port in the GPIO port to described programmable logic device, to carry out the data burning.
8. method as claimed in claim 7 is characterized in that,
In the time of signal waveform that BMC in the described server is generated to the output of described programmable logic device by the TDO port, described BMC also reads the signal waveform of described programmable logic device feedback by the TDI port in the GPIO port, when the signal waveform of programmable logic device feedback and desired signal waveform are inconsistent, described BMC resends the signal waveform that is generated at described TDO port, and is correct to guarantee the data that are burnt in the described programmable logic device.
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| CN108107351A (en) * | 2017-12-06 | 2018-06-01 | 西安智多晶微电子有限公司 | Adjustment method, debugger and the system of JTAG debuggers |
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| CN108304231A (en) * | 2018-03-07 | 2018-07-20 | 山东超越数控电子股份有限公司 | One kind is by JTAG link into the newer method of line program |
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| CN111309353A (en) * | 2020-01-20 | 2020-06-19 | 山东超越数控电子股份有限公司 | Method and device for updating FPGA (field programmable Gate array) firmware of operation board based on server control board |
| CN111736867A (en) * | 2020-06-05 | 2020-10-02 | 浪潮电子信息产业股份有限公司 | FPGA updating device, method and storage medium |
| CN113220524A (en) * | 2021-04-27 | 2021-08-06 | 北京百度网讯科技有限公司 | Monitoring system, method and device of micro server and electronic equipment |
| CN113407223A (en) * | 2021-06-28 | 2021-09-17 | 新华三信息安全技术有限公司 | Programmable logic device online upgrading method and system |
| CN113641406A (en) * | 2021-10-14 | 2021-11-12 | 阿里云计算有限公司 | Hardware management method and device |
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