CN107832071A - A kind of server power supply automatic program burning system and method - Google Patents
A kind of server power supply automatic program burning system and method Download PDFInfo
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- CN107832071A CN107832071A CN201711100140.6A CN201711100140A CN107832071A CN 107832071 A CN107832071 A CN 107832071A CN 201711100140 A CN201711100140 A CN 201711100140A CN 107832071 A CN107832071 A CN 107832071A
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- logic control
- chip
- firmware
- management controller
- server
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
Abstract
The present invention provides a kind of server power supply automatic program burning system and method, including server master board, logic control element is provided with server master board, logic control element is connected with baseboard management controller BMC, main power source chip and digital power chip, and digital power chip is also connected with baseboard management controller BMC, logic control element and main power source chip.Method：It is 1. electric on server system；2. logic control element sends firmware inspection request to baseboard management controller BMC；Logic control element control main power source chip is enabled, and power supply is provided for digital power chip；3. baseboard management controller BMC is checked the firmware and its version of digital power supply chip；4. it is obstructed out-of-date that firmware checks, baseboard management controller BMC carries out firmware burning according to the firmware and its version information of storage to digital power supply chip, and after the completion of burning, notification logic control unit restarts server system.
Description
Technical field
The invention belongs to server automated field, and in particular to a kind of server power supply automatic program burning system and side
Method.
Background technology
VR, Voltage regulator abbreviation, voltage regulator.
In the application of server, especially high-end server, VR power supply sides used in CPU/ memory parts in system
Case uses digital power chip more, and digital power chip includes microprocessor, state machine and communications peripheral and simple logic electricity
Road, possesses many advantages, such as electric source topology is flexible, efficiency is higher, reliance security is strong, programmable configuration inner parameter.Service
Each digital power chip of application in device system, due to PCB design difference, it is necessary to configure different firmwares to adapt to reality
Use demand, and digital power chip manufacturer dispatches from the factory, the firmware of configuration often takes default configuration, it is necessary in PCB process
In digital power supply chip firmware is updated.The management and control of digital power chip firmware is more by server board processing factory in PCB
Process segment carries out offline burning to chip, burning mistake or non-burning risk be present.Most of when normal server is started shooting
Do not carry out digital power chip firmware inspection, if in digital power chip burning firmware version mistake, may result in clothes
Business device fluctuation of service, the damage such as CPU/ internal memories is resulted even in when serious.
This is the deficiencies in the prior art, therefore, for drawbacks described above of the prior art, there is provided a kind of server power supply journey
The automatic programming system of sequence and method, are necessary.
The content of the invention
It is an object of the present invention to cause server when being directed to above-mentioned digital power chip firmware burning mistake or non-burning
Operation is unstable so that the defects of damaging CPU and internal memory, there is provided a kind of server power supply automatic program burning system and method, with solution
Certainly above-mentioned technical problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of server power supply automatic program burning system, including server master board, logic control is provided with server master board
Unit, logic control element are connected with baseboard management controller BMC, main power source chip and digital power chip, digital power
Chip is also connected with baseboard management controller BMC, logic control element and main power source chip；
Logic control element, for controlling the enabled state of main power source chip and digital power supply chip on server master board；With
Asked in sending firmware inspection to baseboard management controller BMC；For according to the firmware inspection for receiving baseboard management controller BMC
Come to an end fruit, controls server system；
Baseboard management controller BMC, when being asked for receiving the firmware inspection that logic control element is sent, to digital power core
The firmware and its version of piece are checked；It is obstructed out-of-date that firmware checks, according to the firmware of storage and its version information to digital electricity
Source chip carries out firmware burning, and after the completion of burning, notification logic control unit restarts server system；After the completion of burning, substrate
Management Controller BMC restarts server system by sending 1Hz square-wave signal notification logic control units；
Main power source chip, for providing working power for the digital power chip on server master board.Baseboard management controller BMC
The firmware and its version information of digital power chip are inside stored with advance.
Further, when firmware inspection passes through, baseboard management controller BMC notification logic control units, logic control list
Member control digital power chip enables, and controls server system normal boot-strap.Baseboard management controller BMC is by sending low level
Notification logic control unit can be with normal boot-strap.
Further, logic control element is also associated with trigger element, and logic control element receives touching for trigger element
During signalling, firmware inspection request is sent to baseboard management controller BMC.
Further, trigger element uses debugging interface debug header.
Further, logic control element uses complex programmable logic device (CPLD).
Further, baseboard management controller BMC is communicated by I2C buses with digital power chip.
Further, the quantity of digital power chip is several, and each digital power chip controls with substrate management and control
Device BMC, logic control element and the connection of main power source chip；Baseboard management controller BMC is carried out to all digital power chips
Poll accesses.
The present invention gives following technical scheme：
A kind of automatic method for burn-recording of server power supply program, comprises the following steps：
It is electric on step 1. server system；
Step 2. logic control element sends firmware inspection request to baseboard management controller BMC；
Logic control element control main power source chip is enabled, and power supply is provided for digital power chip；
Step 3. baseboard management controller BMC is checked the firmware and its version of digital power supply chip；
It is obstructed out-of-date that step 4. firmware checks, baseboard management controller BMC is according to the firmware and its version information of storage to numeral
Power supply chip carries out firmware burning, and after the completion of burning, notification logic control unit restarts server system.After the completion of burning, base
Board management controller BMC restarts server system by sending 1Hz square-wave signal notification logic control units.
Further, when firmware inspection passes through, baseboard management controller BMC notification logic control units；
Logic control element, control digital power chip enable, and control server system normal boot-strap.Baseboard management controller
BMC can be with normal boot-strap by sending low level notification logic control unit.
Further, when logic control element receives trigger signal in step 2, sent to baseboard management controller BMC
Firmware inspection is asked.
The beneficial effects of the present invention are：
The present invention realizes the digital power chip firmware automatic Verification inspection in server start process, the mistake of automatic burning
Journey, it is possible to prevente effectively from burning or leaking burning digital power chip firmware due to wrong in process of manufacture, and cause server system
System is abnormal, and server system reliability and stability are effectively ensured.
In addition, design principle of the present invention is reliable, and it is simple in construction, there is very extensive application prospect.
As can be seen here, the present invention is compared with prior art, with prominent substantive distinguishing features and significantly progressive, its implementation
Beneficial effect be also obvious.
Brief description of the drawings
Fig. 1 is the system connection diagram of the present invention；
Fig. 2 is the system connection diagram of the embodiment of the present invention；
Fig. 3 is flow chart of the method for the present invention；
Wherein, 1- logic control elements；2- baseboard management controllers BMC；3- main power source chips；4- digital power chips；4.1-
First digital power chip；4.2- the second digital power chips；The digital power chips of 4.3- the 3rd；5- trigger elements；6- is serviced
Device mainboard.
Embodiment：
To enable the purpose of the present invention, feature, advantage more obvious and understandable, it is embodied below in conjunction with the present invention
Accompanying drawing in example, the technical scheme in the present invention is clearly and completely described.
As shown in figure 1, the present invention provides a kind of server power supply automatic program burning system, including server master board 6, clothes
Logic control element 1 is provided with business device mainboard 6, logic control element 1 is connected with baseboard management controller BMC 2, main power source
Chip 3 and digital power chip 4, digital power chip 4 also with baseboard management controller BMC 2, logic control element 1 and
Main power source chip 3 connects；
Logic control element 1, for controlling the enabled shape of main power source chip 3 and digital power supply chip 4 on server master board 6
State；For sending firmware inspection request to baseboard management controller BMC 2；Baseboard management controller BMC is received for basis
2 firmware inspection result, control server system；Logic control element 1 uses complex programmable logic device (CPLD)；Substrate pipe
Reason controller BMC 2 is communicated by I2C buses with digital power chip 4；
Baseboard management controller BMC 2, when being asked for receiving the firmware inspection that logic control element 1 is sent, to digital electricity
The firmware and its version of source chip 4 are checked；
It is obstructed out-of-date that firmware checks, carries out firmware burning to digital power supply chip 4 according to the firmware of storage and its version information, burns
After the completion of record, notification logic control unit 1 restarts server system；After the completion of burning, baseboard management controller BMC 2 passes through hair
1Hz square-wave signal notification logics control unit 1 is sent to restart server system；
When firmware inspection passes through, the notification logic control units 1 of baseboard management controller BMC 2, logic control element 1 controls numeral
Power supply chip 4 is enabled, controls server system normal boot-strap.Baseboard management controller BMC 2 is patrolled by sending low level notice
Collecting control unit 1 can be with normal boot-strap；
Main power source chip 3, for providing working power for the digital power chip 4 on server master board 6.Baseboard management controller
The firmware and its version information of digital power chip 4 are stored with BMC 2 in advance.
As shown in figure 3, the present invention provides a kind of automatic method for burn-recording of server power supply program, comprise the following steps：
It is electric on step 1. server system；
When step 2. logic control element receives trigger signal, firmware inspection request is sent to baseboard management controller BMC；
Logic control element control main power source chip is enabled, and power supply is provided for digital power chip；
Step 3. baseboard management controller BMC is checked the firmware and its version of digital power supply chip；
It is obstructed out-of-date that step 4. firmware checks, baseboard management controller BMC is according to the firmware and its version information of storage to numeral
Power supply chip carries out firmware burning, and after the completion of burning, notification logic control unit restarts server system.After the completion of burning, base
Board management controller BMC restarts server system by sending 1Hz square-wave signal notification logic control units；
When firmware inspection passes through, baseboard management controller BMC notification logic control units；Logic control element controls digital power
Chip enables, and controls server system normal boot-strap；Baseboard management controller BMC is single by sending the control of low level notification logic
Member can be with normal boot-strap.
As shown in Fig. 2 the embodiment of the present invention provides a kind of server power supply automatic program burning system, including server master
Plate 6, is provided with logic control element 1 on server master board 6, logic control element 1 be connected with baseboard management controller BMC 2,
Main power source chip 3, the first digital power chip 4.1, the second digital power chip 4.2 and the 3rd digital power chip 4.3, three
Individual digital power supply chip is connected with baseboard management controller BMC 2, logic control element 1 and main power source chip 3；Logic control
Unit 1 processed uses complex programmable logic device (CPLD)；Baseboard management controller BMC 2 passes through I2C buses and three numeral electricity
Source chip is communicated, to the first digital power chip 4.1, the second digital power chip 4.2 and the 3rd digital power chip
4.3 are polled access；
Logic control element 1, for control on server master board 6 main power source chip 3 and three digital power supply chips it is enabled
State；For sending firmware inspection request to baseboard management controller BMC 2；Baseboard management controller is received for basis
BMC 2 firmware inspection result, control server system；
Baseboard management controller BMC 2, when being asked for receiving the firmware inspection that logic control element 1 is sent, to every number
The firmware and its version of word power supply chip are checked；
It is obstructed out-of-date that firmware checks, firmware burning is carried out to respective digital power supply chip according to the firmware of storage and its version information
Record, after the completion of burning, notification logic control unit 1 restarts server system；After the completion of burning, baseboard management controller BMC 2
Restart server system by sending 1Hz square-wave signal notification logics control unit 1；
When firmware inspection passes through, the notification logic control units 1 of baseboard management controller BMC 2, logic control element 1 controls three
Digital power chip enables, and controls server system normal boot-strap.Baseboard management controller BMC 2 is notified by sending low level
Logic control element 1 can be with normal boot-strap；
Main power source chip 3, for providing working power for three digital power supply chips on server master board 6.Substrate management control
The firmware and its version information of three digital power supply chips are stored with device BMC 2 processed in advance；
Logic control element 1 is also associated with trigger element 5, when logic control element 1 receives the trigger signal of trigger element 5,
Firmware inspection request is sent to baseboard management controller BMC 2；Trigger element 5 is using debugging interface debug header.
The automatic method for burn-recording of server power supply program based on system shown in Figure 2, comprises the following steps：
It is electric on step 1. server system；
When step 2. logic control element 1 receives the trigger signal of trigger element 5, sent to baseboard management controller BMC 2
Firmware inspection is asked；
Logic control element 1 controls main power source chip 3 enabled, is the first digital power chip 4.1, the second digital power chip
4.2 and the 3rd digital power chip 4.3 provide power supply；
Step 3. baseboard management controller BMC 2 is by I2C buses to the first digital power chip 4.1, the second digital power core
Piece 4.2 and the poll of the 3rd digital power chip 4.3 carry out the inspection of firmware and its version；
It is obstructed out-of-date that step 4. firmware checks, baseboard management controller BMC2 is according to the firmware and its version information of storage to first
Digital power chip 4.1, the second digital power chip 4.2 and the 3rd digital power chip 4.3 carry out firmware burning, and burning is complete
Cheng Hou, notification logic control unit 1 restart server system.After the completion of burning, baseboard management controller BMC2 is by sending 1Hz
Square-wave signal notification logic control unit 1 restarts server system；
When firmware inspection passes through, the notification logic control units 1 of baseboard management controller BMC 2；The control of logic control element 1 first
Digital power chip 4.1, the second digital power chip 4.2 and the 3rd digital power chip 4.3 are enabled, control server system
Normal boot-strap；Baseboard management controller BMC 2 can be with normal boot-strap by sending low level notification logic control unit 1.
CPU, Central Processing Unit abbreviation, central processing unit.
CPLD, Complex Programmable Logic Device abbreviation, CPLD.
BMC, Baseboard Management Controller abbreviation, baseboard management controller.
I2C, Inter-Integrated Circuit abbreviation, twin wire universal serial bus.
Embodiments of the invention are illustrative and not restrictive, and above-described embodiment is only to aid in understanding the present invention, because
This is every by those skilled in the art's technique according to the invention the invention is not restricted to the embodiment described in embodiment
Other embodiments that scheme is drawn, also belong to the scope of protection of the invention.
Claims (10)
1. a kind of server power supply automatic program burning system, it is characterised in that including server master board, set on server master board
Logic control element is equipped with, logic control element is connected with baseboard management controller BMC, main power source chip and digital power core
Piece, digital power chip are also connected with baseboard management controller BMC, logic control element and main power source chip；
Logic control element, for controlling the enabled state of main power source chip and digital power supply chip on server master board；With
Asked in sending firmware inspection to baseboard management controller BMC；For according to the firmware inspection for receiving baseboard management controller BMC
Come to an end fruit, controls server system；
Baseboard management controller BMC, when being asked for receiving the firmware inspection that logic control element is sent, to digital power core
The firmware and its version of piece are checked；It is obstructed out-of-date that firmware checks, according to the firmware of storage and its version information to digital electricity
Source chip carries out firmware burning, and after the completion of burning, notification logic control unit restarts server system；
Main power source chip, for providing working power for the digital power chip on server master board.
2. a kind of server power supply automatic program burning system as claimed in claim 1, it is characterised in that firmware inspection passes through
When, baseboard management controller BMC notification logic control units, logic control element control digital power chip enables, control clothes
Business device system normal boot-strap.
A kind of 3. server power supply automatic program burning system as claimed in claim 1, it is characterised in that logic control element
Trigger element is also associated with, when logic control element receives the trigger signal of trigger element, is sent out to baseboard management controller BMC
Firmware inspection is sent to ask.
4. a kind of server power supply automatic program burning system as claimed in claim 3, it is characterised in that trigger element is adopted
With debugging interface debug header.
A kind of 5. server power supply automatic program burning system as claimed in claim 1, it is characterised in that logic control element
Using complex programmable logic device (CPLD).
A kind of 6. server power supply automatic program burning system as claimed in claim 1, it is characterised in that substrate management control
Device BMC processed is communicated by I2C buses with digital power chip.
A kind of 7. server power supply automatic program burning system as claimed in claim 1, it is characterised in that digital power chip
Quantity be several, each digital power chip with substrate management and control controller BMC, logic control element and main power source core
Piece connects；Baseboard management controller BMC is polled access to all digital power chips.
8. a kind of automatic method for burn-recording of server power supply program, it is characterised in that comprise the following steps：
It is electric on step 1. server system；
Step 2. logic control element sends firmware inspection request to baseboard management controller BMC；
Logic control element control main power source chip is enabled, and power supply is provided for digital power chip；
Step 3. baseboard management controller BMC is checked the firmware and its version of digital power supply chip；
It is obstructed out-of-date that step 4. firmware checks, baseboard management controller BMC is according to the firmware and its version information of storage to numeral
Power supply chip carries out firmware burning, and after the completion of burning, notification logic control unit restarts server system.
9. a kind of automatic method for burn-recording of server power supply program as claimed in claim 8, it is characterised in that firmware inspection passes through
When, baseboard management controller BMC notification logic control units；
Logic control element, control digital power chip enable, and control server system normal boot-strap.
A kind of 10. automatic method for burn-recording of server power supply program as claimed in claim 8, it is characterised in that logic in step 2
When control unit receives trigger signal, firmware inspection request is sent to baseboard management controller BMC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711100140.6A CN107832071A (en) | 2017-11-09 | 2017-11-09 | A kind of server power supply automatic program burning system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711100140.6A CN107832071A (en) | 2017-11-09 | 2017-11-09 | A kind of server power supply automatic program burning system and method |
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| CN201711100140.6A Pending CN107832071A (en) | 2017-11-09 | 2017-11-09 | A kind of server power supply automatic program burning system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109101270A (en) * | 2018-08-31 | 2018-12-28 | 郑州云海信息技术有限公司 | Firmware version inspection method and device, storage medium and electronic equipment |
| CN109101249A (en) * | 2018-08-30 | 2018-12-28 | 郑州云海信息技术有限公司 | A kind of method for burn-recording of CPLD, device and storage card |
| CN110908673A (en) * | 2018-10-31 | 2020-03-24 | 研祥智能科技股份有限公司 | Digital power supply chip burning method |
| CN111045366A (en) * | 2019-12-24 | 2020-04-21 | 杭州迪普科技股份有限公司 | Digital power supply loading system and electronic equipment |
| CN111625266A (en) * | 2020-05-28 | 2020-09-04 | 北京天海微电子信息技术有限公司 | Firmware burning device |
| CN113064813A (en) * | 2021-03-04 | 2021-07-02 | 山东英信计算机技术有限公司 | Board-mounted firmware version detection method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136006A (en) * | 2011-11-28 | 2013-06-05 | 英业达科技有限公司 | Method of updating firmware |
| CN103995575A (en) * | 2014-05-27 | 2014-08-20 | 浪潮(北京)电子信息产业有限公司 | Server starting method and server |
| US20140351571A1 (en) * | 2013-05-23 | 2014-11-27 | Cisco Technology, Inc. | Out of band management of basic input/output system secure boot variables |
| US20160147604A1 (en) * | 2014-11-25 | 2016-05-26 | Inventec (Pudong) Technology Corporation | Server system |
| CN106294045A (en) * | 2016-05-11 | 2017-01-04 | 深圳市国鑫恒宇科技有限公司 | A kind of method based on BMC Aulomatizeted Detect burning main board power supply module chip data |
-
2017
- 2017-11-09 CN CN201711100140.6A patent/CN107832071A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136006A (en) * | 2011-11-28 | 2013-06-05 | 英业达科技有限公司 | Method of updating firmware |
| US20140351571A1 (en) * | 2013-05-23 | 2014-11-27 | Cisco Technology, Inc. | Out of band management of basic input/output system secure boot variables |
| CN103995575A (en) * | 2014-05-27 | 2014-08-20 | 浪潮(北京)电子信息产业有限公司 | Server starting method and server |
| US20160147604A1 (en) * | 2014-11-25 | 2016-05-26 | Inventec (Pudong) Technology Corporation | Server system |
| CN106294045A (en) * | 2016-05-11 | 2017-01-04 | 深圳市国鑫恒宇科技有限公司 | A kind of method based on BMC Aulomatizeted Detect burning main board power supply module chip data |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109101249A (en) * | 2018-08-30 | 2018-12-28 | 郑州云海信息技术有限公司 | A kind of method for burn-recording of CPLD, device and storage card |
| CN109101270A (en) * | 2018-08-31 | 2018-12-28 | 郑州云海信息技术有限公司 | Firmware version inspection method and device, storage medium and electronic equipment |
| CN110908673A (en) * | 2018-10-31 | 2020-03-24 | 研祥智能科技股份有限公司 | Digital power supply chip burning method |
| CN110908673B (en) * | 2018-10-31 | 2022-05-20 | 研祥智能科技股份有限公司 | Digital power supply chip burning method |
| CN111045366A (en) * | 2019-12-24 | 2020-04-21 | 杭州迪普科技股份有限公司 | Digital power supply loading system and electronic equipment |
| CN111625266A (en) * | 2020-05-28 | 2020-09-04 | 北京天海微电子信息技术有限公司 | Firmware burning device |
| CN113064813A (en) * | 2021-03-04 | 2021-07-02 | 山东英信计算机技术有限公司 | Board-mounted firmware version detection method and device |
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Application publication date: 20180323 |
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