CN105302620A - Method suitable for upgrading CPLD of server without conducting power outage - Google Patents
Method suitable for upgrading CPLD of server without conducting power outage Download PDFInfo
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- CN105302620A CN105302620A CN201510900521.7A CN201510900521A CN105302620A CN 105302620 A CN105302620 A CN 105302620A CN 201510900521 A CN201510900521 A CN 201510900521A CN 105302620 A CN105302620 A CN 105302620A
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- cpld
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- cpldfirmware
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- firmware
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Abstract
The invention discloses a method for upgrading a CPLD of a server without conducting power outage, and belongs to the technical field of server programming CPLD firmware. The technical aim of upgrading the CPLD in the turned-on state can be achieved. According to the technical scheme, in the normal working state of the server, new CPLD firmware is downloaded to a configuration flash memory inside a CPLD chip, old CPLD firmware is operated by Logic SRAM inside the CPLD chip, and the IO port of the CPLD is controlled by the old CPLD firmware at the moment.
Description
Technical field
The present invention relates to server burning CPLDfirmware technical field, specifically a kind of method being applicable to server not power-off upgrading CPLD.
Background technology
General with CPLD cd-rom recorder refreshing CPLDfirmware or by BMC(substrate management system on current server) administration interface renewal CPLDfirmware, but the prerequisite of these two kinds of ways is servers needs the state being in shutdown, if when data processing is carried out in server start, then cannot CPLDfirmware be upgraded.How can realize under open state, the CPLD that can upgrade is the technical matters existed at present.
summary of the invention
Technical assignment of the present invention is to provide a kind of method being applicable to server not power-off upgrading CPLD, solves and how can realize under open state, the problem of the CPLD that can upgrade.
The technical solution adopted for the present invention to solve the technical problems is: a kind of method being applicable to server not power-off upgrading CPLD, under the state that server normally works, new CPLDfirmware is downloaded in CPLD chip internal configurationflashmemory, and CPLD chip internal LogicSRAM runs old CPLDfirmware, now the I/O port of CPLD is controlled by old CPLDfirmware; When CPLDfirmware new in configurationflashmemory is updated in LogicSRAM process, all I/O ports of CPLD are in by locked state, after firmware is updated successfully, I/O port will be released, controlled by new CPLDfirmware, upgrade the running status of server in the process of firmware can not be changed, thus realize server when without the upgrading carrying out CPLDfirmware when power-off.
Of the present invention a kind of be applicable to server not power-off upgrading CPLD method compared to the prior art, there is following beneficial effect: a kind of back-level server that the present invention proposes is without the method just can carrying out CPLDfirmware upgrading when power-off, the upgrading of CPLDfirmware just can be carried out when can be implemented in server normal boot-strap, and do not need server to shut down in advance, improve the service efficiency of server.
The features such as reasonable in design, structure is simple, be easy to processing, volume is little, easy to use, one-object-many-purposes, thus, have good value for applications.
Embodiment
Below by specific embodiment, the invention will be further described.
A kind of method being applicable to server not power-off upgrading CPLD of the present invention, under the state that server normally works, new CPLDfirmware is downloaded in CPLD chip internal configurationflashmemory, and that preserve in CPLD chip internal LogicSRAM is old CPLDfirmware, now all I/O ports of CPLD are all that old CPLDfirmware controls by what preserve in LogicSRAM, and I/O port is in by the state of locked (lock), neither receive external signal, also externally signal is not sent, so now server can be in the state of normal boot-strap, Deng CPLDfirmware new in configurationflashmemory be updated to LogicSRAM success after, all I/O ports of CPLD can be released, I/O port controls by new CPLDfirmware, because upgrading the firmware time is Microsecond grade, so can not normally run by influential system.
By embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to above-mentioned embodiment.On the basis of disclosed embodiment, described those skilled in the art can the different technical characteristic of combination in any, thus realizes different technical schemes.
Claims (1)
1. one kind is applicable to the method for server not power-off upgrading CPLD, it is characterized in that: under the state that server normally works, new CPLDfirmware is downloaded in CPLD chip internal configurationflashmemory, and CPLD chip internal LogicSRAM runs old CPLDfirmware, now the I/O port of CPLD is controlled by old CPLDfirmware; When CPLDfirmware new in configurationflashmemory is updated in LogicSRAM process, all I/O ports of CPLD are in by locked state, after firmware is updated successfully, I/O port will be released, controlled by new CPLDfirmware, upgrade the running status of server in the process of firmware can not be changed, thus realize server when without the upgrading carrying out CPLDfirmware when power-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510900521.7A CN105302620A (en) | 2015-12-09 | 2015-12-09 | Method suitable for upgrading CPLD of server without conducting power outage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510900521.7A CN105302620A (en) | 2015-12-09 | 2015-12-09 | Method suitable for upgrading CPLD of server without conducting power outage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105302620A true CN105302620A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510900521.7A Pending CN105302620A (en) | 2015-12-09 | 2015-12-09 | Method suitable for upgrading CPLD of server without conducting power outage |
Country Status (1)
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| CN (1) | CN105302620A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306536A (en) * | 2020-11-25 | 2021-02-02 | 山东云海国创云计算装备产业创新中心有限公司 | Mainboard, chip thereof and chip upgrading method |
| TWI726502B (en) * | 2019-11-26 | 2021-05-01 | 神雲科技股份有限公司 | Server without the need to shut down during firmware update and motherboard module |
| CN113220324A (en) * | 2021-04-23 | 2021-08-06 | 山东英信计算机技术有限公司 | Method, system and medium for remotely updating CPLD |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116512A (en) * | 2013-02-25 | 2013-05-22 | 上海师范大学 | Method for upgrading firmware of CPLD (complex programmable logic device) |
| CN104035794A (en) * | 2014-06-03 | 2014-09-10 | 瑞斯康达科技发展股份有限公司 | Method and system for achieving logic-device firmware upgrade |
| CN105094876A (en) * | 2014-05-20 | 2015-11-25 | 华为技术有限公司 | CPLD (Complex Programmable Logic Device) upgrading processing method, apparatus and system |
-
2015
- 2015-12-09 CN CN201510900521.7A patent/CN105302620A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116512A (en) * | 2013-02-25 | 2013-05-22 | 上海师范大学 | Method for upgrading firmware of CPLD (complex programmable logic device) |
| CN105094876A (en) * | 2014-05-20 | 2015-11-25 | 华为技术有限公司 | CPLD (Complex Programmable Logic Device) upgrading processing method, apparatus and system |
| CN104035794A (en) * | 2014-06-03 | 2014-09-10 | 瑞斯康达科技发展股份有限公司 | Method and system for achieving logic-device firmware upgrade |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI726502B (en) * | 2019-11-26 | 2021-05-01 | 神雲科技股份有限公司 | Server without the need to shut down during firmware update and motherboard module |
| CN112306536A (en) * | 2020-11-25 | 2021-02-02 | 山东云海国创云计算装备产业创新中心有限公司 | Mainboard, chip thereof and chip upgrading method |
| CN112306536B (en) * | 2020-11-25 | 2023-09-29 | 山东云海国创云计算装备产业创新中心有限公司 | Main board, chip thereof and chip upgrading method |
| CN113220324A (en) * | 2021-04-23 | 2021-08-06 | 山东英信计算机技术有限公司 | Method, system and medium for remotely updating CPLD |
| CN113220324B (en) * | 2021-04-23 | 2023-11-21 | 山东英信计算机技术有限公司 | CPLD remote updating method, system and medium |
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Application publication date: 20160203 |