CN107133129A - A kind of ARM platforms open FRB 2timer implementation method in the BDK program phases - Google Patents

A kind of ARM platforms open FRB 2timer implementation method in the BDK program phases Download PDF

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Publication number
CN107133129A
CN107133129A CN201710334140.6A CN201710334140A CN107133129A CN 107133129 A CN107133129 A CN 107133129A CN 201710334140 A CN201710334140 A CN 201710334140A CN 107133129 A CN107133129 A CN 107133129A
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gpio
bdk
frb
bmc
gpio11
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CN107133129B (en
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郭章平
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Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1441—Resetting or repowering

Abstract

The invention discloses the implementation method that a kind of ARM platforms open FRB 2timer in the BDK program phases; compared to the prior art a kind of ARM platforms of the present invention open FRB 2timer implementation method in the BDK program phases; the timer of FRB 2 can be opened in the BDK program phases of ARM platforms; so that the timer of FRB 2 can protect the whole start-up phase of ARM platforms; when BDK programs delay the phenomenon of machine, the timer of FRB 2 can be remedied.

Description

A kind of ARM platforms open FRB-2timer implementation method in the BDK program phases
Technical field
The present invention relates to ARM Platform Server memory areas, specifically a kind of ARM platforms are in the BDK program phases Open FRB-2timer implementation method.
Background technology
In the special project design of ARM platforms, boot program is classified largely into two parts, BDK programs and UEFI BIOS journeys Sequence, first carries out BDK programs, then performs UEFI BIOS programs, and wherein UEFI BIOS programs are divided into again according to the flow of execution SEC, PEI, DXE, BDS four-stage, and X86 platforms do not have BDK programs, only UEFI BIOS programs.Typically in X86 platforms On be all that FRB-2 timer are opened by IPMI orders in UEFI BIOS（A kind of watchdog, house dog clock, mainly For in several forthright machine phenomenons of delaying of start-up phase, restarting automatically, system is allowed to attempt to enter system next time）, so substantially can Ensure that FRB-2 timer protect whole start-up phase, but be due to that boot program is BDK programs and UEFI in ARM platforms BIOS program, and BDK programs are first carried out, BDK programs occupy the half of available machine time substantially, so necessary in BDK journeys FRB-2 timer are turned in sequence, so as to BDK programs delay the phenomenon of machine when, FRB-2 timer can be remedied, but In current design, BDK programs do not support IPMI protocol also, so BDK programs have no idea to send IPMI orders to BMC, Allow it to open FRB-2 timer, BMC can only be notified in other way.
The content of the invention
The technical assignment of the present invention is to provide the realization side that a kind of ARM platforms open FRB-2timer in the BDK program phases Method.
The technical assignment of the present invention realizes that this method is with two GPIO and BMC above CPU in the following manner Two GPIO in face are connected, the initial stage for starting to perform in start BDK programs, and CPU GPIO is output as high level, BMC Program threads poll BMC end GPIO state, it is found that GPIO is driven high, FRB-2 timer turned on, after BDK programs Section, drags down two GPIO above CPU, and two GPIO level at corresponding BMC ends also can step-down, the closing of BMC program threads FRB-2 timer。
The GPIO that described CPU GPIO is set on output end, BMC is set to input.
Concrete operation step is as follows：
Step 1）Two GPIO output ends are terminated out from CPU, and two GPIO output ends are respectively GPIO11 and GPIO12, right respectively The two GPIO inputs that should be accessed above BMC, two GPIO output ends are respectively GPIO11 and GPIO12；
Step 2）BDK programs set GPIO11 and GPIO12 state value in start process, CPU GPIO11 and GPIO12 It is output as high level；
Step 3）BMC polling routines judge GPIO11 and GPIO12 state value；
Step 4）GPIO11 and GPIO12 are height, open FRB-2 timer, otherwise do not open；
Step 5）The BDK program later stages drag down the level of the GPIO11 and GPIO12 above CPU, two GPIO at corresponding BMC ends Level also can step-down；
Step 6）BMC polling routines close FRB-2 timer.
A kind of ARM platforms of the present invention open FRB-2timer implementation method and prior art phase in the BDK program phases Than FRB-2 timer can be opened in the BDK program phases of ARM platforms, so that FRB-2 timer can protect the whole of ARM platforms Individual start-up phase, when BDK programs delay the phenomenon of machine, FRB-2 timer can be remedied.
Brief description of the drawings
Accompanying drawing 1 is a kind of implementing procedure figure for the implementation method that ARM platforms open FRB-2timer in the BDK program phases.
Accompanying drawing 2 is CPU and BMC annexation figure.
Embodiment
Embodiment 1：
The implementation method that the ARM platforms open FRB-2timer in the BDK program phases is with two GPIO and BMC above CPU Two GPIO above are connected, and the GPIO that CPU GPIO is set on output end, BMC is set to input；In start BDK programs Start the initial stage performed, CPU GPIO is output as high level, BMC program threads poll BMC end GPIO state, hair Existing GPIO is driven high, and is turned on FRB-2 timer, in the back segment of BDK programs, two GPIO above CPU is dragged down, accordingly BMC ends two GPIO level also can step-down, BMC program threads close FRB-2 timer.
Embodiment 2：
The implementation method concrete operation step that the ARM platforms open FRB-2timer in the BDK program phases is as follows：
Step 1）Two GPIO output ends are terminated out from CPU, and two GPIO output ends are respectively GPIO11 and GPIO12, right respectively The two GPIO inputs that should be accessed above BMC, two GPIO output ends are respectively GPIO11 and GPIO12；
Step 2）BDK programs set GPIO11 and GPIO12 state value in start process, CPU GPIO11 and GPIO12 It is output as high level；
Step 3）BMC polling routines judge GPIO11 and GPIO12 state value；
Step 4）GPIO11 and GPIO12 are height, open FRB-2 timer, otherwise do not open；
Step 5）The BDK program later stages drag down the level of the GPIO11 and GPIO12 above CPU, two GPIO at corresponding BMC ends Level also can step-down；
Step 6）BMC polling routines close FRB-2 timer.
By embodiment above, the those skilled in the art can readily realize the present invention.But should Work as understanding, the present invention is not limited to above-mentioned several embodiments.On the basis of disclosed embodiment, the technology The technical staff in field can be combined different technical characteristics, so as to realize different technical schemes.

Claims (3)

1. a kind of ARM platforms open FRB-2timer implementation method in the BDK program phases, it is characterised in that this method is to use Two GPIO above CPU are connected with two GPIO above BMC, the initial stage for starting to perform in start BDK programs, CPU GPIO is output as high level, and BMC program threads poll BMC end GPIO state finds that GPIO is driven high, turned on FRB-2 timer, in the back segment of BDK programs, drag down two GPIO above CPU, two GPIO level at corresponding BMC ends Also can step-down, BMC program threads closing FRB-2 timer.
2. a kind of ARM platforms according to claim 1 open FRB-2timer implementation method in the BDK program phases, its It is characterised by, the GPIO that described CPU GPIO is set on output end, BMC is set to input.
3. a kind of ARM platforms according to claim 1 open FRB-2timer implementation method in the BDK program phases, its It is characterised by, concrete operation step is as follows：
Step 1）Two GPIO output ends are terminated out from CPU, and two GPIO output ends are respectively GPIO11 and GPIO12, right respectively The two GPIO inputs that should be accessed above BMC, two GPIO output ends are respectively GPIO11 and GPIO12；
Step 2）BDK programs set GPIO11 and GPIO12 state value in start process, CPU GPIO11 and GPIO12 It is output as high level；
Step 3）BMC polling routines judge GPIO11 and GPIO12 state value；
Step 4）GPIO11 and GPIO12 are height, open FRB-2 timer, otherwise do not open；
Step 5）The BDK program later stages drag down the level of the GPIO11 and GPIO12 above CPU, two GPIO at corresponding BMC ends Level also can step-down；
Step 6）BMC polling routines close FRB-2 timer.
CN201710334140.6A 2017-05-12 2017-05-12 Method for realizing ARM platform to open FRB-2timer in BDK program stage Active CN107133129B (en)

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CN201710334140.6A CN107133129B (en) 2017-05-12 2017-05-12 Method for realizing ARM platform to open FRB-2timer in BDK program stage

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US7496800B2 (en) * 2005-06-06 2009-02-24 Denso Corporation Malfunction monitoring method and system
CN102567177A (en) * 2010-12-25 2012-07-11 鸿富锦精密工业（深圳）有限公司 System and method for detecting error of computer system
CN102591728A (en) * 2011-01-11 2012-07-18 研祥智能科技股份有限公司 Method for starting up computer and basic input output system (BIOS) automatic restoring circuit
CN104424044A (en) * 2013-09-06 2015-03-18 鸿富锦精密工业（深圳）有限公司 Server system
CN104408000A (en) * 2014-12-05 2015-03-11 浪潮集团有限公司 Method for preventing conflict in health information read of BIOS (Basic Input Output System) and BMC (Baseboard Management Controller) on Feiteng server
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