CN100501707C - Device and method for initiating code chip on-board burning for processor system - Google Patents
Device and method for initiating code chip on-board burning for processor system Download PDFInfo
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- CN100501707C CN100501707C CNB2006100892964A CN200610089296A CN100501707C CN 100501707 C CN100501707 C CN 100501707C CN B2006100892964 A CNB2006100892964 A CN B2006100892964A CN 200610089296 A CN200610089296 A CN 200610089296A CN 100501707 C CN100501707 C CN 100501707C
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Abstract
The utility model discloses a method of achieving on-board imprinting of the processor system BOOTROM; wherein, the steps comprise: connecting the imprinting device with an imprinting circuit with the imprinting jig to the target circuit on the imprinting target single board; enabling the replacement circuit of the imprinting circuit while disenabling the target circuit through switching the circuit; the target system starting from the replacement circuit, enabling the target circuit while disenabling the replacement circuit through switching the circuit; the target system reading the imprinting mapping into the target circuit. The method of the utility model can remove the jack of BOOTROM directly and achieve the BOOTROM on-board imprinting after the inserted BOOTROM is welded to the single board directly, which has the advantages of not changing the original design, not adding the design cost of the software and hardware of the single board, and having easy operation.
Description
Technical field
The present invention relates to a kind of device and method of realizing start-up code chip (BOOTROM) burning of processor system, relate in particular to a kind of apparatus and method at board burning BOOTROM.
Background technology
Existing processor system all has a BOOTROM, is used to deposit start-up routine.Generally, BOOTROM chooses cheap plug-in mounting flash memory (FLASH) chip, by cd-rom recorder start-up routine is burnt to after the FLASH, FLASH is inserted in the middle of the respective socket of veneer the BOOTROM as processor again.
Because in the production, processing, transportation, use, through regular meeting the damage of BOOTROM socket appears, because socket causes problems such as BOOTROM loose contact, therefore remove the BOOTROM socket, directly BOOTROM is welded to becomes a kind of demand on the plank.Yet remove the BOOTROM socket, just be faced with BOOTROM how in the problem of board burning.
In Chinese patent 02125596.2 " a kind of circuit board designing method ", combined testing action group (Joint Test Action Group, JTAG) method of interface to loading at plate BOOTROM of a kind of CPU of utilization proposed.In Chinese patent 03126874.9 " a kind of processor system and method for using a plurality of startup-program memory ", a kind of many BOOTROM system implementation method has been proposed, after a BOOTROM was by successful burning, other BOOTROM also can be at board burning so.
Though existing method does not have too many difficulty on realizing, increase extra software or cost of hardware design for this reason.JTAG downloads BOOTROM, need change main JTAG at different CPU and different circuit design and download; Many BOOTROM system, have only under the situation of BOOTROM burning could be to other BOOTROM load, if the BOOTROM that promptly is used to start does not have the sintering start-up routine, this system can not move yet.
Summary of the invention
Technical matters to be solved by this invention has provided a kind of apparatus and method that realize the BOOTROM of processor system at board burning, be intended to solve the BOOTROM that realizes processor system in the prior art and will increase extra software or hardware at board burning, the problem of burning cost height, burning complex procedures.
To achieve these goals, the invention provides a kind of device of realizing the start-up code chip of processor system at board burning, comprising: burning circuit that a burning is good and burning anchor clamps,
Described burning circuit comprises:
One replacement circuit is used to replace the objective circuit work on the goal systems;
One switches circuit, is connected with objective circuit with replacement circuit, is used for making one of described replacement circuit and described objective circuit and has only one to enable;
One signal recovery circuitry, be connected with described commutation circuit with described replacement circuit, when being used for enabling and described replacement circuit does not enable that described replacement circuit enables from described objective circuit that described objective circuit does not enable the work wave of described objective circuit enable pin returned to the enable pin of described replacement circuit;
Described burning anchor clamps are fixed with described burning circuit on it, be used for described burning circuit is connected to described objective circuit on the burning target single board.
Above-mentioned device, its characteristics are that described burning circuit further comprises the switching judging circuit, are used to detect the predetermined switching signal that described replacement circuit is sent, and send the switching enable signal to described commutation circuit.
Above-mentioned device, its characteristics are that the model of described replacement circuit and described objective circuit is identical or circuit parameter is consistent, and the pin of described replacement circuit and described objective circuit is corresponding one by one.
Above-mentioned device, its characteristics are that described burning anchor clamps are double-side sockets.
To achieve these goals, also provide a kind of and utilized above-mentioned device to realize the method for processor system start-up code chip, comprised the steps: at board burning
The burning device that will have a burning circuit with the burning anchor clamps is connected to the objective circuit on the burning target single board;
Replacement circuit in the burning circuit is enabled and described objective circuit does not enable by commutation circuit;
Goal systems starts from described replacement circuit, by commutation circuit described objective circuit is enabled again and described replacement circuit does not enable;
Described goal systems writes described objective circuit with the burning map.
Above-mentioned method, its characteristics are, after described goal systems starts from described replacement circuit, further content in the described replacement circuit are moved into described goal systems operation.
Above-mentioned method, its characteristics be, after content moved into described goal systems operation in the described replacement circuit, described goal systems was moved into content control in the described replacement circuit of described goal systems.
Above-mentioned method, its characteristics are, described objective circuit is enabled and before described replacement circuit do not enable, further comprise and switch the predetermined switching signal that judging circuit detects described replacement circuit by described commutation circuit, and send the switching enable signal to described commutation circuit.
Above-mentioned method, its characteristics are that described burning map is from described burning circuit or other external interfaces.
Above-mentioned method, its characteristics be, comprise that further described goal systems writes described objective circuit with the burning map after, cut off described goal systems power supply and take out described burning device.
Apparatus and method of the present invention can directly removed the BOOTROM socket, be welded direct to the BOOTROM of plug-in mounting on the veneer after, realize that BOOTROM is at board burning, guaranteed that original design does not change, additionally do not increased the design of hardware and software cost of veneer, simple and easy to do.
Description of drawings
Fig. 1 a is the physical arrangement synoptic diagram of burning device 101 of the present invention and goal systems 103;
Fig. 1 b is the physical arrangement synoptic diagram that has loaded the goal systems 103 of burning device 101 of the present invention;
Fig. 2 is the schematic block circuit diagram of burning device 101 of the present invention and goal systems 103;
Fig. 3 a is the working waveform figure of the enable pin 209 of objective circuit 105 in the prior art;
Fig. 3 b is the working waveform figure that the enable pin 209 of objective circuit 105 did not enable the working point, back after burning device 101 was connected with objective circuit 105 among the present invention;
Fig. 3 c is the working waveform figure of the working point of the enable pin 210 of replacement circuit 204 in the burning device 101 among the present invention;
Fig. 4 is the process flow diagram that the present invention is implemented in the method for board burning.
Wherein, Reference numeral:
The 101-burning device;
102-burning anchor clamps;
The 103-goal systems;
104-burning circuit;
The 105-objective circuit;
203-goal systems circuit;
The 204-replacement circuit;
206-switches judging circuit;
The 207-commutation circuit;
The 208-signal recovery circuitry;
209-objective circuit enable pin;
210-replacement circuit enable pin.
Embodiment
Burning device of the present invention as shown in Figure 1a, burning device 101 comprises burning circuit 104 and burning anchor clamps 102.Burning circuit 104 is the outer good BOOTROM of burning of a plate, and objective circuit 105 is the BOOTROM that needs burning of goal systems 103.By burning anchor clamps 102 fixedly connected burning circuit 104 and objective circuit 105 on the burning target single board, the burning target single board that has loaded burning device 101 is shown in Fig. 1 b.Replacement circuit 204 is identical with the model of objective circuit 105 or circuit parameter is consistent, and the pin of two BOOTROM is corresponding one by one.In order to prevent that two BOOTROM from when the processor access, bus collision occurring, need the control signal (as the CS chip selection signal) of two BOOTROM be dealt with respectively, guarantee that promptly two BOOTROM can not export simultaneously in the read-write process.
After burning device 101 loads, power taking source and carry out work from the burning target single board.As shown in Figure 2, under the normal condition, the normal waveform of the working point of the enable pin 209 of objective circuit 105 is shown in Fig. 3 a.When burning device 101 work, waveform is controlled by commutation circuit 207, and the wave form distortion of the working point of the enable pin 209 of objective circuit 105 shown in Fig. 3 b, does not enable objective circuit 105.And replacement circuit 204 circuit on the burning target single board, then carrying out signal by signal recovery circuitry 208 recovers to handle, and reverts to signal waveform, as Fig. 3 c.Satisfy the condition of work of replacement circuit 204 this moment, so replacement circuit 204 work.Replacement circuit 204 enables, and objective circuit 105 does not enable simultaneously.At this moment, replacement circuit 204 has substituted objective circuit 105 fully and has carried out work.Goal systems 103 starts from replacement circuit 204, and the content in 204 is moved into operation in the goal systems 103.
When needs write burning to objective circuit 105, the specific time sequence waveform of the pin of replacement circuit 204 b1～bn part signal was switched judging circuit 206 and detects in the burning circuit 104, and produced and switch enable signal, and commutation circuit 207 is switched.The working point waveform of the enable pin 209 of objective circuit 105 reverts to the waveform of Fig. 3 a at this moment, and the work wave of the working point of the enable pin 210 of replacement circuit 204 is then exported and forbidden enabling.This moment, replacement circuit 204 did not enable, and objective circuit 105 enables, and goal systems 103 directly outputs to objective circuit 105 with the burning map, has finished the burning process to objective circuit 105.
In concrete enforcement of the present invention, the flow process of the method that is implemented in board burning further is provided, as shown in Figure 4:
Step S410 loads burning device 101, and burning device 101 is by burning anchor clamps 102 linking objective systems 103;
Step S420, start goal systems 103, goal systems 103 powers up, burning device 101 work, replacement circuit 204 in the burning circuit 104 is enabled and objective circuit 105 does not enable by commutation circuit 207, goal systems 103 starts operation from replacement circuit 204, and operation is kept at the software in the replacement circuit 204;
Step S430, goal systems 103 is controlled, and goal systems 103 moves into operation in the goal systems 103 to the content in the replacement circuit 204.
Step S440 obtains the burning map, and controlled object system 103 is from replacement circuit 204, or other external interface obtains the burning reflection of BOOTROM;
Step S450, switching target circuit 105, controlled object system 103 begins to carry out the burning instruction, and by the burning sequential, switch to that objective circuit 105 enables and replacement circuit 204 does not enable by commutation circuit judging circuit 206 and commutation circuit 207, replacement circuit 105 replaces replacement circuit 204 fully;
Step S460 writes the burning map, and controlled object system 103 writes the burning reflection among the BOOTROM (objective circuit 105);
Step S470 finishes burning, cuts off the electricity supply and takes out burning device 101.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1, a kind of device of realizing the start-up code chip of processor system at board burning is characterized in that, comprises burning circuit and burning anchor clamps that a burning is good,
Described burning circuit comprises:
One replacement circuit is used to replace the objective circuit work on the goal systems;
One switches circuit, is connected with objective circuit with replacement circuit, is used for making one of described replacement circuit and described objective circuit and has only one to enable;
One signal recovery circuitry, be connected with described commutation circuit with described replacement circuit, when being used for enabling and described replacement circuit does not enable that described replacement circuit enables from described objective circuit that described objective circuit does not enable the work wave of described objective circuit enable pin returned to the enable pin of described replacement circuit;
Described burning anchor clamps are fixed with described burning circuit on it, be used for described burning circuit is connected to described objective circuit on the burning target single board.
2, device according to claim 1 is characterized in that, described burning circuit further comprises the switching judging circuit, is used to detect the predetermined switching signal that described replacement circuit is sent, and sends the switching enable signal to described commutation circuit.
3, device according to claim 1 is characterized in that, the model of described replacement circuit and described objective circuit is identical or circuit parameter is consistent, and the pin of described replacement circuit and described objective circuit is corresponding one by one.
4, device according to claim 1 is characterized in that, described burning anchor clamps are double-side sockets.
5, a kind of described device of claim 1 that utilizes is realized the method for the start-up code chip of processor system at board burning, it is characterized in that, comprises the steps:
The burning device that will have a burning circuit with the burning anchor clamps is connected to the objective circuit on the burning target single board;
Replacement circuit in the burning circuit is enabled and described objective circuit does not enable by commutation circuit;
Goal systems starts from described replacement circuit, by commutation circuit described objective circuit is enabled again and described replacement circuit does not enable;
Described goal systems writes described objective circuit with the burning map.
6, method according to claim 5 is characterized in that, after described goal systems starts from described replacement circuit, further content in the described replacement circuit is moved into described goal systems operation.
7, method according to claim 6 is characterized in that, after content moved into the operation of described goal systems in the described replacement circuit, described goal systems was moved into content control in the described replacement circuit of described goal systems.
8, method according to claim 5, it is characterized in that, described objective circuit is enabled and before described replacement circuit do not enable by described commutation circuit, further comprise and switch the predetermined switching signal that judging circuit detects described replacement circuit, and send the switching enable signal to described commutation circuit.
9, method according to claim 5 is characterized in that, described burning map is from described burning circuit or other external interfaces.
10, method according to claim 5 is characterized in that, comprise that further described goal systems writes described objective circuit with the burning map after, cut off described goal systems power supply and take out described burning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100892964A CN100501707C (en) | 2006-08-15 | 2006-08-15 | Device and method for initiating code chip on-board burning for processor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100892964A CN100501707C (en) | 2006-08-15 | 2006-08-15 | Device and method for initiating code chip on-board burning for processor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101127014A CN101127014A (en) | 2008-02-20 |
| CN100501707C true CN100501707C (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100892964A Expired - Fee Related CN100501707C (en) | 2006-08-15 | 2006-08-15 | Device and method for initiating code chip on-board burning for processor system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222051B (en) * | 2010-04-13 | 2014-01-29 | 纬创资通股份有限公司 | Jig for online burning and online burning system |
| CN102044301A (en) * | 2010-09-15 | 2011-05-04 | 苏州凌创电子系统有限公司 | Automatic mass burning device for automobile sunroof controller |
| CN107015836B (en) * | 2017-04-21 | 2024-04-16 | 菲尔莱(北京)科技有限公司 | Program batch burning working platform and batch burning method |
| CN111258631B (en) * | 2020-01-13 | 2020-11-03 | 广芯微电子（广州）股份有限公司 | Automatic mass production system and method for terminal equipment parameters |
| CN112882423B (en) * | 2021-01-26 | 2021-10-15 | 深圳市航顺芯片技术研发有限公司 | Singlechip, singlechip control method and device, intelligent terminal and storage medium |
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| CN101127014A (en) | 2008-02-20 |
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Effective date of registration: 20150413 Address after: 100102 Beijing city in Chaoyang District Lize Park 106 Building 5 layer 505C Patentee after: BEIJING PICOHOOD TECHNOLOGY CO., LTD. Address before: 518057 Nanshan District, Guangdong high tech Industrial Park, science and Technology Industrial Park, ZTE building, block A, layer 6, layer Patentee before: ZTE Corporation |
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