Bus terminator/monitor/bridge systems and methods
First Claim
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1. A computing system, comprising:
- a first bus;
a second bus;
a first processor coupled to and configured to control the first bus;
a second processor coupled to and configured to control the second bus;
a first plurality of devices in communication with the first processor via the first bus;
a second plurality of devices in communication with the second processor via the second bus; and
a terminator-monitor-bridge (TMB) device coupled between the first bus and the second bus, wherein the TMB device is configured to;
selectively enable the first processor and the second processor to control at least a portion of the second bus and the first bus, respectively,enable the first processor to control a first portion of the second plurality of devices and enable the second processor to retain control of a second portion of the second plurality of devices if a fault is detected on the second bus between the first and second portions of the second plurality of devices, andenable the second processor to control a first portion of the first plurality of devices and enable the first processor to retain control of a second portion of the first plurality of devices if a fault is detected on the first bus between the first and second portions of the first plurality of devices.
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Abstract
Computing systems including first and second processors configured to control first and second buses, respectively, and a terminator-monitor-bridge (TMB) device coupled between the first and second buses are provided. The TMB device is configured to selectively enable the first processor and the second processor to control at least a portion of the second bus and the first bus, respectively. TMB devices and methods for operating the TMB devices in accordance with the above configuration are also provided.
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Citations
19 Claims
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1. A computing system, comprising:
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a first bus; a second bus; a first processor coupled to and configured to control the first bus; a second processor coupled to and configured to control the second bus; a first plurality of devices in communication with the first processor via the first bus; a second plurality of devices in communication with the second processor via the second bus; and a terminator-monitor-bridge (TMB) device coupled between the first bus and the second bus, wherein the TMB device is configured to; selectively enable the first processor and the second processor to control at least a portion of the second bus and the first bus, respectively, enable the first processor to control a first portion of the second plurality of devices and enable the second processor to retain control of a second portion of the second plurality of devices if a fault is detected on the second bus between the first and second portions of the second plurality of devices, and enable the second processor to control a first portion of the first plurality of devices and enable the first processor to retain control of a second portion of the first plurality of devices if a fault is detected on the first bus between the first and second portions of the first plurality of devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for operating a terminator-monitor-bridge (TMB) device coupled between a first bus including a first plurality of devices controlled by a first processor and a second bus including a second plurality of devices controlled by a second processor, the method comprising the steps of:
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monitoring the first bus and the second bus for faults; at least temporarily enabling the first processor to control a first portion of the second plurality of devices and enabling the second processor to retain control of a second portion of the second plurality of devices if a fault is detected on the second bus between the first and second portions of the second plurality of devices; and at least temporarily enabling the second processor to control a first portion of the first plurality of device and enabling the first processor to retain control of a second portion of the first plurality of devices if a fault is detected on the first bus between the first and second portions of the first plurality of devices. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A terminator-monitor-bridge (TMB) device configured to be coupled to a first bus including a first plurality of devices controlled by a first processor and a second bus including a second plurality of devices controlled by a second processor, the TMB device comprising:
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means for monitoring the first bus and the second bus for faults; means for at least temporarily enabling the first processor to control a first portion of the second plurality of devices and enabling the second processor to retain control of a second portion of the second plurality of devices if a fault is detected on the second bus between the first and second portions of the second plurality of devices; and means for at least temporarily enabling the second processor to control a first portion of the first plurality of devices and enabling the first processor to retain control of a second portion of the first plurality of devices if a fault is detected on the first bus between the first and second portions of the first plurality of devices. - View Dependent Claims (17, 18, 19)
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Specification