Methods and apparatus to effect hot reset for an on die non-root port integrated device
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United States of America Patent
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Jan 23, 2018
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app pub date -
Aug 28, 2014
filing date -
Aug 28, 2014
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Abstract
In an embodiment, a processor includes at least one core to initiate a hot reset, and a peripheral device that is coupled to a root complex fabric via through the root port via an peripheral component interconnect express to on-chip system fabric (PCIE to OSF) bridge. The processor also includes a power control unit that includes reset logic to decouple the peripheral device from the root complex fabric responsive to initiation of the hot reset. After the peripheral device is decoupled from the root complex fabric, the reset logic is to assert a reset of the peripheral device while a first core of the at least one core is in operation. Other embodiments are described and claimed.
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