Method and a portable computing device (pcd) for exposing a peripheral component interface express (pcie) coupled device to an operating system operable on the pcd

In a portable computing device having a system-on-chip (SoC) Acorn RISC Machine (ARM)-based resource architecture, a peripheral component interconnect express (PCIe) bus is used to insert PCIe device memory into system memory absent a PCIe driver. During a PCIe initialization, the contents of PCIe b...

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Hauptverfasser:	CHAMBERS GERALD J, SHANKS RICHARD J, AIKEN CRAIG A
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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creator	CHAMBERS GERALD J SHANKS RICHARD J AIKEN CRAIG A
description	In a portable computing device having a system-on-chip (SoC) Acorn RISC Machine (ARM)-based resource architecture, a peripheral component interconnect express (PCIe) bus is used to insert PCIe device memory into system memory absent a PCIe driver. During a PCIe initialization, the contents of PCIe base address registers (BARs) are mapped or otherwise updated to coincide with values assigned to the PCIe device in the advanced configuration and power interface (ACPI) tables.
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
title	Method and a portable computing device (pcd) for exposing a peripheral component interface express (pcie) coupled device to an operating system operable on the pcd
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