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CONFIG_P2SB: Primary to Sideband (P2SB) bridge access support

General informations

The Linux kernel configuration item CONFIG_P2SB:

Help text

The Primary to Sideband (P2SB) bridge is an interface to some PCI devices connected through it. In particular, SPI NOR controller in Intel Apollo Lake SoC is one of such devices.

The main purpose of this library is to unhide P2SB device in case firmware kept it hidden on some platforms in order to access devices behind it.

Hardware

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