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config PCH
bool "Enable Platform-controller Hub (PCH) support"
depends on X86 || SANDBOX
help
Most x86 chips include a PCH which is responsible for handling
parts of the system not handled by that CPU. It supersedes the
northbridge / southbridge architecture that was previously used. The
PCH allows for higher performance since the memory functions are
handled in the CPU.
config X86_PCH7
bool "Add support for Intel PCH7"
default y if X86
help
Enable this if your SoC uses Platform Controller Hub 7 (PCH7). This
dates from about 2011 and is used on baytrail, for example. The
PCH provides access to the GPIO and SPI base addresses, among other
functions.
config X86_PCH9
bool "Add support for Intel PCH9"
default y if X86
help
Enable this if your SoC uses Platform Controller Hub 9 (PCH9). This
dates from about 2015 and is used on baytrail, for example. The
PCH provides access to the GPIO and SPI base addresses, among other
functions.
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