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26047f6029
These drivers are not needed on all platforms. While they are small, it is useful in TPL to drop then. Add Kconfig control to allow this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
28 lines
990 B
Plaintext
28 lines
990 B
Plaintext
config PCH
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bool "Enable Platform-controller Hub (PCH) support"
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depends on X86 || SANDBOX
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help
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Most x86 chips include a PCH which is responsible for handling
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parts of the system not handled by that CPU. It supersedes the
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northbridge / southbridge architecture that was previously used. The
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PCH allows for higher performance since the memory functions are
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handled in the CPU.
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config X86_PCH7
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bool "Add support for Intel PCH7"
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default y if X86
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help
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Enable this if your SoC uses Platform Controller Hub 7 (PCH7). This
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dates from about 2011 and is used on baytrail, for example. The
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PCH provides access to the GPIO and SPI base addresses, among other
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functions.
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config X86_PCH9
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bool "Add support for Intel PCH9"
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default y if X86
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help
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Enable this if your SoC uses Platform Controller Hub 9 (PCH9). This
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dates from about 2015 and is used on baytrail, for example. The
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PCH provides access to the GPIO and SPI base addresses, among other
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functions.
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