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CONFIG_PCIE_MMIO_CFG¶

Use MMIO PCI configuration space access

Type: bool

Help¶

Selects the use of the memory-mapped PCI Express Extended
Configuration Space instead of the traditional 0xCF8/0xCFC
IO Port registers.

Direct dependencies¶

SOC_APOLLO_LAKE || SOC_ELKHART_LAKE || X86

(Includes any dependencies from ifs and menus.)

Defaults¶

y
y

Symbols selected by this symbol¶

ACPI

Kconfig definitions¶

At soc/x86/apollo_lake/Kconfig.defconfig:12

Included via Kconfig:8 → Kconfig.zephyr:19 → doc/_build/Kconfig/Kconfig.soc.defconfig:1

Menu path: (Top)

config PCIE_MMIO_CFG
    bool
    default y
    depends on SOC_APOLLO_LAKE

At soc/x86/elkhart_lake/Kconfig.defconfig:12

Included via Kconfig:8 → Kconfig.zephyr:19 → doc/_build/Kconfig/Kconfig.soc.defconfig:1

Menu path: (Top)

config PCIE_MMIO_CFG
    bool
    default y
    depends on SOC_ELKHART_LAKE

At arch/x86/Kconfig:231

Included via Kconfig:8 → Kconfig.zephyr:29 → arch/Kconfig:12

Menu path: (Top) → X86 Architecture Options

config PCIE_MMIO_CFG
    bool "Use MMIO PCI configuration space access"
    select ACPI
    depends on X86
    help
      Selects the use of the memory-mapped PCI Express Extended
      Configuration Space instead of the traditional 0xCF8/0xCFC
      IO Port registers.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)