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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
Kconfig definitions¶
At <Zephyr>/soc/x86/apollo_lake/Kconfig.defconfig:21
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:19
→ <BuildDir>/Kconfig/Kconfig.soc.defconfig:1
Menu path: (Top)
config PCIE_MMIO_CFG
bool
default y
depends on SOC_APOLLO_LAKE
At <Zephyr>/soc/x86/elkhart_lake/Kconfig.defconfig:21
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:19
→ <BuildDir>/Kconfig/Kconfig.soc.defconfig:1
Menu path: (Top)
config PCIE_MMIO_CFG
bool
default y
depends on SOC_ELKHART_LAKE
At <Zephyr>/arch/x86/Kconfig:101
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:29
→ <Zephyr>/arch/Kconfig:12
Menu path: (Top) → X86 Architecture Options
config PCIE_MMIO_CFG bool "Use MMIO PCI configuration space access" selectACPI
depends onX86
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.)