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Diffstat (limited to 'src/device/Kconfig')
| -rw-r--r-- | src/device/Kconfig | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig index 0bd9fe1d8b..a25bb911c9 100644 --- a/src/device/Kconfig +++ b/src/device/Kconfig @@ -555,6 +555,50 @@ config PCIEXP_L1_SUB_STATE help Detect and enable ASPM on PCIe links. +config PCIEXP_HOTPLUG + prompt "Enable PCIe Hotplug Support" + bool + default n + help + Allocate resources for PCIe hotplug bridges + +if PCIEXP_HOTPLUG + +config PCIEXP_HOTPLUG_BUSES + int "PCI Express Hotplug Buses" + default 32 + help + This is the number of buses allocated for hotplug PCI express + bridges, for use by hotplugged child devices. The default is 32 + buses. + +config PCIEXP_HOTPLUG_MEM + hex "PCI Express Hotplug Memory" + default 0x800000 + help + This is the amount of memory space, in bytes, to allocate to + hotplug PCI express bridges, for use by hotplugged child devices. + This size should be page-aligned. The default is 8 MiB. + +config PCIEXP_HOTPLUG_PREFETCH_MEM + hex "PCI Express Hotplug Prefetch Memory" + default 0x10000000 + help + This is the amount of pre-fetchable memory space, in bytes, to + allocate to hot-plug PCI express bridges, for use by hotplugged + child devices. This size should be page-aligned. The default is + 256 MiB. + +config PCIEXP_HOTPLUG_IO + hex "PCI Express Hotplug I/O Space" + default 0x2000 + help + This is the amount of I/O space to allocate to hot-plug PCI + express bridges, for use by hotplugged child devices. The default + is 8 KiB. + +endif # PCIEXP_HOTPLUG + endif # PCIEXP_PLUGIN_SUPPORT config EARLY_PCI_BRIDGE |