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incubator-nuttx/drivers/pci/Kconfig

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Various fixes for PCI work Squashed commits: 1. Porting prior PCI work in place of jailhouse code At this point the PCI enumeration works for x86_64 including over pci-pci bridges. Running QEMU with this configuration we see the bridge and the device on the bridge. It also detected the qemu test device qemu-system-x86_64 \ -cpu host,+pcid,+x2apic,+tsc-deadline,+xsave,+rdrand \ --enable-kvm -smp 1 -m 2G -cdrom boot.iso --nographic -no-reboot \ -device pci-testdev \ -device pci-bridge,id=bridge0,chassis_nr=2 \ -device e1000,bus=bridge0,addr=0x3 qemu_pci_init: Initializing PCI Bus pci_probe_device: [00:00.0] Found 8086:1237, class/revision 06000002 pci_probe_device: [00:01.1] Found 8086:7010, class/revision 01018000 pci_probe_device: [00:01.2] Found ffff:ffff, class/revision ffffffff pci_probe_device: [00:01.3] Found 8086:7113, class/revision 06800003 pci_probe_device: [00:01.4] Found ffff:ffff, class/revision ffffffff pci_probe_device: [00:01.5] Found ffff:ffff, class/revision ffffffff pci_probe_device: [00:01.6] Found ffff:ffff, class/revision ffffffff pci_probe_device: [00:01.7] Found ffff:ffff, class/revision ffffffff pci_probe_device: [00:02.0] Found 1234:1111, class/revision 03000002 pci_probe_device: [00:03.0] Found 8086:100e, class/revision 02000003 pci_probe_device: [00:04.0] Found 1b36:0005, class/revision 00ff0000 pci_probe_device: [00:04.0] Probing pci_check_pci_bridge: [00:05.0] Found Bridge pci_probe_device: [01:03.0] Found 8086:100e, class/revision 02000003 pci_probe_device: [00:05.0] Found 1b36:0001, class/revision 06040000 2. Remove unused CONFIG_PCI_MAX_BDF option 3. Add a workaround for Jailhouse pci scanning 4. Extend BAR parsing and handle PIO and MMIO for pci-testdev Signed-off-by: Brennan Ashton <bashton@brennanashton.com> 5. PCI: Add initial support for QEMU 'edu' test device Signed-off-by: Brennan Ashton <bashton@brennanashton.com> 6. Bring up PCI later in boot process Signed-off-by: Brennan Ashton <bashton@brennanashton.com> 7. Add ISR and DMA support to QEMU edu test pci device Signed-off-by: Brennan Ashton <bashton@brennanashton.com> 8. Fix bad function prototype definition in qemu_edu 9. intel64: Add a pci test configuration and instructions Signed-off-by: Brennan Ashton <bashton@brennanashton.com> 10. PCI: Fix issue in identification of 64bit bar Signed-off-by: Brennan Ashton <bashton@brennanashton.com>
2020-05-07 17:59:29 +08:00
#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
menuconfig PCI
bool "Support for PCI Bus"
default n
---help---
Enables support for the PCI bus.
Backend bust be provided by per-arch or per-board implementation.