[PATCH 0/4] x86: add EFI PCI host and iTCO watchdog support

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v1 is here:
https://lore.barebox.org/barebox/20191204125659.22506-1-a.fatoum@xxxxxxxxxxxxxx/

Series tested with:
  * QEMU q35: ns16550 serial, iTCO and virtio-pci
  * Dell Latitude 7490: Bus enumeration works correctly

v1 -> v2:
  - add DMA helpers, so the new virtio-pci support is usable on x86 as
    well
  - add preassigned bus support, so already running PCI UEFI drivers can
    continue to function
  - handle zero size resources correctly
  - add iTCO watchdog support in new commit

Cheers,
Ahmad Fatoum (4):
  x86: add DMA support
  PCI: support PCI BIOS preassigned buses
  pci: add EFI PCI root bridge IO protocol driver
  watchdog: add support for Intel TCO watchdog timer

 arch/arm/include/asm/pci.h     |   7 +
 arch/mips/include/asm/pci.h    |   7 +
 arch/x86/Kconfig               |   1 +
 arch/x86/configs/efi_defconfig |   2 +
 arch/x86/include/asm/dma.h     |  36 +++-
 arch/x86/include/asm/pci.h     |   7 +
 drivers/efi/Kconfig            |   1 +
 drivers/pci/Kconfig            |   5 +
 drivers/pci/Makefile           |   1 +
 drivers/pci/pci-efi.c          | 342 ++++++++++++++++++++++++++++++++
 drivers/pci/pci-efi.h          | 343 ++++++++++++++++++++++++++++++++
 drivers/pci/pci.c              | 106 ++++++----
 drivers/watchdog/Kconfig       |  17 ++
 drivers/watchdog/Makefile      |   1 +
 drivers/watchdog/itco_wdt.c    | 346 +++++++++++++++++++++++++++++++++
 include/linux/pci.h            |   3 +
 16 files changed, 1187 insertions(+), 38 deletions(-)
 create mode 100644 arch/arm/include/asm/pci.h
 create mode 100644 arch/mips/include/asm/pci.h
 create mode 100644 arch/x86/include/asm/pci.h
 create mode 100644 drivers/pci/pci-efi.c
 create mode 100644 drivers/pci/pci-efi.h
 create mode 100644 drivers/watchdog/itco_wdt.c

-- 
2.31.0


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