On Tue, May 26, 2015 at 08:49:13PM +0800, Hanjun Guo wrote: > This patch set is introducing ARM64 PCI hostbridge init based on ACPI, > which based on Jiang Liu's patch set "Consolidate ACPI PCI root common > code into ACPI core": > > https://lkml.org/lkml/2015/5/14/98 > > This patch set including three parts: > > - the first part is PATCH 1, which should be merged into Jiang Liu's > patch set to fix the compile error on ARM64 when ACPI enabled. > > - the senconed part is the refactoring of mmconfig to let that mechanism > can be used for ARM64 too, it's Tomasz's work but he is moving to other > work and pretty busy for now, so I will take care of those patches, > Tomasz will show up when some comments need to be addressed :) > > In this version of mmconfig refactor patches, I removed the rename > of mmconfig -> ecam patch, because mmconfig is in multi places, and need > much more effort to convert them all to ecam, Bjorn, if you don't > like it, I can add them back. > > - The third part is about the ARM64 PCI hostbridge init based on ACPI, > first I fixed a compile error for XEN PCI on ARM64 when PCI_MMCONFIG=y, > and then introduce PCI init based on Jiang Liu and Tomasz's patch set. > > patch for ARM64 ACPI PCI still reserve the bus sysdata to get the domain > number, because Yijing's patch set is still under review, will be removed > when Yijing's patch set hits upstream. > > This patch set was tested by Suravee on Seattle board with legacy interrupt > (not MSI), and it works, also tested on qemu by Graeme. > > You can get the code from: > git://git.linaro.org/leg/acpi/acpi.git, devel branch > > Comments are welcomed. > > Thanks > Hanjun > > > Hanjun Guo (3): > ARM64 / PCI: introduce struct pci_controller for ACPI > XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y > ARM64 / PCI / ACPI: support for ACPI based PCI hostbridge init > > Tomasz Nowicki (8): > x86, pci: Clean up comment about buggy MMIO config space access for > AMD Fam10h CPUs. > x86, pci: Abstract PCI config accessors and use AMD Fam10h workaround > exclusively. > x86, pci: Reorder logic of pci_mmconfig_insert() function > x86, pci, acpi: Move arch-agnostic MMCONFIG (aka ECAM) and ACPI code > out of arch/x86/ directory > pci, acpi, mcfg: Provide generic implementation of MCFG code > initialization. > x86, pci: mmconfig_{32,64}.c code refactoring - remove code > duplication. > x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM > driver. > pci, acpi, mcfg: Share ACPI PCI config space accessors. > > arch/arm64/Kconfig | 7 + > arch/arm64/include/asm/pci.h | 10 ++ > arch/arm64/kernel/pci.c | 245 ++++++++++++++++++++++++++-- > arch/x86/Kconfig | 4 + > arch/x86/include/asm/pci_x86.h | 34 +--- > arch/x86/pci/Makefile | 4 +- > arch/x86/pci/acpi.c | 1 + > arch/x86/pci/mmconfig-shared.c | 301 +++++++++++----------------------- > arch/x86/pci/mmconfig_32.c | 35 +--- > arch/x86/pci/mmconfig_64.c | 153 ------------------ > arch/x86/pci/numachip.c | 25 +-- > drivers/acpi/Makefile | 1 + > drivers/acpi/mcfg.c | 103 ++++++++++++ > drivers/pci/Kconfig | 10 ++ > drivers/pci/Makefile | 5 + > drivers/pci/ecam.c | 358 +++++++++++++++++++++++++++++++++++++++++ > drivers/pci/pci.c | 26 +-- > drivers/xen/pci.c | 7 +- > include/linux/acpi.h | 2 + > include/linux/ecam.h | 56 +++++++ > 20 files changed, 923 insertions(+), 464 deletions(-) > delete mode 100644 arch/x86/pci/mmconfig_64.c > create mode 100644 drivers/acpi/mcfg.c > create mode 100644 drivers/pci/ecam.c > create mode 100644 include/linux/ecam.h There was a fair amount of unresolved discussion about this series, so I'm going to wait for an update. Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
