MCFG ACPI table and PCI ECAM standard have no arch dependencies so it can be
used across all architectures. Currently MMCONFIG related code resides in
arch/x86 directories. This patch set is going to isolate non-architecure
specific code and make it accessible for all architectures.
v1 -> v2 changes:
- use generic readb/readw etc. accessors instead of AMD Fam10h workaround
- separate ACPI and ECAM code
- improve ECAM code naming
Tomasz Nowicki (9):
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.
pci, ecam: Improve naming for ecam.c content and areas where it is
used.
arch/x86/Kconfig | 3 +
arch/x86/include/asm/pci_x86.h | 34 +---
arch/x86/pci/Makefile | 5 +-
arch/x86/pci/acpi.c | 3 +-
arch/x86/pci/mmconfig-shared.c | 340 +++++++++++----------------------------
arch/x86/pci/mmconfig_32.c | 47 ++----
arch/x86/pci/mmconfig_64.c | 153 ------------------
arch/x86/pci/numachip.c | 27 +---
drivers/acpi/Makefile | 1 +
drivers/acpi/mcfg.c | 121 ++++++++++++++
drivers/pci/Kconfig | 7 +
drivers/pci/Makefile | 5 +
drivers/pci/ecam.c | 356 +++++++++++++++++++++++++++++++++++++++++
drivers/xen/pci.c | 6 +-
include/linux/ecam.h | 56 +++++++
15 files changed, 668 insertions(+), 496 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
--
1.9.1
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