On 2015年05月26日 23:12, Tomasz Nowicki wrote:
On 26.05.2015 14:49, Hanjun Guo wrote:
Based on Jiang Liu's common interface to support PCI host bridge init and refactoring of MMCONFIG, this patch using information from ACPI MCFG table and IO/irq resources from _CRS to init ARM64 PCI hostbridge, then PCI will work on ARM64.
This patch is based on Mark Salter and Tomasz Nowicki's work.
Signed-off-by: Hanjun Guo hanjun.guo@linaro.org Tested-by: Suravee Suthikulpanit Suravee.Suthikulpanit@amd.com CC: Arnd Bergmann arnd@arndb.de CC: Catalin Marinas catalin.marinas@arm.com CC: Liviu Dudau Liviu.Dudau@arm.com CC: Lorenzo Pieralisi Lorenzo.Pieralisi@arm.com CC: Will Deacon will.deacon@arm.com
arch/arm64/Kconfig | 7 ++ arch/arm64/kernel/pci.c | 245 +++++++++++++++++++++++++++++++++++++++++++++--- drivers/pci/pci.c | 26 +++-- 3 files changed, 257 insertions(+), 21 deletions(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9b80428..8e4b789 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -276,6 +276,13 @@ config PCI_DOMAINS_GENERIC config PCI_SYSCALL def_bool PCI
+config PCI_MMCONFIG
- def_bool y
- select PCI_ECAM
- select HAVE_PCI_ECAM
- select GENERIC_PCI_ECAM
HAVE_PCI_ECAM and GENERIC_PCI_ECAM should be selected by platform.
OK.
- depends on ACPI
I think we should depend on PCI too.
Since ACPI depends on PCI, denpends on PCI is duplicate I think.
Thanks Hanjun