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@xxxxxxxxxx>
Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
CC: Arnd Bergmann <arnd@xxxxxxxx>
CC: Catalin Marinas <catalin.marinas@xxxxxxx>
CC: Liviu Dudau <Liviu.Dudau@xxxxxxx>
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@xxxxxxx>
CC: Will Deacon <will.deacon@xxxxxxx>
---
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
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