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[PATCH v4 0/4] Add support for R-Car Gen4 PCI host controller
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>
- Date: Wed, 23 Apr 2025 11:08:06 +0000
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- Cc: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Wed, 23 Apr 2025 11:08:19 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHbtD/9healTf8EwEODhly5/C64XQ==
- Thread-topic: [PATCH v4 0/4] Add support for R-Car Gen4 PCI host controller
This series adds support for R-Car Gen4 PCI host controller.
To fully support the controller, the following changes were made:
- Generic mechanism to support PCI child buses is added.
- Private data for PCI host bridge and means to access it are added.
The series was tested as a part of the pci-passthrough patches[1] and
build-tested standalone with enabled HAS_PCI and HAS_VPCI.
[1] https://github.com/Deedone/xen/tree/pci_passthrough_wip
v3->v4:
* rebase
* see individual patches
v2->v3:
* dropped patches related to ATU programming delay
* improved formatting
v1->v2:
* see individual patches
Oleksandr Andrushchenko (4):
xen/arm: allow PCI host bridge to have private data
xen/arm: make pci_host_common_probe return the bridge
xen/arm: add support for PCI child bus
xen/arm: add support for R-Car Gen4 PCI host controller
xen/arch/arm/include/asm/pci.h | 11 +-
xen/arch/arm/pci/Makefile | 2 +
xen/arch/arm/pci/pci-access.c | 37 ++-
xen/arch/arm/pci/pci-designware.c | 403 ++++++++++++++++++++++++++++
xen/arch/arm/pci/pci-designware.h | 102 +++++++
xen/arch/arm/pci/pci-host-common.c | 94 +++++--
xen/arch/arm/pci/pci-host-generic.c | 2 +-
xen/arch/arm/pci/pci-host-rcar4.c | 103 +++++++
xen/arch/arm/pci/pci-host-zynqmp.c | 2 +-
xen/arch/arm/vpci.c | 83 ++++--
10 files changed, 793 insertions(+), 46 deletions(-)
create mode 100644 xen/arch/arm/pci/pci-designware.c
create mode 100644 xen/arch/arm/pci/pci-designware.h
create mode 100644 xen/arch/arm/pci/pci-host-rcar4.c
--
2.34.1
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