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[RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm.
From: |
Yubo Miao |
Subject: |
[RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm. |
Date: |
Thu, 13 Feb 2020 15:49:52 +0800 |
From: miaoyubo <address@hidden>
Since devices could not directly plugged into pxb-pcie, under arm, one
pcie-root port is plugged into pxb-pcie. Due to the bus for each pxb-pcie
is defined as 2 in acpi dsdt tables(one for pxb-pcie, one for pcie-root-port),
only one device could be plugged into one pxb-pcie.
Signed-off-by: miaoyubo <address@hidden>
---
hw/pci-bridge/pci_expander_bridge.c | 9 +++++++++
include/hw/pci/pcie_port.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/hw/pci-bridge/pci_expander_bridge.c
b/hw/pci-bridge/pci_expander_bridge.c
index 47aaaf8fd1..3d896dd452 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -15,6 +15,7 @@
#include "hw/pci/pci.h"
#include "hw/pci/pci_bus.h"
#include "hw/pci/pci_host.h"
+#include "hw/pci/pcie_port.h"
#include "hw/qdev-properties.h"
#include "hw/pci/pci_bridge.h"
#include "qemu/range.h"
@@ -233,7 +234,15 @@ static void pxb_dev_realize_common(PCIDevice *dev, bool
pcie, Error **errp)
ds = qdev_create(NULL, TYPE_PXB_HOST);
if (pcie) {
+#ifdef __aarch64__
+ bus = pci_root_bus_new(ds, "pxb-pcie-internal",
+ NULL, NULL, 0, TYPE_PXB_PCIE_BUS);
+ bds = qdev_create(BUS(bus), "pcie-root-port");
+ bds->id = dev_name;
+ qdev_prop_set_uint8(bds, PCIE_ROOT_PORT_PROP_CHASSIS, pxb->bus_nr);
+#else
bus = pci_root_bus_new(ds, dev_name, NULL, NULL, 0, TYPE_PXB_PCIE_BUS);
+#endif
} else {
bus = pci_root_bus_new(ds, "pxb-internal", NULL, NULL, 0,
TYPE_PXB_BUS);
bds = qdev_create(BUS(bus), "pci-bridge");
diff --git a/include/hw/pci/pcie_port.h b/include/hw/pci/pcie_port.h
index 4b3d254b08..b41d473220 100644
--- a/include/hw/pci/pcie_port.h
+++ b/include/hw/pci/pcie_port.h
@@ -64,6 +64,7 @@ int pcie_chassis_add_slot(struct PCIESlot *slot);
void pcie_chassis_del_slot(PCIESlot *s);
#define TYPE_PCIE_ROOT_PORT "pcie-root-port-base"
+#define PCIE_ROOT_PORT_PROP_CHASSIS "chassis"
#define PCIE_ROOT_PORT_CLASS(klass) \
OBJECT_CLASS_CHECK(PCIERootPortClass, (klass), TYPE_PCIE_ROOT_PORT)
#define PCIE_ROOT_PORT_GET_CLASS(obj) \
--
2.19.1
- [RFC 0/2] pci_expander_brdige:acpi:Support pxb-pcie for ARM, Yubo Miao, 2020/02/13
- [RFC 1/2] arm: acpi: pci-expender-bus: Make arm to support PXB-PCIE, Yubo Miao, 2020/02/13
- [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm.,
Yubo Miao <=
- Re: [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm., Michael S. Tsirkin, 2020/02/13
- Re: [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm., Daniel P . Berrangé, 2020/02/13
- RE: [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm., miaoyubo, 2020/02/14
- Re: [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm., Daniel P . Berrangé, 2020/02/14
- RE: [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm., miaoyubo, 2020/02/15
- Re: [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm., Daniel P . Berrangé, 2020/02/24
- RE: [RFC 2/2] pci-expender-bus:Add pcie-root-port to pxb-pcie under arm., miaoyubo, 2020/02/24
Re: [RFC 0/2] pci_expander_brdige:acpi:Support pxb-pcie for ARM, no-reply, 2020/02/13