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target-i386: add q35 0xcf8 port as coalesced_pio

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Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Message-Id: <1539795177-21038-6-git-send-email-peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peng Hao 2018-10-18 00:52:57 +08:00 committed by Paolo Bonzini
parent 37abf8d234
commit a8de011500
1 changed files with 4 additions and 0 deletions
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4
hw/pci-host/q35.c
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@ -51,6 +51,10 @@ static void q35_host_realize(DeviceState *dev, Error **errp)
sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem);
sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, 4);
/* register q35 0xcf8 port as coalesced pio */
memory_region_set_flush_coalesced(&pci->data_mem);
memory_region_add_coalescing(&pci->conf_mem, 0, 4);
pci->bus = pci_root_bus_new(DEVICE(s), "pcie.0",
s->mch.pci_address_space,
s->mch.address_space_io,