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vexpress64: Juno: Change PCI buss addresses for IO to start from zero.

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Juno uses a 1:1 mapping between CPU and PCI addresses for IO. First,
that will trip devices that cannot use more than 16 bits of addresses
for IO, second it is un-necessary as the system can handle zero-based
PCI addresses just fine.

Change the mapping to start IO bus addresses from zero.

Signed-off-by: Liviu Dudau <Liviu.Dudau@foss.arm.com>
This commit is contained in:
Liviu Dudau 2016-11-22 11:19:18 +00:00 committed by Tom Rini
parent 1bcf7a30d8
commit 88e0d59315
1 changed files with 1 additions and 1 deletions
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2
board/armltd/vexpress64/pcie.c
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@ -123,7 +123,7 @@ void xr3pci_setup_atr(void)
base += XR3PCI_ATR_TABLE_SIZE;
/* setup IO space translation */
xr3pci_set_atr_entry(base, XR3_PCI_IOSPACE_START, XR3_PCI_IOSPACE_START,
xr3pci_set_atr_entry(base, XR3_PCI_IOSPACE_START, 0,
XR3_PCI_IOSPACE_SIZE, XR3PCI_ATR_TRSLID_PCIE_IO);
base += XR3PCI_ATR_TABLE_SIZE;