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

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>

diff --git a/board/armltd/vexpress64/pcie.c b/board/armltd/vexpress64/pcie.c
index b3fb09ca67c5209afdc816f3ff147e2e6c08e4e1..0608a5a88b941cdd362e9f231250a981aebab357 100644 (file)
--- a/board/armltd/vexpress64/pcie.c
+++ b/board/armltd/vexpress64/pcie.c
@@ -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;