arm/vpci: make prefetchable mem 64 bit

The vPCI prefetchable memory range is >= 4GB, so the memory space flags
should be set to 64-bit. See IEEE Std 1275-1994 [1] chapter 2.2.1.1 for
a definition of the field.

[1] https://www.devicetree.org/open-firmware/bindings/pci/pci2_1.pdf

Signed-off-by: Stewart Hildebrand <stewart.hildebrand@amd.com>
Acked-by: Michal Orzel <michal.orzel@amd.com>
Reviewed-by: Rahul Singh <rahul.singh@arm.com>

diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h
index e167e14f8df96578a8242a89ef5c15a47607cb47..289af81bd69dda47addf768fb8af0b51958529cf 100644 (file)
--- a/xen/include/public/arch-arm.h
+++ b/xen/include/public/arch-arm.h
@@ -487,7 +487,7 @@ typedef uint64_t xen_callback_t;
 #define GUEST_RAM0_SIZE   xen_mk_ullong(0xc0000000)
 
 /* 4GB @ 4GB Prefetch Memory for VPCI */
-#define GUEST_VPCI_ADDR_TYPE_PREFETCH_MEM   xen_mk_ullong(0x42000000)
+#define GUEST_VPCI_ADDR_TYPE_PREFETCH_MEM   xen_mk_ullong(0x43000000)
 #define GUEST_VPCI_PREFETCH_MEM_ADDR        xen_mk_ullong(0x100000000)
 #define GUEST_VPCI_PREFETCH_MEM_SIZE        xen_mk_ullong(0x100000000)