From 09564574b868f591fb1a9cf426f0c1d64f280431 Mon Sep 17 00:00:00 2001
From: Paul Brook <paul@codesourcery.com>
Date: Sun, 13 Jun 2010 23:37:31 +0100
Subject: [PATCH] OHCI address decoding fix

Ignore high address bits when PCI memory window is not mapped on a page
boundary.

Signed-off-by: Paul Brook <paul@codesourcery.com>
---
 hw/usb-ohci.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/usb-ohci.c b/hw/usb-ohci.c
index 9f80e159ad..c60fd8deef 100644
--- a/hw/usb-ohci.c
+++ b/hw/usb-ohci.c
@@ -1415,6 +1415,8 @@ static uint32_t ohci_mem_read(void *ptr, target_phys_addr_t addr)
     OHCIState *ohci = ptr;
     uint32_t retval;
 
+    addr &= 0xff;
+
     /* Only aligned reads are allowed on OHCI */
     if (addr & 3) {
         fprintf(stderr, "usb-ohci: Mis-aligned read\n");
@@ -1538,6 +1540,8 @@ static void ohci_mem_write(void *ptr, target_phys_addr_t addr, uint32_t val)
 {
     OHCIState *ohci = ptr;
 
+    addr &= 0xff;
+
 #ifdef TARGET_WORDS_BIGENDIAN
     val = bswap32(val);
 #endif
-- 
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