From 219fac46416d9b8391d4ec15fa642d68e8e4c74a Mon Sep 17 00:00:00 2001
From: Johannes Anderwald <johannes.anderwald@reactos.org>
Date: Wed, 25 Jan 2012 18:56:56 +0000
Subject: [PATCH] [USBOHCI] - Add alignment check

svn path=/branches/usb-bringup-trunk/; revision=55176
---
 drivers/usb/usbohci/hardware.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/usb/usbohci/hardware.cpp b/drivers/usb/usbohci/hardware.cpp
index 0636a38493f..8d8de6434a0 100644
--- a/drivers/usb/usbohci/hardware.cpp
+++ b/drivers/usb/usbohci/hardware.cpp
@@ -883,6 +883,14 @@ CUSBHardwareDevice::StopController(void)
     ULONG Control, Reset, Status;
     ULONG Index, FrameInterval;
 
+    //
+    // alignment check
+    //
+    WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_HCCA_OFFSET, 0xFFFFFFFF);
+    Control = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_HCCA_OFFSET));
+    DPRINT1("HcHCCA Alignment %x\n", Control);
+    ASSERT((Control & 0xFFFFFFF0) == 0xFFFFFFF0);
+
     //
     // check context
     //
-- 
2.17.1