[janderwald] 55176: [USBOHCI] - Add alignment check

Author: janderwald
Date: Wed Jan 25 18:56:56 2012
New Revision: 55176

URL: http://svn.reactos.org/svn/reactos?rev=55176&view=rev
Log:
[USBOHCI]
- Add alignment check

Modified:
    branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp

Modified: branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp
URL: http://svn.reactos.org/svn/reactos/branches/usb-bringup-trunk/drivers/usb/us...
==============================================================================
--- branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp [iso-8859-1] (original)
+++ branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp [iso-8859-1] Wed Jan 25 18:56:56 2012
@@ -884,6 +884,14 @@
     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
     //
     Control = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET));